diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index 6795e9d187d05..f179e20eb8a0b 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -5284,6 +5284,13 @@ with /sys/devices/system/xen_memory/xen_memory0/scrub_pages. Default value controlled with CONFIG_XEN_SCRUB_PAGES_DEFAULT. + xen.balloon_boot_timeout= [XEN] + The time (in seconds) to wait before giving up to boot + in case initial ballooning fails to free enough memory. + Applies only when running as HVM or PVH guest and + started with less memory configured than allowed at + max. Default is 180. + xen.event_eoi_delay= [XEN] How long to delay EOI handling in case of event storms (jiffies). Default is 10. diff --git a/Documentation/devicetree/bindings/regulator/samsung,s5m8767.txt b/Documentation/devicetree/bindings/regulator/samsung,s5m8767.txt index 093edda0c8dfc..6cd83d920155f 100644 --- a/Documentation/devicetree/bindings/regulator/samsung,s5m8767.txt +++ b/Documentation/devicetree/bindings/regulator/samsung,s5m8767.txt @@ -13,6 +13,14 @@ common regulator binding documented in: Required properties of the main device node (the parent!): + - s5m8767,pmic-buck-ds-gpios: GPIO specifiers for three host gpio's used + for selecting GPIO DVS lines. It is one-to-one mapped to dvs gpio lines. + + [1] If either of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional + property is specified, then all the eight voltage values for the + 's5m8767,pmic-buck[2/3/4]-dvs-voltage' should be specified. + +Optional properties of the main device node (the parent!): - s5m8767,pmic-buck2-dvs-voltage: A set of 8 voltage values in micro-volt (uV) units for buck2 when changing voltage using gpio dvs. Refer to [1] below for additional information. @@ -25,26 +33,13 @@ Required properties of the main device node (the parent!): units for buck4 when changing voltage using gpio dvs. Refer to [1] below for additional information. - - s5m8767,pmic-buck-ds-gpios: GPIO specifiers for three host gpio's used - for selecting GPIO DVS lines. It is one-to-one mapped to dvs gpio lines. - - [1] If none of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional - property is specified, the 's5m8767,pmic-buck[2/3/4]-dvs-voltage' - property should specify atleast one voltage level (which would be a - safe operating voltage). - - If either of the 's5m8767,pmic-buck[2/3/4]-uses-gpio-dvs' optional - property is specified, then all the eight voltage values for the - 's5m8767,pmic-buck[2/3/4]-dvs-voltage' should be specified. - -Optional properties of the main device node (the parent!): - s5m8767,pmic-buck2-uses-gpio-dvs: 'buck2' can be controlled by gpio dvs. - s5m8767,pmic-buck3-uses-gpio-dvs: 'buck3' can be controlled by gpio dvs. - s5m8767,pmic-buck4-uses-gpio-dvs: 'buck4' can be controlled by gpio dvs. Additional properties required if either of the optional properties are used: - - s5m8767,pmic-buck234-default-dvs-idx: Default voltage setting selected from + - s5m8767,pmic-buck-default-dvs-idx: Default voltage setting selected from the possible 8 options selectable by the dvs gpios. The value of this property should be between 0 and 7. If not specified or if out of range, the default value of this property is set to 0. diff --git a/Makefile b/Makefile index 6f983a62d1fd6..455ba411998f9 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 19 -SUBLEVEL = 217 +SUBLEVEL = 218 EXTRAVERSION = NAME = "People's Front" diff --git a/arch/arm/Makefile b/arch/arm/Makefile index 658896a7d30d6..ae1c85a81b1fb 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -63,15 +63,15 @@ KBUILD_CFLAGS += $(call cc-option,-fno-ipa-sra) # Note that GCC does not numerically define an architecture version # macro, but instead defines a whole series of macros which makes # testing for a specific architecture or later rather impossible. -arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m -Wa,-march=armv7-m -arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 $(call cc-option,-march=armv7-a,-march=armv5t -Wa$(comma)-march=armv7-a) -arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6,-march=armv5t -Wa$(comma)-march=armv6) +arch-$(CONFIG_CPU_32v7M) =-D__LINUX_ARM_ARCH__=7 -march=armv7-m +arch-$(CONFIG_CPU_32v7) =-D__LINUX_ARM_ARCH__=7 -march=armv7-a +arch-$(CONFIG_CPU_32v6) =-D__LINUX_ARM_ARCH__=6 -march=armv6 # Only override the compiler option if ARMv6. The ARMv6K extensions are # always available in ARMv7 ifeq ($(CONFIG_CPU_32v6),y) -arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 $(call cc-option,-march=armv6k,-march=armv5t -Wa$(comma)-march=armv6k) +arch-$(CONFIG_CPU_32v6K) =-D__LINUX_ARM_ARCH__=6 -march=armv6k endif -arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 $(call cc-option,-march=armv5te,-march=armv4t) +arch-$(CONFIG_CPU_32v5) =-D__LINUX_ARM_ARCH__=5 -march=armv5te arch-$(CONFIG_CPU_32v4T) =-D__LINUX_ARM_ARCH__=4 -march=armv4t arch-$(CONFIG_CPU_32v4) =-D__LINUX_ARM_ARCH__=4 -march=armv4 arch-$(CONFIG_CPU_32v3) =-D__LINUX_ARM_ARCH__=3 -march=armv3 @@ -85,7 +85,7 @@ tune-$(CONFIG_CPU_ARM720T) =-mtune=arm7tdmi tune-$(CONFIG_CPU_ARM740T) =-mtune=arm7tdmi tune-$(CONFIG_CPU_ARM9TDMI) =-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM940T) =-mtune=arm9tdmi -tune-$(CONFIG_CPU_ARM946E) =$(call cc-option,-mtune=arm9e,-mtune=arm9tdmi) +tune-$(CONFIG_CPU_ARM946E) =-mtune=arm9e tune-$(CONFIG_CPU_ARM920T) =-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM922T) =-mtune=arm9tdmi tune-$(CONFIG_CPU_ARM925T) =-mtune=arm9tdmi @@ -93,11 +93,11 @@ tune-$(CONFIG_CPU_ARM926T) =-mtune=arm9tdmi tune-$(CONFIG_CPU_FA526) =-mtune=arm9tdmi tune-$(CONFIG_CPU_SA110) =-mtune=strongarm110 tune-$(CONFIG_CPU_SA1100) =-mtune=strongarm1100 -tune-$(CONFIG_CPU_XSCALE) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale -tune-$(CONFIG_CPU_XSC3) =$(call cc-option,-mtune=xscale,-mtune=strongarm110) -Wa,-mcpu=xscale -tune-$(CONFIG_CPU_FEROCEON) =$(call cc-option,-mtune=marvell-f,-mtune=xscale) -tune-$(CONFIG_CPU_V6) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) -tune-$(CONFIG_CPU_V6K) =$(call cc-option,-mtune=arm1136j-s,-mtune=strongarm) +tune-$(CONFIG_CPU_XSCALE) =-mtune=xscale +tune-$(CONFIG_CPU_XSC3) =-mtune=xscale +tune-$(CONFIG_CPU_FEROCEON) =-mtune=xscale +tune-$(CONFIG_CPU_V6) =-mtune=arm1136j-s +tune-$(CONFIG_CPU_V6K) =-mtune=arm1136j-s # Evaluate tune cc-option calls now tune-y := $(tune-y) diff --git a/arch/arm/boot/dts/at91-tse850-3.dts b/arch/arm/boot/dts/at91-tse850-3.dts index 2fbec69d9cd68..6b2be520066e2 100644 --- a/arch/arm/boot/dts/at91-tse850-3.dts +++ b/arch/arm/boot/dts/at91-tse850-3.dts @@ -269,7 +269,7 @@ &macb1 { status = "okay"; - phy-mode = "rgmii"; + phy-mode = "rmii"; #address-cells = <1>; #size-cells = <0>; diff --git a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi index 7f6aefd134514..e7534fe9c53cf 100644 --- a/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi +++ b/arch/arm/boot/dts/omap-gpmc-smsc9221.dtsi @@ -29,7 +29,7 @@ compatible = "smsc,lan9221","smsc,lan9115"; bank-width = <2>; - gpmc,mux-add-data; + gpmc,mux-add-data = <0>; gpmc,cs-on-ns = <0>; gpmc,cs-rd-off-ns = <42>; gpmc,cs-wr-off-ns = <36>; diff --git a/arch/arm/boot/dts/omap3-gta04.dtsi b/arch/arm/boot/dts/omap3-gta04.dtsi index 0c39a2340030b..a5aed92ab54b1 100644 --- a/arch/arm/boot/dts/omap3-gta04.dtsi +++ b/arch/arm/boot/dts/omap3-gta04.dtsi @@ -364,7 +364,7 @@ compatible = "bosch,bma180"; reg = <0x41>; pinctrl-names = "default"; - pintcrl-0 = <&bma180_pins>; + pinctrl-0 = <&bma180_pins>; interrupt-parent = <&gpio4>; interrupts = <19 IRQ_TYPE_LEVEL_HIGH>; /* GPIO_115 */ }; diff --git a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi index 82e98ee3023ad..3dbeb7a6c569c 100644 --- a/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi +++ b/arch/arm/boot/dts/omap3-overo-tobiduo-common.dtsi @@ -25,7 +25,7 @@ compatible = "smsc,lan9221","smsc,lan9115"; bank-width = <2>; - gpmc,mux-add-data; + gpmc,mux-add-data = <0>; gpmc,cs-on-ns = <0>; gpmc,cs-rd-off-ns = <42>; gpmc,cs-wr-off-ns = <36>; diff --git a/arch/arm/kernel/stacktrace.c b/arch/arm/kernel/stacktrace.c index d23ab9ec130a3..a452b859f485f 100644 --- a/arch/arm/kernel/stacktrace.c +++ b/arch/arm/kernel/stacktrace.c @@ -53,8 +53,7 @@ int notrace unwind_frame(struct stackframe *frame) frame->sp = frame->fp; frame->fp = *(unsigned long *)(fp); - frame->pc = frame->lr; - frame->lr = *(unsigned long *)(fp + 4); + frame->pc = *(unsigned long *)(fp + 4); #else /* check current frame pointer is within bounds */ if (fp < low + 12 || fp > high - 4) diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig index b169e580bf829..9738c1f9737c9 100644 --- a/arch/arm/mm/Kconfig +++ b/arch/arm/mm/Kconfig @@ -751,7 +751,7 @@ config CPU_BIG_ENDIAN config CPU_ENDIAN_BE8 bool depends on CPU_BIG_ENDIAN - default CPU_V6 || CPU_V6K || CPU_V7 + default CPU_V6 || CPU_V6K || CPU_V7 || CPU_V7M help Support for the BE-8 (big-endian) mode on ARMv6 and ARMv7 processors. diff --git a/arch/arm/mm/mmu.c b/arch/arm/mm/mmu.c index d8cbe772f6901..4c417f3cbfd52 100644 --- a/arch/arm/mm/mmu.c +++ b/arch/arm/mm/mmu.c @@ -416,9 +416,9 @@ void __set_fixmap(enum fixed_addresses idx, phys_addr_t phys, pgprot_t prot) FIXADDR_END); BUG_ON(idx >= __end_of_fixed_addresses); - /* we only support device mappings until pgprot_kernel has been set */ + /* We support only device mappings before pgprot_kernel is set. */ if (WARN_ON(pgprot_val(prot) != pgprot_val(FIXMAP_PAGE_IO) && - pgprot_val(pgprot_kernel) == 0)) + pgprot_val(prot) && pgprot_val(pgprot_kernel) == 0)) return; if (pgprot_val(prot)) diff --git a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi index a07f612ab56b7..b3b87c4c738e6 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls1088a.dtsi @@ -584,56 +584,56 @@ }; cluster1_core0_watchdog: wdt@c000000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc000000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster1_core1_watchdog: wdt@c010000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc010000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster1_core2_watchdog: wdt@c020000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc020000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster1_core3_watchdog: wdt@c030000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc030000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster2_core0_watchdog: wdt@c100000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc100000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster2_core1_watchdog: wdt@c110000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc110000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster2_core2_watchdog: wdt@c120000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc120000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster2_core3_watchdog: wdt@c130000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc130000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; diff --git a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi index 8c22ce904e655..73a60fd516e06 100644 --- a/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi +++ b/arch/arm64/boot/dts/freescale/fsl-ls208xa.dtsi @@ -222,56 +222,56 @@ }; cluster1_core0_watchdog: wdt@c000000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc000000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster1_core1_watchdog: wdt@c010000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc010000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster2_core0_watchdog: wdt@c100000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc100000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster2_core1_watchdog: wdt@c110000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc110000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster3_core0_watchdog: wdt@c200000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc200000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster3_core1_watchdog: wdt@c210000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc210000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster4_core0_watchdog: wdt@c300000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc300000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; }; cluster4_core1_watchdog: wdt@c310000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xc310000 0x0 0x1000>; clocks = <&clockgen 4 3>, <&clockgen 4 3>; clock-names = "apb_pclk", "wdog_clk"; diff --git a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi index f432b0a88c65d..6d4dee3cac16b 100644 --- a/arch/arm64/boot/dts/hisilicon/hi3660.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi3660.dtsi @@ -1062,7 +1062,7 @@ }; watchdog0: watchdog@e8a06000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xe8a06000 0x0 0x1000>; interrupts = ; clocks = <&crg_ctrl HI3660_OSC32K>; @@ -1070,7 +1070,7 @@ }; watchdog1: watchdog@e8a07000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xe8a07000 0x0 0x1000>; interrupts = ; clocks = <&crg_ctrl HI3660_OSC32K>; diff --git a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi index 247024df714fc..5e9ae262caf3e 100644 --- a/arch/arm64/boot/dts/hisilicon/hi6220.dtsi +++ b/arch/arm64/boot/dts/hisilicon/hi6220.dtsi @@ -830,7 +830,7 @@ }; watchdog0: watchdog@f8005000 { - compatible = "arm,sp805-wdt", "arm,primecell"; + compatible = "arm,sp805", "arm,primecell"; reg = <0x0 0xf8005000 0x0 0x1000>; interrupts = ; clocks = <&ao_ctrl HI6220_WDT0_PCLK>; diff --git a/arch/arm64/boot/dts/rockchip/rk3328.dtsi b/arch/arm64/boot/dts/rockchip/rk3328.dtsi index 05fa0dcb4c690..f6931f8d36f6d 100644 --- a/arch/arm64/boot/dts/rockchip/rk3328.dtsi +++ b/arch/arm64/boot/dts/rockchip/rk3328.dtsi @@ -536,7 +536,7 @@ gpu: gpu@ff300000 { compatible = "rockchip,rk3328-mali", "arm,mali-450"; - reg = <0x0 0xff300000 0x0 0x40000>; + reg = <0x0 0xff300000 0x0 0x30000>; interrupts = , , , diff --git a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts index 11cc67184fa9f..f1edd7fcef764 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts +++ b/arch/arm64/boot/dts/xilinx/zynqmp-zc1751-xm016-dc2.dts @@ -130,7 +130,7 @@ reg = <0>; partition@0 { - label = "data"; + label = "spi0-data"; reg = <0x0 0x100000>; }; }; @@ -148,7 +148,7 @@ reg = <0>; partition@0 { - label = "data"; + label = "spi1-data"; reg = <0x0 0x84000>; }; }; diff --git a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi index 8a885ae647b7e..6478bca018197 100644 --- a/arch/arm64/boot/dts/xilinx/zynqmp.dtsi +++ b/arch/arm64/boot/dts/xilinx/zynqmp.dtsi @@ -574,7 +574,7 @@ }; uart0: serial@ff000000 { - compatible = "cdns,uart-r1p12", "xlnx,xuartps"; + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; status = "disabled"; interrupt-parent = <&gic>; interrupts = <0 21 4>; @@ -583,7 +583,7 @@ }; uart1: serial@ff010000 { - compatible = "cdns,uart-r1p12", "xlnx,xuartps"; + compatible = "xlnx,zynqmp-uart", "cdns,uart-r1p12"; status = "disabled"; interrupt-parent = <&gic>; interrupts = <0 22 4>; diff --git a/arch/arm64/include/asm/pgtable.h b/arch/arm64/include/asm/pgtable.h index f43519b710610..71a73ca1e2b05 100644 --- a/arch/arm64/include/asm/pgtable.h +++ b/arch/arm64/include/asm/pgtable.h @@ -64,9 +64,15 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)]; * page table entry, taking care of 52-bit addresses. */ #ifdef CONFIG_ARM64_PA_BITS_52 -#define __pte_to_phys(pte) \ - ((pte_val(pte) & PTE_ADDR_LOW) | ((pte_val(pte) & PTE_ADDR_HIGH) << 36)) -#define __phys_to_pte_val(phys) (((phys) | ((phys) >> 36)) & PTE_ADDR_MASK) +static inline phys_addr_t __pte_to_phys(pte_t pte) +{ + return (pte_val(pte) & PTE_ADDR_LOW) | + ((pte_val(pte) & PTE_ADDR_HIGH) << 36); +} +static inline pteval_t __phys_to_pte_val(phys_addr_t phys) +{ + return (phys | (phys >> 36)) & PTE_ADDR_MASK; +} #else #define __pte_to_phys(pte) (pte_val(pte) & PTE_ADDR_MASK) #define __phys_to_pte_val(phys) (phys) diff --git a/arch/hexagon/lib/io.c b/arch/hexagon/lib/io.c index 885c9626d5e08..e5dfed1cf151b 100644 --- a/arch/hexagon/lib/io.c +++ b/arch/hexagon/lib/io.c @@ -40,6 +40,7 @@ void __raw_readsw(const void __iomem *addr, void *data, int len) *dst++ = *src; } +EXPORT_SYMBOL(__raw_readsw); /* * __raw_writesw - read words a short at a time @@ -60,6 +61,7 @@ void __raw_writesw(void __iomem *addr, const void *data, int len) } +EXPORT_SYMBOL(__raw_writesw); /* Pretty sure len is pre-adjusted for the length of the access already */ void __raw_readsl(const void __iomem *addr, void *data, int len) @@ -75,6 +77,7 @@ void __raw_readsl(const void __iomem *addr, void *data, int len) } +EXPORT_SYMBOL(__raw_readsl); void __raw_writesl(void __iomem *addr, const void *data, int len) { @@ -89,3 +92,4 @@ void __raw_writesl(void __iomem *addr, const void *data, int len) } +EXPORT_SYMBOL(__raw_writesl); diff --git a/arch/ia64/Kconfig.debug b/arch/ia64/Kconfig.debug index 1371efc9b0055..637ac79c29b6d 100644 --- a/arch/ia64/Kconfig.debug +++ b/arch/ia64/Kconfig.debug @@ -39,7 +39,7 @@ config DISABLE_VHPT config IA64_DEBUG_CMPXCHG bool "Turn on compare-and-exchange bug checking (slow!)" - depends on DEBUG_KERNEL + depends on DEBUG_KERNEL && PRINTK help Selecting this option turns on bug checking for the IA-64 compare-and-exchange instructions. This is slow! Itaniums diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c index 8207b897b49dd..9cfd3ac027b71 100644 --- a/arch/ia64/kernel/kprobes.c +++ b/arch/ia64/kernel/kprobes.c @@ -411,7 +411,8 @@ static void kretprobe_trampoline(void) int __kprobes trampoline_probe_handler(struct kprobe *p, struct pt_regs *regs) { - regs->cr_iip = __kretprobe_trampoline_handler(regs, kretprobe_trampoline, NULL); + regs->cr_iip = __kretprobe_trampoline_handler(regs, + dereference_function_descriptor(kretprobe_trampoline), NULL); /* * By returning a non-zero value, we are telling * kprobe_handler() that we don't want the post_handler @@ -427,7 +428,7 @@ void __kprobes arch_prepare_kretprobe(struct kretprobe_instance *ri, ri->fp = NULL; /* Replace the return addr with trampoline addr */ - regs->b0 = ((struct fnptr *)kretprobe_trampoline)->ip; + regs->b0 = (unsigned long)dereference_function_descriptor(kretprobe_trampoline); } /* Check the instruction in the slot is break */ @@ -957,14 +958,14 @@ static struct kprobe trampoline_p = { int __init arch_init_kprobes(void) { trampoline_p.addr = - (kprobe_opcode_t *)((struct fnptr *)kretprobe_trampoline)->ip; + dereference_function_descriptor(kretprobe_trampoline); return register_kprobe(&trampoline_p); } int __kprobes arch_trampoline_kprobe(struct kprobe *p) { if (p->addr == - (kprobe_opcode_t *)((struct fnptr *)kretprobe_trampoline)->ip) + dereference_function_descriptor(kretprobe_trampoline)) return 1; return 0; diff --git a/arch/m68k/Kconfig.machine b/arch/m68k/Kconfig.machine index 64a6414677360..0c451081432ab 100644 --- a/arch/m68k/Kconfig.machine +++ b/arch/m68k/Kconfig.machine @@ -185,6 +185,7 @@ config INIT_LCD config MEMORY_RESERVE int "Memory reservation (MiB)" depends on (UCSIMM || UCDIMM) + default 0 help Reserve certain memory regions on 68x328 based boards. diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig index cc8c8d22afaf5..e513528be3ad7 100644 --- a/arch/mips/Kconfig +++ b/arch/mips/Kconfig @@ -285,6 +285,9 @@ config BCM63XX select SYS_SUPPORTS_32BIT_KERNEL select SYS_SUPPORTS_BIG_ENDIAN select SYS_HAS_EARLY_PRINTK + select SYS_HAS_CPU_BMIPS32_3300 + select SYS_HAS_CPU_BMIPS4350 + select SYS_HAS_CPU_BMIPS4380 select SWAP_IO_SPACE select GPIOLIB select HAVE_CLK @@ -1375,6 +1378,7 @@ config CPU_LOONGSON3 select WEAK_REORDERING_BEYOND_LLSC select MIPS_PGD_C0_CONTEXT select MIPS_L1_CACHE_SHIFT_6 + select MIPS_FP_SUPPORT select GPIOLIB select SWIOTLB help diff --git a/arch/mips/bcm63xx/clk.c b/arch/mips/bcm63xx/clk.c index 164115944a7fd..aba6e2d6a736c 100644 --- a/arch/mips/bcm63xx/clk.c +++ b/arch/mips/bcm63xx/clk.c @@ -381,6 +381,12 @@ void clk_disable(struct clk *clk) EXPORT_SYMBOL(clk_disable); +struct clk *clk_get_parent(struct clk *clk) +{ + return NULL; +} +EXPORT_SYMBOL(clk_get_parent); + unsigned long clk_get_rate(struct clk *clk) { if (!clk) diff --git a/arch/mips/generic/yamon-dt.c b/arch/mips/generic/yamon-dt.c index 7ba4ad5cc1d66..7b7ba0f76c60e 100644 --- a/arch/mips/generic/yamon-dt.c +++ b/arch/mips/generic/yamon-dt.c @@ -79,7 +79,7 @@ static unsigned int __init gen_fdt_mem_array( __init int yamon_dt_append_memory(void *fdt, const struct yamon_mem_region *regions) { - unsigned long phys_memsize, memsize; + unsigned long phys_memsize = 0, memsize; __be32 mem_array[2 * MAX_MEM_ARRAY_ENTRIES]; unsigned int mem_entries; int i, err, mem_off; diff --git a/arch/mips/include/asm/mips-cm.h b/arch/mips/include/asm/mips-cm.h index 8bc5df49b0e1d..890e51b159e06 100644 --- a/arch/mips/include/asm/mips-cm.h +++ b/arch/mips/include/asm/mips-cm.h @@ -15,6 +15,7 @@ #ifndef __MIPS_ASM_MIPS_CM_H__ #define __MIPS_ASM_MIPS_CM_H__ +#include #include #include @@ -157,8 +158,8 @@ GCR_ACCESSOR_RO(32, 0x030, rev) #define CM_GCR_REV_MINOR GENMASK(7, 0) #define CM_ENCODE_REV(major, minor) \ - (((major) << __ffs(CM_GCR_REV_MAJOR)) | \ - ((minor) << __ffs(CM_GCR_REV_MINOR))) + (FIELD_PREP(CM_GCR_REV_MAJOR, major) | \ + FIELD_PREP(CM_GCR_REV_MINOR, minor)) #define CM_REV_CM2 CM_ENCODE_REV(6, 0) #define CM_REV_CM2_5 CM_ENCODE_REV(7, 0) @@ -366,10 +367,10 @@ static inline int mips_cm_revision(void) static inline unsigned int mips_cm_max_vp_width(void) { extern int smp_num_siblings; - uint32_t cfg; if (mips_cm_revision() >= CM_REV_CM3) - return read_gcr_sys_config2() & CM_GCR_SYS_CONFIG2_MAXVPW; + return FIELD_GET(CM_GCR_SYS_CONFIG2_MAXVPW, + read_gcr_sys_config2()); if (mips_cm_present()) { /* @@ -377,8 +378,7 @@ static inline unsigned int mips_cm_max_vp_width(void) * number of VP(E)s, and if that ever changes then this will * need revisiting. */ - cfg = read_gcr_cl_config() & CM_GCR_Cx_CONFIG_PVPE; - return (cfg >> __ffs(CM_GCR_Cx_CONFIG_PVPE)) + 1; + return FIELD_GET(CM_GCR_Cx_CONFIG_PVPE, read_gcr_cl_config()) + 1; } if (IS_ENABLED(CONFIG_SMP)) diff --git a/arch/mips/kernel/mips-cm.c b/arch/mips/kernel/mips-cm.c index 50d3d74001cbe..51cfcb44e6703 100644 --- a/arch/mips/kernel/mips-cm.c +++ b/arch/mips/kernel/mips-cm.c @@ -183,8 +183,7 @@ static void mips_cm_probe_l2sync(void) phys_addr_t addr; /* L2-only sync was introduced with CM major revision 6 */ - major_rev = (read_gcr_rev() & CM_GCR_REV_MAJOR) >> - __ffs(CM_GCR_REV_MAJOR); + major_rev = FIELD_GET(CM_GCR_REV_MAJOR, read_gcr_rev()); if (major_rev < 6) return; @@ -267,13 +266,13 @@ void mips_cm_lock_other(unsigned int cluster, unsigned int core, preempt_disable(); if (cm_rev >= CM_REV_CM3) { - val = core << __ffs(CM3_GCR_Cx_OTHER_CORE); - val |= vp << __ffs(CM3_GCR_Cx_OTHER_VP); + val = FIELD_PREP(CM3_GCR_Cx_OTHER_CORE, core) | + FIELD_PREP(CM3_GCR_Cx_OTHER_VP, vp); if (cm_rev >= CM_REV_CM3_5) { val |= CM_GCR_Cx_OTHER_CLUSTER_EN; - val |= cluster << __ffs(CM_GCR_Cx_OTHER_CLUSTER); - val |= block << __ffs(CM_GCR_Cx_OTHER_BLOCK); + val |= FIELD_PREP(CM_GCR_Cx_OTHER_CLUSTER, cluster); + val |= FIELD_PREP(CM_GCR_Cx_OTHER_BLOCK, block); } else { WARN_ON(cluster != 0); WARN_ON(block != CM_GCR_Cx_OTHER_BLOCK_LOCAL); @@ -303,7 +302,7 @@ void mips_cm_lock_other(unsigned int cluster, unsigned int core, spin_lock_irqsave(&per_cpu(cm_core_lock, curr_core), per_cpu(cm_core_lock_flags, curr_core)); - val = core << __ffs(CM_GCR_Cx_OTHER_CORENUM); + val = FIELD_PREP(CM_GCR_Cx_OTHER_CORENUM, core); } write_gcr_cl_other(val); @@ -347,8 +346,8 @@ void mips_cm_error_report(void) cm_other = read_gcr_error_mult(); if (revision < CM_REV_CM3) { /* CM2 */ - cause = cm_error >> __ffs(CM_GCR_ERROR_CAUSE_ERRTYPE); - ocause = cm_other >> __ffs(CM_GCR_ERROR_MULT_ERR2ND); + cause = FIELD_GET(CM_GCR_ERROR_CAUSE_ERRTYPE, cm_error); + ocause = FIELD_GET(CM_GCR_ERROR_MULT_ERR2ND, cm_other); if (!cause) return; @@ -390,8 +389,8 @@ void mips_cm_error_report(void) ulong core_id_bits, vp_id_bits, cmd_bits, cmd_group_bits; ulong cm3_cca_bits, mcp_bits, cm3_tr_bits, sched_bit; - cause = cm_error >> __ffs64(CM3_GCR_ERROR_CAUSE_ERRTYPE); - ocause = cm_other >> __ffs(CM_GCR_ERROR_MULT_ERR2ND); + cause = FIELD_GET(CM3_GCR_ERROR_CAUSE_ERRTYPE, cm_error); + ocause = FIELD_GET(CM_GCR_ERROR_MULT_ERR2ND, cm_other); if (!cause) return; diff --git a/arch/mips/kernel/r2300_fpu.S b/arch/mips/kernel/r2300_fpu.S index 3062ba66c5635..f7ce7b3971a4b 100644 --- a/arch/mips/kernel/r2300_fpu.S +++ b/arch/mips/kernel/r2300_fpu.S @@ -29,8 +29,8 @@ #define EX2(a,b) \ 9: a,##b; \ .section __ex_table,"a"; \ - PTR 9b,bad_stack; \ - PTR 9b+4,bad_stack; \ + PTR 9b,fault; \ + PTR 9b+4,fault; \ .previous .set mips1 diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c index 69c17b549fd3c..721e652bebc6d 100644 --- a/arch/mips/kernel/syscall.c +++ b/arch/mips/kernel/syscall.c @@ -235,12 +235,3 @@ SYSCALL_DEFINE3(cachectl, char *, addr, int, nbytes, int, op) { return -ENOSYS; } - -/* - * If we ever come here the user sp is bad. Zap the process right away. - * Due to the bad stack signaling wouldn't work. - */ -asmlinkage void bad_stack(void) -{ - do_exit(SIGSEGV); -} diff --git a/arch/mips/lantiq/clk.c b/arch/mips/lantiq/clk.c index a263d1b751ffe..a8e309dcd38d7 100644 --- a/arch/mips/lantiq/clk.c +++ b/arch/mips/lantiq/clk.c @@ -160,6 +160,12 @@ void clk_deactivate(struct clk *clk) } EXPORT_SYMBOL(clk_deactivate); +struct clk *clk_get_parent(struct clk *clk) +{ + return NULL; +} +EXPORT_SYMBOL(clk_get_parent); + static inline u32 get_counter_resolution(void) { u32 res; diff --git a/arch/mips/lantiq/xway/dma.c b/arch/mips/lantiq/xway/dma.c index 664f2f7f55c1c..efee1c538a518 100644 --- a/arch/mips/lantiq/xway/dma.c +++ b/arch/mips/lantiq/xway/dma.c @@ -22,6 +22,7 @@ #include #include #include +#include #include #include @@ -40,6 +41,7 @@ #define LTQ_DMA_PCTRL 0x44 #define LTQ_DMA_IRNEN 0xf4 +#define DMA_ID_CHNR GENMASK(26, 20) /* channel number */ #define DMA_DESCPT BIT(3) /* descriptor complete irq */ #define DMA_TX BIT(8) /* TX channel direction */ #define DMA_CHAN_ON BIT(0) /* channel on / off bit */ @@ -50,7 +52,6 @@ #define DMA_POLL BIT(31) /* turn on channel polling */ #define DMA_CLK_DIV4 BIT(6) /* polling clock divider */ #define DMA_2W_BURST BIT(1) /* 2 word burst length */ -#define DMA_MAX_CHANNEL 20 /* the soc has 20 channels */ #define DMA_ETOP_ENDIANNESS (0xf << 8) /* endianness swap etop channels */ #define DMA_WEIGHT (BIT(17) | BIT(16)) /* default channel wheight */ @@ -217,7 +218,7 @@ ltq_dma_init(struct platform_device *pdev) { struct clk *clk; struct resource *res; - unsigned id; + unsigned int id, nchannels; int i; res = platform_get_resource(pdev, IORESOURCE_MEM, 0); @@ -233,21 +234,24 @@ ltq_dma_init(struct platform_device *pdev) clk_enable(clk); ltq_dma_w32_mask(0, DMA_RESET, LTQ_DMA_CTRL); + usleep_range(1, 10); + /* disable all interrupts */ ltq_dma_w32(0, LTQ_DMA_IRNEN); /* reset/configure each channel */ - for (i = 0; i < DMA_MAX_CHANNEL; i++) { + id = ltq_dma_r32(LTQ_DMA_ID); + nchannels = ((id & DMA_ID_CHNR) >> 20); + for (i = 0; i < nchannels; i++) { ltq_dma_w32(i, LTQ_DMA_CS); ltq_dma_w32(DMA_CHAN_RST, LTQ_DMA_CCTRL); ltq_dma_w32(DMA_POLL | DMA_CLK_DIV4, LTQ_DMA_CPOLL); ltq_dma_w32_mask(DMA_CHAN_ON, 0, LTQ_DMA_CCTRL); } - id = ltq_dma_r32(LTQ_DMA_ID); dev_info(&pdev->dev, "Init done - hw rev: %X, ports: %d, channels: %d\n", - id & 0x1f, (id >> 16) & 0xf, id >> 20); + id & 0x1f, (id >> 16) & 0xf, nchannels); return 0; } diff --git a/arch/mips/sni/time.c b/arch/mips/sni/time.c index dbace1f3e1a97..745ceb945fc50 100644 --- a/arch/mips/sni/time.c +++ b/arch/mips/sni/time.c @@ -18,14 +18,14 @@ static int a20r_set_periodic(struct clock_event_device *evt) { *(volatile u8 *)(A20R_PT_CLOCK_BASE + 12) = 0x34; wmb(); - *(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV; + *(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV & 0xff; wmb(); *(volatile u8 *)(A20R_PT_CLOCK_BASE + 0) = SNI_COUNTER0_DIV >> 8; wmb(); *(volatile u8 *)(A20R_PT_CLOCK_BASE + 12) = 0xb4; wmb(); - *(volatile u8 *)(A20R_PT_CLOCK_BASE + 8) = SNI_COUNTER2_DIV; + *(volatile u8 *)(A20R_PT_CLOCK_BASE + 8) = SNI_COUNTER2_DIV & 0xff; wmb(); *(volatile u8 *)(A20R_PT_CLOCK_BASE + 8) = SNI_COUNTER2_DIV >> 8; wmb(); diff --git a/arch/parisc/kernel/entry.S b/arch/parisc/kernel/entry.S index d2f92273fe376..e8b503cd54f57 100644 --- a/arch/parisc/kernel/entry.S +++ b/arch/parisc/kernel/entry.S @@ -1851,8 +1851,8 @@ syscall_restore: LDREG TI_TASK-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r1 /* Are we being ptraced? */ - ldw TASK_FLAGS(%r1),%r19 - ldi _TIF_SYSCALL_TRACE_MASK,%r2 + LDREG TI_FLAGS-THREAD_SZ_ALGN-FRAME_SIZE(%r30),%r19 + ldi _TIF_SINGLESTEP|_TIF_BLOCKSTEP,%r2 and,COND(=) %r19,%r2,%r0 b,n syscall_restore_rfi diff --git a/arch/parisc/kernel/smp.c b/arch/parisc/kernel/smp.c index 5e26dbede5fc2..ae4fc8769c38b 100644 --- a/arch/parisc/kernel/smp.c +++ b/arch/parisc/kernel/smp.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include @@ -74,7 +75,10 @@ enum ipi_message_type { IPI_CALL_FUNC, IPI_CPU_START, IPI_CPU_STOP, - IPI_CPU_TEST + IPI_CPU_TEST, +#ifdef CONFIG_KGDB + IPI_ENTER_KGDB, +#endif }; @@ -170,7 +174,12 @@ ipi_interrupt(int irq, void *dev_id) case IPI_CPU_TEST: smp_debug(100, KERN_DEBUG "CPU%d is alive!\n", this_cpu); break; - +#ifdef CONFIG_KGDB + case IPI_ENTER_KGDB: + smp_debug(100, KERN_DEBUG "CPU%d ENTER_KGDB\n", this_cpu); + kgdb_nmicallback(raw_smp_processor_id(), get_irq_regs()); + break; +#endif default: printk(KERN_CRIT "Unknown IPI num on CPU%d: %lu\n", this_cpu, which); @@ -226,6 +235,12 @@ send_IPI_allbutself(enum ipi_message_type op) } } +#ifdef CONFIG_KGDB +void kgdb_roundup_cpus(void) +{ + send_IPI_allbutself(IPI_ENTER_KGDB); +} +#endif inline void smp_send_stop(void) { send_IPI_allbutself(IPI_CPU_STOP); } diff --git a/arch/parisc/kernel/unwind.c b/arch/parisc/kernel/unwind.c index 2d14f17838d23..fa52c939e8a3b 100644 --- a/arch/parisc/kernel/unwind.c +++ b/arch/parisc/kernel/unwind.c @@ -21,6 +21,8 @@ #include #include +#include +#include /* #define DEBUG 1 */ #ifdef DEBUG @@ -203,6 +205,11 @@ int __init unwind_init(void) return 0; } +static bool pc_is_kernel_fn(unsigned long pc, void *fn) +{ + return (unsigned long)dereference_kernel_function_descriptor(fn) == pc; +} + static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int frame_size) { /* @@ -221,7 +228,7 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int extern void * const _call_on_stack; #endif /* CONFIG_IRQSTACKS */ - if (pc == (unsigned long) &handle_interruption) { + if (pc_is_kernel_fn(pc, handle_interruption)) { struct pt_regs *regs = (struct pt_regs *)(info->sp - frame_size - PT_SZ_ALGN); dbg("Unwinding through handle_interruption()\n"); info->prev_sp = regs->gr[30]; @@ -229,13 +236,13 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int return 1; } - if (pc == (unsigned long) &ret_from_kernel_thread || - pc == (unsigned long) &syscall_exit) { + if (pc_is_kernel_fn(pc, ret_from_kernel_thread) || + pc_is_kernel_fn(pc, syscall_exit)) { info->prev_sp = info->prev_ip = 0; return 1; } - if (pc == (unsigned long) &intr_return) { + if (pc_is_kernel_fn(pc, intr_return)) { struct pt_regs *regs; dbg("Found intr_return()\n"); @@ -246,20 +253,20 @@ static int unwind_special(struct unwind_frame_info *info, unsigned long pc, int return 1; } - if (pc == (unsigned long) &_switch_to_ret) { + if (pc_is_kernel_fn(pc, _switch_to) || + pc_is_kernel_fn(pc, _switch_to_ret)) { info->prev_sp = info->sp - CALLEE_SAVE_FRAME_SIZE; info->prev_ip = *(unsigned long *)(info->prev_sp - RP_OFFSET); return 1; } #ifdef CONFIG_IRQSTACKS - if (pc == (unsigned long) &_call_on_stack) { + if (pc_is_kernel_fn(pc, _call_on_stack)) { info->prev_sp = *(unsigned long *)(info->sp - FRAME_SIZE - REG_SZ); info->prev_ip = *(unsigned long *)(info->sp - FRAME_SIZE - RP_OFFSET); return 1; } #endif - return 0; } diff --git a/arch/parisc/mm/init.c b/arch/parisc/mm/init.c index 10a52664e29f0..038fcb6c76dc1 100644 --- a/arch/parisc/mm/init.c +++ b/arch/parisc/mm/init.c @@ -895,9 +895,9 @@ void flush_tlb_all(void) { int do_recycle; - __inc_irq_stat(irq_tlb_count); do_recycle = 0; spin_lock(&sid_lock); + __inc_irq_stat(irq_tlb_count); if (dirty_space_ids > RECYCLE_THRESHOLD) { BUG_ON(recycle_inuse); /* FIXME: Use a semaphore/wait queue here */ get_dirty_sids(&recycle_ndirty,recycle_dirty_array); @@ -916,8 +916,8 @@ void flush_tlb_all(void) #else void flush_tlb_all(void) { - __inc_irq_stat(irq_tlb_count); spin_lock(&sid_lock); + __inc_irq_stat(irq_tlb_count); flush_tlb_all_local(NULL); recycle_sids(); spin_unlock(&sid_lock); diff --git a/arch/powerpc/boot/dts/charon.dts b/arch/powerpc/boot/dts/charon.dts index 0e00e508eaa6a..1c8fe20752e6a 100644 --- a/arch/powerpc/boot/dts/charon.dts +++ b/arch/powerpc/boot/dts/charon.dts @@ -39,7 +39,7 @@ }; }; - memory { + memory@0 { device_type = "memory"; reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/digsy_mtc.dts b/arch/powerpc/boot/dts/digsy_mtc.dts index c3922fc03e0b1..1a002cc487d57 100644 --- a/arch/powerpc/boot/dts/digsy_mtc.dts +++ b/arch/powerpc/boot/dts/digsy_mtc.dts @@ -20,7 +20,7 @@ model = "intercontrol,digsy-mtc"; compatible = "intercontrol,digsy-mtc"; - memory { + memory@0 { reg = <0x00000000 0x02000000>; // 32MB }; diff --git a/arch/powerpc/boot/dts/lite5200.dts b/arch/powerpc/boot/dts/lite5200.dts index 179a1785d6454..18d137a3393f0 100644 --- a/arch/powerpc/boot/dts/lite5200.dts +++ b/arch/powerpc/boot/dts/lite5200.dts @@ -36,7 +36,7 @@ }; }; - memory { + memory@0 { device_type = "memory"; reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/lite5200b.dts b/arch/powerpc/boot/dts/lite5200b.dts index 5abb46c5cc951..29419cf81e044 100644 --- a/arch/powerpc/boot/dts/lite5200b.dts +++ b/arch/powerpc/boot/dts/lite5200b.dts @@ -35,7 +35,7 @@ led4 { gpios = <&gpio_simple 2 1>; }; }; - memory { + memory@0 { reg = <0x00000000 0x10000000>; // 256MB }; diff --git a/arch/powerpc/boot/dts/media5200.dts b/arch/powerpc/boot/dts/media5200.dts index 843f156a49c46..3ae4432165f75 100644 --- a/arch/powerpc/boot/dts/media5200.dts +++ b/arch/powerpc/boot/dts/media5200.dts @@ -36,7 +36,7 @@ }; }; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB RAM }; diff --git a/arch/powerpc/boot/dts/mpc5200b.dtsi b/arch/powerpc/boot/dts/mpc5200b.dtsi index 969b2200b2f97..ecfba675b5611 100644 --- a/arch/powerpc/boot/dts/mpc5200b.dtsi +++ b/arch/powerpc/boot/dts/mpc5200b.dtsi @@ -37,7 +37,7 @@ }; }; - memory: memory { + memory: memory@0 { device_type = "memory"; reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/o2d.dts b/arch/powerpc/boot/dts/o2d.dts index 9f6dd4d889b32..5a676e8141caf 100644 --- a/arch/powerpc/boot/dts/o2d.dts +++ b/arch/powerpc/boot/dts/o2d.dts @@ -16,7 +16,7 @@ model = "ifm,o2d"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/o2d.dtsi b/arch/powerpc/boot/dts/o2d.dtsi index cf073e693f24d..1b4df5f64b580 100644 --- a/arch/powerpc/boot/dts/o2d.dtsi +++ b/arch/powerpc/boot/dts/o2d.dtsi @@ -23,7 +23,7 @@ model = "ifm,o2d"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/o2dnt2.dts b/arch/powerpc/boot/dts/o2dnt2.dts index a0f5b97a4f06e..5184c461a205f 100644 --- a/arch/powerpc/boot/dts/o2dnt2.dts +++ b/arch/powerpc/boot/dts/o2dnt2.dts @@ -16,7 +16,7 @@ model = "ifm,o2dnt2"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/o3dnt.dts b/arch/powerpc/boot/dts/o3dnt.dts index acce49326491b..045b901719245 100644 --- a/arch/powerpc/boot/dts/o3dnt.dts +++ b/arch/powerpc/boot/dts/o3dnt.dts @@ -16,7 +16,7 @@ model = "ifm,o3dnt"; compatible = "ifm,o2d"; - memory { + memory@0 { reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/boot/dts/pcm032.dts b/arch/powerpc/boot/dts/pcm032.dts index 576249bf2fb91..637e14286dde5 100644 --- a/arch/powerpc/boot/dts/pcm032.dts +++ b/arch/powerpc/boot/dts/pcm032.dts @@ -26,7 +26,7 @@ model = "phytec,pcm032"; compatible = "phytec,pcm032"; - memory { + memory@0 { reg = <0x00000000 0x08000000>; // 128MB }; diff --git a/arch/powerpc/boot/dts/tqm5200.dts b/arch/powerpc/boot/dts/tqm5200.dts index 1db07f6cf133c..68b9e8240fb5b 100644 --- a/arch/powerpc/boot/dts/tqm5200.dts +++ b/arch/powerpc/boot/dts/tqm5200.dts @@ -36,7 +36,7 @@ }; }; - memory { + memory@0 { device_type = "memory"; reg = <0x00000000 0x04000000>; // 64MB }; diff --git a/arch/powerpc/include/asm/code-patching.h b/arch/powerpc/include/asm/code-patching.h index 4cd6e19ee90f4..537d94fabbd05 100644 --- a/arch/powerpc/include/asm/code-patching.h +++ b/arch/powerpc/include/asm/code-patching.h @@ -26,6 +26,7 @@ #define BRANCH_ABSOLUTE 0x2 bool is_offset_in_branch_range(long offset); +bool is_offset_in_cond_branch_range(long offset); unsigned int create_branch(const unsigned int *addr, unsigned long target, int flags); unsigned int create_cond_branch(const unsigned int *addr, diff --git a/arch/powerpc/include/asm/security_features.h b/arch/powerpc/include/asm/security_features.h index 3b45a64e491e5..a673416da3889 100644 --- a/arch/powerpc/include/asm/security_features.h +++ b/arch/powerpc/include/asm/security_features.h @@ -39,6 +39,11 @@ static inline bool security_ftr_enabled(unsigned long feature) return !!(powerpc_security_features & feature); } +#ifdef CONFIG_PPC_BOOK3S_64 +enum stf_barrier_type stf_barrier_type_get(void); +#else +static inline enum stf_barrier_type stf_barrier_type_get(void) { return STF_BARRIER_NONE; } +#endif // Features indicating support for Spectre/Meltdown mitigations diff --git a/arch/powerpc/kernel/security.c b/arch/powerpc/kernel/security.c index 6a3dde9587ccb..48985a1fd34db 100644 --- a/arch/powerpc/kernel/security.c +++ b/arch/powerpc/kernel/security.c @@ -248,6 +248,11 @@ static int __init handle_no_stf_barrier(char *p) early_param("no_stf_barrier", handle_no_stf_barrier); +enum stf_barrier_type stf_barrier_type_get(void) +{ + return stf_enabled_flush_types; +} + /* This is the generic flag used by other architectures */ static int __init handle_ssbd(char *p) { diff --git a/arch/powerpc/lib/code-patching.c b/arch/powerpc/lib/code-patching.c index 5ffee298745fe..bb245dbf6c57b 100644 --- a/arch/powerpc/lib/code-patching.c +++ b/arch/powerpc/lib/code-patching.c @@ -243,6 +243,11 @@ bool is_offset_in_branch_range(long offset) return (offset >= -0x2000000 && offset <= 0x1fffffc && !(offset & 0x3)); } +bool is_offset_in_cond_branch_range(long offset) +{ + return offset >= -0x8000 && offset <= 0x7fff && !(offset & 0x3); +} + /* * Helper to check if a given instruction is a conditional branch * Derived from the conditional checks in analyse_instr() @@ -296,7 +301,7 @@ unsigned int create_cond_branch(const unsigned int *addr, offset = offset - (unsigned long)addr; /* Check we can represent the target in the instruction format */ - if (offset < -0x8000 || offset > 0x7FFF || offset & 0x3) + if (!is_offset_in_cond_branch_range(offset)) return 0; /* Mask out the flags and target, so they don't step on each other. */ diff --git a/arch/powerpc/net/bpf_jit.h b/arch/powerpc/net/bpf_jit.h index e5c1d30ee968b..5a0af7d8d2242 100644 --- a/arch/powerpc/net/bpf_jit.h +++ b/arch/powerpc/net/bpf_jit.h @@ -15,6 +15,7 @@ #ifndef __ASSEMBLY__ #include +#include #ifdef PPC64_ELF_ABI_v1 #define FUNCTION_DESCR_SIZE 24 @@ -176,13 +177,26 @@ #define PPC_NEG(d, a) EMIT(PPC_INST_NEG | ___PPC_RT(d) | ___PPC_RA(a)) /* Long jump; (unconditional 'branch') */ -#define PPC_JMP(dest) EMIT(PPC_INST_BRANCH | \ - (((dest) - (ctx->idx * 4)) & 0x03fffffc)) +#define PPC_JMP(dest) \ + do { \ + long offset = (long)(dest) - (ctx->idx * 4); \ + if (!is_offset_in_branch_range(offset)) { \ + pr_err_ratelimited("Branch offset 0x%lx (@%u) out of range\n", offset, ctx->idx); \ + return -ERANGE; \ + } \ + EMIT(PPC_INST_BRANCH | (offset & 0x03fffffc)); \ + } while (0) /* "cond" here covers BO:BI fields. */ -#define PPC_BCC_SHORT(cond, dest) EMIT(PPC_INST_BRANCH_COND | \ - (((cond) & 0x3ff) << 16) | \ - (((dest) - (ctx->idx * 4)) & \ - 0xfffc)) +#define PPC_BCC_SHORT(cond, dest) \ + do { \ + long offset = (long)(dest) - (ctx->idx * 4); \ + if (!is_offset_in_cond_branch_range(offset)) { \ + pr_err_ratelimited("Conditional branch offset 0x%lx (@%u) out of range\n", offset, ctx->idx); \ + return -ERANGE; \ + } \ + EMIT(PPC_INST_BRANCH_COND | (((cond) & 0x3ff) << 16) | (offset & 0xfffc)); \ + } while (0) + /* Sign-extended 32-bit immediate load */ #define PPC_LI32(d, i) do { \ if ((int)(uintptr_t)(i) >= -32768 && \ @@ -221,11 +235,6 @@ #define PPC_FUNC_ADDR(d,i) do { PPC_LI32(d, i); } while(0) #endif -static inline bool is_nearbranch(int offset) -{ - return (offset < 32768) && (offset >= -32768); -} - /* * The fly in the ointment of code size changing from pass to pass is * avoided by padding the short branch case with a NOP. If code size differs @@ -234,7 +243,7 @@ static inline bool is_nearbranch(int offset) * state. */ #define PPC_BCC(cond, dest) do { \ - if (is_nearbranch((dest) - (ctx->idx * 4))) { \ + if (is_offset_in_cond_branch_range((long)(dest) - (ctx->idx * 4))) { \ PPC_BCC_SHORT(cond, dest); \ PPC_NOP(); \ } else { \ diff --git a/arch/powerpc/net/bpf_jit64.h b/arch/powerpc/net/bpf_jit64.h index 47f441f351a62..61ed9a4b283cf 100644 --- a/arch/powerpc/net/bpf_jit64.h +++ b/arch/powerpc/net/bpf_jit64.h @@ -20,18 +20,18 @@ * with our redzone usage. * * [ prev sp ] <------------- - * [ nv gpr save area ] 6*8 | + * [ nv gpr save area ] 5*8 | * [ tail_call_cnt ] 8 | - * [ local_tmp_var ] 8 | + * [ local_tmp_var ] 16 | * fp (r31) --> [ ebpf stack space ] upto 512 | * [ frame header ] 32/112 | * sp (r1) ---> [ stack pointer ] -------------- */ /* for gpr non volatile registers BPG_REG_6 to 10 */ -#define BPF_PPC_STACK_SAVE (6*8) +#define BPF_PPC_STACK_SAVE (5*8) /* for bpf JIT code internal usage */ -#define BPF_PPC_STACK_LOCALS 16 +#define BPF_PPC_STACK_LOCALS 24 /* stack frame excluding BPF stack, ensure this is quadword aligned */ #define BPF_PPC_STACKFRAME (STACK_FRAME_MIN_SIZE + \ BPF_PPC_STACK_LOCALS + BPF_PPC_STACK_SAVE) diff --git a/arch/powerpc/net/bpf_jit_comp64.c b/arch/powerpc/net/bpf_jit_comp64.c index 87213a1bb14ca..7b1fdcd4d96b8 100644 --- a/arch/powerpc/net/bpf_jit_comp64.c +++ b/arch/powerpc/net/bpf_jit_comp64.c @@ -19,6 +19,7 @@ #include #include #include +#include #include "bpf_jit64.h" @@ -60,9 +61,9 @@ static inline bool bpf_has_stack_frame(struct codegen_context *ctx) * [ prev sp ] <------------- * [ ... ] | * sp (r1) ---> [ stack pointer ] -------------- - * [ nv gpr save area ] 6*8 + * [ nv gpr save area ] 5*8 * [ tail_call_cnt ] 8 - * [ local_tmp_var ] 8 + * [ local_tmp_var ] 16 * [ unused red zone ] 208 bytes protected */ static int bpf_jit_stack_local(struct codegen_context *ctx) @@ -70,12 +71,12 @@ static int bpf_jit_stack_local(struct codegen_context *ctx) if (bpf_has_stack_frame(ctx)) return STACK_FRAME_MIN_SIZE + ctx->stack_size; else - return -(BPF_PPC_STACK_SAVE + 16); + return -(BPF_PPC_STACK_SAVE + 24); } static int bpf_jit_stack_tailcallcnt(struct codegen_context *ctx) { - return bpf_jit_stack_local(ctx) + 8; + return bpf_jit_stack_local(ctx) + 16; } static int bpf_jit_stack_offsetof(struct codegen_context *ctx, int reg) @@ -202,7 +203,7 @@ static void bpf_jit_emit_func_call(u32 *image, struct codegen_context *ctx, u64 PPC_BLRL(); } -static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 out) +static int bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 out) { /* * By now, the eBPF program has already setup parameters in r3, r4 and r5 @@ -263,17 +264,42 @@ static void bpf_jit_emit_tail_call(u32 *image, struct codegen_context *ctx, u32 bpf_jit_emit_common_epilogue(image, ctx); PPC_BCTR(); + /* out: */ + return 0; } +/* + * We spill into the redzone always, even if the bpf program has its own stackframe. + * Offsets hardcoded based on BPF_PPC_STACK_SAVE -- see bpf_jit_stack_local() + */ +void bpf_stf_barrier(void); + +asm ( +" .global bpf_stf_barrier ;" +" bpf_stf_barrier: ;" +" std 21,-64(1) ;" +" std 22,-56(1) ;" +" sync ;" +" ld 21,-64(1) ;" +" ld 22,-56(1) ;" +" ori 31,31,0 ;" +" .rept 14 ;" +" b 1f ;" +" 1: ;" +" .endr ;" +" blr ;" +); + /* Assemble the body code between the prologue & epilogue */ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, struct codegen_context *ctx, u32 *addrs, bool extra_pass) { + enum stf_barrier_type stf_barrier = stf_barrier_type_get(); const struct bpf_insn *insn = fp->insnsi; int flen = fp->len; - int i; + int i, ret; /* Start of epilogue code - will only be valid 2nd pass onwards */ u32 exit_addr = addrs[flen]; @@ -324,18 +350,25 @@ static int bpf_jit_build_body(struct bpf_prog *fp, u32 *image, PPC_SUB(dst_reg, dst_reg, src_reg); goto bpf_alu32_trunc; case BPF_ALU | BPF_ADD | BPF_K: /* (u32) dst += (u32) imm */ - case BPF_ALU | BPF_SUB | BPF_K: /* (u32) dst -= (u32) imm */ case BPF_ALU64 | BPF_ADD | BPF_K: /* dst += imm */ + if (!imm) { + goto bpf_alu32_trunc; + } else if (imm >= -32768 && imm < 32768) { + PPC_ADDI(dst_reg, dst_reg, IMM_L(imm)); + } else { + PPC_LI32(b2p[TMP_REG_1], imm); + PPC_ADD(dst_reg, dst_reg, b2p[TMP_REG_1]); + } + goto bpf_alu32_trunc; + case BPF_ALU | BPF_SUB | BPF_K: /* (u32) dst -= (u32) imm */ case BPF_ALU64 | BPF_SUB | BPF_K: /* dst -= imm */ - if (BPF_OP(code) == BPF_SUB) - imm = -imm; - if (imm) { - if (imm >= -32768 && imm < 32768) - PPC_ADDI(dst_reg, dst_reg, IMM_L(imm)); - else { - PPC_LI32(b2p[TMP_REG_1], imm); - PPC_ADD(dst_reg, dst_reg, b2p[TMP_REG_1]); - } + if (!imm) { + goto bpf_alu32_trunc; + } else if (imm > -32768 && imm <= 32768) { + PPC_ADDI(dst_reg, dst_reg, IMM_L(-imm)); + } else { + PPC_LI32(b2p[TMP_REG_1], imm); + PPC_SUB(dst_reg, dst_reg, b2p[TMP_REG_1]); } goto bpf_alu32_trunc; case BPF_ALU | BPF_MUL | BPF_X: /* (u32) dst *= (u32) src */ @@ -606,6 +639,30 @@ emit_clear: * BPF_ST NOSPEC (speculation barrier) */ case BPF_ST | BPF_NOSPEC: + if (!security_ftr_enabled(SEC_FTR_FAVOUR_SECURITY) || + (!security_ftr_enabled(SEC_FTR_L1D_FLUSH_PR) && + (!security_ftr_enabled(SEC_FTR_L1D_FLUSH_HV) || !cpu_has_feature(CPU_FTR_HVMODE)))) + break; + + switch (stf_barrier) { + case STF_BARRIER_EIEIO: + EMIT(0x7c0006ac | 0x02000000); + break; + case STF_BARRIER_SYNC_ORI: + EMIT(PPC_INST_SYNC); + PPC_LD(b2p[TMP_REG_1], 13, 0); + PPC_ORI(31, 31, 0); + break; + case STF_BARRIER_FALLBACK: + EMIT(PPC_INST_MFLR | ___PPC_RT(b2p[TMP_REG_1])); + PPC_LI64(12, dereference_kernel_function_descriptor(bpf_stf_barrier)); + PPC_MTCTR(12); + EMIT(PPC_INST_BCTR | 0x1); + PPC_MTLR(b2p[TMP_REG_1]); + break; + case STF_BARRIER_NONE: + break; + } break; /* @@ -863,7 +920,9 @@ cond_branch: */ case BPF_JMP | BPF_TAIL_CALL: ctx->seen |= SEEN_TAILCALL; - bpf_jit_emit_tail_call(image, ctx, addrs[i + 1]); + ret = bpf_jit_emit_tail_call(image, ctx, addrs[i + 1]); + if (ret < 0) + return ret; break; default: diff --git a/arch/powerpc/platforms/85xx/mpc85xx_pm_ops.c b/arch/powerpc/platforms/85xx/mpc85xx_pm_ops.c index f05325f0cc03b..ddd2953965aa1 100644 --- a/arch/powerpc/platforms/85xx/mpc85xx_pm_ops.c +++ b/arch/powerpc/platforms/85xx/mpc85xx_pm_ops.c @@ -98,9 +98,8 @@ int __init mpc85xx_setup_pmc(void) pr_err("Could not map guts node address\n"); return -ENOMEM; } + qoriq_pm_ops = &mpc85xx_pm_ops; } - qoriq_pm_ops = &mpc85xx_pm_ops; - return 0; } diff --git a/arch/powerpc/sysdev/dcr-low.S b/arch/powerpc/sysdev/dcr-low.S index e687bb2003ff0..5589fbe48bbdc 100644 --- a/arch/powerpc/sysdev/dcr-low.S +++ b/arch/powerpc/sysdev/dcr-low.S @@ -15,7 +15,7 @@ #include #define DCR_ACCESS_PROLOG(table) \ - cmpli cr0,r3,1024; \ + cmplwi cr0,r3,1024; \ rlwinm r3,r3,4,18,27; \ lis r5,table@h; \ ori r5,r5,table@l; \ diff --git a/arch/s390/kvm/priv.c b/arch/s390/kvm/priv.c index 8679bd74d337a..9abdfb8b1a1ea 100644 --- a/arch/s390/kvm/priv.c +++ b/arch/s390/kvm/priv.c @@ -397,6 +397,8 @@ static int handle_sske(struct kvm_vcpu *vcpu) up_read(¤t->mm->mmap_sem); if (rc == -EFAULT) return kvm_s390_inject_program_int(vcpu, PGM_ADDRESSING); + if (rc == -EAGAIN) + continue; if (rc < 0) return rc; start += PAGE_SIZE; diff --git a/arch/s390/mm/gmap.c b/arch/s390/mm/gmap.c index 7cde0f2f52e14..65ccb9d797270 100644 --- a/arch/s390/mm/gmap.c +++ b/arch/s390/mm/gmap.c @@ -684,9 +684,10 @@ void __gmap_zap(struct gmap *gmap, unsigned long gaddr) vmaddr |= gaddr & ~PMD_MASK; /* Get pointer to the page table entry */ ptep = get_locked_pte(gmap->mm, vmaddr, &ptl); - if (likely(ptep)) + if (likely(ptep)) { ptep_zap_unused(gmap->mm, vmaddr, ptep, 0); - pte_unmap_unlock(ptep, ptl); + pte_unmap_unlock(ptep, ptl); + } } } EXPORT_SYMBOL_GPL(__gmap_zap); diff --git a/arch/sh/Kconfig.debug b/arch/sh/Kconfig.debug index 010b6c33bbba2..71acd3d9b9e83 100644 --- a/arch/sh/Kconfig.debug +++ b/arch/sh/Kconfig.debug @@ -58,6 +58,7 @@ config DUMP_CODE config DWARF_UNWINDER bool "Enable the DWARF unwinder for stacktraces" + depends on DEBUG_KERNEL select FRAME_POINTER depends on SUPERH32 default n diff --git a/arch/sh/include/asm/sfp-machine.h b/arch/sh/include/asm/sfp-machine.h index d3c548443f2a6..dd195c6f3b9d8 100644 --- a/arch/sh/include/asm/sfp-machine.h +++ b/arch/sh/include/asm/sfp-machine.h @@ -25,6 +25,14 @@ #ifndef _SFP_MACHINE_H #define _SFP_MACHINE_H +#ifdef __BIG_ENDIAN__ +#define __BYTE_ORDER __BIG_ENDIAN +#define __LITTLE_ENDIAN 0 +#else +#define __BYTE_ORDER __LITTLE_ENDIAN +#define __BIG_ENDIAN 0 +#endif + #define _FP_W_TYPE_SIZE 32 #define _FP_W_TYPE unsigned long #define _FP_WS_TYPE signed long diff --git a/arch/sh/kernel/cpu/sh4a/smp-shx3.c b/arch/sh/kernel/cpu/sh4a/smp-shx3.c index 0d3637c494bfe..c1f66c35e0c12 100644 --- a/arch/sh/kernel/cpu/sh4a/smp-shx3.c +++ b/arch/sh/kernel/cpu/sh4a/smp-shx3.c @@ -76,8 +76,9 @@ static void shx3_prepare_cpus(unsigned int max_cpus) BUILD_BUG_ON(SMP_MSG_NR >= 8); for (i = 0; i < SMP_MSG_NR; i++) - request_irq(104 + i, ipi_interrupt_handler, - IRQF_PERCPU, "IPI", (void *)(long)i); + if (request_irq(104 + i, ipi_interrupt_handler, + IRQF_PERCPU, "IPI", (void *)(long)i)) + pr_err("Failed to request irq %d\n", i); for (i = 0; i < max_cpus; i++) set_cpu_present(i, true); diff --git a/arch/x86/events/intel/uncore_snbep.c b/arch/x86/events/intel/uncore_snbep.c index c06074b847fa6..2bf1170f7afdb 100644 --- a/arch/x86/events/intel/uncore_snbep.c +++ b/arch/x86/events/intel/uncore_snbep.c @@ -3416,6 +3416,9 @@ static int skx_cha_hw_config(struct intel_uncore_box *box, struct perf_event *ev struct hw_perf_event_extra *reg1 = &event->hw.extra_reg; struct extra_reg *er; int idx = 0; + /* Any of the CHA events may be filtered by Thread/Core-ID.*/ + if (event->hw.config & SNBEP_CBO_PMON_CTL_TID_EN) + idx = SKX_CHA_MSR_PMON_BOX_FILTER_TID; for (er = skx_uncore_cha_extra_regs; er->msr; er++) { if (er->event != (event->hw.config & er->config_mask)) @@ -3483,6 +3486,7 @@ static struct event_constraint skx_uncore_iio_constraints[] = { UNCORE_EVENT_CONSTRAINT(0xc0, 0xc), UNCORE_EVENT_CONSTRAINT(0xc5, 0xc), UNCORE_EVENT_CONSTRAINT(0xd4, 0xc), + UNCORE_EVENT_CONSTRAINT(0xd5, 0xc), EVENT_CONSTRAINT_END }; diff --git a/arch/x86/hyperv/hv_init.c b/arch/x86/hyperv/hv_init.c index 1663ad84778ba..38c31e164694e 100644 --- a/arch/x86/hyperv/hv_init.c +++ b/arch/x86/hyperv/hv_init.c @@ -192,7 +192,6 @@ void set_hv_tscchange_cb(void (*cb)(void)) struct hv_reenlightenment_control re_ctrl = { .vector = HYPERV_REENLIGHTENMENT_VECTOR, .enabled = 1, - .target_vp = hv_vp_index[smp_processor_id()] }; struct hv_tsc_emulation_control emu_ctrl = {.enabled = 1}; @@ -201,13 +200,20 @@ void set_hv_tscchange_cb(void (*cb)(void)) return; } + if (!hv_vp_index) + return; + hv_reenlightenment_cb = cb; /* Make sure callback is registered before we write to MSRs */ wmb(); + re_ctrl.target_vp = hv_vp_index[get_cpu()]; + wrmsrl(HV_X64_MSR_REENLIGHTENMENT_CONTROL, *((u64 *)&re_ctrl)); wrmsrl(HV_X64_MSR_TSC_EMULATION_CONTROL, *((u64 *)&emu_ctrl)); + + put_cpu(); } EXPORT_SYMBOL_GPL(set_hv_tscchange_cb); diff --git a/arch/x86/include/asm/page_64_types.h b/arch/x86/include/asm/page_64_types.h index 0b6352aabbd3d..b16fb3e185134 100644 --- a/arch/x86/include/asm/page_64_types.h +++ b/arch/x86/include/asm/page_64_types.h @@ -20,7 +20,7 @@ #define THREAD_SIZE (PAGE_SIZE << THREAD_SIZE_ORDER) #define CURRENT_MASK (~(THREAD_SIZE - 1)) -#define EXCEPTION_STACK_ORDER (0 + KASAN_STACK_ORDER) +#define EXCEPTION_STACK_ORDER (1 + KASAN_STACK_ORDER) #define EXCEPTION_STKSZ (PAGE_SIZE << EXCEPTION_STACK_ORDER) #define DEBUG_STACK_ORDER (EXCEPTION_STACK_ORDER + 1) diff --git a/arch/x86/kernel/cpu/amd.c b/arch/x86/kernel/cpu/amd.c index de69090ca1424..98c23126f7512 100644 --- a/arch/x86/kernel/cpu/amd.c +++ b/arch/x86/kernel/cpu/amd.c @@ -993,6 +993,8 @@ static void init_amd(struct cpuinfo_x86 *c) if (cpu_has(c, X86_FEATURE_IRPERF) && !cpu_has_amd_erratum(c, amd_erratum_1054)) msr_set_bit(MSR_K7_HWCR, MSR_K7_HWCR_IRPERF_EN_BIT); + + check_null_seg_clears_base(c); } #ifdef CONFIG_X86_32 diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c index 2058e8c0e61db..7e7400af77978 100644 --- a/arch/x86/kernel/cpu/common.c +++ b/arch/x86/kernel/cpu/common.c @@ -1254,9 +1254,8 @@ void __init early_cpu_init(void) early_identify_cpu(&boot_cpu_data); } -static void detect_null_seg_behavior(struct cpuinfo_x86 *c) +static bool detect_null_seg_behavior(void) { -#ifdef CONFIG_X86_64 /* * Empirically, writing zero to a segment selector on AMD does * not clear the base, whereas writing zero to a segment @@ -1277,10 +1276,43 @@ static void detect_null_seg_behavior(struct cpuinfo_x86 *c) wrmsrl(MSR_FS_BASE, 1); loadsegment(fs, 0); rdmsrl(MSR_FS_BASE, tmp); - if (tmp != 0) - set_cpu_bug(c, X86_BUG_NULL_SEG); wrmsrl(MSR_FS_BASE, old_base); -#endif + return tmp == 0; +} + +void check_null_seg_clears_base(struct cpuinfo_x86 *c) +{ + /* BUG_NULL_SEG is only relevant with 64bit userspace */ + if (!IS_ENABLED(CONFIG_X86_64)) + return; + + /* Zen3 CPUs advertise Null Selector Clears Base in CPUID. */ + if (c->extended_cpuid_level >= 0x80000021 && + cpuid_eax(0x80000021) & BIT(6)) + return; + + /* + * CPUID bit above wasn't set. If this kernel is still running + * as a HV guest, then the HV has decided not to advertize + * that CPUID bit for whatever reason. For example, one + * member of the migration pool might be vulnerable. Which + * means, the bug is present: set the BUG flag and return. + */ + if (cpu_has(c, X86_FEATURE_HYPERVISOR)) { + set_cpu_bug(c, X86_BUG_NULL_SEG); + return; + } + + /* + * Zen2 CPUs also have this behaviour, but no CPUID bit. + * 0x18 is the respective family for Hygon. + */ + if ((c->x86 == 0x17 || c->x86 == 0x18) && + detect_null_seg_behavior()) + return; + + /* All the remaining ones are affected */ + set_cpu_bug(c, X86_BUG_NULL_SEG); } static void generic_identify(struct cpuinfo_x86 *c) @@ -1316,8 +1348,6 @@ static void generic_identify(struct cpuinfo_x86 *c) get_model_name(c); /* Default name */ - detect_null_seg_behavior(c); - /* * ESPFIX is a strange bug. All real CPUs have it. Paravirt * systems that run Linux at CPL > 0 may or may not have the diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h index e89602d2aff54..4eb9bf68b1227 100644 --- a/arch/x86/kernel/cpu/cpu.h +++ b/arch/x86/kernel/cpu/cpu.h @@ -76,6 +76,7 @@ extern int detect_extended_topology_early(struct cpuinfo_x86 *c); extern int detect_extended_topology(struct cpuinfo_x86 *c); extern int detect_ht_early(struct cpuinfo_x86 *c); extern void detect_ht(struct cpuinfo_x86 *c); +extern void check_null_seg_clears_base(struct cpuinfo_x86 *c); unsigned int aperfmperf_get_khz(int cpu); diff --git a/arch/x86/kernel/irq.c b/arch/x86/kernel/irq.c index a975246074b5c..ef3317c6d6d16 100644 --- a/arch/x86/kernel/irq.c +++ b/arch/x86/kernel/irq.c @@ -290,8 +290,10 @@ void kvm_set_posted_intr_wakeup_handler(void (*handler)(void)) { if (handler) kvm_posted_intr_wakeup_handler = handler; - else + else { kvm_posted_intr_wakeup_handler = dummy_handler; + synchronize_rcu(); + } } EXPORT_SYMBOL_GPL(kvm_set_posted_intr_wakeup_handler); diff --git a/arch/x86/mm/mem_encrypt_identity.c b/arch/x86/mm/mem_encrypt_identity.c index 1f25201de0afb..650d5a6cafc70 100644 --- a/arch/x86/mm/mem_encrypt_identity.c +++ b/arch/x86/mm/mem_encrypt_identity.c @@ -29,6 +29,15 @@ #undef CONFIG_PARAVIRT #undef CONFIG_PARAVIRT_SPINLOCKS +/* + * This code runs before CPU feature bits are set. By default, the + * pgtable_l5_enabled() function uses bit X86_FEATURE_LA57 to determine if + * 5-level paging is active, so that won't work here. USE_EARLY_PGTABLE_L5 + * is provided to handle this situation and, instead, use a variable that + * has been set by the early boot code. + */ +#define USE_EARLY_PGTABLE_L5 + #include #include #include diff --git a/crypto/pcrypt.c b/crypto/pcrypt.c index 85082574c5154..62e11835f220e 100644 --- a/crypto/pcrypt.c +++ b/crypto/pcrypt.c @@ -138,12 +138,14 @@ static void pcrypt_aead_enc(struct padata_priv *padata) { struct pcrypt_request *preq = pcrypt_padata_request(padata); struct aead_request *req = pcrypt_request_ctx(preq); + int ret; - padata->info = crypto_aead_encrypt(req); + ret = crypto_aead_encrypt(req); - if (padata->info == -EINPROGRESS) + if (ret == -EINPROGRESS) return; + padata->info = ret; padata_do_serial(padata); } @@ -180,12 +182,14 @@ static void pcrypt_aead_dec(struct padata_priv *padata) { struct pcrypt_request *preq = pcrypt_padata_request(padata); struct aead_request *req = pcrypt_request_ctx(preq); + int ret; - padata->info = crypto_aead_decrypt(req); + ret = crypto_aead_decrypt(req); - if (padata->info == -EINPROGRESS) + if (ret == -EINPROGRESS) return; + padata->info = ret; padata_do_serial(padata); } diff --git a/drivers/acpi/acpica/acglobal.h b/drivers/acpi/acpica/acglobal.h index 1e6204518496c..38712fa4dd9d2 100644 --- a/drivers/acpi/acpica/acglobal.h +++ b/drivers/acpi/acpica/acglobal.h @@ -224,6 +224,8 @@ extern struct acpi_bit_register_info acpi_gbl_bit_register_info[ACPI_NUM_BITREG]; ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a); ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b); +ACPI_GLOBAL(u8, acpi_gbl_sleep_type_a_s0); +ACPI_GLOBAL(u8, acpi_gbl_sleep_type_b_s0); /***************************************************************************** * diff --git a/drivers/acpi/acpica/hwesleep.c b/drivers/acpi/acpica/hwesleep.c index e0ad3f11142e4..9516966124ae3 100644 --- a/drivers/acpi/acpica/hwesleep.c +++ b/drivers/acpi/acpica/hwesleep.c @@ -147,17 +147,13 @@ acpi_status acpi_hw_extended_sleep(u8 sleep_state) acpi_status acpi_hw_extended_wake_prep(u8 sleep_state) { - acpi_status status; u8 sleep_type_value; ACPI_FUNCTION_TRACE(hw_extended_wake_prep); - status = acpi_get_sleep_type_data(ACPI_STATE_S0, - &acpi_gbl_sleep_type_a, - &acpi_gbl_sleep_type_b); - if (ACPI_SUCCESS(status)) { + if (acpi_gbl_sleep_type_a_s0 != ACPI_SLEEP_TYPE_INVALID) { sleep_type_value = - ((acpi_gbl_sleep_type_a << ACPI_X_SLEEP_TYPE_POSITION) & + ((acpi_gbl_sleep_type_a_s0 << ACPI_X_SLEEP_TYPE_POSITION) & ACPI_X_SLEEP_TYPE_MASK); (void)acpi_write((u64)(sleep_type_value | ACPI_X_SLEEP_ENABLE), diff --git a/drivers/acpi/acpica/hwsleep.c b/drivers/acpi/acpica/hwsleep.c index d8b8fc2ff5633..f4282370947c8 100644 --- a/drivers/acpi/acpica/hwsleep.c +++ b/drivers/acpi/acpica/hwsleep.c @@ -179,7 +179,7 @@ acpi_status acpi_hw_legacy_sleep(u8 sleep_state) acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) { - acpi_status status; + acpi_status status = AE_OK; struct acpi_bit_register_info *sleep_type_reg_info; struct acpi_bit_register_info *sleep_enable_reg_info; u32 pm1a_control; @@ -192,10 +192,7 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) * This is unclear from the ACPI Spec, but it is required * by some machines. */ - status = acpi_get_sleep_type_data(ACPI_STATE_S0, - &acpi_gbl_sleep_type_a, - &acpi_gbl_sleep_type_b); - if (ACPI_SUCCESS(status)) { + if (acpi_gbl_sleep_type_a_s0 != ACPI_SLEEP_TYPE_INVALID) { sleep_type_reg_info = acpi_hw_get_bit_register_info(ACPI_BITREG_SLEEP_TYPE); sleep_enable_reg_info = @@ -216,9 +213,9 @@ acpi_status acpi_hw_legacy_wake_prep(u8 sleep_state) /* Insert the SLP_TYP bits */ - pm1a_control |= (acpi_gbl_sleep_type_a << + pm1a_control |= (acpi_gbl_sleep_type_a_s0 << sleep_type_reg_info->bit_position); - pm1b_control |= (acpi_gbl_sleep_type_b << + pm1b_control |= (acpi_gbl_sleep_type_b_s0 << sleep_type_reg_info->bit_position); /* Write the control registers and ignore any errors */ diff --git a/drivers/acpi/acpica/hwxfsleep.c b/drivers/acpi/acpica/hwxfsleep.c index 3f22f7dd4556d..dc1e44ccaae20 100644 --- a/drivers/acpi/acpica/hwxfsleep.c +++ b/drivers/acpi/acpica/hwxfsleep.c @@ -288,6 +288,13 @@ acpi_status acpi_enter_sleep_state_prep(u8 sleep_state) return_ACPI_STATUS(status); } + status = acpi_get_sleep_type_data(ACPI_STATE_S0, + &acpi_gbl_sleep_type_a_s0, + &acpi_gbl_sleep_type_b_s0); + if (ACPI_FAILURE(status)) { + acpi_gbl_sleep_type_a_s0 = ACPI_SLEEP_TYPE_INVALID; + } + /* Execute the _PTS method (Prepare To Sleep) */ arg_list.count = 1; diff --git a/drivers/acpi/battery.c b/drivers/acpi/battery.c index 674a0e92b798f..0bbf8b453ebf2 100644 --- a/drivers/acpi/battery.c +++ b/drivers/acpi/battery.c @@ -198,7 +198,7 @@ static int acpi_battery_is_charged(struct acpi_battery *battery) return 1; /* fallback to using design values for broken batteries */ - if (battery->design_capacity == battery->capacity_now) + if (battery->design_capacity <= battery->capacity_now) return 1; /* we don't do any sort of metric based on percentages */ diff --git a/drivers/acpi/pmic/intel_pmic.c b/drivers/acpi/pmic/intel_pmic.c index ca18e0d23df97..db63d3463617a 100644 --- a/drivers/acpi/pmic/intel_pmic.c +++ b/drivers/acpi/pmic/intel_pmic.c @@ -216,31 +216,36 @@ static acpi_status intel_pmic_regs_handler(u32 function, void *handler_context, void *region_context) { struct intel_pmic_opregion *opregion = region_context; - int result = 0; + int result = -EINVAL; + + if (function == ACPI_WRITE) { + switch (address) { + case 0: + return AE_OK; + case 1: + opregion->ctx.addr |= (*value64 & 0xff) << 8; + return AE_OK; + case 2: + opregion->ctx.addr |= *value64 & 0xff; + return AE_OK; + case 3: + opregion->ctx.val = *value64 & 0xff; + return AE_OK; + case 4: + if (*value64) { + result = regmap_write(opregion->regmap, opregion->ctx.addr, + opregion->ctx.val); + } else { + result = regmap_read(opregion->regmap, opregion->ctx.addr, + &opregion->ctx.val); + } + opregion->ctx.addr = 0; + } + } - switch (address) { - case 0: - return AE_OK; - case 1: - opregion->ctx.addr |= (*value64 & 0xff) << 8; + if (function == ACPI_READ && address == 3) { + *value64 = opregion->ctx.val; return AE_OK; - case 2: - opregion->ctx.addr |= *value64 & 0xff; - return AE_OK; - case 3: - opregion->ctx.val = *value64 & 0xff; - return AE_OK; - case 4: - if (*value64) { - result = regmap_write(opregion->regmap, opregion->ctx.addr, - opregion->ctx.val); - } else { - result = regmap_read(opregion->regmap, opregion->ctx.addr, - &opregion->ctx.val); - if (result == 0) - *value64 = opregion->ctx.val; - } - memset(&opregion->ctx, 0x00, sizeof(opregion->ctx)); } if (result < 0) { diff --git a/drivers/android/binder.c b/drivers/android/binder.c index cda4f7eb58ead..83be89c8627b9 100644 --- a/drivers/android/binder.c +++ b/drivers/android/binder.c @@ -483,6 +483,9 @@ enum binder_deferred_state { * @files files_struct for process * (protected by @files_lock) * @files_lock mutex to protect @files + * @cred struct cred associated with the `struct file` + * in binder_open() + * (invariant after initialized) * @deferred_work_node: element for binder_deferred_list * (protected by binder_deferred_lock) * @deferred_work: bitmap of deferred work to perform @@ -529,6 +532,7 @@ struct binder_proc { struct task_struct *tsk; struct files_struct *files; struct mutex files_lock; + const struct cred *cred; struct hlist_node deferred_work_node; int deferred_work; bool is_dead; @@ -2333,7 +2337,7 @@ static int binder_translate_binder(struct flat_binder_object *fp, ret = -EINVAL; goto done; } - if (security_binder_transfer_binder(proc->tsk, target_proc->tsk)) { + if (security_binder_transfer_binder(proc->cred, target_proc->cred)) { ret = -EPERM; goto done; } @@ -2379,7 +2383,7 @@ static int binder_translate_handle(struct flat_binder_object *fp, proc->pid, thread->pid, fp->handle); return -EINVAL; } - if (security_binder_transfer_binder(proc->tsk, target_proc->tsk)) { + if (security_binder_transfer_binder(proc->cred, target_proc->cred)) { ret = -EPERM; goto done; } @@ -2463,7 +2467,7 @@ static int binder_translate_fd(int fd, ret = -EBADF; goto err_fget; } - ret = security_binder_transfer_file(proc->tsk, target_proc->tsk, file); + ret = security_binder_transfer_file(proc->cred, target_proc->cred, file); if (ret < 0) { ret = -EPERM; goto err_security; @@ -2847,8 +2851,8 @@ static void binder_transaction(struct binder_proc *proc, return_error_line = __LINE__; goto err_invalid_target_handle; } - if (security_binder_transaction(proc->tsk, - target_proc->tsk) < 0) { + if (security_binder_transaction(proc->cred, + target_proc->cred) < 0) { return_error = BR_FAILED_REPLY; return_error_param = -EPERM; return_error_line = __LINE__; @@ -2962,7 +2966,7 @@ static void binder_transaction(struct binder_proc *proc, t->from = thread; else t->from = NULL; - t->sender_euid = task_euid(proc->tsk); + t->sender_euid = proc->cred->euid; t->to_proc = target_proc; t->to_thread = target_thread; t->code = tr->code; @@ -4341,6 +4345,7 @@ static void binder_free_proc(struct binder_proc *proc) BUG_ON(!list_empty(&proc->delivered_death)); binder_alloc_deferred_release(&proc->alloc); put_task_struct(proc->tsk); + put_cred(proc->cred); binder_stats_deleted(BINDER_STAT_PROC); kfree(proc); } @@ -4544,7 +4549,7 @@ static int binder_ioctl_set_ctx_mgr(struct file *filp) ret = -EBUSY; goto out; } - ret = security_binder_set_context_mgr(proc->tsk); + ret = security_binder_set_context_mgr(proc->cred); if (ret < 0) goto out; if (uid_valid(context->binder_context_mgr_uid)) { @@ -4799,6 +4804,7 @@ static int binder_open(struct inode *nodp, struct file *filp) get_task_struct(current->group_leader); proc->tsk = current->group_leader; mutex_init(&proc->files_lock); + proc->cred = get_cred(filp->f_cred); INIT_LIST_HEAD(&proc->todo); proc->default_priority = task_nice(current); binder_dev = container_of(filp->private_data, struct binder_device, diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index 897360a56fddd..766ebab2f0116 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -2073,7 +2073,7 @@ unsigned int ata_read_log_page(struct ata_device *dev, u8 log, retry: ata_tf_init(dev, &tf); - if (dev->dma_mode && ata_id_has_read_log_dma_ext(dev->id) && + if (ata_dma_enabled(dev) && ata_id_has_read_log_dma_ext(dev->id) && !(dev->horkage & ATA_HORKAGE_NO_DMA_LOG)) { tf.command = ATA_CMD_READ_LOG_DMA_EXT; tf.protocol = ATA_PROT_DMA; diff --git a/drivers/ata/libata-eh.c b/drivers/ata/libata-eh.c index ccc80ff57eb20..096f29a2f710a 100644 --- a/drivers/ata/libata-eh.c +++ b/drivers/ata/libata-eh.c @@ -114,6 +114,12 @@ static const unsigned long ata_eh_identify_timeouts[] = { ULONG_MAX, }; +static const unsigned long ata_eh_revalidate_timeouts[] = { + 15000, /* Some drives are slow to read log pages when waking-up */ + 15000, /* combined time till here is enough even for media access */ + ULONG_MAX, +}; + static const unsigned long ata_eh_flush_timeouts[] = { 15000, /* be generous with flush */ 15000, /* ditto */ @@ -150,6 +156,8 @@ static const struct ata_eh_cmd_timeout_ent ata_eh_cmd_timeout_table[ATA_EH_CMD_TIMEOUT_TABLE_SIZE] = { { .commands = CMDS(ATA_CMD_ID_ATA, ATA_CMD_ID_ATAPI), .timeouts = ata_eh_identify_timeouts, }, + { .commands = CMDS(ATA_CMD_READ_LOG_EXT, ATA_CMD_READ_LOG_DMA_EXT), + .timeouts = ata_eh_revalidate_timeouts, }, { .commands = CMDS(ATA_CMD_READ_NATIVE_MAX, ATA_CMD_READ_NATIVE_MAX_EXT), .timeouts = ata_eh_other_timeouts, }, { .commands = CMDS(ATA_CMD_SET_MAX, ATA_CMD_SET_MAX_EXT), diff --git a/drivers/auxdisplay/ht16k33.c b/drivers/auxdisplay/ht16k33.c index 194370ae37dd0..03a87dd1f625e 100644 --- a/drivers/auxdisplay/ht16k33.c +++ b/drivers/auxdisplay/ht16k33.c @@ -219,6 +219,15 @@ static const struct backlight_ops ht16k33_bl_ops = { .check_fb = ht16k33_bl_check_fb, }; +/* + * Blank events will be passed to the actual device handling the backlight when + * we return zero here. + */ +static int ht16k33_blank(int blank, struct fb_info *info) +{ + return 0; +} + static int ht16k33_mmap(struct fb_info *info, struct vm_area_struct *vma) { struct ht16k33_priv *priv = info->par; @@ -231,6 +240,7 @@ static struct fb_ops ht16k33_fb_ops = { .owner = THIS_MODULE, .fb_read = fb_sys_read, .fb_write = fb_sys_write, + .fb_blank = ht16k33_blank, .fb_fillrect = sys_fillrect, .fb_copyarea = sys_copyarea, .fb_imageblit = sys_imageblit, @@ -418,6 +428,33 @@ static int ht16k33_probe(struct i2c_client *client, if (err) return err; + /* Backlight */ + memset(&bl_props, 0, sizeof(struct backlight_properties)); + bl_props.type = BACKLIGHT_RAW; + bl_props.max_brightness = MAX_BRIGHTNESS; + + bl = devm_backlight_device_register(&client->dev, DRIVER_NAME"-bl", + &client->dev, priv, + &ht16k33_bl_ops, &bl_props); + if (IS_ERR(bl)) { + dev_err(&client->dev, "failed to register backlight\n"); + return PTR_ERR(bl); + } + + err = of_property_read_u32(node, "default-brightness-level", + &dft_brightness); + if (err) { + dft_brightness = MAX_BRIGHTNESS; + } else if (dft_brightness > MAX_BRIGHTNESS) { + dev_warn(&client->dev, + "invalid default brightness level: %u, using %u\n", + dft_brightness, MAX_BRIGHTNESS); + dft_brightness = MAX_BRIGHTNESS; + } + + bl->props.brightness = dft_brightness; + ht16k33_bl_update_status(bl); + /* Framebuffer (2 bytes per column) */ BUILD_BUG_ON(PAGE_SIZE < HT16K33_FB_SIZE); fbdev->buffer = (unsigned char *) get_zeroed_page(GFP_KERNEL); @@ -450,6 +487,7 @@ static int ht16k33_probe(struct i2c_client *client, fbdev->info->screen_size = HT16K33_FB_SIZE; fbdev->info->fix = ht16k33_fb_fix; fbdev->info->var = ht16k33_fb_var; + fbdev->info->bl_dev = bl; fbdev->info->pseudo_palette = NULL; fbdev->info->flags = FBINFO_FLAG_DEFAULT; fbdev->info->par = priv; @@ -462,34 +500,6 @@ static int ht16k33_probe(struct i2c_client *client, if (err) goto err_fbdev_unregister; - /* Backlight */ - memset(&bl_props, 0, sizeof(struct backlight_properties)); - bl_props.type = BACKLIGHT_RAW; - bl_props.max_brightness = MAX_BRIGHTNESS; - - bl = devm_backlight_device_register(&client->dev, DRIVER_NAME"-bl", - &client->dev, priv, - &ht16k33_bl_ops, &bl_props); - if (IS_ERR(bl)) { - dev_err(&client->dev, "failed to register backlight\n"); - err = PTR_ERR(bl); - goto err_fbdev_unregister; - } - - err = of_property_read_u32(node, "default-brightness-level", - &dft_brightness); - if (err) { - dft_brightness = MAX_BRIGHTNESS; - } else if (dft_brightness > MAX_BRIGHTNESS) { - dev_warn(&client->dev, - "invalid default brightness level: %u, using %u\n", - dft_brightness, MAX_BRIGHTNESS); - dft_brightness = MAX_BRIGHTNESS; - } - - bl->props.brightness = dft_brightness; - ht16k33_bl_update_status(bl); - ht16k33_fb_queue(priv); return 0; diff --git a/drivers/auxdisplay/img-ascii-lcd.c b/drivers/auxdisplay/img-ascii-lcd.c index 834509506ef64..c4bc6723acfa5 100644 --- a/drivers/auxdisplay/img-ascii-lcd.c +++ b/drivers/auxdisplay/img-ascii-lcd.c @@ -284,6 +284,16 @@ static int img_ascii_lcd_display(struct img_ascii_lcd_ctx *ctx, if (msg[count - 1] == '\n') count--; + if (!count) { + /* clear the LCD */ + devm_kfree(&ctx->pdev->dev, ctx->message); + ctx->message = NULL; + ctx->message_len = 0; + memset(ctx->curr, ' ', ctx->cfg->num_chars); + ctx->cfg->update(ctx); + return 0; + } + new_msg = devm_kmalloc(&ctx->pdev->dev, count + 1, GFP_KERNEL); if (!new_msg) return -ENOMEM; diff --git a/drivers/base/firmware_loader/main.c b/drivers/base/firmware_loader/main.c index 24410a0d6df07..cfa5e598a0dc8 100644 --- a/drivers/base/firmware_loader/main.c +++ b/drivers/base/firmware_loader/main.c @@ -97,12 +97,15 @@ static struct firmware_cache fw_cache; extern struct builtin_fw __start_builtin_fw[]; extern struct builtin_fw __end_builtin_fw[]; -static void fw_copy_to_prealloc_buf(struct firmware *fw, +static bool fw_copy_to_prealloc_buf(struct firmware *fw, void *buf, size_t size) { - if (!buf || size < fw->size) - return; + if (!buf) + return true; + if (size < fw->size) + return false; memcpy(buf, fw->data, fw->size); + return true; } static bool fw_get_builtin_firmware(struct firmware *fw, const char *name, @@ -114,9 +117,7 @@ static bool fw_get_builtin_firmware(struct firmware *fw, const char *name, if (strcmp(name, b_fw->name) == 0) { fw->size = b_fw->size; fw->data = b_fw->data; - fw_copy_to_prealloc_buf(fw, buf, size); - - return true; + return fw_copy_to_prealloc_buf(fw, buf, size); } } diff --git a/drivers/block/zram/zram_drv.c b/drivers/block/zram/zram_drv.c index 104206a795015..5e05bfcecd7b7 100644 --- a/drivers/block/zram/zram_drv.c +++ b/drivers/block/zram/zram_drv.c @@ -699,7 +699,7 @@ static ssize_t read_block_state(struct file *file, char __user *buf, zram_test_flag(zram, index, ZRAM_WB) ? 'w' : '.', zram_test_flag(zram, index, ZRAM_HUGE) ? 'h' : '.'); - if (count < copied) { + if (count <= copied) { zram_slot_unlock(zram, index); break; } diff --git a/drivers/char/hw_random/mtk-rng.c b/drivers/char/hw_random/mtk-rng.c index 7f99cd52b40ef..8dc256c761137 100644 --- a/drivers/char/hw_random/mtk-rng.c +++ b/drivers/char/hw_random/mtk-rng.c @@ -182,8 +182,13 @@ static int mtk_rng_runtime_resume(struct device *dev) return mtk_rng_init(&priv->rng); } -static UNIVERSAL_DEV_PM_OPS(mtk_rng_pm_ops, mtk_rng_runtime_suspend, - mtk_rng_runtime_resume, NULL); +static const struct dev_pm_ops mtk_rng_pm_ops = { + SET_RUNTIME_PM_OPS(mtk_rng_runtime_suspend, + mtk_rng_runtime_resume, NULL) + SET_SYSTEM_SLEEP_PM_OPS(pm_runtime_force_suspend, + pm_runtime_force_resume) +}; + #define MTK_RNG_PM_OPS (&mtk_rng_pm_ops) #else /* CONFIG_PM */ #define MTK_RNG_PM_OPS NULL diff --git a/drivers/char/tpm/tpm2-space.c b/drivers/char/tpm/tpm2-space.c index 9f4e22dcde270..205d930d7ea60 100644 --- a/drivers/char/tpm/tpm2-space.c +++ b/drivers/char/tpm/tpm2-space.c @@ -419,6 +419,9 @@ static int tpm2_map_response_body(struct tpm_chip *chip, u32 cc, u8 *rsp, if (be32_to_cpu(data->capability) != TPM2_CAP_HANDLES) return 0; + if (be32_to_cpu(data->count) > (UINT_MAX - TPM_HEADER_SIZE - 9) / 4) + return -EFAULT; + if (len != TPM_HEADER_SIZE + 9 + 4 * be32_to_cpu(data->count)) return -EFAULT; diff --git a/drivers/clocksource/Kconfig b/drivers/clocksource/Kconfig index 4d37f018d846c..06504384c3765 100644 --- a/drivers/clocksource/Kconfig +++ b/drivers/clocksource/Kconfig @@ -23,6 +23,7 @@ config I8253_LOCK config OMAP_DM_TIMER bool + select TIMER_OF config CLKBLD_I8253 def_bool y if CLKSRC_I8253 || CLKEVT_I8253 || I8253_LOCK diff --git a/drivers/cpuidle/sysfs.c b/drivers/cpuidle/sysfs.c index 66979dc336807..d9b917529abaf 100644 --- a/drivers/cpuidle/sysfs.c +++ b/drivers/cpuidle/sysfs.c @@ -468,6 +468,7 @@ static int cpuidle_add_state_sysfs(struct cpuidle_device *device) &kdev->kobj, "state%d", i); if (ret) { kobject_put(&kobj->kobj); + kfree(kobj); goto error_state; } cpuidle_add_s2idle_attr_group(kobj); @@ -599,6 +600,7 @@ static int cpuidle_add_driver_sysfs(struct cpuidle_device *dev) &kdev->kobj, "driver"); if (ret) { kobject_put(&kdrv->kobj); + kfree(kdrv); return ret; } @@ -685,7 +687,6 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev) if (!kdev) return -ENOMEM; kdev->dev = dev; - dev->kobj_dev = kdev; init_completion(&kdev->kobj_unregister); @@ -693,9 +694,11 @@ int cpuidle_add_sysfs(struct cpuidle_device *dev) "cpuidle"); if (error) { kobject_put(&kdev->kobj); + kfree(kdev); return error; } + dev->kobj_dev = kdev; kobject_uevent(&kdev->kobj, KOBJ_ADD); return 0; diff --git a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c b/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c index c64481160b711..180016e157771 100644 --- a/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c +++ b/drivers/crypto/qat/qat_common/adf_pf2vf_msg.c @@ -195,6 +195,13 @@ static int __adf_iov_putmsg(struct adf_accel_dev *accel_dev, u32 msg, u8 vf_nr) val = ADF_CSR_RD(pmisc_bar_addr, pf2vf_offset); } while ((val & int_bit) && (count++ < ADF_IOV_MSG_ACK_MAX_RETRY)); + if (val != msg) { + dev_dbg(&GET_DEV(accel_dev), + "Collision - PFVF CSR overwritten by remote function\n"); + ret = -EIO; + goto out; + } + if (val & int_bit) { dev_dbg(&GET_DEV(accel_dev), "ACK not received from remote\n"); val &= ~int_bit; @@ -243,6 +250,11 @@ void adf_vf2pf_req_hndl(struct adf_accel_vf_info *vf_info) /* Read message from the VF */ msg = ADF_CSR_RD(pmisc_addr, hw_data->get_pf2vf_offset(vf_nr)); + if (!(msg & ADF_VF2PF_INT)) { + dev_info(&GET_DEV(accel_dev), + "Spurious VF2PF interrupt, msg %X. Ignored\n", msg); + goto out; + } /* To ACK, clear the VF2PFINT bit */ msg &= ~ADF_VF2PF_INT; @@ -326,6 +338,7 @@ void adf_vf2pf_req_hndl(struct adf_accel_vf_info *vf_info) if (resp && adf_iov_putmsg(accel_dev, resp, vf_nr)) dev_err(&GET_DEV(accel_dev), "Failed to send response to VF\n"); +out: /* re-enable interrupt on PF from this VF */ adf_enable_vf2pf_interrupts(accel_dev, (1 << vf_nr)); return; diff --git a/drivers/crypto/qat/qat_common/adf_vf_isr.c b/drivers/crypto/qat/qat_common/adf_vf_isr.c index ef90902c8200d..86274e3c6781d 100644 --- a/drivers/crypto/qat/qat_common/adf_vf_isr.c +++ b/drivers/crypto/qat/qat_common/adf_vf_isr.c @@ -123,6 +123,11 @@ static void adf_pf2vf_bh_handler(void *data) /* Read the message from PF */ msg = ADF_CSR_RD(pmisc_bar_addr, hw_data->get_pf2vf_offset(0)); + if (!(msg & ADF_PF2VF_INT)) { + dev_info(&GET_DEV(accel_dev), + "Spurious PF2VF interrupt, msg %X. Ignored\n", msg); + goto out; + } if (!(msg & ADF_PF2VF_MSGORIGIN_SYSTEM)) /* Ignore legacy non-system (non-kernel) PF2VF messages */ @@ -171,6 +176,7 @@ static void adf_pf2vf_bh_handler(void *data) msg &= ~ADF_PF2VF_INT; ADF_CSR_WR(pmisc_bar_addr, hw_data->get_pf2vf_offset(0), msg); +out: /* Re-enable PF2VF interrupts */ adf_enable_pf2vf_interrupts(accel_dev); return; diff --git a/drivers/crypto/s5p-sss.c b/drivers/crypto/s5p-sss.c index b7216935236f0..078f904b68cda 100644 --- a/drivers/crypto/s5p-sss.c +++ b/drivers/crypto/s5p-sss.c @@ -2166,6 +2166,8 @@ static int s5p_aes_probe(struct platform_device *pdev) variant = find_s5p_sss_version(pdev); res = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!res) + return -EINVAL; /* * Note: HASH and PRNG uses the same registers in secss, avoid diff --git a/drivers/dma/at_xdmac.c b/drivers/dma/at_xdmac.c index 7db66f974041e..1624eee76f96a 100644 --- a/drivers/dma/at_xdmac.c +++ b/drivers/dma/at_xdmac.c @@ -156,7 +156,7 @@ #define AT_XDMAC_CC_WRIP (0x1 << 23) /* Write in Progress (read only) */ #define AT_XDMAC_CC_WRIP_DONE (0x0 << 23) #define AT_XDMAC_CC_WRIP_IN_PROGRESS (0x1 << 23) -#define AT_XDMAC_CC_PERID(i) (0x7f & (i) << 24) /* Channel Peripheral Identifier */ +#define AT_XDMAC_CC_PERID(i) ((0x7f & (i)) << 24) /* Channel Peripheral Identifier */ #define AT_XDMAC_CDS_MSP 0x2C /* Channel Data Stride Memory Set Pattern */ #define AT_XDMAC_CSUS 0x30 /* Channel Source Microblock Stride */ #define AT_XDMAC_CDUS 0x34 /* Channel Destination Microblock Stride */ diff --git a/drivers/dma/dmaengine.h b/drivers/dma/dmaengine.h index 501c0b063f852..302f13efd35d9 100644 --- a/drivers/dma/dmaengine.h +++ b/drivers/dma/dmaengine.h @@ -168,7 +168,7 @@ dmaengine_desc_get_callback_invoke(struct dma_async_tx_descriptor *tx, static inline bool dmaengine_desc_callback_valid(struct dmaengine_desc_callback *cb) { - return (cb->callback) ? true : false; + return cb->callback || cb->callback_result; } #endif diff --git a/drivers/edac/sb_edac.c b/drivers/edac/sb_edac.c index 53074ad361e58..f90feb0c496cc 100644 --- a/drivers/edac/sb_edac.c +++ b/drivers/edac/sb_edac.c @@ -1021,7 +1021,7 @@ static u64 haswell_get_tohm(struct sbridge_pvt *pvt) pci_read_config_dword(pvt->info.pci_vtd, HASWELL_TOHM_1, ®); rc = ((reg << 6) | rc) << 26; - return rc | 0x1ffffff; + return rc | 0x3ffffff; } static u64 knl_get_tolm(struct sbridge_pvt *pvt) diff --git a/drivers/firmware/psci_checker.c b/drivers/firmware/psci_checker.c index 9f1a913933d53..49b6a7be3a82b 100644 --- a/drivers/firmware/psci_checker.c +++ b/drivers/firmware/psci_checker.c @@ -162,7 +162,7 @@ static int alloc_init_cpu_groups(cpumask_var_t **pcpu_groups) if (!alloc_cpumask_var(&tmp, GFP_KERNEL)) return -ENOMEM; - cpu_groups = kcalloc(nb_available_cpus, sizeof(cpu_groups), + cpu_groups = kcalloc(nb_available_cpus, sizeof(*cpu_groups), GFP_KERNEL); if (!cpu_groups) { free_cpumask_var(tmp); diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c index ce7f18c5ccb26..fda8d68a87fd6 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.c @@ -57,7 +57,7 @@ static void amdgpu_bo_list_free(struct kref *ref) int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp, struct drm_amdgpu_bo_list_entry *info, - unsigned num_entries, struct amdgpu_bo_list **result) + size_t num_entries, struct amdgpu_bo_list **result) { unsigned last_entry = 0, first_userptr = num_entries; struct amdgpu_bo_list_entry *array; diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h index 61b089768e1ce..64c8195426ac8 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_bo_list.h @@ -61,7 +61,7 @@ int amdgpu_bo_create_list_entry_array(struct drm_amdgpu_bo_list_in *in, int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp, struct drm_amdgpu_bo_list_entry *info, - unsigned num_entries, + size_t num_entries, struct amdgpu_bo_list **list); static inline struct amdgpu_bo_list_entry * diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c index c15286858f0bf..e1be3fd4d7a45 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_connectors.c @@ -828,6 +828,7 @@ static int amdgpu_connector_vga_get_modes(struct drm_connector *connector) amdgpu_connector_get_edid(connector); ret = amdgpu_connector_ddc_get_modes(connector); + amdgpu_get_native_mode(connector); return ret; } diff --git a/drivers/gpu/drm/drm_panel_orientation_quirks.c b/drivers/gpu/drm/drm_panel_orientation_quirks.c index 652de972c3aea..3b70a338e5b47 100644 --- a/drivers/gpu/drm/drm_panel_orientation_quirks.c +++ b/drivers/gpu/drm/drm_panel_orientation_quirks.c @@ -113,6 +113,12 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "T103HAF"), }, .driver_data = (void *)&lcd800x1280_rightside_up, + }, { /* AYA NEO 2021 */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "AYADEVICE"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "AYA NEO 2021"), + }, + .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* GPD MicroPC (generic strings, also match on bios date) */ .matches = { DMI_EXACT_MATCH(DMI_SYS_VENDOR, "Default string"), @@ -164,6 +170,13 @@ static const struct dmi_system_id orientation_data[] = { DMI_EXACT_MATCH(DMI_BOARD_NAME, "TW891"), }, .driver_data = (void *)&itworks_tw891, + }, { /* KD Kurio Smart C15200 2-in-1 */ + .matches = { + DMI_EXACT_MATCH(DMI_SYS_VENDOR, "KD Interactive"), + DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "Kurio Smart"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "KDM960BCP"), + }, + .driver_data = (void *)&lcd800x1280_rightside_up, }, { /* * Lenovo Ideapad Miix 310 laptop, only some production batches * have a portrait screen, the resolution checks makes the quirk diff --git a/drivers/gpu/drm/drm_plane_helper.c b/drivers/gpu/drm/drm_plane_helper.c index 621f17643bb07..1f3362ce47ae2 100644 --- a/drivers/gpu/drm/drm_plane_helper.c +++ b/drivers/gpu/drm/drm_plane_helper.c @@ -150,7 +150,6 @@ int drm_plane_helper_check_update(struct drm_plane *plane, .crtc_w = drm_rect_width(dst), .crtc_h = drm_rect_height(dst), .rotation = rotation, - .visible = *visible, }; struct drm_crtc_state crtc_state = { .crtc = crtc, diff --git a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c index c25b52a6b2198..7db24e9df4b9b 100644 --- a/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c +++ b/drivers/gpu/drm/msm/disp/dpu1/dpu_hw_sspp.c @@ -146,11 +146,13 @@ static inline int _sspp_subblk_offset(struct dpu_hw_pipe *ctx, u32 *idx) { int rc = 0; - const struct dpu_sspp_sub_blks *sblk = ctx->cap->sblk; + const struct dpu_sspp_sub_blks *sblk; - if (!ctx) + if (!ctx || !ctx->cap || !ctx->cap->sblk) return -EINVAL; + sblk = ctx->cap->sblk; + switch (s_id) { case DPU_SSPP_SRC: *idx = sblk->src_blk.base; @@ -413,7 +415,7 @@ static void _dpu_hw_sspp_setup_scaler3(struct dpu_hw_pipe *ctx, (void)pe; if (_sspp_subblk_offset(ctx, DPU_SSPP_SCALER_QSEED3, &idx) || !sspp - || !scaler3_cfg || !ctx || !ctx->cap || !ctx->cap->sblk) + || !scaler3_cfg) return; dpu_hw_setup_scaler3(&ctx->hw, scaler3_cfg, idx, diff --git a/drivers/gpu/drm/msm/msm_gem.c b/drivers/gpu/drm/msm/msm_gem.c index 7c0b30c955c39..c551d84444976 100644 --- a/drivers/gpu/drm/msm/msm_gem.c +++ b/drivers/gpu/drm/msm/msm_gem.c @@ -965,7 +965,7 @@ static struct drm_gem_object *_msm_gem_new(struct drm_device *dev, ret = msm_gem_new_impl(dev, size, flags, NULL, &obj, struct_mutex_locked); if (ret) - goto fail; + return ERR_PTR(ret); if (use_vram) { struct msm_gem_vma *vma; @@ -1035,7 +1035,7 @@ struct drm_gem_object *msm_gem_import(struct drm_device *dev, ret = msm_gem_new_impl(dev, size, MSM_BO_WC, dmabuf->resv, &obj, false); if (ret) - goto fail; + return ERR_PTR(ret); drm_gem_private_object_init(dev, obj, size); diff --git a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c index 6e3c450eaacef..3ff49344abc77 100644 --- a/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c +++ b/drivers/gpu/drm/nouveau/nvkm/engine/disp/hdmigv100.c @@ -62,7 +62,6 @@ gv100_hdmi_ctrl(struct nvkm_ior *ior, int head, bool enable, u8 max_ac_packet, nvkm_wr32(device, 0x6f0108 + hdmi, vendor_infoframe.header); nvkm_wr32(device, 0x6f010c + hdmi, vendor_infoframe.subpack0_low); nvkm_wr32(device, 0x6f0110 + hdmi, vendor_infoframe.subpack0_high); - nvkm_wr32(device, 0x6f0110 + hdmi, 0x00000000); nvkm_wr32(device, 0x6f0114 + hdmi, 0x00000000); nvkm_wr32(device, 0x6f0118 + hdmi, 0x00000000); nvkm_wr32(device, 0x6f011c + hdmi, 0x00000000); diff --git a/drivers/gpu/drm/udl/udl_connector.c b/drivers/gpu/drm/udl/udl_connector.c index 68e88bed77ca7..869bddad5f916 100644 --- a/drivers/gpu/drm/udl/udl_connector.c +++ b/drivers/gpu/drm/udl/udl_connector.c @@ -32,7 +32,7 @@ static bool udl_get_edid_block(struct udl_device *udl, int block_idx, ret = usb_control_msg(udl->udev, usb_rcvctrlpipe(udl->udev, 0), (0x02), (0x80 | (0x02 << 5)), bval, - 0xA1, read_buff, 2, HZ); + 0xA1, read_buff, 2, 1000); if (ret < 1) { DRM_ERROR("Read EDID byte %d failed err %x\n", i, ret); kfree(read_buff); diff --git a/drivers/hv/hyperv_vmbus.h b/drivers/hv/hyperv_vmbus.h index 87d3d7da78f87..7e7c8debbd285 100644 --- a/drivers/hv/hyperv_vmbus.h +++ b/drivers/hv/hyperv_vmbus.h @@ -26,6 +26,7 @@ #define _HYPERV_VMBUS_H #include +#include #include #include #include diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c index d34de21d43adb..c4051a3e63c29 100644 --- a/drivers/hwmon/hwmon.c +++ b/drivers/hwmon/hwmon.c @@ -631,8 +631,10 @@ __hwmon_device_register(struct device *dev, const char *name, void *drvdata, dev_set_drvdata(hdev, drvdata); dev_set_name(hdev, HWMON_ID_FORMAT, id); err = device_register(hdev); - if (err) - goto free_hwmon; + if (err) { + put_device(hdev); + goto ida_remove; + } if (dev && dev->of_node && chip && chip->ops->read && chip->info[0]->type == hwmon_chip && diff --git a/drivers/hwmon/pmbus/lm25066.c b/drivers/hwmon/pmbus/lm25066.c index 53db78753a0d1..e25b801490862 100644 --- a/drivers/hwmon/pmbus/lm25066.c +++ b/drivers/hwmon/pmbus/lm25066.c @@ -60,26 +60,31 @@ struct __coeff { #define PSC_CURRENT_IN_L (PSC_NUM_CLASSES) #define PSC_POWER_L (PSC_NUM_CLASSES + 1) -static struct __coeff lm25066_coeff[6][PSC_NUM_CLASSES + 2] = { +static struct __coeff lm25066_coeff[][PSC_NUM_CLASSES + 2] = { [lm25056] = { [PSC_VOLTAGE_IN] = { .m = 16296, + .b = 1343, .R = -2, }, [PSC_CURRENT_IN] = { .m = 13797, + .b = -1833, .R = -2, }, [PSC_CURRENT_IN_L] = { .m = 6726, + .b = -537, .R = -2, }, [PSC_POWER] = { .m = 5501, + .b = -2908, .R = -3, }, [PSC_POWER_L] = { .m = 26882, + .b = -5646, .R = -4, }, [PSC_TEMPERATURE] = { @@ -91,26 +96,32 @@ static struct __coeff lm25066_coeff[6][PSC_NUM_CLASSES + 2] = { [lm25066] = { [PSC_VOLTAGE_IN] = { .m = 22070, + .b = -1800, .R = -2, }, [PSC_VOLTAGE_OUT] = { .m = 22070, + .b = -1800, .R = -2, }, [PSC_CURRENT_IN] = { .m = 13661, + .b = -5200, .R = -2, }, [PSC_CURRENT_IN_L] = { .m = 6852, + .b = -3100, .R = -2, }, [PSC_POWER] = { .m = 736, + .b = -3300, .R = -2, }, [PSC_POWER_L] = { .m = 369, + .b = -1900, .R = -2, }, [PSC_TEMPERATURE] = { @@ -120,26 +131,32 @@ static struct __coeff lm25066_coeff[6][PSC_NUM_CLASSES + 2] = { [lm5064] = { [PSC_VOLTAGE_IN] = { .m = 4611, + .b = -642, .R = -2, }, [PSC_VOLTAGE_OUT] = { .m = 4621, + .b = 423, .R = -2, }, [PSC_CURRENT_IN] = { .m = 10742, + .b = 1552, .R = -2, }, [PSC_CURRENT_IN_L] = { .m = 5456, + .b = 2118, .R = -2, }, [PSC_POWER] = { .m = 1204, + .b = 8524, .R = -3, }, [PSC_POWER_L] = { .m = 612, + .b = 11202, .R = -3, }, [PSC_TEMPERATURE] = { @@ -149,26 +166,32 @@ static struct __coeff lm25066_coeff[6][PSC_NUM_CLASSES + 2] = { [lm5066] = { [PSC_VOLTAGE_IN] = { .m = 4587, + .b = -1200, .R = -2, }, [PSC_VOLTAGE_OUT] = { .m = 4587, + .b = -2400, .R = -2, }, [PSC_CURRENT_IN] = { .m = 10753, + .b = -1200, .R = -2, }, [PSC_CURRENT_IN_L] = { .m = 5405, + .b = -600, .R = -2, }, [PSC_POWER] = { .m = 1204, + .b = -6000, .R = -3, }, [PSC_POWER_L] = { .m = 605, + .b = -8000, .R = -3, }, [PSC_TEMPERATURE] = { diff --git a/drivers/i2c/busses/i2c-xlr.c b/drivers/i2c/busses/i2c-xlr.c index 34cd4b3085402..dda6cb848405b 100644 --- a/drivers/i2c/busses/i2c-xlr.c +++ b/drivers/i2c/busses/i2c-xlr.c @@ -433,11 +433,15 @@ static int xlr_i2c_probe(struct platform_device *pdev) i2c_set_adapdata(&priv->adap, priv); ret = i2c_add_numbered_adapter(&priv->adap); if (ret < 0) - return ret; + goto err_unprepare_clk; platform_set_drvdata(pdev, priv); dev_info(&priv->adap.dev, "Added I2C Bus.\n"); return 0; + +err_unprepare_clk: + clk_unprepare(clk); + return ret; } static int xlr_i2c_remove(struct platform_device *pdev) diff --git a/drivers/iio/dac/ad5446.c b/drivers/iio/dac/ad5446.c index d3ce5def4f659..f540c0f11c132 100644 --- a/drivers/iio/dac/ad5446.c +++ b/drivers/iio/dac/ad5446.c @@ -528,8 +528,15 @@ static int ad5622_write(struct ad5446_state *st, unsigned val) { struct i2c_client *client = to_i2c_client(st->dev); __be16 data = cpu_to_be16(val); + int ret; + + ret = i2c_master_send(client, (char *)&data, sizeof(data)); + if (ret < 0) + return ret; + if (ret != sizeof(data)) + return -EIO; - return i2c_master_send(client, (char *)&data, sizeof(data)); + return 0; } /** diff --git a/drivers/infiniband/hw/bnxt_re/qplib_fp.c b/drivers/infiniband/hw/bnxt_re/qplib_fp.c index 60f2fb7e7dbfe..d52ae7259e62d 100644 --- a/drivers/infiniband/hw/bnxt_re/qplib_fp.c +++ b/drivers/infiniband/hw/bnxt_re/qplib_fp.c @@ -637,12 +637,13 @@ int bnxt_qplib_query_srq(struct bnxt_qplib_res *res, int rc = 0; RCFW_CMD_PREP(req, QUERY_SRQ, cmd_flags); - req.srq_cid = cpu_to_le32(srq->id); /* Configure the request */ sbuf = bnxt_qplib_rcfw_alloc_sbuf(rcfw, sizeof(*sb)); if (!sbuf) return -ENOMEM; + req.resp_size = sizeof(*sb) / BNXT_QPLIB_CMDQE_UNITS; + req.srq_cid = cpu_to_le32(srq->id); sb = sbuf->sb; rc = bnxt_qplib_rcfw_send_message(rcfw, (void *)&req, (void *)&resp, (void *)sbuf, 0); diff --git a/drivers/infiniband/hw/mlx4/qp.c b/drivers/infiniband/hw/mlx4/qp.c index 73bd35d34a257..7209b8a9b0dd2 100644 --- a/drivers/infiniband/hw/mlx4/qp.c +++ b/drivers/infiniband/hw/mlx4/qp.c @@ -1057,8 +1057,10 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd, if (dev->steering_support == MLX4_STEERING_MODE_DEVICE_MANAGED) qp->flags |= MLX4_IB_QP_NETIF; - else + else { + err = -EINVAL; goto err; + } } err = set_kernel_sq_size(dev, &init_attr->cap, qp_type, qp); diff --git a/drivers/infiniband/hw/qedr/verbs.c b/drivers/infiniband/hw/qedr/verbs.c index f847f0a9f204d..7dd6ca11f7062 100644 --- a/drivers/infiniband/hw/qedr/verbs.c +++ b/drivers/infiniband/hw/qedr/verbs.c @@ -2500,15 +2500,18 @@ int qedr_query_qp(struct ib_qp *ibqp, int rc = 0; memset(¶ms, 0, sizeof(params)); - - rc = dev->ops->rdma_query_qp(dev->rdma_ctx, qp->qed_qp, ¶ms); - if (rc) - goto err; - memset(qp_attr, 0, sizeof(*qp_attr)); memset(qp_init_attr, 0, sizeof(*qp_init_attr)); - qp_attr->qp_state = qedr_get_ibqp_state(params.state); + if (qp->qp_type != IB_QPT_GSI) { + rc = dev->ops->rdma_query_qp(dev->rdma_ctx, qp->qed_qp, ¶ms); + if (rc) + goto err; + qp_attr->qp_state = qedr_get_ibqp_state(params.state); + } else { + qp_attr->qp_state = qedr_get_ibqp_state(QED_ROCE_QP_STATE_RTS); + } + qp_attr->cur_qp_state = qedr_get_ibqp_state(params.state); qp_attr->path_mtu = ib_mtu_int_to_enum(params.mtu); qp_attr->path_mig_state = IB_MIG_MIGRATED; diff --git a/drivers/infiniband/sw/rxe/rxe_param.h b/drivers/infiniband/sw/rxe/rxe_param.h index 4555510d86c42..154c92c0e0cd7 100644 --- a/drivers/infiniband/sw/rxe/rxe_param.h +++ b/drivers/infiniband/sw/rxe/rxe_param.h @@ -143,7 +143,7 @@ enum rxe_port_param { RXE_PORT_MAX_MTU = IB_MTU_4096, RXE_PORT_ACTIVE_MTU = IB_MTU_256, RXE_PORT_GID_TBL_LEN = 1024, - RXE_PORT_PORT_CAP_FLAGS = RDMA_CORE_CAP_PROT_ROCE_UDP_ENCAP, + RXE_PORT_PORT_CAP_FLAGS = IB_PORT_CM_SUP, RXE_PORT_MAX_MSG_SZ = 0x800000, RXE_PORT_BAD_PKEY_CNTR = 0, RXE_PORT_QKEY_VIOL_CNTR = 0, diff --git a/drivers/input/mouse/elantech.c b/drivers/input/mouse/elantech.c index 530142b5a1154..a18d17f7ef386 100644 --- a/drivers/input/mouse/elantech.c +++ b/drivers/input/mouse/elantech.c @@ -433,6 +433,19 @@ static void elantech_report_trackpoint(struct psmouse *psmouse, case 0x16008020U: case 0x26800010U: case 0x36808000U: + + /* + * This firmware misreport coordinates for trackpoint + * occasionally. Discard packets outside of [-127, 127] range + * to prevent cursor jumps. + */ + if (packet[4] == 0x80 || packet[5] == 0x80 || + packet[1] >> 7 == packet[4] >> 7 || + packet[2] >> 7 == packet[5] >> 7) { + elantech_debug("discarding packet [%6ph]\n", packet); + break; + + } x = packet[4] - (int)((packet[1]^0x80) << 1); y = (int)((packet[2]^0x80) << 1) - packet[5]; diff --git a/drivers/input/serio/i8042-x86ia64io.h b/drivers/input/serio/i8042-x86ia64io.h index f20e54f41dde9..c218e107c0c8f 100644 --- a/drivers/input/serio/i8042-x86ia64io.h +++ b/drivers/input/serio/i8042-x86ia64io.h @@ -276,6 +276,13 @@ static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"), }, }, + { + /* Fujitsu Lifebook T725 laptop */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"), + }, + }, { /* Fujitsu Lifebook U745 */ .matches = { @@ -844,6 +851,13 @@ static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"), }, }, + { + /* Fujitsu Lifebook T725 laptop */ + .matches = { + DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), + DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T725"), + }, + }, { /* Fujitsu U574 laptop */ /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */ diff --git a/drivers/irqchip/irq-bcm6345-l1.c b/drivers/irqchip/irq-bcm6345-l1.c index 43f8abe40878a..31ea6332ecb83 100644 --- a/drivers/irqchip/irq-bcm6345-l1.c +++ b/drivers/irqchip/irq-bcm6345-l1.c @@ -143,7 +143,7 @@ static void bcm6345_l1_irq_handle(struct irq_desc *desc) for_each_set_bit(hwirq, &pending, IRQS_PER_WORD) { irq = irq_linear_revmap(intc->domain, base + hwirq); if (irq) - do_IRQ(irq); + generic_handle_irq(irq); else spurious_interrupt(); } diff --git a/drivers/irqchip/irq-s3c24xx.c b/drivers/irqchip/irq-s3c24xx.c index c19766fe8a1ae..c11fbd8f1225d 100644 --- a/drivers/irqchip/irq-s3c24xx.c +++ b/drivers/irqchip/irq-s3c24xx.c @@ -368,11 +368,25 @@ static inline int s3c24xx_handle_intc(struct s3c_irq_intc *intc, asmlinkage void __exception_irq_entry s3c24xx_handle_irq(struct pt_regs *regs) { do { - if (likely(s3c_intc[0])) - if (s3c24xx_handle_intc(s3c_intc[0], regs, 0)) - continue; + /* + * For platform based machines, neither ERR nor NULL can happen here. + * The s3c24xx_handle_irq() will be set as IRQ handler iff this succeeds: + * + * s3c_intc[0] = s3c24xx_init_intc() + * + * If this fails, the next calls to s3c24xx_init_intc() won't be executed. + * + * For DT machine, s3c_init_intc_of() could set the IRQ handler without + * setting s3c_intc[0] only if it was called with num_ctrl=0. There is no + * such code path, so again the s3c_intc[0] will have a valid pointer if + * set_handle_irq() is called. + * + * Therefore in s3c24xx_handle_irq(), the s3c_intc[0] is always something. + */ + if (s3c24xx_handle_intc(s3c_intc[0], regs, 0)) + continue; - if (s3c_intc[2]) + if (!IS_ERR_OR_NULL(s3c_intc[2])) if (s3c24xx_handle_intc(s3c_intc[2], regs, 64)) continue; diff --git a/drivers/media/dvb-frontends/mn88443x.c b/drivers/media/dvb-frontends/mn88443x.c index 9ec1aeef03d5a..53981ff9422e0 100644 --- a/drivers/media/dvb-frontends/mn88443x.c +++ b/drivers/media/dvb-frontends/mn88443x.c @@ -204,11 +204,18 @@ struct mn88443x_priv { struct regmap *regmap_t; }; -static void mn88443x_cmn_power_on(struct mn88443x_priv *chip) +static int mn88443x_cmn_power_on(struct mn88443x_priv *chip) { + struct device *dev = &chip->client_s->dev; struct regmap *r_t = chip->regmap_t; + int ret; - clk_prepare_enable(chip->mclk); + ret = clk_prepare_enable(chip->mclk); + if (ret) { + dev_err(dev, "Failed to prepare and enable mclk: %d\n", + ret); + return ret; + } gpiod_set_value_cansleep(chip->reset_gpio, 1); usleep_range(100, 1000); @@ -222,6 +229,8 @@ static void mn88443x_cmn_power_on(struct mn88443x_priv *chip) } else { regmap_write(r_t, HIZSET3, 0x8f); } + + return 0; } static void mn88443x_cmn_power_off(struct mn88443x_priv *chip) @@ -738,7 +747,10 @@ static int mn88443x_probe(struct i2c_client *client, chip->fe.demodulator_priv = chip; i2c_set_clientdata(client, chip); - mn88443x_cmn_power_on(chip); + ret = mn88443x_cmn_power_on(chip); + if (ret) + goto err_i2c_t; + mn88443x_s_sleep(chip); mn88443x_t_sleep(chip); diff --git a/drivers/media/i2c/ir-kbd-i2c.c b/drivers/media/i2c/ir-kbd-i2c.c index 19ff9cb08e884..933ddfcc50a16 100644 --- a/drivers/media/i2c/ir-kbd-i2c.c +++ b/drivers/media/i2c/ir-kbd-i2c.c @@ -801,6 +801,7 @@ static int ir_probe(struct i2c_client *client, const struct i2c_device_id *id) rc_proto = RC_PROTO_BIT_RC5 | RC_PROTO_BIT_RC6_MCE | RC_PROTO_BIT_RC6_6A_32; ir_codes = RC_MAP_HAUPPAUGE; + ir->polling_interval = 125; probe_tx = true; break; } diff --git a/drivers/media/i2c/mt9p031.c b/drivers/media/i2c/mt9p031.c index 715be3632b01a..eb08acf43e3a2 100644 --- a/drivers/media/i2c/mt9p031.c +++ b/drivers/media/i2c/mt9p031.c @@ -81,7 +81,9 @@ #define MT9P031_PIXEL_CLOCK_INVERT (1 << 15) #define MT9P031_PIXEL_CLOCK_SHIFT(n) ((n) << 8) #define MT9P031_PIXEL_CLOCK_DIVIDE(n) ((n) << 0) -#define MT9P031_FRAME_RESTART 0x0b +#define MT9P031_RESTART 0x0b +#define MT9P031_FRAME_PAUSE_RESTART (1 << 1) +#define MT9P031_FRAME_RESTART (1 << 0) #define MT9P031_SHUTTER_DELAY 0x0c #define MT9P031_RST 0x0d #define MT9P031_RST_ENABLE 1 @@ -448,9 +450,23 @@ static int mt9p031_set_params(struct mt9p031 *mt9p031) static int mt9p031_s_stream(struct v4l2_subdev *subdev, int enable) { struct mt9p031 *mt9p031 = to_mt9p031(subdev); + struct i2c_client *client = v4l2_get_subdevdata(subdev); + int val; int ret; if (!enable) { + /* enable pause restart */ + val = MT9P031_FRAME_PAUSE_RESTART; + ret = mt9p031_write(client, MT9P031_RESTART, val); + if (ret < 0) + return ret; + + /* enable restart + keep pause restart set */ + val |= MT9P031_FRAME_RESTART; + ret = mt9p031_write(client, MT9P031_RESTART, val); + if (ret < 0) + return ret; + /* Stop sensor readout */ ret = mt9p031_set_output_control(mt9p031, MT9P031_OUTPUT_CONTROL_CEN, 0); @@ -470,6 +486,16 @@ static int mt9p031_s_stream(struct v4l2_subdev *subdev, int enable) if (ret < 0) return ret; + /* + * - clear pause restart + * - don't clear restart as clearing restart manually can cause + * undefined behavior + */ + val = MT9P031_FRAME_RESTART; + ret = mt9p031_write(client, MT9P031_RESTART, val); + if (ret < 0) + return ret; + return mt9p031_pll_enable(mt9p031); } diff --git a/drivers/media/pci/cx23885/cx23885-alsa.c b/drivers/media/pci/cx23885/cx23885-alsa.c index db1e8ff35474a..150106eb36052 100644 --- a/drivers/media/pci/cx23885/cx23885-alsa.c +++ b/drivers/media/pci/cx23885/cx23885-alsa.c @@ -559,7 +559,7 @@ struct cx23885_audio_dev *cx23885_audio_register(struct cx23885_dev *dev) SNDRV_DEFAULT_IDX1, SNDRV_DEFAULT_STR1, THIS_MODULE, sizeof(struct cx23885_audio_dev), &card); if (err < 0) - goto error; + goto error_msg; chip = (struct cx23885_audio_dev *) card->private_data; chip->dev = dev; @@ -585,6 +585,7 @@ struct cx23885_audio_dev *cx23885_audio_register(struct cx23885_dev *dev) error: snd_card_free(card); +error_msg: pr_err("%s(): Failed to register analog audio adapter\n", __func__); diff --git a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c index ead59fabd15ff..de3fc62810e6c 100644 --- a/drivers/media/pci/netup_unidvb/netup_unidvb_core.c +++ b/drivers/media/pci/netup_unidvb/netup_unidvb_core.c @@ -267,19 +267,24 @@ static irqreturn_t netup_unidvb_isr(int irq, void *dev_id) if ((reg40 & AVL_IRQ_ASSERTED) != 0) { /* IRQ is being signaled */ reg_isr = readw(ndev->bmmio0 + REG_ISR); - if (reg_isr & NETUP_UNIDVB_IRQ_I2C0) { - iret = netup_i2c_interrupt(&ndev->i2c[0]); - } else if (reg_isr & NETUP_UNIDVB_IRQ_I2C1) { - iret = netup_i2c_interrupt(&ndev->i2c[1]); - } else if (reg_isr & NETUP_UNIDVB_IRQ_SPI) { + if (reg_isr & NETUP_UNIDVB_IRQ_SPI) iret = netup_spi_interrupt(ndev->spi); - } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA1) { - iret = netup_dma_interrupt(&ndev->dma[0]); - } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA2) { - iret = netup_dma_interrupt(&ndev->dma[1]); - } else if (reg_isr & NETUP_UNIDVB_IRQ_CI) { - iret = netup_ci_interrupt(ndev); + else if (!ndev->old_fw) { + if (reg_isr & NETUP_UNIDVB_IRQ_I2C0) { + iret = netup_i2c_interrupt(&ndev->i2c[0]); + } else if (reg_isr & NETUP_UNIDVB_IRQ_I2C1) { + iret = netup_i2c_interrupt(&ndev->i2c[1]); + } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA1) { + iret = netup_dma_interrupt(&ndev->dma[0]); + } else if (reg_isr & NETUP_UNIDVB_IRQ_DMA2) { + iret = netup_dma_interrupt(&ndev->dma[1]); + } else if (reg_isr & NETUP_UNIDVB_IRQ_CI) { + iret = netup_ci_interrupt(ndev); + } else { + goto err; + } } else { +err: dev_err(&pci_dev->dev, "%s(): unknown interrupt 0x%x\n", __func__, reg_isr); diff --git a/drivers/media/platform/mtk-vpu/mtk_vpu.c b/drivers/media/platform/mtk-vpu/mtk_vpu.c index f8d35e3ac1dcc..9b57fb2857285 100644 --- a/drivers/media/platform/mtk-vpu/mtk_vpu.c +++ b/drivers/media/platform/mtk-vpu/mtk_vpu.c @@ -818,7 +818,8 @@ static int mtk_vpu_probe(struct platform_device *pdev) vpu->wdt.wq = create_singlethread_workqueue("vpu_wdt"); if (!vpu->wdt.wq) { dev_err(dev, "initialize wdt workqueue failed\n"); - return -ENOMEM; + ret = -ENOMEM; + goto clk_unprepare; } INIT_WORK(&vpu->wdt.ws, vpu_wdt_reset_func); mutex_init(&vpu->vpu_mutex); @@ -917,6 +918,8 @@ disable_vpu_clk: vpu_clock_disable(vpu); workqueue_destroy: destroy_workqueue(vpu->wdt.wq); +clk_unprepare: + clk_unprepare(vpu->clk); return ret; } diff --git a/drivers/media/platform/rcar-vin/rcar-csi2.c b/drivers/media/platform/rcar-vin/rcar-csi2.c index dc5ae8025832a..23f55514b002a 100644 --- a/drivers/media/platform/rcar-vin/rcar-csi2.c +++ b/drivers/media/platform/rcar-vin/rcar-csi2.c @@ -474,6 +474,8 @@ static int rcsi2_start(struct rcar_csi2 *priv) /* Code is validated in set_fmt. */ format = rcsi2_code_to_fmt(priv->mf.code); + if (!format) + return -EINVAL; /* * Enable all Virtual Channels. diff --git a/drivers/media/platform/s5p-mfc/s5p_mfc.c b/drivers/media/platform/s5p-mfc/s5p_mfc.c index 4b8516c35bc20..0fc101bc58d67 100644 --- a/drivers/media/platform/s5p-mfc/s5p_mfc.c +++ b/drivers/media/platform/s5p-mfc/s5p_mfc.c @@ -1276,11 +1276,15 @@ static int s5p_mfc_probe(struct platform_device *pdev) spin_lock_init(&dev->condlock); dev->plat_dev = pdev; if (!dev->plat_dev) { - dev_err(&pdev->dev, "No platform data specified\n"); + mfc_err("No platform data specified\n"); return -ENODEV; } dev->variant = of_device_get_match_data(&pdev->dev); + if (!dev->variant) { + dev_err(&pdev->dev, "Failed to get device MFC hardware variant information\n"); + return -ENOENT; + } res = platform_get_resource(pdev, IORESOURCE_MEM, 0); dev->regs_base = devm_ioremap_resource(&pdev->dev, res); diff --git a/drivers/media/radio/si470x/radio-si470x-i2c.c b/drivers/media/radio/si470x/radio-si470x-i2c.c index aa12fd2663895..cc68bdac0c367 100644 --- a/drivers/media/radio/si470x/radio-si470x-i2c.c +++ b/drivers/media/radio/si470x/radio-si470x-i2c.c @@ -20,7 +20,7 @@ /* driver definitions */ #define DRIVER_AUTHOR "Joonyoung Shim "; -#define DRIVER_CARD "Silicon Labs Si470x FM Radio Receiver" +#define DRIVER_CARD "Silicon Labs Si470x FM Radio" #define DRIVER_DESC "I2C radio driver for Si470x FM Radio Receivers" #define DRIVER_VERSION "1.0.2" diff --git a/drivers/media/radio/si470x/radio-si470x-usb.c b/drivers/media/radio/si470x/radio-si470x-usb.c index 19e381dd58089..ba43a727c0b95 100644 --- a/drivers/media/radio/si470x/radio-si470x-usb.c +++ b/drivers/media/radio/si470x/radio-si470x-usb.c @@ -25,7 +25,7 @@ /* driver definitions */ #define DRIVER_AUTHOR "Tobias Lorenz " -#define DRIVER_CARD "Silicon Labs Si470x FM Radio Receiver" +#define DRIVER_CARD "Silicon Labs Si470x FM Radio" #define DRIVER_DESC "USB radio driver for Si470x FM Radio Receivers" #define DRIVER_VERSION "1.0.10" diff --git a/drivers/media/rc/ite-cir.c b/drivers/media/rc/ite-cir.c index 18f3718315a83..679dd78382d78 100644 --- a/drivers/media/rc/ite-cir.c +++ b/drivers/media/rc/ite-cir.c @@ -292,7 +292,7 @@ static irqreturn_t ite_cir_isr(int irq, void *data) } /* check for the receive interrupt */ - if (iflags & ITE_IRQ_RX_FIFO) { + if (iflags & (ITE_IRQ_RX_FIFO | ITE_IRQ_RX_FIFO_OVERRUN)) { /* read the FIFO bytes */ rx_bytes = dev->params.get_rx_bytes(dev, rx_buf, diff --git a/drivers/media/rc/mceusb.c b/drivers/media/rc/mceusb.c index 845583e2af4d5..cf4bcf7c62f2e 100644 --- a/drivers/media/rc/mceusb.c +++ b/drivers/media/rc/mceusb.c @@ -1323,6 +1323,7 @@ static void mceusb_dev_recv(struct urb *urb) case -ECONNRESET: case -ENOENT: case -EILSEQ: + case -EPROTO: case -ESHUTDOWN: usb_unlink_urb(urb); return; diff --git a/drivers/media/usb/dvb-usb/az6027.c b/drivers/media/usb/dvb-usb/az6027.c index 6321b8e302612..990719727dc37 100644 --- a/drivers/media/usb/dvb-usb/az6027.c +++ b/drivers/media/usb/dvb-usb/az6027.c @@ -394,6 +394,7 @@ static struct rc_map_table rc_map_az6027_table[] = { /* remote control stuff (does not work with my box) */ static int az6027_rc_query(struct dvb_usb_device *d, u32 *event, int *state) { + *state = REMOTE_NO_KEY_PRESSED; return 0; } diff --git a/drivers/media/usb/dvb-usb/dibusb-common.c b/drivers/media/usb/dvb-usb/dibusb-common.c index fb1b4f2d5f9de..85b7838b3ede3 100644 --- a/drivers/media/usb/dvb-usb/dibusb-common.c +++ b/drivers/media/usb/dvb-usb/dibusb-common.c @@ -226,7 +226,7 @@ int dibusb_read_eeprom_byte(struct dvb_usb_device *d, u8 offs, u8 *val) u8 *buf; int rc; - buf = kmalloc(2, GFP_KERNEL); + buf = kzalloc(2, GFP_KERNEL); if (!buf) return -ENOMEM; diff --git a/drivers/media/usb/em28xx/em28xx-cards.c b/drivers/media/usb/em28xx/em28xx-cards.c index 3f59a98dbf9a1..ec608f60d2c75 100644 --- a/drivers/media/usb/em28xx/em28xx-cards.c +++ b/drivers/media/usb/em28xx/em28xx-cards.c @@ -4030,8 +4030,11 @@ static void em28xx_usb_disconnect(struct usb_interface *intf) em28xx_close_extension(dev); - if (dev->dev_next) + if (dev->dev_next) { + em28xx_close_extension(dev->dev_next); em28xx_release_resources(dev->dev_next); + } + em28xx_release_resources(dev); if (dev->dev_next) { diff --git a/drivers/media/usb/em28xx/em28xx-core.c b/drivers/media/usb/em28xx/em28xx-core.c index d0f95a5cb4d23..437651307056f 100644 --- a/drivers/media/usb/em28xx/em28xx-core.c +++ b/drivers/media/usb/em28xx/em28xx-core.c @@ -1151,8 +1151,9 @@ int em28xx_suspend_extension(struct em28xx *dev) dev_info(&dev->intf->dev, "Suspending extensions\n"); mutex_lock(&em28xx_devlist_mutex); list_for_each_entry(ops, &em28xx_extension_devlist, next) { - if (ops->suspend) - ops->suspend(dev); + if (!ops->suspend) + continue; + ops->suspend(dev); if (dev->dev_next) ops->suspend(dev->dev_next); } diff --git a/drivers/media/usb/uvc/uvc_v4l2.c b/drivers/media/usb/uvc/uvc_v4l2.c index 2ca1e8ce6159d..e858f4f189ed9 100644 --- a/drivers/media/usb/uvc/uvc_v4l2.c +++ b/drivers/media/usb/uvc/uvc_v4l2.c @@ -474,10 +474,13 @@ static int uvc_v4l2_set_streamparm(struct uvc_streaming *stream, uvc_simplify_fraction(&timeperframe.numerator, &timeperframe.denominator, 8, 333); - if (parm->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) + if (parm->type == V4L2_BUF_TYPE_VIDEO_CAPTURE) { parm->parm.capture.timeperframe = timeperframe; - else + parm->parm.capture.capability = V4L2_CAP_TIMEPERFRAME; + } else { parm->parm.output.timeperframe = timeperframe; + parm->parm.output.capability = V4L2_CAP_TIMEPERFRAME; + } return 0; } diff --git a/drivers/media/usb/uvc/uvc_video.c b/drivers/media/usb/uvc/uvc_video.c index 56b058d60a0dc..9c26e586bb01d 100644 --- a/drivers/media/usb/uvc/uvc_video.c +++ b/drivers/media/usb/uvc/uvc_video.c @@ -117,6 +117,11 @@ int uvc_query_ctrl(struct uvc_device *dev, u8 query, u8 unit, case 5: /* Invalid unit */ case 6: /* Invalid control */ case 7: /* Invalid Request */ + /* + * The firmware has not properly implemented + * the control or there has been a HW error. + */ + return -EIO; case 8: /* Invalid value within range */ return -EINVAL; default: /* reserved or unknown */ diff --git a/drivers/memory/fsl_ifc.c b/drivers/memory/fsl_ifc.c index 38b945eb410f3..9c0e70b047c39 100644 --- a/drivers/memory/fsl_ifc.c +++ b/drivers/memory/fsl_ifc.c @@ -276,7 +276,7 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev) ret = fsl_ifc_ctrl_init(fsl_ifc_ctrl_dev); if (ret < 0) - goto err; + goto err_unmap_nandirq; init_waitqueue_head(&fsl_ifc_ctrl_dev->nand_wait); @@ -285,7 +285,7 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev) if (ret != 0) { dev_err(&dev->dev, "failed to install irq (%d)\n", fsl_ifc_ctrl_dev->irq); - goto err_irq; + goto err_unmap_nandirq; } if (fsl_ifc_ctrl_dev->nand_irq) { @@ -294,17 +294,16 @@ static int fsl_ifc_ctrl_probe(struct platform_device *dev) if (ret != 0) { dev_err(&dev->dev, "failed to install irq (%d)\n", fsl_ifc_ctrl_dev->nand_irq); - goto err_nandirq; + goto err_free_irq; } } return 0; -err_nandirq: - free_irq(fsl_ifc_ctrl_dev->nand_irq, fsl_ifc_ctrl_dev); - irq_dispose_mapping(fsl_ifc_ctrl_dev->nand_irq); -err_irq: +err_free_irq: free_irq(fsl_ifc_ctrl_dev->irq, fsl_ifc_ctrl_dev); +err_unmap_nandirq: + irq_dispose_mapping(fsl_ifc_ctrl_dev->nand_irq); irq_dispose_mapping(fsl_ifc_ctrl_dev->irq); err: iounmap(fsl_ifc_ctrl_dev->gregs); diff --git a/drivers/memstick/core/ms_block.c b/drivers/memstick/core/ms_block.c index 8a02f11076f9a..7aab26128f6d9 100644 --- a/drivers/memstick/core/ms_block.c +++ b/drivers/memstick/core/ms_block.c @@ -1731,7 +1731,7 @@ static int msb_init_card(struct memstick_dev *card) msb->pages_in_block = boot_block->attr.block_size * 2; msb->block_size = msb->page_size * msb->pages_in_block; - if (msb->page_size > PAGE_SIZE) { + if ((size_t)msb->page_size > PAGE_SIZE) { /* this isn't supported by linux at all, anyway*/ dbg("device page %d size isn't supported", msb->page_size); return -EINVAL; diff --git a/drivers/memstick/host/jmb38x_ms.c b/drivers/memstick/host/jmb38x_ms.c index 29f5021d21ea6..0610d3c9f1318 100644 --- a/drivers/memstick/host/jmb38x_ms.c +++ b/drivers/memstick/host/jmb38x_ms.c @@ -907,7 +907,7 @@ static struct memstick_host *jmb38x_ms_alloc_host(struct jmb38x_ms *jm, int cnt) iounmap(host->addr); err_out_free: - kfree(msh); + memstick_free_host(msh); return NULL; } diff --git a/drivers/memstick/host/r592.c b/drivers/memstick/host/r592.c index 4559593ecd5a9..4728a42d54b88 100644 --- a/drivers/memstick/host/r592.c +++ b/drivers/memstick/host/r592.c @@ -840,15 +840,15 @@ static void r592_remove(struct pci_dev *pdev) } memstick_remove_host(dev->host); + if (dev->dummy_dma_page) + dma_free_coherent(&pdev->dev, PAGE_SIZE, dev->dummy_dma_page, + dev->dummy_dma_page_physical_address); + free_irq(dev->irq, dev); iounmap(dev->mmio); pci_release_regions(pdev); pci_disable_device(pdev); memstick_free_host(dev->host); - - if (dev->dummy_dma_page) - dma_free_coherent(&pdev->dev, PAGE_SIZE, dev->dummy_dma_page, - dev->dummy_dma_page_physical_address); } #ifdef CONFIG_PM_SLEEP diff --git a/drivers/mmc/host/Kconfig b/drivers/mmc/host/Kconfig index b7f809aa40c2c..2c11944686cf9 100644 --- a/drivers/mmc/host/Kconfig +++ b/drivers/mmc/host/Kconfig @@ -421,7 +421,7 @@ config MMC_OMAP_HS config MMC_WBSD tristate "Winbond W83L51xD SD/MMC Card Interface support" - depends on ISA_DMA_API + depends on ISA_DMA_API && !M68K help This selects the Winbond(R) W83L51xD Secure digital and Multimedia card Interface. diff --git a/drivers/mmc/host/dw_mmc.c b/drivers/mmc/host/dw_mmc.c index e3991df078efb..8570068c2be47 100644 --- a/drivers/mmc/host/dw_mmc.c +++ b/drivers/mmc/host/dw_mmc.c @@ -2039,7 +2039,8 @@ static void dw_mci_tasklet_func(unsigned long priv) * delayed. Allowing the transfer to take place * avoids races and keeps things simple. */ - if (err != -ETIMEDOUT) { + if (err != -ETIMEDOUT && + host->dir_status == DW_MCI_RECV_STATUS) { state = STATE_SENDING_DATA; continue; } diff --git a/drivers/mmc/host/mxs-mmc.c b/drivers/mmc/host/mxs-mmc.c index 7125687faf76a..d7601dc5e85dc 100644 --- a/drivers/mmc/host/mxs-mmc.c +++ b/drivers/mmc/host/mxs-mmc.c @@ -579,6 +579,11 @@ static const struct of_device_id mxs_mmc_dt_ids[] = { }; MODULE_DEVICE_TABLE(of, mxs_mmc_dt_ids); +static void mxs_mmc_regulator_disable(void *regulator) +{ + regulator_disable(regulator); +} + static int mxs_mmc_probe(struct platform_device *pdev) { const struct of_device_id *of_id = @@ -622,6 +627,11 @@ static int mxs_mmc_probe(struct platform_device *pdev) "Failed to enable vmmc regulator: %d\n", ret); goto out_mmc_free; } + + ret = devm_add_action_or_reset(&pdev->dev, mxs_mmc_regulator_disable, + reg_vmmc); + if (ret) + goto out_mmc_free; } ssp->clk = devm_clk_get(&pdev->dev, NULL); diff --git a/drivers/mmc/host/sdhci-omap.c b/drivers/mmc/host/sdhci-omap.c index 05ade7a2dd243..f5bff9e710fb2 100644 --- a/drivers/mmc/host/sdhci-omap.c +++ b/drivers/mmc/host/sdhci-omap.c @@ -690,7 +690,8 @@ static void sdhci_omap_set_power(struct sdhci_host *host, unsigned char mode, { struct mmc_host *mmc = host->mmc; - mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); + if (!IS_ERR(mmc->supply.vmmc)) + mmc_regulator_set_ocr(mmc, mmc->supply.vmmc, vdd); } static int sdhci_omap_enable_dma(struct sdhci_host *host) diff --git a/drivers/mtd/spi-nor/hisi-sfc.c b/drivers/mtd/spi-nor/hisi-sfc.c index 184ba5069ac51..36d2eb0918d9f 100644 --- a/drivers/mtd/spi-nor/hisi-sfc.c +++ b/drivers/mtd/spi-nor/hisi-sfc.c @@ -485,7 +485,6 @@ static int hisi_spi_nor_remove(struct platform_device *pdev) hisi_spi_nor_unregister_all(host); mutex_destroy(&host->lock); - clk_disable_unprepare(host->clk); return 0; } diff --git a/drivers/net/bonding/bond_sysfs_slave.c b/drivers/net/bonding/bond_sysfs_slave.c index 9ec0498d7d54e..1bc20de8e57be 100644 --- a/drivers/net/bonding/bond_sysfs_slave.c +++ b/drivers/net/bonding/bond_sysfs_slave.c @@ -112,15 +112,15 @@ static ssize_t ad_partner_oper_port_state_show(struct slave *slave, char *buf) } static SLAVE_ATTR_RO(ad_partner_oper_port_state); -static const struct slave_attribute *slave_attrs[] = { - &slave_attr_state, - &slave_attr_mii_status, - &slave_attr_link_failure_count, - &slave_attr_perm_hwaddr, - &slave_attr_queue_id, - &slave_attr_ad_aggregator_id, - &slave_attr_ad_actor_oper_port_state, - &slave_attr_ad_partner_oper_port_state, +static const struct attribute *slave_attrs[] = { + &slave_attr_state.attr, + &slave_attr_mii_status.attr, + &slave_attr_link_failure_count.attr, + &slave_attr_perm_hwaddr.attr, + &slave_attr_queue_id.attr, + &slave_attr_ad_aggregator_id.attr, + &slave_attr_ad_actor_oper_port_state.attr, + &slave_attr_ad_partner_oper_port_state.attr, NULL }; @@ -141,24 +141,10 @@ const struct sysfs_ops slave_sysfs_ops = { int bond_sysfs_slave_add(struct slave *slave) { - const struct slave_attribute **a; - int err; - - for (a = slave_attrs; *a; ++a) { - err = sysfs_create_file(&slave->kobj, &((*a)->attr)); - if (err) { - kobject_put(&slave->kobj); - return err; - } - } - - return 0; + return sysfs_create_files(&slave->kobj, slave_attrs); } void bond_sysfs_slave_del(struct slave *slave) { - const struct slave_attribute **a; - - for (a = slave_attrs; *a; ++a) - sysfs_remove_file(&slave->kobj, &((*a)->attr)); + sysfs_remove_files(&slave->kobj, slave_attrs); } diff --git a/drivers/net/dsa/rtl8366rb.c b/drivers/net/dsa/rtl8366rb.c index 5aefd7a4696a5..87832e36c3d5a 100644 --- a/drivers/net/dsa/rtl8366rb.c +++ b/drivers/net/dsa/rtl8366rb.c @@ -1265,7 +1265,7 @@ static int rtl8366rb_set_mc_index(struct realtek_smi *smi, int port, int index) static bool rtl8366rb_is_vlan_valid(struct realtek_smi *smi, unsigned int vlan) { - unsigned int max = RTL8366RB_NUM_VLANS; + unsigned int max = RTL8366RB_NUM_VLANS - 1; if (smi->vlan4k_enabled) max = RTL8366RB_NUM_VIDS - 1; diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-common.h b/drivers/net/ethernet/amd/xgbe/xgbe-common.h index b2cd3bdba9f89..533b8519ec352 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-common.h +++ b/drivers/net/ethernet/amd/xgbe/xgbe-common.h @@ -1331,6 +1331,10 @@ #define MDIO_VEND2_PMA_CDR_CONTROL 0x8056 #endif +#ifndef MDIO_VEND2_PMA_MISC_CTRL0 +#define MDIO_VEND2_PMA_MISC_CTRL0 0x8090 +#endif + #ifndef MDIO_CTRL1_SPEED1G #define MDIO_CTRL1_SPEED1G (MDIO_CTRL1_SPEED10G & ~BMCR_SPEED100) #endif @@ -1389,6 +1393,10 @@ #define XGBE_PMA_RX_RST_0_RESET_ON 0x10 #define XGBE_PMA_RX_RST_0_RESET_OFF 0x00 +#define XGBE_PMA_PLL_CTRL_MASK BIT(15) +#define XGBE_PMA_PLL_CTRL_ENABLE BIT(15) +#define XGBE_PMA_PLL_CTRL_DISABLE 0x0000 + /* Bit setting and getting macros * The get macro will extract the current bit field value from within * the variable diff --git a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c index 54753c8a6a9d7..714aead72c579 100644 --- a/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c +++ b/drivers/net/ethernet/amd/xgbe/xgbe-phy-v2.c @@ -1966,12 +1966,26 @@ static void xgbe_phy_rx_reset(struct xgbe_prv_data *pdata) } } +static void xgbe_phy_pll_ctrl(struct xgbe_prv_data *pdata, bool enable) +{ + XMDIO_WRITE_BITS(pdata, MDIO_MMD_PMAPMD, MDIO_VEND2_PMA_MISC_CTRL0, + XGBE_PMA_PLL_CTRL_MASK, + enable ? XGBE_PMA_PLL_CTRL_ENABLE + : XGBE_PMA_PLL_CTRL_DISABLE); + + /* Wait for command to complete */ + usleep_range(100, 200); +} + static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata, unsigned int cmd, unsigned int sub_cmd) { unsigned int s0 = 0; unsigned int wait; + /* Disable PLL re-initialization during FW command processing */ + xgbe_phy_pll_ctrl(pdata, false); + /* Log if a previous command did not complete */ if (XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS)) { netif_dbg(pdata, link, pdata->netdev, @@ -1992,7 +2006,7 @@ static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata, wait = XGBE_RATECHANGE_COUNT; while (wait--) { if (!XP_IOREAD_BITS(pdata, XP_DRIVER_INT_RO, STATUS)) - return; + goto reenable_pll; usleep_range(1000, 2000); } @@ -2002,6 +2016,10 @@ static void xgbe_phy_perform_ratechange(struct xgbe_prv_data *pdata, /* Reset on error */ xgbe_phy_rx_reset(pdata); + +reenable_pll: + /* Enable PLL re-initialization */ + xgbe_phy_pll_ctrl(pdata, true); } static void xgbe_phy_rrc(struct xgbe_prv_data *pdata) diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h index 1835d2e451c01..fc7fce642666c 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_init_ops.h @@ -635,11 +635,13 @@ static int bnx2x_ilt_client_mem_op(struct bnx2x *bp, int cli_num, { int i, rc; struct bnx2x_ilt *ilt = BP_ILT(bp); - struct ilt_client_info *ilt_cli = &ilt->clients[cli_num]; + struct ilt_client_info *ilt_cli; if (!ilt || !ilt->lines) return -1; + ilt_cli = &ilt->clients[cli_num]; + if (ilt_cli->flags & (ILT_CLIENT_SKIP_INIT | ILT_CLIENT_SKIP_MEM)) return 0; diff --git a/drivers/net/ethernet/cavium/thunder/nic_main.c b/drivers/net/ethernet/cavium/thunder/nic_main.c index 90497a27df184..7c0a67f1f43f7 100644 --- a/drivers/net/ethernet/cavium/thunder/nic_main.c +++ b/drivers/net/ethernet/cavium/thunder/nic_main.c @@ -1175,7 +1175,7 @@ static int nic_register_interrupts(struct nicpf *nic) dev_err(&nic->pdev->dev, "Request for #%d msix vectors failed, returned %d\n", nic->num_vec, ret); - return 1; + return ret; } /* Register mailbox interrupt handler */ diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c index 99eea9e6a8ea6..0fbb0dee2dcfd 100644 --- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c +++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c @@ -1223,7 +1223,7 @@ static int nicvf_register_misc_interrupt(struct nicvf *nic) if (ret < 0) { netdev_err(nic->netdev, "Req for #%d msix vectors failed\n", nic->num_vec); - return 1; + return ret; } sprintf(nic->irq_name[irq], "%s Mbox", "NICVF"); @@ -1242,7 +1242,7 @@ static int nicvf_register_misc_interrupt(struct nicvf *nic) if (!nicvf_check_pf_ready(nic)) { nicvf_disable_intr(nic, NICVF_INTR_MBOX, 0); nicvf_unregister_interrupts(nic); - return 1; + return -EIO; } return 0; diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c index d07230c892a54..db0248ab7fe4a 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c +++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_ethtool.c @@ -1304,12 +1304,15 @@ static int cxgb4_get_module_info(struct net_device *dev, if (ret) return ret; - if (!sff8472_comp || (sff_diag_type & 4)) { + if (!sff8472_comp || (sff_diag_type & SFP_DIAG_ADDRMODE)) { modinfo->type = ETH_MODULE_SFF_8079; modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; } else { modinfo->type = ETH_MODULE_SFF_8472; - modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + if (sff_diag_type & SFP_DIAG_IMPLEMENTED) + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; + else + modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN / 2; } break; diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h index 361d5032c2884..91603639ac428 100644 --- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h +++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.h @@ -292,6 +292,8 @@ enum { #define I2C_PAGE_SIZE 0x100 #define SFP_DIAG_TYPE_ADDR 0x5c #define SFP_DIAG_TYPE_LEN 0x1 +#define SFP_DIAG_ADDRMODE BIT(2) +#define SFP_DIAG_IMPLEMENTED BIT(6) #define SFF_8472_COMP_ADDR 0x5e #define SFF_8472_COMP_LEN 0x1 #define SFF_REV_ADDR 0x1 diff --git a/drivers/net/ethernet/ibm/ibmvnic.c b/drivers/net/ethernet/ibm/ibmvnic.c index d97641b9928bb..c52c26fc44e59 100644 --- a/drivers/net/ethernet/ibm/ibmvnic.c +++ b/drivers/net/ethernet/ibm/ibmvnic.c @@ -4603,6 +4603,9 @@ static int init_crq_queue(struct ibmvnic_adapter *adapter) crq->cur = 0; spin_lock_init(&crq->lock); + /* process any CRQs that were queued before we enabled interrupts */ + tasklet_schedule(&adapter->tasklet); + return retrc; req_irq_failed: diff --git a/drivers/net/ethernet/intel/i40e/i40e.h b/drivers/net/ethernet/intel/i40e/i40e.h index 3c921dfc20564..519b595944235 100644 --- a/drivers/net/ethernet/intel/i40e/i40e.h +++ b/drivers/net/ethernet/intel/i40e/i40e.h @@ -166,6 +166,7 @@ enum i40e_vsi_state_t { __I40E_VSI_OVERFLOW_PROMISC, __I40E_VSI_REINIT_REQUESTED, __I40E_VSI_DOWN_REQUESTED, + __I40E_VSI_RELEASING, /* This must be last as it determines the size of the BITMAP */ __I40E_VSI_STATE_SIZE__, }; diff --git a/drivers/net/ethernet/intel/i40e/i40e_main.c b/drivers/net/ethernet/intel/i40e/i40e_main.c index 062b942517822..51edc7fdc9b9e 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_main.c +++ b/drivers/net/ethernet/intel/i40e/i40e_main.c @@ -1765,6 +1765,7 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, bool is_add) { struct i40e_pf *pf = vsi->back; + u16 num_tc_qps = 0; u16 sections = 0; u8 netdev_tc = 0; u16 numtc = 1; @@ -1772,13 +1773,29 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, u8 offset; u16 qmap; int i; - u16 num_tc_qps = 0; sections = I40E_AQ_VSI_PROP_QUEUE_MAP_VALID; offset = 0; + if (vsi->type == I40E_VSI_MAIN) { + /* This code helps add more queue to the VSI if we have + * more cores than RSS can support, the higher cores will + * be served by ATR or other filters. Furthermore, the + * non-zero req_queue_pairs says that user requested a new + * queue count via ethtool's set_channels, so use this + * value for queues distribution across traffic classes + */ + if (vsi->req_queue_pairs > 0) + vsi->num_queue_pairs = vsi->req_queue_pairs; + else if (pf->flags & I40E_FLAG_MSIX_ENABLED) + vsi->num_queue_pairs = pf->num_lan_msix; + } + /* Number of queues per enabled TC */ - num_tc_qps = vsi->alloc_queue_pairs; + if (vsi->type == I40E_VSI_MAIN) + num_tc_qps = vsi->num_queue_pairs; + else + num_tc_qps = vsi->alloc_queue_pairs; if (enabled_tc && (vsi->back->flags & I40E_FLAG_DCB_ENABLED)) { /* Find numtc from enabled TC bitmap */ for (i = 0, numtc = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) { @@ -1856,16 +1873,10 @@ static void i40e_vsi_setup_queue_map(struct i40e_vsi *vsi, } ctxt->info.tc_mapping[i] = cpu_to_le16(qmap); } - - /* Set actual Tx/Rx queue pairs */ - vsi->num_queue_pairs = offset; - if ((vsi->type == I40E_VSI_MAIN) && (numtc == 1)) { - if (vsi->req_queue_pairs > 0) - vsi->num_queue_pairs = vsi->req_queue_pairs; - else if (pf->flags & I40E_FLAG_MSIX_ENABLED) - vsi->num_queue_pairs = pf->num_lan_msix; - } - + /* Do not change previously set num_queue_pairs for PFs */ + if ((vsi->type == I40E_VSI_MAIN && numtc != 1) || + vsi->type != I40E_VSI_MAIN) + vsi->num_queue_pairs = offset; /* Scheduler section valid can only be set for ADD VSI */ if (is_add) { sections |= I40E_AQ_VSI_PROP_SCHED_VALID; @@ -2584,7 +2595,8 @@ static void i40e_sync_filters_subtask(struct i40e_pf *pf) for (v = 0; v < pf->num_alloc_vsi; v++) { if (pf->vsi[v] && - (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED)) { + (pf->vsi[v]->flags & I40E_VSI_FLAG_FILTER_CHANGED) && + !test_bit(__I40E_VSI_RELEASING, pf->vsi[v]->state)) { int ret = i40e_sync_vsi_filters(pf->vsi[v]); if (ret) { @@ -7505,9 +7517,8 @@ static int i40e_configure_clsflower(struct i40e_vsi *vsi, err = i40e_add_del_cloud_filter(vsi, filter, true); if (err) { - dev_err(&pf->pdev->dev, - "Failed to add cloud filter, err %s\n", - i40e_stat_str(&pf->hw, err)); + dev_err(&pf->pdev->dev, "Failed to add cloud filter, err %d\n", + err); goto err; } @@ -12444,7 +12455,7 @@ int i40e_vsi_release(struct i40e_vsi *vsi) dev_info(&pf->pdev->dev, "Can't remove PF VSI\n"); return -ENODEV; } - + set_bit(__I40E_VSI_RELEASING, vsi->state); uplink_seid = vsi->uplink_seid; if (vsi->type != I40E_VSI_SRIOV) { if (vsi->netdev_registered) { diff --git a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c index 3c1533c627fd0..02d245970d7fa 100644 --- a/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c +++ b/drivers/net/ethernet/intel/i40e/i40e_virtchnl_pf.c @@ -621,14 +621,13 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, u16 vsi_queue_id, struct virtchnl_rxq_info *info) { + u16 pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); struct i40e_pf *pf = vf->pf; + struct i40e_vsi *vsi = pf->vsi[vf->lan_vsi_idx]; struct i40e_hw *hw = &pf->hw; struct i40e_hmc_obj_rxq rx_ctx; - u16 pf_queue_id; int ret = 0; - pf_queue_id = i40e_vc_get_pf_queue_id(vf, vsi_id, vsi_queue_id); - /* clear the context structure first */ memset(&rx_ctx, 0, sizeof(struct i40e_hmc_obj_rxq)); @@ -666,6 +665,10 @@ static int i40e_config_vsi_rx_queue(struct i40e_vf *vf, u16 vsi_id, } rx_ctx.rxmax = info->max_pkt_size; + /* if port VLAN is configured increase the max packet size */ + if (vsi->info.pvid) + rx_ctx.rxmax += VLAN_HLEN; + /* enable 32bytes desc always */ rx_ctx.dsize = 1; @@ -3927,34 +3930,6 @@ error_param: return ret; } -/** - * i40e_vsi_has_vlans - True if VSI has configured VLANs - * @vsi: pointer to the vsi - * - * Check if a VSI has configured any VLANs. False if we have a port VLAN or if - * we have no configured VLANs. Do not call while holding the - * mac_filter_hash_lock. - */ -static bool i40e_vsi_has_vlans(struct i40e_vsi *vsi) -{ - bool have_vlans; - - /* If we have a port VLAN, then the VSI cannot have any VLANs - * configured, as all MAC/VLAN filters will be assigned to the PVID. - */ - if (vsi->info.pvid) - return false; - - /* Since we don't have a PVID, we know that if the device is in VLAN - * mode it must be because of a VLAN filter configured on this VSI. - */ - spin_lock_bh(&vsi->mac_filter_hash_lock); - have_vlans = i40e_is_vsi_in_vlan(vsi); - spin_unlock_bh(&vsi->mac_filter_hash_lock); - - return have_vlans; -} - /** * i40e_ndo_set_vf_port_vlan * @netdev: network interface device structure @@ -4007,19 +3982,9 @@ int i40e_ndo_set_vf_port_vlan(struct net_device *netdev, int vf_id, /* duplicate request, so just return success */ goto error_pvid; - if (i40e_vsi_has_vlans(vsi)) { - dev_err(&pf->pdev->dev, - "VF %d has already configured VLAN filters and the administrator is requesting a port VLAN override.\nPlease unload and reload the VF driver for this change to take effect.\n", - vf_id); - /* Administrator Error - knock the VF offline until he does - * the right thing by reconfiguring his network correctly - * and then reloading the VF driver. - */ - i40e_vc_disable_vf(vf); - /* During reset the VF got a new VSI, so refresh the pointer. */ - vsi = pf->vsi[vf->lan_vsi_idx]; - } - + i40e_vc_disable_vf(vf); + /* During reset the VF got a new VSI, so refresh a pointer. */ + vsi = pf->vsi[vf->lan_vsi_idx]; /* Locked once because multiple functions below iterate list */ spin_lock_bh(&vsi->mac_filter_hash_lock); diff --git a/drivers/net/ethernet/intel/i40evf/i40evf_main.c b/drivers/net/ethernet/intel/i40evf/i40evf_main.c index ac5709624c7ad..5a6e579e9e653 100644 --- a/drivers/net/ethernet/intel/i40evf/i40evf_main.c +++ b/drivers/net/ethernet/intel/i40evf/i40evf_main.c @@ -2058,7 +2058,7 @@ static void i40evf_adminq_task(struct work_struct *work) /* check for error indications */ val = rd32(hw, hw->aq.arq.len); - if (val == 0xdeadbeef) /* indicates device in reset */ + if (val == 0xdeadbeef || val == 0xffffffff) /* device in reset */ goto freedom; oldval = val; if (val & I40E_VF_ARQLEN1_ARQVFE_MASK) { @@ -3185,7 +3185,8 @@ static netdev_features_t i40evf_fix_features(struct net_device *netdev, { struct i40evf_adapter *adapter = netdev_priv(netdev); - if (!(adapter->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) + if (adapter->vf_res && + !(adapter->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) features &= ~(NETIF_F_HW_VLAN_CTAG_TX | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER); diff --git a/drivers/net/ethernet/sfc/ptp.c b/drivers/net/ethernet/sfc/ptp.c index d47151dbe804d..c0a810f740341 100644 --- a/drivers/net/ethernet/sfc/ptp.c +++ b/drivers/net/ethernet/sfc/ptp.c @@ -651,7 +651,7 @@ static int efx_ptp_get_attributes(struct efx_nic *efx) } else if (rc == -EINVAL) { fmt = MC_CMD_PTP_OUT_GET_ATTRIBUTES_SECONDS_NANOSECONDS; } else if (rc == -EPERM) { - netif_info(efx, probe, efx->net_dev, "no PTP support\n"); + pci_info(efx->pci_dev, "no PTP support\n"); return rc; } else { efx_mcdi_display_error(efx, MC_CMD_PTP, sizeof(inbuf), @@ -827,7 +827,7 @@ static int efx_ptp_disable(struct efx_nic *efx) * should only have been called during probe. */ if (rc == -ENOSYS || rc == -EPERM) - netif_info(efx, probe, efx->net_dev, "no PTP support\n"); + pci_info(efx->pci_dev, "no PTP support\n"); else if (rc) efx_mcdi_display_error(efx, MC_CMD_PTP, MC_CMD_PTP_IN_DISABLE_LEN, diff --git a/drivers/net/ethernet/sfc/siena_sriov.c b/drivers/net/ethernet/sfc/siena_sriov.c index da7b94f346049..30d58f72725df 100644 --- a/drivers/net/ethernet/sfc/siena_sriov.c +++ b/drivers/net/ethernet/sfc/siena_sriov.c @@ -1059,7 +1059,7 @@ void efx_siena_sriov_probe(struct efx_nic *efx) return; if (efx_siena_sriov_cmd(efx, false, &efx->vi_scale, &count)) { - netif_info(efx, probe, efx->net_dev, "no SR-IOV VFs probed\n"); + pci_info(efx->pci_dev, "no SR-IOV VFs probed\n"); return; } if (count > 0 && count > max_vfs) diff --git a/drivers/net/ethernet/ti/davinci_emac.c b/drivers/net/ethernet/ti/davinci_emac.c index 56130cf293f37..566da1e3cfbcc 100644 --- a/drivers/net/ethernet/ti/davinci_emac.c +++ b/drivers/net/ethernet/ti/davinci_emac.c @@ -426,8 +426,20 @@ static int emac_set_coalesce(struct net_device *ndev, u32 int_ctrl, num_interrupts = 0; u32 prescale = 0, addnl_dvdr = 1, coal_intvl = 0; - if (!coal->rx_coalesce_usecs) - return -EINVAL; + if (!coal->rx_coalesce_usecs) { + priv->coal_intvl = 0; + + switch (priv->version) { + case EMAC_VERSION_2: + emac_ctrl_write(EMAC_DM646X_CMINTCTRL, 0); + break; + default: + emac_ctrl_write(EMAC_CTRL_EWINTTCNT, 0); + break; + } + + return 0; + } coal_intvl = coal->rx_coalesce_usecs; diff --git a/drivers/net/phy/micrel.c b/drivers/net/phy/micrel.c index 55caaaf969da5..0135903300595 100644 --- a/drivers/net/phy/micrel.c +++ b/drivers/net/phy/micrel.c @@ -880,8 +880,9 @@ static struct phy_driver ksphy_driver[] = { .get_sset_count = kszphy_get_sset_count, .get_strings = kszphy_get_strings, .get_stats = kszphy_get_stats, - .suspend = genphy_suspend, - .resume = genphy_resume, + /* No suspend/resume callbacks because of errata DS80000700A, + * receiver error following software power down. + */ }, { .phy_id = PHY_ID_KSZ8041RNLI, .phy_id_mask = MICREL_PHY_ID_MASK, diff --git a/drivers/net/phy/phylink.c b/drivers/net/phy/phylink.c index 723611ac91027..e808efd762122 100644 --- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -1259,7 +1259,7 @@ int phylink_ethtool_set_pauseparam(struct phylink *pl, return -EOPNOTSUPP; if (!phylink_test(pl->supported, Asym_Pause) && - !pause->autoneg && pause->rx_pause != pause->tx_pause) + pause->rx_pause != pause->tx_pause) return -EINVAL; config->pause &= ~(MLO_PAUSE_AN | MLO_PAUSE_TXRX_MASK); diff --git a/drivers/net/tun.c b/drivers/net/tun.c index 8ee2c519c9bf0..d5bb972cbc9a6 100644 --- a/drivers/net/tun.c +++ b/drivers/net/tun.c @@ -1085,6 +1085,7 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) { struct tun_struct *tun = netdev_priv(dev); int txq = skb->queue_mapping; + struct netdev_queue *queue; struct tun_file *tfile; int len = skb->len; @@ -1131,6 +1132,10 @@ static netdev_tx_t tun_net_xmit(struct sk_buff *skb, struct net_device *dev) if (ptr_ring_produce(&tfile->tx_ring, skb)) goto drop; + /* NETIF_F_LLTX requires to do our own update of trans_start */ + queue = netdev_get_tx_queue(dev, txq); + queue->trans_start = jiffies; + /* Notify and wake up reader process */ if (tfile->flags & TUN_FASYNC) kill_fasync(&tfile->fasync, SIGIO, POLL_IN); diff --git a/drivers/net/vmxnet3/vmxnet3_drv.c b/drivers/net/vmxnet3/vmxnet3_drv.c index e454dfc9ad8f2..c004819bebe35 100644 --- a/drivers/net/vmxnet3/vmxnet3_drv.c +++ b/drivers/net/vmxnet3/vmxnet3_drv.c @@ -3634,7 +3634,6 @@ vmxnet3_suspend(struct device *device) vmxnet3_free_intr_resources(adapter); netif_device_detach(netdev); - netif_tx_stop_all_queues(netdev); /* Create wake-up filters. */ pmConf = adapter->pm_conf; diff --git a/drivers/net/wireless/ath/ath10k/mac.c b/drivers/net/wireless/ath/ath10k/mac.c index 8102d684be594..6e4096fd66334 100644 --- a/drivers/net/wireless/ath/ath10k/mac.c +++ b/drivers/net/wireless/ath/ath10k/mac.c @@ -1003,7 +1003,7 @@ static int ath10k_monitor_vdev_start(struct ath10k *ar, int vdev_id) arg.channel.min_power = 0; arg.channel.max_power = channel->max_power * 2; arg.channel.max_reg_power = channel->max_reg_power * 2; - arg.channel.max_antenna_gain = channel->max_antenna_gain * 2; + arg.channel.max_antenna_gain = channel->max_antenna_gain; reinit_completion(&ar->vdev_setup_done); @@ -1445,7 +1445,7 @@ static int ath10k_vdev_start_restart(struct ath10k_vif *arvif, arg.channel.min_power = 0; arg.channel.max_power = chandef->chan->max_power * 2; arg.channel.max_reg_power = chandef->chan->max_reg_power * 2; - arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain * 2; + arg.channel.max_antenna_gain = chandef->chan->max_antenna_gain; if (arvif->vdev_type == WMI_VDEV_TYPE_AP) { arg.ssid = arvif->u.ap.ssid; @@ -3104,7 +3104,7 @@ static int ath10k_update_channel_list(struct ath10k *ar) ch->min_power = 0; ch->max_power = channel->max_power * 2; ch->max_reg_power = channel->max_reg_power * 2; - ch->max_antenna_gain = channel->max_antenna_gain * 2; + ch->max_antenna_gain = channel->max_antenna_gain; ch->reg_class_id = 0; /* FIXME */ /* FIXME: why use only legacy modes, why not any diff --git a/drivers/net/wireless/ath/ath10k/usb.c b/drivers/net/wireless/ath/ath10k/usb.c index 16d5fe6d1e2e4..0a76991d0c6cd 100644 --- a/drivers/net/wireless/ath/ath10k/usb.c +++ b/drivers/net/wireless/ath/ath10k/usb.c @@ -536,7 +536,7 @@ static int ath10k_usb_submit_ctrl_in(struct ath10k *ar, req, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, buf, - size, 2 * HZ); + size, 2000); if (ret < 0) { ath10k_warn(ar, "Failed to read usb control message: %d\n", @@ -875,6 +875,11 @@ static int ath10k_usb_setup_pipe_resources(struct ath10k *ar, le16_to_cpu(endpoint->wMaxPacketSize), endpoint->bInterval); } + + /* Ignore broken descriptors. */ + if (usb_endpoint_maxp(endpoint) == 0) + continue; + urbcount = 0; pipe_num = diff --git a/drivers/net/wireless/ath/ath10k/wmi.h b/drivers/net/wireless/ath/ath10k/wmi.h index 6bd63d1cd0395..1292f3235e32c 100644 --- a/drivers/net/wireless/ath/ath10k/wmi.h +++ b/drivers/net/wireless/ath/ath10k/wmi.h @@ -1988,7 +1988,9 @@ struct wmi_channel { union { __le32 reginfo1; struct { + /* note: power unit is 1 dBm */ u8 antenna_max; + /* note: power unit is 0.5 dBm */ u8 max_tx_power; } __packed; } __packed; @@ -2008,6 +2010,7 @@ struct wmi_channel_arg { u32 min_power; u32 max_power; u32 max_reg_power; + /* note: power unit is 1 dBm */ u32 max_antenna_gain; u32 reg_class_id; enum wmi_phy_mode mode; diff --git a/drivers/net/wireless/ath/ath6kl/usb.c b/drivers/net/wireless/ath/ath6kl/usb.c index 53b66e9434c99..8b24964304b1f 100644 --- a/drivers/net/wireless/ath/ath6kl/usb.c +++ b/drivers/net/wireless/ath/ath6kl/usb.c @@ -340,6 +340,11 @@ static int ath6kl_usb_setup_pipe_resources(struct ath6kl_usb *ar_usb) le16_to_cpu(endpoint->wMaxPacketSize), endpoint->bInterval); } + + /* Ignore broken descriptors. */ + if (usb_endpoint_maxp(endpoint) == 0) + continue; + urbcount = 0; pipe_num = @@ -907,7 +912,7 @@ static int ath6kl_usb_submit_ctrl_in(struct ath6kl_usb *ar_usb, req, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, index, buf, - size, 2 * HZ); + size, 2000); if (ret < 0) { ath6kl_warn("Failed to read usb control message: %d\n", ret); diff --git a/drivers/net/wireless/ath/ath9k/main.c b/drivers/net/wireless/ath/ath9k/main.c index a0097bebcba3b..ee1b9c39bad7a 100644 --- a/drivers/net/wireless/ath/ath9k/main.c +++ b/drivers/net/wireless/ath/ath9k/main.c @@ -530,8 +530,10 @@ irqreturn_t ath_isr(int irq, void *dev) ath9k_debug_sync_cause(sc, sync_cause); status &= ah->imask; /* discard unasked-for bits */ - if (test_bit(ATH_OP_HW_RESET, &common->op_flags)) + if (test_bit(ATH_OP_HW_RESET, &common->op_flags)) { + ath9k_hw_kill_interrupts(sc->sc_ah); return IRQ_HANDLED; + } /* * If there are no status bits set, then this interrupt was not diff --git a/drivers/net/wireless/ath/dfs_pattern_detector.c b/drivers/net/wireless/ath/dfs_pattern_detector.c index a274eb0d19688..a0ad6e48a35b4 100644 --- a/drivers/net/wireless/ath/dfs_pattern_detector.c +++ b/drivers/net/wireless/ath/dfs_pattern_detector.c @@ -182,10 +182,12 @@ static void channel_detector_exit(struct dfs_pattern_detector *dpd, if (cd == NULL) return; list_del(&cd->head); - for (i = 0; i < dpd->num_radar_types; i++) { - struct pri_detector *de = cd->detectors[i]; - if (de != NULL) - de->exit(de); + if (cd->detectors) { + for (i = 0; i < dpd->num_radar_types; i++) { + struct pri_detector *de = cd->detectors[i]; + if (de != NULL) + de->exit(de); + } } kfree(cd->detectors); kfree(cd); diff --git a/drivers/net/wireless/ath/wcn36xx/dxe.c b/drivers/net/wireless/ath/wcn36xx/dxe.c index 06cfe8d311f39..657525988d1ee 100644 --- a/drivers/net/wireless/ath/wcn36xx/dxe.c +++ b/drivers/net/wireless/ath/wcn36xx/dxe.c @@ -565,6 +565,10 @@ static int wcn36xx_rx_handle_packets(struct wcn36xx *wcn, dxe = ctl->desc; while (!(READ_ONCE(dxe->ctrl) & WCN36xx_DXE_CTRL_VLD)) { + /* do not read until we own DMA descriptor */ + dma_rmb(); + + /* read/modify DMA descriptor */ skb = ctl->skb; dma_addr = dxe->dst_addr_l; ret = wcn36xx_dxe_fill_skb(wcn->dev, ctl, GFP_ATOMIC); @@ -575,9 +579,15 @@ static int wcn36xx_rx_handle_packets(struct wcn36xx *wcn, dma_unmap_single(wcn->dev, dma_addr, WCN36XX_PKT_SIZE, DMA_FROM_DEVICE); wcn36xx_rx_skb(wcn, skb); - } /* else keep old skb not submitted and use it for rx DMA */ + } + /* else keep old skb not submitted and reuse it for rx DMA + * (dropping the packet that it contained) + */ + /* flush descriptor changes before re-marking as valid */ + dma_wmb(); dxe->ctrl = ctrl; + ctl = ctl->next; dxe = ctl->desc; } diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index 556ba3c6c5d8e..eb5d08bf25032 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -134,7 +134,9 @@ static struct ieee80211_supported_band wcn_band_2ghz = { .cap = IEEE80211_HT_CAP_GRN_FLD | IEEE80211_HT_CAP_SGI_20 | IEEE80211_HT_CAP_DSSSCCK40 | - IEEE80211_HT_CAP_LSIG_TXOP_PROT, + IEEE80211_HT_CAP_LSIG_TXOP_PROT | + IEEE80211_HT_CAP_SGI_40 | + IEEE80211_HT_CAP_SUP_WIDTH_20_40, .ht_supported = true, .ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K, .ampdu_density = IEEE80211_HT_MPDU_DENSITY_16, diff --git a/drivers/net/wireless/ath/wcn36xx/smd.c b/drivers/net/wireless/ath/wcn36xx/smd.c index 6cd113b3b3e49..e75c1cfd85e63 100644 --- a/drivers/net/wireless/ath/wcn36xx/smd.c +++ b/drivers/net/wireless/ath/wcn36xx/smd.c @@ -2340,30 +2340,52 @@ static int wcn36xx_smd_delete_sta_context_ind(struct wcn36xx *wcn, size_t len) { struct wcn36xx_hal_delete_sta_context_ind_msg *rsp = buf; - struct wcn36xx_vif *tmp; + struct wcn36xx_vif *vif_priv; + struct ieee80211_vif *vif; + struct ieee80211_bss_conf *bss_conf; struct ieee80211_sta *sta; + bool found = false; if (len != sizeof(*rsp)) { wcn36xx_warn("Corrupted delete sta indication\n"); return -EIO; } - wcn36xx_dbg(WCN36XX_DBG_HAL, "delete station indication %pM index %d\n", - rsp->addr2, rsp->sta_id); + wcn36xx_dbg(WCN36XX_DBG_HAL, + "delete station indication %pM index %d reason %d\n", + rsp->addr2, rsp->sta_id, rsp->reason_code); - list_for_each_entry(tmp, &wcn->vif_list, list) { + list_for_each_entry(vif_priv, &wcn->vif_list, list) { rcu_read_lock(); - sta = ieee80211_find_sta(wcn36xx_priv_to_vif(tmp), rsp->addr2); - if (sta) - ieee80211_report_low_ack(sta, 0); + vif = wcn36xx_priv_to_vif(vif_priv); + + if (vif->type == NL80211_IFTYPE_STATION) { + /* We could call ieee80211_find_sta too, but checking + * bss_conf is clearer. + */ + bss_conf = &vif->bss_conf; + if (vif_priv->sta_assoc && + !memcmp(bss_conf->bssid, rsp->addr2, ETH_ALEN)) { + found = true; + wcn36xx_dbg(WCN36XX_DBG_HAL, + "connection loss bss_index %d\n", + vif_priv->bss_index); + ieee80211_connection_loss(vif); + } + } else { + sta = ieee80211_find_sta(vif, rsp->addr2); + if (sta) { + found = true; + ieee80211_report_low_ack(sta, 0); + } + } + rcu_read_unlock(); - if (sta) + if (found) return 0; } - wcn36xx_warn("STA with addr %pM and index %d not found\n", - rsp->addr2, - rsp->sta_id); + wcn36xx_warn("BSS or STA with addr %pM not found\n", rsp->addr2); return -ENOENT; } diff --git a/drivers/net/wireless/broadcom/b43/phy_g.c b/drivers/net/wireless/broadcom/b43/phy_g.c index f59c021664626..40e10d0b7cd73 100644 --- a/drivers/net/wireless/broadcom/b43/phy_g.c +++ b/drivers/net/wireless/broadcom/b43/phy_g.c @@ -2310,7 +2310,7 @@ static u8 b43_gphy_aci_scan(struct b43_wldev *dev) b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF); b43_set_all_gains(dev, 3, 8, 1); - start = (channel - 5 > 0) ? channel - 5 : 1; + start = (channel > 5) ? channel - 5 : 1; end = (channel + 5 < 14) ? channel + 5 : 13; for (i = start; i <= end; i++) { diff --git a/drivers/net/wireless/broadcom/b43legacy/radio.c b/drivers/net/wireless/broadcom/b43legacy/radio.c index eab1c93878468..8f845db23766b 100644 --- a/drivers/net/wireless/broadcom/b43legacy/radio.c +++ b/drivers/net/wireless/broadcom/b43legacy/radio.c @@ -299,7 +299,7 @@ u8 b43legacy_radio_aci_scan(struct b43legacy_wldev *dev) & 0x7FFF); b43legacy_set_all_gains(dev, 3, 8, 1); - start = (channel - 5 > 0) ? channel - 5 : 1; + start = (channel > 5) ? channel - 5 : 1; end = (channel + 5 < 14) ? channel + 5 : 13; for (i = start; i <= end; i++) { diff --git a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c index 00712205c05f2..bc3f67e0bf334 100644 --- a/drivers/net/wireless/intel/iwlwifi/mvm/utils.c +++ b/drivers/net/wireless/intel/iwlwifi/mvm/utils.c @@ -1018,6 +1018,9 @@ bool iwl_mvm_rx_diversity_allowed(struct iwl_mvm *mvm) lockdep_assert_held(&mvm->mutex); + if (iwlmvm_mod_params.power_scheme != IWL_POWER_SCHEME_CAM) + return false; + if (num_of_ant(iwl_mvm_get_valid_rx_ant(mvm)) == 1) return false; diff --git a/drivers/net/wireless/marvell/libertas/if_usb.c b/drivers/net/wireless/marvell/libertas/if_usb.c index 9e82ec12564bb..f29a154d995c8 100644 --- a/drivers/net/wireless/marvell/libertas/if_usb.c +++ b/drivers/net/wireless/marvell/libertas/if_usb.c @@ -288,6 +288,7 @@ err_add_card: if_usb_reset_device(cardp); dealloc: if_usb_free(cardp); + kfree(cardp); error: return r; @@ -312,6 +313,7 @@ static void if_usb_disconnect(struct usb_interface *intf) /* Unlink and free urb */ if_usb_free(cardp); + kfree(cardp); usb_set_intfdata(intf, NULL); usb_put_dev(interface_to_usbdev(intf)); diff --git a/drivers/net/wireless/marvell/libertas_tf/if_usb.c b/drivers/net/wireless/marvell/libertas_tf/if_usb.c index 6ede6168bd85a..60941c319b421 100644 --- a/drivers/net/wireless/marvell/libertas_tf/if_usb.c +++ b/drivers/net/wireless/marvell/libertas_tf/if_usb.c @@ -234,6 +234,7 @@ static int if_usb_probe(struct usb_interface *intf, dealloc: if_usb_free(cardp); + kfree(cardp); error: lbtf_deb_leave(LBTF_DEB_MAIN); return -ENOMEM; @@ -258,6 +259,7 @@ static void if_usb_disconnect(struct usb_interface *intf) /* Unlink and free urb */ if_usb_free(cardp); + kfree(cardp); usb_set_intfdata(intf, NULL); usb_put_dev(interface_to_usbdev(intf)); diff --git a/drivers/net/wireless/marvell/mwifiex/11n.c b/drivers/net/wireless/marvell/mwifiex/11n.c index 5d75c971004b4..5dcc305cc8127 100644 --- a/drivers/net/wireless/marvell/mwifiex/11n.c +++ b/drivers/net/wireless/marvell/mwifiex/11n.c @@ -664,14 +664,15 @@ int mwifiex_send_delba(struct mwifiex_private *priv, int tid, u8 *peer_mac, uint16_t del_ba_param_set; memset(&delba, 0, sizeof(delba)); - delba.del_ba_param_set = cpu_to_le16(tid << DELBA_TID_POS); - del_ba_param_set = le16_to_cpu(delba.del_ba_param_set); + del_ba_param_set = tid << DELBA_TID_POS; + if (initiator) del_ba_param_set |= IEEE80211_DELBA_PARAM_INITIATOR_MASK; else del_ba_param_set &= ~IEEE80211_DELBA_PARAM_INITIATOR_MASK; + delba.del_ba_param_set = cpu_to_le16(del_ba_param_set); memcpy(&delba.peer_mac_addr, peer_mac, ETH_ALEN); /* We don't wait for the response of this command */ diff --git a/drivers/net/wireless/marvell/mwifiex/cfg80211.c b/drivers/net/wireless/marvell/mwifiex/cfg80211.c index 650191db25cbe..892247145f428 100644 --- a/drivers/net/wireless/marvell/mwifiex/cfg80211.c +++ b/drivers/net/wireless/marvell/mwifiex/cfg80211.c @@ -912,16 +912,20 @@ mwifiex_init_new_priv_params(struct mwifiex_private *priv, switch (type) { case NL80211_IFTYPE_STATION: case NL80211_IFTYPE_ADHOC: - priv->bss_role = MWIFIEX_BSS_ROLE_STA; + priv->bss_role = MWIFIEX_BSS_ROLE_STA; + priv->bss_type = MWIFIEX_BSS_TYPE_STA; break; case NL80211_IFTYPE_P2P_CLIENT: - priv->bss_role = MWIFIEX_BSS_ROLE_STA; + priv->bss_role = MWIFIEX_BSS_ROLE_STA; + priv->bss_type = MWIFIEX_BSS_TYPE_P2P; break; case NL80211_IFTYPE_P2P_GO: - priv->bss_role = MWIFIEX_BSS_ROLE_UAP; + priv->bss_role = MWIFIEX_BSS_ROLE_UAP; + priv->bss_type = MWIFIEX_BSS_TYPE_P2P; break; case NL80211_IFTYPE_AP: priv->bss_role = MWIFIEX_BSS_ROLE_UAP; + priv->bss_type = MWIFIEX_BSS_TYPE_UAP; break; default: mwifiex_dbg(adapter, ERROR, @@ -1233,29 +1237,15 @@ mwifiex_cfg80211_change_virtual_intf(struct wiphy *wiphy, break; case NL80211_IFTYPE_P2P_CLIENT: case NL80211_IFTYPE_P2P_GO: + if (mwifiex_cfg80211_deinit_p2p(priv)) + return -EFAULT; + switch (type) { - case NL80211_IFTYPE_STATION: - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -EFAULT; - priv->adapter->curr_iface_comb.p2p_intf--; - priv->adapter->curr_iface_comb.sta_intf++; - dev->ieee80211_ptr->iftype = type; - if (mwifiex_deinit_priv_params(priv)) - return -1; - if (mwifiex_init_new_priv_params(priv, dev, type)) - return -1; - if (mwifiex_sta_init_cmd(priv, false, false)) - return -1; - break; case NL80211_IFTYPE_ADHOC: - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -EFAULT; + case NL80211_IFTYPE_STATION: return mwifiex_change_vif_to_sta_adhoc(dev, curr_iftype, type, params); - break; case NL80211_IFTYPE_AP: - if (mwifiex_cfg80211_deinit_p2p(priv)) - return -EFAULT; return mwifiex_change_vif_to_ap(dev, curr_iftype, type, params); case NL80211_IFTYPE_UNSPECIFIED: diff --git a/drivers/net/wireless/marvell/mwifiex/pcie.c b/drivers/net/wireless/marvell/mwifiex/pcie.c index 2f0141c964e25..aea79fd54c311 100644 --- a/drivers/net/wireless/marvell/mwifiex/pcie.c +++ b/drivers/net/wireless/marvell/mwifiex/pcie.c @@ -1330,6 +1330,14 @@ mwifiex_pcie_send_data(struct mwifiex_adapter *adapter, struct sk_buff *skb, ret = -1; goto done_unmap; } + + /* The firmware (latest version 15.68.19.p21) of the 88W8897 PCIe+USB card + * seems to crash randomly after setting the TX ring write pointer when + * ASPM powersaving is enabled. A workaround seems to be keeping the bus + * busy by reading a random register afterwards. + */ + mwifiex_read_reg(adapter, PCI_VENDOR_ID, &rx_val); + if ((mwifiex_pcie_txbd_not_full(card)) && tx_param->next_pkt_len) { /* have more packets and TxBD still can hold more */ diff --git a/drivers/net/wireless/marvell/mwifiex/usb.c b/drivers/net/wireless/marvell/mwifiex/usb.c index 2a8d40ce463d5..e6234b53a5ca2 100644 --- a/drivers/net/wireless/marvell/mwifiex/usb.c +++ b/drivers/net/wireless/marvell/mwifiex/usb.c @@ -505,6 +505,22 @@ static int mwifiex_usb_probe(struct usb_interface *intf, } } + switch (card->usb_boot_state) { + case USB8XXX_FW_DNLD: + /* Reject broken descriptors. */ + if (!card->rx_cmd_ep || !card->tx_cmd_ep) + return -ENODEV; + if (card->bulk_out_maxpktsize == 0) + return -ENODEV; + break; + case USB8XXX_FW_READY: + /* Assume the driver can handle missing endpoints for now. */ + break; + default: + WARN_ON(1); + return -ENODEV; + } + usb_set_intfdata(intf, card); ret = mwifiex_add_card(card, &card->fw_done, &usb_ops, diff --git a/drivers/net/wireless/marvell/mwl8k.c b/drivers/net/wireless/marvell/mwl8k.c index 6769b0c5a5cde..ee842797570b7 100644 --- a/drivers/net/wireless/marvell/mwl8k.c +++ b/drivers/net/wireless/marvell/mwl8k.c @@ -5793,8 +5793,8 @@ static void mwl8k_fw_state_machine(const struct firmware *fw, void *context) fail: priv->fw_state = FW_STATE_ERROR; complete(&priv->firmware_loading_complete); - device_release_driver(&priv->pdev->dev); mwl8k_release_firmware(priv); + device_release_driver(&priv->pdev->dev); } #define MAX_RESTART_ATTEMPTS 1 diff --git a/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c b/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c index ff0971f1e2c8b..8ef6c2f97027d 100644 --- a/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c +++ b/drivers/net/wireless/realtek/rtl818x/rtl8187/rtl8225.c @@ -31,7 +31,7 @@ u8 rtl818x_ioread8_idx(struct rtl8187_priv *priv, usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), RTL8187_REQ_GET_REG, RTL8187_REQT_READ, (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); + &priv->io_dmabuf->bits8, sizeof(val), 500); val = priv->io_dmabuf->bits8; mutex_unlock(&priv->io_mutex); @@ -48,7 +48,7 @@ u16 rtl818x_ioread16_idx(struct rtl8187_priv *priv, usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), RTL8187_REQ_GET_REG, RTL8187_REQT_READ, (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); + &priv->io_dmabuf->bits16, sizeof(val), 500); val = priv->io_dmabuf->bits16; mutex_unlock(&priv->io_mutex); @@ -65,7 +65,7 @@ u32 rtl818x_ioread32_idx(struct rtl8187_priv *priv, usb_control_msg(priv->udev, usb_rcvctrlpipe(priv->udev, 0), RTL8187_REQ_GET_REG, RTL8187_REQT_READ, (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); + &priv->io_dmabuf->bits32, sizeof(val), 500); val = priv->io_dmabuf->bits32; mutex_unlock(&priv->io_mutex); @@ -82,7 +82,7 @@ void rtl818x_iowrite8_idx(struct rtl8187_priv *priv, usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits8, sizeof(val), HZ / 2); + &priv->io_dmabuf->bits8, sizeof(val), 500); mutex_unlock(&priv->io_mutex); } @@ -96,7 +96,7 @@ void rtl818x_iowrite16_idx(struct rtl8187_priv *priv, usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits16, sizeof(val), HZ / 2); + &priv->io_dmabuf->bits16, sizeof(val), 500); mutex_unlock(&priv->io_mutex); } @@ -110,7 +110,7 @@ void rtl818x_iowrite32_idx(struct rtl8187_priv *priv, usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, (unsigned long)addr, idx & 0x03, - &priv->io_dmabuf->bits32, sizeof(val), HZ / 2); + &priv->io_dmabuf->bits32, sizeof(val), 500); mutex_unlock(&priv->io_mutex); } @@ -186,7 +186,7 @@ static void rtl8225_write_8051(struct ieee80211_hw *dev, u8 addr, __le16 data) usb_control_msg(priv->udev, usb_sndctrlpipe(priv->udev, 0), RTL8187_REQ_SET_REG, RTL8187_REQT_WRITE, addr, 0x8225, &priv->io_dmabuf->bits16, sizeof(data), - HZ / 2); + 500); mutex_unlock(&priv->io_mutex); diff --git a/drivers/net/wireless/rsi/rsi_91x_core.c b/drivers/net/wireless/rsi/rsi_91x_core.c index 3644d7d994638..c6c29034b2ead 100644 --- a/drivers/net/wireless/rsi/rsi_91x_core.c +++ b/drivers/net/wireless/rsi/rsi_91x_core.c @@ -400,6 +400,8 @@ void rsi_core_xmit(struct rsi_common *common, struct sk_buff *skb) info = IEEE80211_SKB_CB(skb); tx_params = (struct skb_info *)info->driver_data; + /* info->driver_data and info->control part of union so make copy */ + tx_params->have_key = !!info->control.hw_key; wh = (struct ieee80211_hdr *)&skb->data[0]; tx_params->sta_id = 0; diff --git a/drivers/net/wireless/rsi/rsi_91x_hal.c b/drivers/net/wireless/rsi/rsi_91x_hal.c index c0301cd10209c..2cb7cca4ec2d9 100644 --- a/drivers/net/wireless/rsi/rsi_91x_hal.c +++ b/drivers/net/wireless/rsi/rsi_91x_hal.c @@ -193,7 +193,7 @@ int rsi_prepare_data_desc(struct rsi_common *common, struct sk_buff *skb) wh->frame_control |= cpu_to_le16(RSI_SET_PS_ENABLE); if ((!(info->flags & IEEE80211_TX_INTFL_DONT_ENCRYPT)) && - info->control.hw_key) { + tx_params->have_key) { if (rsi_is_cipher_wep(common)) ieee80211_size += 4; else @@ -204,15 +204,17 @@ int rsi_prepare_data_desc(struct rsi_common *common, struct sk_buff *skb) RSI_WIFI_DATA_Q); data_desc->header_len = ieee80211_size; - if (common->min_rate != RSI_RATE_AUTO) { + if (common->rate_config[common->band].fixed_enabled) { /* Send fixed rate */ + u16 fixed_rate = common->rate_config[common->band].fixed_hw_rate; + data_desc->frame_info = cpu_to_le16(RATE_INFO_ENABLE); - data_desc->rate_info = cpu_to_le16(common->min_rate); + data_desc->rate_info = cpu_to_le16(fixed_rate); if (conf_is_ht40(&common->priv->hw->conf)) data_desc->bbp_info = cpu_to_le16(FULL40M_ENABLE); - if ((common->vif_info[0].sgi) && (common->min_rate & 0x100)) { + if (common->vif_info[0].sgi && (fixed_rate & 0x100)) { /* Only MCS rates */ data_desc->rate_info |= cpu_to_le16(ENABLE_SHORTGI_RATE); diff --git a/drivers/net/wireless/rsi/rsi_91x_mac80211.c b/drivers/net/wireless/rsi/rsi_91x_mac80211.c index bf52091b79182..69cd2c2c30ef9 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mac80211.c +++ b/drivers/net/wireless/rsi/rsi_91x_mac80211.c @@ -443,7 +443,6 @@ static int rsi_mac80211_add_interface(struct ieee80211_hw *hw, if ((vif->type == NL80211_IFTYPE_AP) || (vif->type == NL80211_IFTYPE_P2P_GO)) { rsi_send_rx_filter_frame(common, DISALLOW_BEACONS); - common->min_rate = RSI_RATE_AUTO; for (i = 0; i < common->max_stations; i++) common->stations[i].sta = NULL; } @@ -1143,20 +1142,32 @@ static int rsi_mac80211_set_rate_mask(struct ieee80211_hw *hw, struct ieee80211_vif *vif, const struct cfg80211_bitrate_mask *mask) { + const unsigned int mcs_offset = ARRAY_SIZE(rsi_rates); struct rsi_hw *adapter = hw->priv; struct rsi_common *common = adapter->priv; - enum nl80211_band band = hw->conf.chandef.chan->band; + int i; mutex_lock(&common->mutex); - common->fixedrate_mask[band] = 0; - if (mask->control[band].legacy == 0xfff) { - common->fixedrate_mask[band] = - (mask->control[band].ht_mcs[0] << 12); - } else { - common->fixedrate_mask[band] = - mask->control[band].legacy; + for (i = 0; i < ARRAY_SIZE(common->rate_config); i++) { + struct rsi_rate_config *cfg = &common->rate_config[i]; + u32 bm; + + bm = mask->control[i].legacy | (mask->control[i].ht_mcs[0] << mcs_offset); + if (hweight32(bm) == 1) { /* single rate */ + int rate_index = ffs(bm) - 1; + + if (rate_index < mcs_offset) + cfg->fixed_hw_rate = rsi_rates[rate_index].hw_value; + else + cfg->fixed_hw_rate = rsi_mcsrates[rate_index - mcs_offset]; + cfg->fixed_enabled = true; + } else { + cfg->configured_mask = bm; + cfg->fixed_enabled = false; + } } + mutex_unlock(&common->mutex); return 0; @@ -1292,46 +1303,6 @@ void rsi_indicate_pkt_to_os(struct rsi_common *common, ieee80211_rx_irqsafe(hw, skb); } -static void rsi_set_min_rate(struct ieee80211_hw *hw, - struct ieee80211_sta *sta, - struct rsi_common *common) -{ - u8 band = hw->conf.chandef.chan->band; - u8 ii; - u32 rate_bitmap; - bool matched = false; - - common->bitrate_mask[band] = sta->supp_rates[band]; - - rate_bitmap = (common->fixedrate_mask[band] & sta->supp_rates[band]); - - if (rate_bitmap & 0xfff) { - /* Find out the min rate */ - for (ii = 0; ii < ARRAY_SIZE(rsi_rates); ii++) { - if (rate_bitmap & BIT(ii)) { - common->min_rate = rsi_rates[ii].hw_value; - matched = true; - break; - } - } - } - - common->vif_info[0].is_ht = sta->ht_cap.ht_supported; - - if ((common->vif_info[0].is_ht) && (rate_bitmap >> 12)) { - for (ii = 0; ii < ARRAY_SIZE(rsi_mcsrates); ii++) { - if ((rate_bitmap >> 12) & BIT(ii)) { - common->min_rate = rsi_mcsrates[ii]; - matched = true; - break; - } - } - } - - if (!matched) - common->min_rate = 0xffff; -} - /** * rsi_mac80211_sta_add() - This function notifies driver about a peer getting * connected. @@ -1430,9 +1401,9 @@ static int rsi_mac80211_sta_add(struct ieee80211_hw *hw, if ((vif->type == NL80211_IFTYPE_STATION) || (vif->type == NL80211_IFTYPE_P2P_CLIENT)) { - rsi_set_min_rate(hw, sta, common); + common->bitrate_mask[common->band] = sta->supp_rates[common->band]; + common->vif_info[0].is_ht = sta->ht_cap.ht_supported; if (sta->ht_cap.ht_supported) { - common->vif_info[0].is_ht = true; common->bitrate_mask[NL80211_BAND_2GHZ] = sta->supp_rates[NL80211_BAND_2GHZ]; if ((sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20) || @@ -1506,7 +1477,6 @@ static int rsi_mac80211_sta_remove(struct ieee80211_hw *hw, bss->qos = sta->wme; common->bitrate_mask[NL80211_BAND_2GHZ] = 0; common->bitrate_mask[NL80211_BAND_5GHZ] = 0; - common->min_rate = 0xffff; common->vif_info[0].is_ht = false; common->vif_info[0].sgi = false; common->vif_info[0].seq_start = 0; diff --git a/drivers/net/wireless/rsi/rsi_91x_main.c b/drivers/net/wireless/rsi/rsi_91x_main.c index 01d99ed985eef..d90d8ab56fa28 100644 --- a/drivers/net/wireless/rsi/rsi_91x_main.c +++ b/drivers/net/wireless/rsi/rsi_91x_main.c @@ -216,9 +216,10 @@ int rsi_read_pkt(struct rsi_common *common, u8 *rx_pkt, s32 rcv_pkt_len) bt_pkt_type = frame_desc[offset + BT_RX_PKT_TYPE_OFST]; if (bt_pkt_type == BT_CARD_READY_IND) { rsi_dbg(INFO_ZONE, "BT Card ready recvd\n"); - if (rsi_bt_ops.attach(common, &g_proto_ops)) - rsi_dbg(ERR_ZONE, - "Failed to attach BT module\n"); + if (common->fsm_state == FSM_MAC_INIT_DONE) + rsi_attach_bt(common); + else + common->bt_defer_attach = true; } else { if (common->bt_adapter) rsi_bt_ops.recv_pkt(common->bt_adapter, @@ -283,6 +284,15 @@ void rsi_set_bt_context(void *priv, void *bt_context) } #endif +void rsi_attach_bt(struct rsi_common *common) +{ +#ifdef CONFIG_RSI_COEX + if (rsi_bt_ops.attach(common, &g_proto_ops)) + rsi_dbg(ERR_ZONE, + "Failed to attach BT module\n"); +#endif +} + /** * rsi_91x_init() - This function initializes os interface operations. * @void: Void. @@ -363,6 +373,7 @@ struct rsi_hw *rsi_91x_init(u16 oper_mode) if (common->coex_mode > 1) { if (rsi_coex_attach(common)) { rsi_dbg(ERR_ZONE, "Failed to init coex module\n"); + rsi_kill_thread(&common->tx_thread); goto err; } } diff --git a/drivers/net/wireless/rsi/rsi_91x_mgmt.c b/drivers/net/wireless/rsi/rsi_91x_mgmt.c index 934550a66732c..4e6acffe1f12b 100644 --- a/drivers/net/wireless/rsi/rsi_91x_mgmt.c +++ b/drivers/net/wireless/rsi/rsi_91x_mgmt.c @@ -222,7 +222,7 @@ static void rsi_set_default_parameters(struct rsi_common *common) common->channel_width = BW_20MHZ; common->rts_threshold = IEEE80211_MAX_RTS_THRESHOLD; common->channel = 1; - common->min_rate = 0xffff; + memset(&common->rate_config, 0, sizeof(common->rate_config)); common->fsm_state = FSM_CARD_NOT_READY; common->iface_down = true; common->endpoint = EP_2GHZ_20MHZ; @@ -1172,7 +1172,7 @@ static int rsi_send_auto_rate_request(struct rsi_common *common, u8 band = hw->conf.chandef.chan->band; u8 num_supported_rates = 0; u8 rate_table_offset, rate_offset = 0; - u32 rate_bitmap; + u32 rate_bitmap, configured_rates; u16 *selected_rates, min_rate; bool is_ht = false, is_sgi = false; u16 frame_len = sizeof(struct rsi_auto_rate); @@ -1222,6 +1222,10 @@ static int rsi_send_auto_rate_request(struct rsi_common *common, is_sgi = true; } + /* Limit to any rates administratively configured by cfg80211 */ + configured_rates = common->rate_config[band].configured_mask ?: 0xffffffff; + rate_bitmap &= configured_rates; + if (band == NL80211_BAND_2GHZ) { if ((rate_bitmap == 0) && (is_ht)) min_rate = RSI_RATE_MCS0; @@ -1247,10 +1251,13 @@ static int rsi_send_auto_rate_request(struct rsi_common *common, num_supported_rates = jj; if (is_ht) { - for (ii = 0; ii < ARRAY_SIZE(mcs); ii++) - selected_rates[jj++] = mcs[ii]; - num_supported_rates += ARRAY_SIZE(mcs); - rate_offset += ARRAY_SIZE(mcs); + for (ii = 0; ii < ARRAY_SIZE(mcs); ii++) { + if (configured_rates & BIT(ii + ARRAY_SIZE(rsi_rates))) { + selected_rates[jj++] = mcs[ii]; + num_supported_rates++; + rate_offset++; + } + } } sort(selected_rates, jj, sizeof(u16), &rsi_compare, NULL); @@ -1335,7 +1342,7 @@ void rsi_inform_bss_status(struct rsi_common *common, qos_enable, aid, sta_id, vif); - if (common->min_rate == 0xffff) + if (!common->rate_config[common->band].fixed_enabled) rsi_send_auto_rate_request(common, sta, sta_id, vif); if (opmode == RSI_OPMODE_STA && !(assoc_cap & WLAN_CAPABILITY_PRIVACY) && @@ -1761,6 +1768,9 @@ static int rsi_handle_ta_confirm_type(struct rsi_common *common, if (common->reinit_hw) { complete(&common->wlan_init_completion); } else { + if (common->bt_defer_attach) + rsi_attach_bt(common); + return rsi_mac80211_attach(common); } } diff --git a/drivers/net/wireless/rsi/rsi_91x_sdio.c b/drivers/net/wireless/rsi/rsi_91x_sdio.c index 609cd07eeafca..48efe83c58d89 100644 --- a/drivers/net/wireless/rsi/rsi_91x_sdio.c +++ b/drivers/net/wireless/rsi/rsi_91x_sdio.c @@ -24,10 +24,7 @@ /* Default operating mode is wlan STA + BT */ static u16 dev_oper_mode = DEV_OPMODE_STA_BT_DUAL; module_param(dev_oper_mode, ushort, 0444); -MODULE_PARM_DESC(dev_oper_mode, - "1[Wi-Fi], 4[BT], 8[BT LE], 5[Wi-Fi STA + BT classic]\n" - "9[Wi-Fi STA + BT LE], 13[Wi-Fi STA + BT classic + BT LE]\n" - "6[AP + BT classic], 14[AP + BT classic + BT LE]"); +MODULE_PARM_DESC(dev_oper_mode, DEV_OPMODE_PARAM_DESC); /** * rsi_sdio_set_cmd52_arg() - This function prepares cmd 52 read/write arg. diff --git a/drivers/net/wireless/rsi/rsi_91x_usb.c b/drivers/net/wireless/rsi/rsi_91x_usb.c index 17e50eba780d8..984f99ad40960 100644 --- a/drivers/net/wireless/rsi/rsi_91x_usb.c +++ b/drivers/net/wireless/rsi/rsi_91x_usb.c @@ -25,10 +25,7 @@ /* Default operating mode is wlan STA + BT */ static u16 dev_oper_mode = DEV_OPMODE_STA_BT_DUAL; module_param(dev_oper_mode, ushort, 0444); -MODULE_PARM_DESC(dev_oper_mode, - "1[Wi-Fi], 4[BT], 8[BT LE], 5[Wi-Fi STA + BT classic]\n" - "9[Wi-Fi STA + BT LE], 13[Wi-Fi STA + BT classic + BT LE]\n" - "6[AP + BT classic], 14[AP + BT classic + BT LE]"); +MODULE_PARM_DESC(dev_oper_mode, DEV_OPMODE_PARAM_DESC); static int rsi_rx_urb_submit(struct rsi_hw *adapter, u8 ep_num, gfp_t flags); diff --git a/drivers/net/wireless/rsi/rsi_hal.h b/drivers/net/wireless/rsi/rsi_hal.h index 327638cdd30b1..5f52ba8458be1 100644 --- a/drivers/net/wireless/rsi/rsi_hal.h +++ b/drivers/net/wireless/rsi/rsi_hal.h @@ -28,6 +28,17 @@ #define DEV_OPMODE_AP_BT 6 #define DEV_OPMODE_AP_BT_DUAL 14 +#define DEV_OPMODE_PARAM_DESC \ + __stringify(DEV_OPMODE_WIFI_ALONE) "[Wi-Fi alone], " \ + __stringify(DEV_OPMODE_BT_ALONE) "[BT classic alone], " \ + __stringify(DEV_OPMODE_BT_LE_ALONE) "[BT LE alone], " \ + __stringify(DEV_OPMODE_BT_DUAL) "[BT classic + BT LE alone], " \ + __stringify(DEV_OPMODE_STA_BT) "[Wi-Fi STA + BT classic], " \ + __stringify(DEV_OPMODE_STA_BT_LE) "[Wi-Fi STA + BT LE], " \ + __stringify(DEV_OPMODE_STA_BT_DUAL) "[Wi-Fi STA + BT classic + BT LE], " \ + __stringify(DEV_OPMODE_AP_BT) "[Wi-Fi AP + BT classic], " \ + __stringify(DEV_OPMODE_AP_BT_DUAL) "[Wi-Fi AP + BT classic + BT LE]" + #define FLASH_WRITE_CHUNK_SIZE (4 * 1024) #define FLASH_SECTOR_SIZE (4 * 1024) diff --git a/drivers/net/wireless/rsi/rsi_main.h b/drivers/net/wireless/rsi/rsi_main.h index a245559abe7c8..88523940da114 100644 --- a/drivers/net/wireless/rsi/rsi_main.h +++ b/drivers/net/wireless/rsi/rsi_main.h @@ -61,6 +61,7 @@ enum RSI_FSM_STATES { extern u32 rsi_zone_enabled; extern __printf(2, 3) void rsi_dbg(u32 zone, const char *fmt, ...); +#define RSI_MAX_BANDS 2 #define RSI_MAX_VIFS 3 #define NUM_EDCA_QUEUES 4 #define IEEE80211_ADDR_LEN 6 @@ -135,6 +136,7 @@ struct skb_info { u8 internal_hdr_size; struct ieee80211_vif *vif; u8 vap_id; + bool have_key; }; enum edca_queue { @@ -196,6 +198,12 @@ enum rsi_dfs_regions { RSI_REGION_WORLD }; +struct rsi_rate_config { + u32 configured_mask; /* configured by mac80211 bits 0-11=legacy 12+ mcs */ + u16 fixed_hw_rate; + bool fixed_enabled; +}; + struct rsi_common { struct rsi_hw *priv; struct vif_priv vif_info[RSI_MAX_VIFS]; @@ -221,8 +229,8 @@ struct rsi_common { u8 channel_width; u16 rts_threshold; - u16 bitrate_mask[2]; - u32 fixedrate_mask[2]; + u32 bitrate_mask[RSI_MAX_BANDS]; + struct rsi_rate_config rate_config[RSI_MAX_BANDS]; u8 rf_reset; struct transmit_q_stats tx_stats; @@ -243,7 +251,6 @@ struct rsi_common { u8 mac_id; u8 radio_id; u16 rate_pwr[20]; - u16 min_rate; /* WMM algo related */ u8 selected_qnum; @@ -287,6 +294,7 @@ struct rsi_common { struct ieee80211_vif *roc_vif; bool eapol4_confirm; + bool bt_defer_attach; void *bt_adapter; }; @@ -361,5 +369,6 @@ struct rsi_host_intf_ops { enum rsi_host_intf rsi_get_host_intf(void *priv); void rsi_set_bt_context(void *priv, void *bt_context); +void rsi_attach_bt(struct rsi_common *common); #endif diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index c8e84276e6397..a1c828ffac8b7 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -1442,6 +1442,10 @@ static int netfront_resume(struct xenbus_device *dev) dev_dbg(&dev->dev, "%s\n", dev->nodename); + netif_tx_lock_bh(info->netdev); + netif_device_detach(info->netdev); + netif_tx_unlock_bh(info->netdev); + xennet_disconnect_backend(info); return 0; } @@ -1990,6 +1994,10 @@ static int xennet_connect(struct net_device *dev) * domain a kick because we've probably just requeued some * packets. */ + netif_tx_lock_bh(np->netdev); + netif_device_attach(np->netdev); + netif_tx_unlock_bh(np->netdev); + netif_carrier_on(np->netdev); for (j = 0; j < num_queues; ++j) { queue = &np->queues[j]; diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c index 01da9331f4cb6..79bf8e1bd39c2 100644 --- a/drivers/nfc/pn533/pn533.c +++ b/drivers/nfc/pn533/pn533.c @@ -2084,7 +2084,7 @@ static int pn533_fill_fragment_skbs(struct pn533 *dev, struct sk_buff *skb) frag = pn533_alloc_skb(dev, frag_size); if (!frag) { skb_queue_purge(&dev->fragment_skb); - break; + return -ENOMEM; } if (!dev->tgt_mode) { @@ -2154,7 +2154,7 @@ static int pn533_transceive(struct nfc_dev *nfc_dev, /* jumbo frame ? */ if (skb->len > PN533_CMD_DATAEXCH_DATA_MAXLEN) { rc = pn533_fill_fragment_skbs(dev, skb); - if (rc <= 0) + if (rc < 0) goto error; skb = skb_dequeue(&dev->fragment_skb); @@ -2226,7 +2226,7 @@ static int pn533_tm_send(struct nfc_dev *nfc_dev, struct sk_buff *skb) /* let's split in multiple chunks if size's too big */ if (skb->len > PN533_CMD_DATAEXCH_DATA_MAXLEN) { rc = pn533_fill_fragment_skbs(dev, skb); - if (rc <= 0) + if (rc < 0) goto error; /* get the first skb */ diff --git a/drivers/nvme/host/rdma.c b/drivers/nvme/host/rdma.c index ffd6a7204509a..1f41cf80f827c 100644 --- a/drivers/nvme/host/rdma.c +++ b/drivers/nvme/host/rdma.c @@ -967,11 +967,13 @@ static int nvme_rdma_setup_ctrl(struct nvme_rdma_ctrl *ctrl, bool new) return ret; if (ctrl->ctrl.icdoff) { + ret = -EOPNOTSUPP; dev_err(ctrl->ctrl.device, "icdoff is not supported!\n"); goto destroy_admin; } if (!(ctrl->ctrl.sgls & (1 << 2))) { + ret = -EOPNOTSUPP; dev_err(ctrl->ctrl.device, "Mandatory keyed sgls are not supported!\n"); goto destroy_admin; diff --git a/drivers/pci/controller/pci-aardvark.c b/drivers/pci/controller/pci-aardvark.c index 68afd4fa7ec9e..98fb3c1f45e4d 100644 --- a/drivers/pci/controller/pci-aardvark.c +++ b/drivers/pci/controller/pci-aardvark.c @@ -99,18 +99,19 @@ #define PCIE_ISR0_MSI_INT_PENDING BIT(24) #define PCIE_ISR0_INTX_ASSERT(val) BIT(16 + (val)) #define PCIE_ISR0_INTX_DEASSERT(val) BIT(20 + (val)) -#define PCIE_ISR0_ALL_MASK GENMASK(26, 0) +#define PCIE_ISR0_ALL_MASK GENMASK(31, 0) #define PCIE_ISR1_REG (CONTROL_BASE_ADDR + 0x48) #define PCIE_ISR1_MASK_REG (CONTROL_BASE_ADDR + 0x4C) #define PCIE_ISR1_POWER_STATE_CHANGE BIT(4) #define PCIE_ISR1_FLUSH BIT(5) #define PCIE_ISR1_INTX_ASSERT(val) BIT(8 + (val)) -#define PCIE_ISR1_ALL_MASK GENMASK(11, 4) +#define PCIE_ISR1_ALL_MASK GENMASK(31, 0) #define PCIE_MSI_ADDR_LOW_REG (CONTROL_BASE_ADDR + 0x50) #define PCIE_MSI_ADDR_HIGH_REG (CONTROL_BASE_ADDR + 0x54) #define PCIE_MSI_STATUS_REG (CONTROL_BASE_ADDR + 0x58) #define PCIE_MSI_MASK_REG (CONTROL_BASE_ADDR + 0x5C) #define PCIE_MSI_PAYLOAD_REG (CONTROL_BASE_ADDR + 0x9C) +#define PCIE_MSI_DATA_MASK GENMASK(15, 0) /* LMI registers base address and register offsets */ #define LMI_BASE_ADDR 0x6000 @@ -150,7 +151,7 @@ #define PCIE_IRQ_MSI_INT2_DET BIT(21) #define PCIE_IRQ_RC_DBELL_DET BIT(22) #define PCIE_IRQ_EP_STATUS BIT(23) -#define PCIE_IRQ_ALL_MASK 0xfff0fb +#define PCIE_IRQ_ALL_MASK GENMASK(31, 0) #define PCIE_IRQ_ENABLE_INTS_MASK PCIE_IRQ_CORE_INT /* Transaction types */ @@ -403,7 +404,7 @@ static int advk_pcie_check_pio_status(struct advk_pcie *pcie, u32 *val) else str_posted = "Posted"; - dev_err(dev, "%s PIO Response Status: %s, %#x @ %#x\n", + dev_dbg(dev, "%s PIO Response Status: %s, %#x @ %#x\n", str_posted, strcomp_status, reg, advk_readl(pcie, PIO_ADDR_LS)); return -EFAULT; @@ -627,7 +628,7 @@ static int advk_msi_irq_domain_alloc(struct irq_domain *domain, domain->host_data, handle_simple_irq, NULL, NULL); - return hwirq; + return 0; } static void advk_msi_irq_domain_free(struct irq_domain *domain, @@ -805,8 +806,12 @@ static void advk_pcie_handle_msi(struct advk_pcie *pcie) if (!(BIT(msi_idx) & msi_status)) continue; + /* + * msi_idx contains bits [4:0] of the msi_data and msi_data + * contains 16bit MSI interrupt number + */ advk_writel(pcie, BIT(msi_idx), PCIE_MSI_STATUS_REG); - msi_data = advk_readl(pcie, PCIE_MSI_PAYLOAD_REG) & 0xFF; + msi_data = advk_readl(pcie, PCIE_MSI_PAYLOAD_REG) & PCIE_MSI_DATA_MASK; generic_handle_irq(msi_data); } @@ -828,12 +833,6 @@ static void advk_pcie_handle_int(struct advk_pcie *pcie) isr1_mask = advk_readl(pcie, PCIE_ISR1_MASK_REG); isr1_status = isr1_val & ((~isr1_mask) & PCIE_ISR1_ALL_MASK); - if (!isr0_status && !isr1_status) { - advk_writel(pcie, isr0_val, PCIE_ISR0_REG); - advk_writel(pcie, isr1_val, PCIE_ISR1_REG); - return; - } - /* Process MSI interrupts */ if (isr0_status & PCIE_ISR0_MSI_INT_PENDING) advk_pcie_handle_msi(pcie); diff --git a/drivers/pci/msi.c b/drivers/pci/msi.c index f65800d63856b..d42c84a2d2eba 100644 --- a/drivers/pci/msi.c +++ b/drivers/pci/msi.c @@ -372,18 +372,6 @@ static void free_msi_irqs(struct pci_dev *dev) for (i = 0; i < entry->nvec_used; i++) BUG_ON(irq_has_action(entry->irq + i)); - pci_msi_teardown_msi_irqs(dev); - - list_for_each_entry_safe(entry, tmp, msi_list, list) { - if (entry->msi_attrib.is_msix) { - if (list_is_last(&entry->list, msi_list)) - iounmap(entry->mask_base); - } - - list_del(&entry->list); - free_msi_entry(entry); - } - if (dev->msi_irq_groups) { sysfs_remove_groups(&dev->dev.kobj, dev->msi_irq_groups); msi_attrs = dev->msi_irq_groups[0]->attrs; @@ -399,6 +387,18 @@ static void free_msi_irqs(struct pci_dev *dev) kfree(dev->msi_irq_groups); dev->msi_irq_groups = NULL; } + + pci_msi_teardown_msi_irqs(dev); + + list_for_each_entry_safe(entry, tmp, msi_list, list) { + if (entry->msi_attrib.is_msix) { + if (list_is_last(&entry->list, msi_list)) + iounmap(entry->mask_base); + } + + list_del(&entry->list); + free_msi_entry(entry); + } } static void pci_intx_for_msi(struct pci_dev *dev, int enable) @@ -569,6 +569,9 @@ msi_setup_entry(struct pci_dev *dev, int nvec, const struct irq_affinity *affd) goto out; pci_read_config_word(dev, dev->msi_cap + PCI_MSI_FLAGS, &control); + /* Lies, damned lies, and MSIs */ + if (dev->dev_flags & PCI_DEV_FLAGS_HAS_MSI_MASKING) + control |= PCI_MSI_FLAGS_MASKBIT; entry->msi_attrib.is_msix = 0; entry->msi_attrib.is_64 = !!(control & PCI_MSI_FLAGS_64BIT); diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c index 4eb8900b9a5cd..315e96ba651a2 100644 --- a/drivers/pci/quirks.c +++ b/drivers/pci/quirks.c @@ -3490,6 +3490,7 @@ DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0032, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003c, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0033, quirk_no_bus_reset); DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x0034, quirk_no_bus_reset); +DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_ATHEROS, 0x003e, quirk_no_bus_reset); /* * Root port on some Cavium CN8xxx chips do not successfully complete a bus @@ -5578,3 +5579,9 @@ static void apex_pci_fixup_class(struct pci_dev *pdev) } DECLARE_PCI_FIXUP_CLASS_HEADER(0x1ac1, 0x089a, PCI_CLASS_NOT_DEFINED, 8, apex_pci_fixup_class); + +static void nvidia_ion_ahci_fixup(struct pci_dev *pdev) +{ + pdev->dev_flags |= PCI_DEV_FLAGS_HAS_MSI_MASKING; +} +DECLARE_PCI_FIXUP_FINAL(PCI_VENDOR_ID_NVIDIA, 0x0ab8, nvidia_ion_ahci_fixup); diff --git a/drivers/phy/qualcomm/phy-qcom-qusb2.c b/drivers/phy/qualcomm/phy-qcom-qusb2.c index 9b7ae93e9df1e..901f525c86e2b 100644 --- a/drivers/phy/qualcomm/phy-qcom-qusb2.c +++ b/drivers/phy/qualcomm/phy-qcom-qusb2.c @@ -395,7 +395,7 @@ static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy) { struct device *dev = &qphy->phy->dev; const struct qusb2_phy_cfg *cfg = qphy->cfg; - u8 *val; + u8 *val, hstx_trim; /* efuse register is optional */ if (!qphy->cell) @@ -409,7 +409,13 @@ static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy) * set while configuring the phy. */ val = nvmem_cell_read(qphy->cell, NULL); - if (IS_ERR(val) || !val[0]) { + if (IS_ERR(val)) { + dev_dbg(dev, "failed to read a valid hs-tx trim value\n"); + return; + } + hstx_trim = val[0]; + kfree(val); + if (!hstx_trim) { dev_dbg(dev, "failed to read a valid hs-tx trim value\n"); return; } @@ -417,12 +423,10 @@ static void qusb2_phy_set_tune2_param(struct qusb2_phy *qphy) /* Fused TUNE1/2 value is the higher nibble only */ if (cfg->update_tune1_with_efuse) qusb2_write_mask(qphy->base, cfg->regs[QUSB2PHY_PORT_TUNE1], - val[0] << HSTX_TRIM_SHIFT, - HSTX_TRIM_MASK); + hstx_trim << HSTX_TRIM_SHIFT, HSTX_TRIM_MASK); else qusb2_write_mask(qphy->base, cfg->regs[QUSB2PHY_PORT_TUNE2], - val[0] << HSTX_TRIM_SHIFT, - HSTX_TRIM_MASK); + hstx_trim << HSTX_TRIM_SHIFT, HSTX_TRIM_MASK); } static int qusb2_phy_set_mode(struct phy *phy, enum phy_mode mode) diff --git a/drivers/pinctrl/core.c b/drivers/pinctrl/core.c index 76638dee65d94..a8148460f99f1 100644 --- a/drivers/pinctrl/core.c +++ b/drivers/pinctrl/core.c @@ -2038,6 +2038,8 @@ int pinctrl_enable(struct pinctrl_dev *pctldev) if (error) { dev_err(pctldev->dev, "could not claim hogs: %i\n", error); + pinctrl_free_pindescs(pctldev, pctldev->desc->pins, + pctldev->desc->npins); mutex_destroy(&pctldev->mutex); kfree(pctldev); diff --git a/drivers/platform/x86/hp_accel.c b/drivers/platform/x86/hp_accel.c index 9c3c83ef445bf..075332c6890d0 100644 --- a/drivers/platform/x86/hp_accel.c +++ b/drivers/platform/x86/hp_accel.c @@ -383,9 +383,11 @@ static int lis3lv02d_add(struct acpi_device *device) INIT_WORK(&hpled_led.work, delayed_set_status_worker); ret = led_classdev_register(NULL, &hpled_led.led_classdev); if (ret) { + i8042_remove_filter(hp_accel_i8042_filter); lis3lv02d_joystick_disable(&lis3_dev); lis3lv02d_poweroff(&lis3_dev); flush_work(&hpled_led.work); + lis3lv02d_remove_fs(&lis3_dev); return ret; } diff --git a/drivers/platform/x86/thinkpad_acpi.c b/drivers/platform/x86/thinkpad_acpi.c index 35c7d3185fea3..fa8bcbe3d2762 100644 --- a/drivers/platform/x86/thinkpad_acpi.c +++ b/drivers/platform/x86/thinkpad_acpi.c @@ -9124,7 +9124,7 @@ static int fan_write_cmd_level(const char *cmd, int *rc) if (strlencmp(cmd, "level auto") == 0) level = TP_EC_FAN_AUTO; - else if ((strlencmp(cmd, "level disengaged") == 0) | + else if ((strlencmp(cmd, "level disengaged") == 0) || (strlencmp(cmd, "level full-speed") == 0)) level = TP_EC_FAN_FULLSPEED; else if (sscanf(cmd, "level %d", &level) != 1) diff --git a/drivers/platform/x86/wmi.c b/drivers/platform/x86/wmi.c index 35cdc3998eb59..387358af685c5 100644 --- a/drivers/platform/x86/wmi.c +++ b/drivers/platform/x86/wmi.c @@ -350,7 +350,14 @@ static acpi_status __query_block(struct wmi_block *wblock, u8 instance, * the WQxx method failed - we should disable collection anyway. */ if ((block->flags & ACPI_WMI_EXPENSIVE) && ACPI_SUCCESS(wc_status)) { - status = acpi_execute_simple_method(handle, wc_method, 0); + /* + * Ignore whether this WCxx call succeeds or not since + * the previously executed WQxx method call might have + * succeeded, and returning the failing status code + * of this call would throw away the result of the WQxx + * call, potentially leaking memory. + */ + acpi_execute_simple_method(handle, wc_method, 0); } return status; diff --git a/drivers/power/supply/bq27xxx_battery_i2c.c b/drivers/power/supply/bq27xxx_battery_i2c.c index 40069128ad44f..06dd5077104cc 100644 --- a/drivers/power/supply/bq27xxx_battery_i2c.c +++ b/drivers/power/supply/bq27xxx_battery_i2c.c @@ -195,7 +195,8 @@ static int bq27xxx_battery_i2c_probe(struct i2c_client *client, dev_err(&client->dev, "Unable to register IRQ %d error %d\n", client->irq, ret); - return ret; + bq27xxx_battery_teardown(di); + goto err_failed; } } diff --git a/drivers/power/supply/max17042_battery.c b/drivers/power/supply/max17042_battery.c index a1518eb6f6c0d..33fbb0fc952b4 100644 --- a/drivers/power/supply/max17042_battery.c +++ b/drivers/power/supply/max17042_battery.c @@ -326,7 +326,10 @@ static int max17042_get_property(struct power_supply *psy, val->intval = data * 625 / 8; break; case POWER_SUPPLY_PROP_CAPACITY: - ret = regmap_read(map, MAX17042_RepSOC, &data); + if (chip->pdata->enable_current_sense) + ret = regmap_read(map, MAX17042_RepSOC, &data); + else + ret = regmap_read(map, MAX17042_VFSOC, &data); if (ret < 0) return ret; @@ -848,7 +851,8 @@ static void max17042_set_soc_threshold(struct max17042_chip *chip, u16 off) regmap_read(map, MAX17042_RepSOC, &soc); soc >>= 8; soc_tr = (soc + off) << 8; - soc_tr |= (soc - off); + if (off < soc) + soc_tr |= soc - off; regmap_write(map, MAX17042_SALRT_Th, soc_tr); } diff --git a/drivers/power/supply/rt5033_battery.c b/drivers/power/supply/rt5033_battery.c index 9310b85f3405e..7eec7014086d8 100644 --- a/drivers/power/supply/rt5033_battery.c +++ b/drivers/power/supply/rt5033_battery.c @@ -63,7 +63,7 @@ static int rt5033_battery_get_watt_prop(struct i2c_client *client, regmap_read(battery->regmap, regh, &msb); regmap_read(battery->regmap, regl, &lsb); - ret = ((msb << 4) + (lsb >> 4)) * 1250 / 1000; + ret = ((msb << 4) + (lsb >> 4)) * 1250; return ret; } diff --git a/drivers/regulator/s5m8767.c b/drivers/regulator/s5m8767.c index 7ff94695eee72..4818df3f8ec91 100644 --- a/drivers/regulator/s5m8767.c +++ b/drivers/regulator/s5m8767.c @@ -849,18 +849,15 @@ static int s5m8767_pmic_probe(struct platform_device *pdev) /* DS4 GPIO */ gpio_direction_output(pdata->buck_ds[2], 0x0); - if (pdata->buck2_gpiodvs || pdata->buck3_gpiodvs || - pdata->buck4_gpiodvs) { - regmap_update_bits(s5m8767->iodev->regmap_pmic, - S5M8767_REG_BUCK2CTRL, 1 << 1, - (pdata->buck2_gpiodvs) ? (1 << 1) : (0 << 1)); - regmap_update_bits(s5m8767->iodev->regmap_pmic, - S5M8767_REG_BUCK3CTRL, 1 << 1, - (pdata->buck3_gpiodvs) ? (1 << 1) : (0 << 1)); - regmap_update_bits(s5m8767->iodev->regmap_pmic, - S5M8767_REG_BUCK4CTRL, 1 << 1, - (pdata->buck4_gpiodvs) ? (1 << 1) : (0 << 1)); - } + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK2CTRL, 1 << 1, + (pdata->buck2_gpiodvs) ? (1 << 1) : (0 << 1)); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK3CTRL, 1 << 1, + (pdata->buck3_gpiodvs) ? (1 << 1) : (0 << 1)); + regmap_update_bits(s5m8767->iodev->regmap_pmic, + S5M8767_REG_BUCK4CTRL, 1 << 1, + (pdata->buck4_gpiodvs) ? (1 << 1) : (0 << 1)); /* Initialize GPIO DVS registers */ for (i = 0; i < 8; i++) { diff --git a/drivers/s390/char/tape_std.c b/drivers/s390/char/tape_std.c index 1f5fab617b679..f7e75d9fedf61 100644 --- a/drivers/s390/char/tape_std.c +++ b/drivers/s390/char/tape_std.c @@ -53,7 +53,6 @@ int tape_std_assign(struct tape_device *device) { int rc; - struct timer_list timeout; struct tape_request *request; request = tape_alloc_request(2, 11); @@ -70,7 +69,7 @@ tape_std_assign(struct tape_device *device) * So we set up a timeout for this call. */ timer_setup(&request->timer, tape_std_assign_timeout, 0); - mod_timer(&timeout, jiffies + 2 * HZ); + mod_timer(&request->timer, jiffies + msecs_to_jiffies(2000)); rc = tape_do_io_interruptible(device, request); diff --git a/drivers/s390/cio/css.c b/drivers/s390/cio/css.c index 6efe50d70c4bf..10e8b3b156f05 100644 --- a/drivers/s390/cio/css.c +++ b/drivers/s390/cio/css.c @@ -371,8 +371,8 @@ static ssize_t dev_busid_show(struct device *dev, struct subchannel *sch = to_subchannel(dev); struct pmcw *pmcw = &sch->schib.pmcw; - if ((pmcw->st == SUBCHANNEL_TYPE_IO || - pmcw->st == SUBCHANNEL_TYPE_MSG) && pmcw->dnv) + if ((pmcw->st == SUBCHANNEL_TYPE_IO && pmcw->dnv) || + (pmcw->st == SUBCHANNEL_TYPE_MSG && pmcw->w)) return sysfs_emit(buf, "0.%x.%04x\n", sch->schid.ssid, pmcw->dev); else diff --git a/drivers/scsi/advansys.c b/drivers/scsi/advansys.c index 713f69033f201..2856b0ce7ab9a 100644 --- a/drivers/scsi/advansys.c +++ b/drivers/scsi/advansys.c @@ -3370,8 +3370,8 @@ static void asc_prt_adv_board_info(struct seq_file *m, struct Scsi_Host *shost) shost->host_no); seq_printf(m, - " iop_base 0x%lx, cable_detect: %X, err_code %u\n", - (unsigned long)v->iop_base, + " iop_base 0x%p, cable_detect: %X, err_code %u\n", + v->iop_base, AdvReadWordRegister(iop_base,IOPW_SCSI_CFG1) & CABLE_DETECT, v->err_code); diff --git a/drivers/scsi/csiostor/csio_lnode.c b/drivers/scsi/csiostor/csio_lnode.c index a8e29e3d35726..98944fb3f0b85 100644 --- a/drivers/scsi/csiostor/csio_lnode.c +++ b/drivers/scsi/csiostor/csio_lnode.c @@ -619,7 +619,7 @@ csio_ln_vnp_read_cbfn(struct csio_hw *hw, struct csio_mb *mbp) struct fc_els_csp *csp; struct fc_els_cssp *clsp; enum fw_retval retval; - __be32 nport_id; + __be32 nport_id = 0; retval = FW_CMD_RETVAL_G(ntohl(rsp->alloc_to_len16)); if (retval != FW_SUCCESS) { diff --git a/drivers/scsi/dc395x.c b/drivers/scsi/dc395x.c index 3943347ec3c7c..16b9dc2fff6bd 100644 --- a/drivers/scsi/dc395x.c +++ b/drivers/scsi/dc395x.c @@ -4805,6 +4805,7 @@ static int dc395x_init_one(struct pci_dev *dev, const struct pci_device_id *id) /* initialise the adapter and everything we need */ if (adapter_init(acb, io_port_base, io_port_len, irq)) { dprintkl(KERN_INFO, "adapter init failed\n"); + acb = NULL; goto fail; } diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c index 40d6537e64dd6..e72fc88aeb40e 100644 --- a/drivers/scsi/lpfc/lpfc_sli.c +++ b/drivers/scsi/lpfc/lpfc_sli.c @@ -19171,6 +19171,7 @@ lpfc_drain_txq(struct lpfc_hba *phba) fail_msg, piocbq->iotag, piocbq->sli4_xritag); list_add_tail(&piocbq->list, &completions); + fail_msg = NULL; } spin_unlock_irqrestore(&pring->ring_lock, iflags); } diff --git a/drivers/scsi/qla2xxx/qla_gbl.h b/drivers/scsi/qla2xxx/qla_gbl.h index b8e4abe804d5d..5b98a00bfc178 100644 --- a/drivers/scsi/qla2xxx/qla_gbl.h +++ b/drivers/scsi/qla2xxx/qla_gbl.h @@ -144,7 +144,6 @@ extern int ql2xasynctmfenable; extern int ql2xgffidenable; extern int ql2xenabledif; extern int ql2xenablehba_err_chk; -extern int ql2xtargetreset; extern int ql2xdontresethba; extern uint64_t ql2xmaxlun; extern int ql2xmdcapmask; @@ -754,7 +753,6 @@ extern void qlafx00_abort_iocb(srb_t *, struct abort_iocb_entry_fx00 *); extern void qlafx00_fxdisc_iocb(srb_t *, struct fxdisc_entry_fx00 *); extern void qlafx00_timer_routine(scsi_qla_host_t *); extern int qlafx00_rescan_isp(scsi_qla_host_t *); -extern int qlafx00_loop_reset(scsi_qla_host_t *vha); /* qla82xx related functions */ diff --git a/drivers/scsi/qla2xxx/qla_init.c b/drivers/scsi/qla2xxx/qla_init.c index 2ebf4e4e02344..613e5467b4bc2 100644 --- a/drivers/scsi/qla2xxx/qla_init.c +++ b/drivers/scsi/qla2xxx/qla_init.c @@ -797,8 +797,6 @@ qla24xx_async_gnl_sp_done(void *s, int res) sp->name, res, sp->u.iocb_cmd.u.mbx.in_mb[1], sp->u.iocb_cmd.u.mbx.in_mb[2]); - if (res == QLA_FUNCTION_TIMEOUT) - return; sp->fcport->flags &= ~(FCF_ASYNC_SENT|FCF_ASYNC_ACTIVE); memset(&ea, 0, sizeof(ea)); @@ -837,8 +835,8 @@ qla24xx_async_gnl_sp_done(void *s, int res) spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); list_for_each_entry_safe(fcport, tf, &h, gnl_entry) { - list_del_init(&fcport->gnl_entry); spin_lock_irqsave(&vha->hw->tgt.sess_lock, flags); + list_del_init(&fcport->gnl_entry); fcport->flags &= ~(FCF_ASYNC_SENT | FCF_ASYNC_ACTIVE); spin_unlock_irqrestore(&vha->hw->tgt.sess_lock, flags); ea.fcport = fcport; diff --git a/drivers/scsi/qla2xxx/qla_mr.c b/drivers/scsi/qla2xxx/qla_mr.c index 521a513705549..0c00aaea9768b 100644 --- a/drivers/scsi/qla2xxx/qla_mr.c +++ b/drivers/scsi/qla2xxx/qla_mr.c @@ -739,29 +739,6 @@ qlafx00_lun_reset(fc_port_t *fcport, uint64_t l, int tag) return qla2x00_async_tm_cmd(fcport, TCF_LUN_RESET, l, tag); } -int -qlafx00_loop_reset(scsi_qla_host_t *vha) -{ - int ret; - struct fc_port *fcport; - struct qla_hw_data *ha = vha->hw; - - if (ql2xtargetreset) { - list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (fcport->port_type != FCT_TARGET) - continue; - - ret = ha->isp_ops->target_reset(fcport, 0, 0); - if (ret != QLA_SUCCESS) { - ql_dbg(ql_dbg_taskm, vha, 0x803d, - "Bus Reset failed: Reset=%d " - "d_id=%x.\n", ret, fcport->d_id.b24); - } - } - } - return QLA_SUCCESS; -} - int qlafx00_iospace_config(struct qla_hw_data *ha) { diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c index 7cbdd32a238d4..207af1d5ed292 100644 --- a/drivers/scsi/qla2xxx/qla_os.c +++ b/drivers/scsi/qla2xxx/qla_os.c @@ -188,12 +188,6 @@ MODULE_PARM_DESC(ql2xdbwr, " 0 -- Regular doorbell.\n" " 1 -- CAMRAM doorbell (faster).\n"); -int ql2xtargetreset = 1; -module_param(ql2xtargetreset, int, S_IRUGO); -MODULE_PARM_DESC(ql2xtargetreset, - "Enable target reset." - "Default is 1 - use hw defaults."); - int ql2xgffidenable; module_param(ql2xgffidenable, int, S_IRUGO); MODULE_PARM_DESC(ql2xgffidenable, @@ -1662,27 +1656,10 @@ int qla2x00_loop_reset(scsi_qla_host_t *vha) { int ret; - struct fc_port *fcport; struct qla_hw_data *ha = vha->hw; - if (IS_QLAFX00(ha)) { - return qlafx00_loop_reset(vha); - } - - if (ql2xtargetreset == 1 && ha->flags.enable_target_reset) { - list_for_each_entry(fcport, &vha->vp_fcports, list) { - if (fcport->port_type != FCT_TARGET) - continue; - - ret = ha->isp_ops->target_reset(fcport, 0, 0); - if (ret != QLA_SUCCESS) { - ql_dbg(ql_dbg_taskm, vha, 0x802c, - "Bus Reset failed: Reset=%d " - "d_id=%x.\n", ret, fcport->d_id.b24); - } - } - } - + if (IS_QLAFX00(ha)) + return QLA_SUCCESS; if (ha->flags.enable_lip_full_login && !IS_CNA_CAPABLE(ha)) { atomic_set(&vha->loop_state, LOOP_DOWN); diff --git a/drivers/scsi/qla2xxx/qla_target.c b/drivers/scsi/qla2xxx/qla_target.c index ec54c8f34bc84..5fbac85d7adfb 100644 --- a/drivers/scsi/qla2xxx/qla_target.c +++ b/drivers/scsi/qla2xxx/qla_target.c @@ -3216,8 +3216,7 @@ int qlt_xmit_response(struct qla_tgt_cmd *cmd, int xmit_type, "RESET-RSP online/active/old-count/new-count = %d/%d/%d/%d.\n", vha->flags.online, qla2x00_reset_active(vha), cmd->reset_count, qpair->chip_reset); - spin_unlock_irqrestore(qpair->qp_lock_ptr, flags); - return 0; + goto out_unmap_unlock; } /* Does F/W have an IOCBs for this request */ @@ -3339,10 +3338,6 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) prm.sg = NULL; prm.req_cnt = 1; - /* Calculate number of entries and segments required */ - if (qlt_pci_map_calc_cnt(&prm) != 0) - return -EAGAIN; - if (!qpair->fw_started || (cmd->reset_count != qpair->chip_reset) || (cmd->sess && cmd->sess->deleted)) { /* @@ -3358,6 +3353,10 @@ int qlt_rdy_to_xfer(struct qla_tgt_cmd *cmd) return 0; } + /* Calculate number of entries and segments required */ + if (qlt_pci_map_calc_cnt(&prm) != 0) + return -EAGAIN; + spin_lock_irqsave(qpair->qp_lock_ptr, flags); /* Does F/W have an IOCBs for this request */ res = qlt_check_reserve_free_req(qpair, prm.req_cnt); @@ -3785,9 +3784,6 @@ void qlt_free_cmd(struct qla_tgt_cmd *cmd) BUG_ON(cmd->cmd_in_wq); - if (cmd->sg_mapped) - qlt_unmap_sg(cmd->vha, cmd); - if (!cmd->q_full) qlt_decr_num_pend_cmds(cmd->vha); diff --git a/drivers/sh/maple/maple.c b/drivers/sh/maple/maple.c index e5d7fb81ad665..44a931d41a132 100644 --- a/drivers/sh/maple/maple.c +++ b/drivers/sh/maple/maple.c @@ -835,8 +835,10 @@ static int __init maple_bus_init(void) maple_queue_cache = KMEM_CACHE(maple_buffer, SLAB_HWCACHE_ALIGN); - if (!maple_queue_cache) + if (!maple_queue_cache) { + retval = -ENOMEM; goto cleanup_bothirqs; + } INIT_LIST_HEAD(&maple_waitq); INIT_LIST_HEAD(&maple_sentq); @@ -849,6 +851,7 @@ static int __init maple_bus_init(void) if (!mdev[i]) { while (i-- > 0) maple_free_dev(mdev[i]); + retval = -ENOMEM; goto cleanup_cache; } baseunits[i] = mdev[i]; diff --git a/drivers/soc/tegra/pmc.c b/drivers/soc/tegra/pmc.c index f17a678154047..c1880f88a22b5 100644 --- a/drivers/soc/tegra/pmc.c +++ b/drivers/soc/tegra/pmc.c @@ -396,7 +396,7 @@ static int tegra_powergate_power_up(struct tegra_powergate *pg, err = tegra_powergate_enable_clocks(pg); if (err) - goto disable_clks; + goto powergate_off; usleep_range(10, 20); @@ -408,7 +408,7 @@ static int tegra_powergate_power_up(struct tegra_powergate *pg, err = reset_control_deassert(pg->reset); if (err) - goto powergate_off; + goto disable_clks; usleep_range(10, 20); diff --git a/drivers/spi/spi-bcm-qspi.c b/drivers/spi/spi-bcm-qspi.c index 4ee92f7ca20bd..b2fd7a3691964 100644 --- a/drivers/spi/spi-bcm-qspi.c +++ b/drivers/spi/spi-bcm-qspi.c @@ -1305,7 +1305,7 @@ int bcm_qspi_probe(struct platform_device *pdev, &qspi->dev_ids[val]); if (ret < 0) { dev_err(&pdev->dev, "IRQ %s not found\n", name); - goto qspi_probe_err; + goto qspi_unprepare_err; } qspi->dev_ids[val].dev = qspi; @@ -1320,7 +1320,7 @@ int bcm_qspi_probe(struct platform_device *pdev, if (!num_ints) { dev_err(&pdev->dev, "no IRQs registered, cannot init driver\n"); ret = -EINVAL; - goto qspi_probe_err; + goto qspi_unprepare_err; } /* @@ -1371,6 +1371,7 @@ int bcm_qspi_probe(struct platform_device *pdev, qspi_reg_err: bcm_qspi_hw_uninit(qspi); +qspi_unprepare_err: clk_disable_unprepare(qspi->clk); qspi_probe_err: kfree(qspi->dev_ids); diff --git a/drivers/spi/spi-pl022.c b/drivers/spi/spi-pl022.c index 1af8c96b940e2..aa04ff6e01b9d 100644 --- a/drivers/spi/spi-pl022.c +++ b/drivers/spi/spi-pl022.c @@ -1703,12 +1703,13 @@ static int verify_controller_parameters(struct pl022 *pl022, return -EINVAL; } } else { - if (chip_info->duplex != SSP_MICROWIRE_CHANNEL_FULL_DUPLEX) + if (chip_info->duplex != SSP_MICROWIRE_CHANNEL_FULL_DUPLEX) { dev_err(&pl022->adev->dev, "Microwire half duplex mode requested," " but this is only available in the" " ST version of PL022\n"); - return -EINVAL; + return -EINVAL; + } } } return 0; diff --git a/drivers/staging/erofs/unzip_pagevec.h b/drivers/staging/erofs/unzip_pagevec.h index 23856ba2742d8..efbf541e11bb8 100644 --- a/drivers/staging/erofs/unzip_pagevec.h +++ b/drivers/staging/erofs/unzip_pagevec.h @@ -118,12 +118,17 @@ static inline bool z_erofs_pagevec_ctor_enqueue(struct z_erofs_pagevec_ctor *ctor, struct page *page, enum z_erofs_page_type type, - bool *occupied) + bool pvec_safereuse) { - *occupied = false; - if (unlikely(ctor->next == NULL && type)) - if (ctor->index + 1 == ctor->nr) + if (!ctor->next) { + /* some pages cannot be reused as pvec safely without I/O */ + if (type == Z_EROFS_PAGE_TYPE_EXCLUSIVE && !pvec_safereuse) + type = Z_EROFS_VLE_PAGE_TYPE_TAIL_SHARED; + + if (type != Z_EROFS_PAGE_TYPE_EXCLUSIVE && + ctor->index + 1 == ctor->nr) return false; + } if (unlikely(ctor->index >= ctor->nr)) z_erofs_pagevec_ctor_pagedown(ctor, false); @@ -135,7 +140,6 @@ z_erofs_pagevec_ctor_enqueue(struct z_erofs_pagevec_ctor *ctor, /* should remind that collector->next never equal to 1, 2 */ if (type == (uintptr_t)ctor->next) { ctor->next = page; - *occupied = true; } ctor->pages[ctor->index++] = diff --git a/drivers/staging/erofs/unzip_vle.c b/drivers/staging/erofs/unzip_vle.c index 0f1558c6747ef..83e4d9384bd2d 100644 --- a/drivers/staging/erofs/unzip_vle.c +++ b/drivers/staging/erofs/unzip_vle.c @@ -228,13 +228,12 @@ static inline bool try_to_reuse_as_compressed_page( } /* callers must be with work->lock held */ -static int z_erofs_vle_work_add_page( - struct z_erofs_vle_work_builder *builder, - struct page *page, - enum z_erofs_page_type type) +static int z_erofs_vle_work_add_page(struct z_erofs_vle_work_builder *builder, + struct page *page, + enum z_erofs_page_type type, + bool pvec_safereuse) { int ret; - bool occupied; /* give priority for the compressed data storage */ if (builder->role >= Z_EROFS_VLE_WORK_PRIMARY && @@ -242,10 +241,9 @@ static int z_erofs_vle_work_add_page( try_to_reuse_as_compressed_page(builder, page)) return 0; - ret = z_erofs_pagevec_ctor_enqueue(&builder->vector, - page, type, &occupied); + ret = z_erofs_pagevec_ctor_enqueue(&builder->vector, page, type, + pvec_safereuse); builder->work->vcnt += (unsigned)ret; - return ret ? 0 : -EAGAIN; } @@ -690,14 +688,15 @@ hitted: tight &= builder_is_followed(builder); retry: - err = z_erofs_vle_work_add_page(builder, page, page_type); + err = z_erofs_vle_work_add_page(builder, page, page_type, + builder_is_followed(builder)); /* should allocate an additional staging page for pagevec */ if (err == -EAGAIN) { struct page *const newpage = __stagingpage_alloc(page_pool, GFP_NOFS); err = z_erofs_vle_work_add_page(builder, - newpage, Z_EROFS_PAGE_TYPE_EXCLUSIVE); + newpage, Z_EROFS_PAGE_TYPE_EXCLUSIVE, true); if (likely(!err)) goto retry; } diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c index e46ca968009c0..804956c712a5a 100644 --- a/drivers/target/target_core_alua.c +++ b/drivers/target/target_core_alua.c @@ -1716,7 +1716,6 @@ int core_alua_set_tg_pt_gp_id( pr_err("Maximum ALUA alua_tg_pt_gps_count:" " 0x0000ffff reached\n"); spin_unlock(&dev->t10_alua.tg_pt_gps_lock); - kmem_cache_free(t10_alua_tg_pt_gp_cache, tg_pt_gp); return -ENOSPC; } again: diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c index 22e97a93728db..1b381519c1649 100644 --- a/drivers/target/target_core_device.c +++ b/drivers/target/target_core_device.c @@ -790,6 +790,8 @@ struct se_device *target_alloc_device(struct se_hba *hba, const char *name) INIT_LIST_HEAD(&dev->t10_alua.lba_map_list); spin_lock_init(&dev->t10_alua.lba_map_lock); + INIT_WORK(&dev->delayed_cmd_work, target_do_delayed_work); + dev->t10_wwn.t10_dev = dev; dev->t10_alua.t10_dev = dev; diff --git a/drivers/target/target_core_internal.h b/drivers/target/target_core_internal.h index 0c66355879301..c7e1fadcc5cc5 100644 --- a/drivers/target/target_core_internal.h +++ b/drivers/target/target_core_internal.h @@ -151,6 +151,7 @@ void transport_clear_lun_ref(struct se_lun *); void transport_send_task_abort(struct se_cmd *); sense_reason_t target_cmd_size_check(struct se_cmd *cmd, unsigned int size); void target_qf_do_work(struct work_struct *work); +void target_do_delayed_work(struct work_struct *work); bool target_check_wce(struct se_device *dev); bool target_check_fua(struct se_device *dev); void __target_execute_cmd(struct se_cmd *, bool); diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c index 9c60a090cfd17..64481a3a34d44 100644 --- a/drivers/target/target_core_transport.c +++ b/drivers/target/target_core_transport.c @@ -1990,32 +1990,35 @@ static bool target_handle_task_attr(struct se_cmd *cmd) */ switch (cmd->sam_task_attr) { case TCM_HEAD_TAG: + atomic_inc_mb(&dev->non_ordered); pr_debug("Added HEAD_OF_QUEUE for CDB: 0x%02x\n", cmd->t_task_cdb[0]); return false; case TCM_ORDERED_TAG: - atomic_inc_mb(&dev->dev_ordered_sync); + atomic_inc_mb(&dev->delayed_cmd_count); pr_debug("Added ORDERED for CDB: 0x%02x to ordered list\n", cmd->t_task_cdb[0]); - - /* - * Execute an ORDERED command if no other older commands - * exist that need to be completed first. - */ - if (!atomic_read(&dev->simple_cmds)) - return false; break; default: /* * For SIMPLE and UNTAGGED Task Attribute commands */ - atomic_inc_mb(&dev->simple_cmds); + atomic_inc_mb(&dev->non_ordered); + + if (atomic_read(&dev->delayed_cmd_count) == 0) + return false; break; } - if (atomic_read(&dev->dev_ordered_sync) == 0) - return false; + if (cmd->sam_task_attr != TCM_ORDERED_TAG) { + atomic_inc_mb(&dev->delayed_cmd_count); + /* + * We will account for this when we dequeue from the delayed + * list. + */ + atomic_dec_mb(&dev->non_ordered); + } spin_lock(&dev->delayed_cmd_lock); list_add_tail(&cmd->se_delayed_node, &dev->delayed_cmd_list); @@ -2023,6 +2026,12 @@ static bool target_handle_task_attr(struct se_cmd *cmd) pr_debug("Added CDB: 0x%02x Task Attr: 0x%02x to delayed CMD listn", cmd->t_task_cdb[0], cmd->sam_task_attr); + /* + * We may have no non ordered cmds when this function started or we + * could have raced with the last simple/head cmd completing, so kick + * the delayed handler here. + */ + schedule_work(&dev->delayed_cmd_work); return true; } @@ -2073,29 +2082,48 @@ EXPORT_SYMBOL(target_execute_cmd); * Process all commands up to the last received ORDERED task attribute which * requires another blocking boundary */ -static void target_restart_delayed_cmds(struct se_device *dev) +void target_do_delayed_work(struct work_struct *work) { - for (;;) { + struct se_device *dev = container_of(work, struct se_device, + delayed_cmd_work); + + spin_lock(&dev->delayed_cmd_lock); + while (!dev->ordered_sync_in_progress) { struct se_cmd *cmd; - spin_lock(&dev->delayed_cmd_lock); - if (list_empty(&dev->delayed_cmd_list)) { - spin_unlock(&dev->delayed_cmd_lock); + if (list_empty(&dev->delayed_cmd_list)) break; - } cmd = list_entry(dev->delayed_cmd_list.next, struct se_cmd, se_delayed_node); + + if (cmd->sam_task_attr == TCM_ORDERED_TAG) { + /* + * Check if we started with: + * [ordered] [simple] [ordered] + * and we are now at the last ordered so we have to wait + * for the simple cmd. + */ + if (atomic_read(&dev->non_ordered) > 0) + break; + + dev->ordered_sync_in_progress = true; + } + list_del(&cmd->se_delayed_node); + atomic_dec_mb(&dev->delayed_cmd_count); spin_unlock(&dev->delayed_cmd_lock); + if (cmd->sam_task_attr != TCM_ORDERED_TAG) + atomic_inc_mb(&dev->non_ordered); + cmd->transport_state |= CMD_T_SENT; __target_execute_cmd(cmd, true); - if (cmd->sam_task_attr == TCM_ORDERED_TAG) - break; + spin_lock(&dev->delayed_cmd_lock); } + spin_unlock(&dev->delayed_cmd_lock); } /* @@ -2113,14 +2141,17 @@ static void transport_complete_task_attr(struct se_cmd *cmd) goto restart; if (cmd->sam_task_attr == TCM_SIMPLE_TAG) { - atomic_dec_mb(&dev->simple_cmds); + atomic_dec_mb(&dev->non_ordered); dev->dev_cur_ordered_id++; } else if (cmd->sam_task_attr == TCM_HEAD_TAG) { + atomic_dec_mb(&dev->non_ordered); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for HEAD_OF_QUEUE\n", dev->dev_cur_ordered_id); } else if (cmd->sam_task_attr == TCM_ORDERED_TAG) { - atomic_dec_mb(&dev->dev_ordered_sync); + spin_lock(&dev->delayed_cmd_lock); + dev->ordered_sync_in_progress = false; + spin_unlock(&dev->delayed_cmd_lock); dev->dev_cur_ordered_id++; pr_debug("Incremented dev_cur_ordered_id: %u for ORDERED\n", @@ -2129,7 +2160,8 @@ static void transport_complete_task_attr(struct se_cmd *cmd) cmd->se_cmd_flags &= ~SCF_TASK_ATTR_SET; restart: - target_restart_delayed_cmds(dev); + if (atomic_read(&dev->delayed_cmd_count) > 0) + schedule_work(&dev->delayed_cmd_work); } static void transport_complete_qf(struct se_cmd *cmd) diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c index 284e8d052fc3c..c73d0eddd9b8d 100644 --- a/drivers/tty/serial/8250/8250_dw.c +++ b/drivers/tty/serial/8250/8250_dw.c @@ -769,7 +769,7 @@ static struct platform_driver dw8250_platform_driver = { .name = "dw-apb-uart", .pm = &dw8250_pm_ops, .of_match_table = dw8250_of_match, - .acpi_match_table = ACPI_PTR(dw8250_acpi_match), + .acpi_match_table = dw8250_acpi_match, }, .probe = dw8250_probe, .remove = dw8250_remove, diff --git a/drivers/tty/serial/serial_core.c b/drivers/tty/serial/serial_core.c index 80fa06b16d9d7..5ed1327d284f9 100644 --- a/drivers/tty/serial/serial_core.c +++ b/drivers/tty/serial/serial_core.c @@ -219,7 +219,11 @@ static int uart_port_startup(struct tty_struct *tty, struct uart_state *state, if (retval == 0) { if (uart_console(uport) && uport->cons->cflag) { tty->termios.c_cflag = uport->cons->cflag; + tty->termios.c_ispeed = uport->cons->ispeed; + tty->termios.c_ospeed = uport->cons->ospeed; uport->cons->cflag = 0; + uport->cons->ispeed = 0; + uport->cons->ospeed = 0; } /* * Initialise the hardware port settings. @@ -287,8 +291,11 @@ static void uart_shutdown(struct tty_struct *tty, struct uart_state *state) /* * Turn off DTR and RTS early. */ - if (uport && uart_console(uport) && tty) + if (uport && uart_console(uport) && tty) { uport->cons->cflag = tty->termios.c_cflag; + uport->cons->ispeed = tty->termios.c_ispeed; + uport->cons->ospeed = tty->termios.c_ospeed; + } if (!tty || C_HUPCL(tty)) uart_port_dtr_rts(uport, 0); @@ -2062,8 +2069,11 @@ uart_set_options(struct uart_port *port, struct console *co, * Allow the setting of the UART parameters with a NULL console * too: */ - if (co) + if (co) { co->cflag = termios.c_cflag; + co->ispeed = termios.c_ispeed; + co->ospeed = termios.c_ospeed; + } return 0; } @@ -2197,6 +2207,8 @@ int uart_resume_port(struct uart_driver *drv, struct uart_port *uport) */ memset(&termios, 0, sizeof(struct ktermios)); termios.c_cflag = uport->cons->cflag; + termios.c_ispeed = uport->cons->ispeed; + termios.c_ospeed = uport->cons->ospeed; /* * If that's unset, use the tty termios setting. diff --git a/drivers/tty/serial/xilinx_uartps.c b/drivers/tty/serial/xilinx_uartps.c index 23f9b0cdff086..c22bd40fc6f0b 100644 --- a/drivers/tty/serial/xilinx_uartps.c +++ b/drivers/tty/serial/xilinx_uartps.c @@ -591,9 +591,10 @@ static void cdns_uart_start_tx(struct uart_port *port) if (uart_circ_empty(&port->state->xmit)) return; + writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_ISR); + cdns_uart_handle_tx(port); - writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_ISR); /* Enable the TX Empty interrupt */ writel(CDNS_UART_IXR_TXEMPTY, port->membase + CDNS_UART_IER); } diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c index ee3aa57bc0e7b..6b0cb633679d9 100644 --- a/drivers/tty/tty_buffer.c +++ b/drivers/tty/tty_buffer.c @@ -529,6 +529,9 @@ static void flush_to_ldisc(struct work_struct *work) if (!count) break; head->read += count; + + if (need_resched()) + cond_resched(); } mutex_unlock(&buf->lock); diff --git a/drivers/usb/chipidea/core.c b/drivers/usb/chipidea/core.c index befd9235bcad8..c13f9a153a5c6 100644 --- a/drivers/usb/chipidea/core.c +++ b/drivers/usb/chipidea/core.c @@ -532,7 +532,7 @@ int hw_device_reset(struct ci_hdrc *ci) return 0; } -static irqreturn_t ci_irq(int irq, void *data) +static irqreturn_t ci_irq_handler(int irq, void *data) { struct ci_hdrc *ci = data; irqreturn_t ret = IRQ_NONE; @@ -585,6 +585,15 @@ static irqreturn_t ci_irq(int irq, void *data) return ret; } +static void ci_irq(struct ci_hdrc *ci) +{ + unsigned long flags; + + local_irq_save(flags); + ci_irq_handler(ci->irq, ci); + local_irq_restore(flags); +} + static int ci_cable_notifier(struct notifier_block *nb, unsigned long event, void *ptr) { @@ -594,7 +603,7 @@ static int ci_cable_notifier(struct notifier_block *nb, unsigned long event, cbl->connected = event; cbl->changed = true; - ci_irq(ci->irq, ci); + ci_irq(ci); return NOTIFY_DONE; } @@ -1048,7 +1057,7 @@ static int ci_hdrc_probe(struct platform_device *pdev) } } - ret = devm_request_irq(dev, ci->irq, ci_irq, IRQF_SHARED, + ret = devm_request_irq(dev, ci->irq, ci_irq_handler, IRQF_SHARED, ci->platdata->name, ci); if (ret) goto stop; @@ -1170,11 +1179,11 @@ static void ci_extcon_wakeup_int(struct ci_hdrc *ci) if (!IS_ERR(cable_id->edev) && ci->is_otg && (otgsc & OTGSC_IDIE) && (otgsc & OTGSC_IDIS)) - ci_irq(ci->irq, ci); + ci_irq(ci); if (!IS_ERR(cable_vbus->edev) && ci->is_otg && (otgsc & OTGSC_BSVIE) && (otgsc & OTGSC_BSVIS)) - ci_irq(ci->irq, ci); + ci_irq(ci); } static int ci_controller_resume(struct device *dev) diff --git a/drivers/usb/gadget/legacy/hid.c b/drivers/usb/gadget/legacy/hid.c index 5b27d289443fe..3912cc805f3af 100644 --- a/drivers/usb/gadget/legacy/hid.c +++ b/drivers/usb/gadget/legacy/hid.c @@ -99,8 +99,10 @@ static int do_config(struct usb_configuration *c) list_for_each_entry(e, &hidg_func_list, node) { e->f = usb_get_function(e->fi); - if (IS_ERR(e->f)) + if (IS_ERR(e->f)) { + status = PTR_ERR(e->f); goto put; + } status = usb_add_function(c, e->f); if (status < 0) { usb_put_function(e->f); diff --git a/drivers/usb/host/max3421-hcd.c b/drivers/usb/host/max3421-hcd.c index 16efe37b7558c..507ef3acbf0c1 100644 --- a/drivers/usb/host/max3421-hcd.c +++ b/drivers/usb/host/max3421-hcd.c @@ -125,8 +125,6 @@ struct max3421_hcd { struct task_struct *spi_thread; - struct max3421_hcd *next; - enum max3421_rh_state rh_state; /* lower 16 bits contain port status, upper 16 bits the change mask: */ u32 port_status; @@ -174,8 +172,6 @@ struct max3421_ep { u8 retransmit; /* packet needs retransmission */ }; -static struct max3421_hcd *max3421_hcd_list; - #define MAX3421_FIFO_SIZE 64 #define MAX3421_SPI_DIR_RD 0 /* read register from MAX3421 */ @@ -1899,9 +1895,8 @@ max3421_probe(struct spi_device *spi) } set_bit(HCD_FLAG_POLL_RH, &hcd->flags); max3421_hcd = hcd_to_max3421(hcd); - max3421_hcd->next = max3421_hcd_list; - max3421_hcd_list = max3421_hcd; INIT_LIST_HEAD(&max3421_hcd->ep_list); + spi_set_drvdata(spi, max3421_hcd); max3421_hcd->tx = kmalloc(sizeof(*max3421_hcd->tx), GFP_KERNEL); if (!max3421_hcd->tx) @@ -1951,28 +1946,18 @@ error: static int max3421_remove(struct spi_device *spi) { - struct max3421_hcd *max3421_hcd = NULL, **prev; - struct usb_hcd *hcd = NULL; + struct max3421_hcd *max3421_hcd; + struct usb_hcd *hcd; unsigned long flags; - for (prev = &max3421_hcd_list; *prev; prev = &(*prev)->next) { - max3421_hcd = *prev; - hcd = max3421_to_hcd(max3421_hcd); - if (hcd->self.controller == &spi->dev) - break; - } - if (!max3421_hcd) { - dev_err(&spi->dev, "no MAX3421 HCD found for SPI device %p\n", - spi); - return -ENODEV; - } + max3421_hcd = spi_get_drvdata(spi); + hcd = max3421_to_hcd(max3421_hcd); usb_remove_hcd(hcd); spin_lock_irqsave(&max3421_hcd->lock, flags); kthread_stop(max3421_hcd->spi_thread); - *prev = max3421_hcd->next; spin_unlock_irqrestore(&max3421_hcd->lock, flags); diff --git a/drivers/usb/host/ohci-tmio.c b/drivers/usb/host/ohci-tmio.c index 983a00e2988dc..702d78e0d903a 100644 --- a/drivers/usb/host/ohci-tmio.c +++ b/drivers/usb/host/ohci-tmio.c @@ -196,7 +196,7 @@ static int ohci_hcd_tmio_drv_probe(struct platform_device *dev) if (usb_disabled()) return -ENODEV; - if (!cell) + if (!cell || !regs || !config || !sram) return -EINVAL; if (irq < 0) diff --git a/drivers/usb/host/xhci-hub.c b/drivers/usb/host/xhci-hub.c index 9143e74b70512..224d0bdda82ff 100644 --- a/drivers/usb/host/xhci-hub.c +++ b/drivers/usb/host/xhci-hub.c @@ -171,7 +171,6 @@ static void xhci_common_hub_descriptor(struct xhci_hcd *xhci, { u16 temp; - desc->bPwrOn2PwrGood = 10; /* xhci section 5.4.9 says 20ms max */ desc->bHubContrCurrent = 0; desc->bNbrPorts = ports; @@ -206,6 +205,7 @@ static void xhci_usb2_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci, desc->bDescriptorType = USB_DT_HUB; temp = 1 + (ports / 8); desc->bDescLength = USB_DT_HUB_NONVAR_SIZE + 2 * temp; + desc->bPwrOn2PwrGood = 10; /* xhci section 5.4.8 says 20ms */ /* The Device Removable bits are reported on a byte granularity. * If the port doesn't exist within that byte, the bit is set to 0. @@ -258,6 +258,7 @@ static void xhci_usb3_hub_descriptor(struct usb_hcd *hcd, struct xhci_hcd *xhci, xhci_common_hub_descriptor(xhci, desc, ports); desc->bDescriptorType = USB_DT_SS_HUB; desc->bDescLength = USB_DT_SS_HUB_SIZE; + desc->bPwrOn2PwrGood = 50; /* usb 3.1 may fail if less than 100ms */ /* header decode latency should be zero for roothubs, * see section 4.23.5.2. diff --git a/drivers/usb/misc/iowarrior.c b/drivers/usb/misc/iowarrior.c index 9c1ca20d4139d..07d6bc63be969 100644 --- a/drivers/usb/misc/iowarrior.c +++ b/drivers/usb/misc/iowarrior.c @@ -103,10 +103,6 @@ struct iowarrior { /* globals */ /*--------------*/ -/* - * USB spec identifies 5 second timeouts. - */ -#define GET_TIMEOUT 5 #define USB_REQ_GET_REPORT 0x01 //#if 0 static int usb_get_report(struct usb_device *dev, @@ -118,7 +114,7 @@ static int usb_get_report(struct usb_device *dev, USB_DIR_IN | USB_TYPE_CLASS | USB_RECIP_INTERFACE, (type << 8) + id, inter->desc.bInterfaceNumber, buf, size, - GET_TIMEOUT*HZ); + USB_CTRL_GET_TIMEOUT); } //#endif @@ -133,7 +129,7 @@ static int usb_set_report(struct usb_interface *intf, unsigned char type, USB_TYPE_CLASS | USB_RECIP_INTERFACE, (type << 8) + id, intf->cur_altsetting->desc.bInterfaceNumber, buf, - size, HZ); + size, 1000); } /*---------------------*/ diff --git a/drivers/usb/musb/tusb6010.c b/drivers/usb/musb/tusb6010.c index 4ecfbf6bb1fa8..902507da8aa85 100644 --- a/drivers/usb/musb/tusb6010.c +++ b/drivers/usb/musb/tusb6010.c @@ -1103,6 +1103,11 @@ static int tusb_musb_init(struct musb *musb) /* dma address for async dma */ mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!mem) { + pr_debug("no async dma resource?\n"); + ret = -ENODEV; + goto done; + } musb->async = mem->start; /* dma address for sync dma */ diff --git a/drivers/usb/serial/keyspan.c b/drivers/usb/serial/keyspan.c index aa3dbce22cfbe..451759f38b573 100644 --- a/drivers/usb/serial/keyspan.c +++ b/drivers/usb/serial/keyspan.c @@ -2910,22 +2910,22 @@ static int keyspan_port_probe(struct usb_serial_port *port) for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) { p_priv->in_buffer[i] = kzalloc(IN_BUFLEN, GFP_KERNEL); if (!p_priv->in_buffer[i]) - goto err_in_buffer; + goto err_free_in_buffer; } for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) { p_priv->out_buffer[i] = kzalloc(OUT_BUFLEN, GFP_KERNEL); if (!p_priv->out_buffer[i]) - goto err_out_buffer; + goto err_free_out_buffer; } p_priv->inack_buffer = kzalloc(INACK_BUFLEN, GFP_KERNEL); if (!p_priv->inack_buffer) - goto err_inack_buffer; + goto err_free_out_buffer; p_priv->outcont_buffer = kzalloc(OUTCONT_BUFLEN, GFP_KERNEL); if (!p_priv->outcont_buffer) - goto err_outcont_buffer; + goto err_free_inack_buffer; p_priv->device_details = d_details; @@ -2971,15 +2971,14 @@ static int keyspan_port_probe(struct usb_serial_port *port) return 0; -err_outcont_buffer: +err_free_inack_buffer: kfree(p_priv->inack_buffer); -err_inack_buffer: +err_free_out_buffer: for (i = 0; i < ARRAY_SIZE(p_priv->out_buffer); ++i) kfree(p_priv->out_buffer[i]); -err_out_buffer: +err_free_in_buffer: for (i = 0; i < ARRAY_SIZE(p_priv->in_buffer); ++i) kfree(p_priv->in_buffer[i]); -err_in_buffer: kfree(p_priv); return -ENOMEM; diff --git a/drivers/usb/typec/tps6598x.c b/drivers/usb/typec/tps6598x.c index 987b8fcfb2aae..a4dd23a8f1954 100644 --- a/drivers/usb/typec/tps6598x.c +++ b/drivers/usb/typec/tps6598x.c @@ -93,7 +93,7 @@ tps6598x_block_read(struct tps6598x *tps, u8 reg, void *val, size_t len) u8 data[TPS_MAX_LEN + 1]; int ret; - if (WARN_ON(len + 1 > sizeof(data))) + if (len + 1 > sizeof(data)) return -EINVAL; if (!tps->i2c_protocol) diff --git a/drivers/video/backlight/backlight.c b/drivers/video/backlight/backlight.c index deb824bef6e21..e2caea41c6278 100644 --- a/drivers/video/backlight/backlight.c +++ b/drivers/video/backlight/backlight.c @@ -610,12 +610,6 @@ struct backlight_device *of_find_backlight(struct device *dev) of_node_put(np); if (!bd) return ERR_PTR(-EPROBE_DEFER); - /* - * Note: gpio_backlight uses brightness as - * power state during probe - */ - if (!bd->props.brightness) - bd->props.brightness = bd->props.max_brightness; } } diff --git a/drivers/video/backlight/gpio_backlight.c b/drivers/video/backlight/gpio_backlight.c index e470da95d806f..51c49f03ed835 100644 --- a/drivers/video/backlight/gpio_backlight.c +++ b/drivers/video/backlight/gpio_backlight.c @@ -62,13 +62,11 @@ static int gpio_backlight_probe_dt(struct platform_device *pdev, { struct device *dev = &pdev->dev; struct device_node *np = dev->of_node; - enum gpiod_flags flags; int ret; gbl->def_value = of_property_read_bool(np, "default-on"); - flags = gbl->def_value ? GPIOD_OUT_HIGH : GPIOD_OUT_LOW; - gbl->gpiod = devm_gpiod_get(dev, NULL, flags); + gbl->gpiod = devm_gpiod_get(dev, NULL, GPIOD_ASIS); if (IS_ERR(gbl->gpiod)) { ret = PTR_ERR(gbl->gpiod); @@ -82,6 +80,22 @@ static int gpio_backlight_probe_dt(struct platform_device *pdev, return 0; } +static int gpio_backlight_initial_power_state(struct gpio_backlight *gbl) +{ + struct device_node *node = gbl->dev->of_node; + + /* Not booted with device tree or no phandle link to the node */ + if (!node || !node->phandle) + return gbl->def_value ? FB_BLANK_UNBLANK : FB_BLANK_POWERDOWN; + + /* if the enable GPIO is disabled, do not enable the backlight */ + if (gpiod_get_value_cansleep(gbl->gpiod) == 0) + return FB_BLANK_POWERDOWN; + + return FB_BLANK_UNBLANK; +} + + static int gpio_backlight_probe(struct platform_device *pdev) { struct gpio_backlight_platform_data *pdata = @@ -142,7 +156,9 @@ static int gpio_backlight_probe(struct platform_device *pdev) return PTR_ERR(bl); } - bl->props.brightness = gbl->def_value; + bl->props.power = gpio_backlight_initial_power_state(gbl); + bl->props.brightness = 1; + backlight_update_status(bl); platform_set_drvdata(pdev, bl); diff --git a/drivers/video/console/sticon.c b/drivers/video/console/sticon.c index 79c9bd8d30254..559a7305cadaa 100644 --- a/drivers/video/console/sticon.c +++ b/drivers/video/console/sticon.c @@ -291,13 +291,13 @@ static unsigned long sticon_getxy(struct vc_data *conp, unsigned long pos, static u8 sticon_build_attr(struct vc_data *conp, u8 color, u8 intens, u8 blink, u8 underline, u8 reverse, u8 italic) { - u8 attr = ((color & 0x70) >> 1) | ((color & 7)); + u8 fg = color & 7; + u8 bg = (color & 0x70) >> 4; - if (reverse) { - color = ((color >> 3) & 0x7) | ((color & 0x7) << 3); - } - - return attr; + if (reverse) + return (fg << 3) | bg; + else + return (bg << 3) | fg; } static void sticon_invert_region(struct vc_data *conp, u16 *p, int count) diff --git a/drivers/video/fbdev/chipsfb.c b/drivers/video/fbdev/chipsfb.c index f9b366d175875..413b465e69d8e 100644 --- a/drivers/video/fbdev/chipsfb.c +++ b/drivers/video/fbdev/chipsfb.c @@ -332,7 +332,7 @@ static const struct fb_var_screeninfo chipsfb_var = { static void init_chips(struct fb_info *p, unsigned long addr) { - memset(p->screen_base, 0, 0x100000); + fb_memset(p->screen_base, 0, 0x100000); p->fix = chipsfb_fix; p->fix.smem_start = addr; diff --git a/drivers/watchdog/Kconfig b/drivers/watchdog/Kconfig index fa7f4c61524d9..92fdc7dc2ede5 100644 --- a/drivers/watchdog/Kconfig +++ b/drivers/watchdog/Kconfig @@ -1524,7 +1524,7 @@ config SIBYTE_WDOG config AR7_WDT tristate "TI AR7 Watchdog Timer" - depends on AR7 || (MIPS && COMPILE_TEST) + depends on AR7 || (MIPS && 32BIT && COMPILE_TEST) help Hardware driver for the TI AR7 Watchdog Timer. diff --git a/drivers/watchdog/f71808e_wdt.c b/drivers/watchdog/f71808e_wdt.c index 5d0ea419070dc..6b751d1aab084 100644 --- a/drivers/watchdog/f71808e_wdt.c +++ b/drivers/watchdog/f71808e_wdt.c @@ -237,15 +237,17 @@ static int watchdog_set_timeout(int timeout) mutex_lock(&watchdog.lock); - watchdog.timeout = timeout; if (timeout > 0xff) { watchdog.timer_val = DIV_ROUND_UP(timeout, 60); watchdog.minutes_mode = true; + timeout = watchdog.timer_val * 60; } else { watchdog.timer_val = timeout; watchdog.minutes_mode = false; } + watchdog.timeout = timeout; + mutex_unlock(&watchdog.lock); return 0; diff --git a/drivers/watchdog/omap_wdt.c b/drivers/watchdog/omap_wdt.c index cbd752f9ac563..7376ba56cdf2e 100644 --- a/drivers/watchdog/omap_wdt.c +++ b/drivers/watchdog/omap_wdt.c @@ -272,8 +272,12 @@ static int omap_wdt_probe(struct platform_device *pdev) wdev->wdog.bootstatus = WDIOF_CARDRESET; } - if (!early_enable) + if (early_enable) { + omap_wdt_start(&wdev->wdog); + set_bit(WDOG_HW_RUNNING, &wdev->wdog.status); + } else { omap_wdt_disable(wdev); + } ret = watchdog_register_device(&wdev->wdog); if (ret) { diff --git a/drivers/xen/balloon.c b/drivers/xen/balloon.c index 19906020eb145..4f4a47ae72b11 100644 --- a/drivers/xen/balloon.c +++ b/drivers/xen/balloon.c @@ -58,6 +58,7 @@ #include #include #include +#include #include #include @@ -75,6 +76,12 @@ #include #include +#undef MODULE_PARAM_PREFIX +#define MODULE_PARAM_PREFIX "xen." + +static uint __read_mostly balloon_boot_timeout = 180; +module_param(balloon_boot_timeout, uint, 0444); + static int xen_hotplug_unpopulated; #ifdef CONFIG_XEN_BALLOON_MEMORY_HOTPLUG @@ -130,12 +137,12 @@ static struct ctl_table xen_root[] = { * BP_ECANCELED: error, balloon operation canceled. */ -enum bp_state { +static enum bp_state { BP_DONE, BP_WAIT, BP_EAGAIN, BP_ECANCELED -}; +} balloon_state = BP_DONE; /* Main waiting point for xen-balloon thread. */ static DECLARE_WAIT_QUEUE_HEAD(balloon_thread_wq); @@ -206,18 +213,15 @@ static struct page *balloon_next_page(struct page *page) return list_entry(next, struct page, lru); } -static enum bp_state update_schedule(enum bp_state state) +static void update_schedule(void) { - if (state == BP_WAIT) - return BP_WAIT; - - if (state == BP_ECANCELED) - return BP_ECANCELED; + if (balloon_state == BP_WAIT || balloon_state == BP_ECANCELED) + return; - if (state == BP_DONE) { + if (balloon_state == BP_DONE) { balloon_stats.schedule_delay = 1; balloon_stats.retry_count = 1; - return BP_DONE; + return; } ++balloon_stats.retry_count; @@ -226,7 +230,8 @@ static enum bp_state update_schedule(enum bp_state state) balloon_stats.retry_count > balloon_stats.max_retry_count) { balloon_stats.schedule_delay = 1; balloon_stats.retry_count = 1; - return BP_ECANCELED; + balloon_state = BP_ECANCELED; + return; } balloon_stats.schedule_delay <<= 1; @@ -234,7 +239,7 @@ static enum bp_state update_schedule(enum bp_state state) if (balloon_stats.schedule_delay > balloon_stats.max_schedule_delay) balloon_stats.schedule_delay = balloon_stats.max_schedule_delay; - return BP_EAGAIN; + balloon_state = BP_EAGAIN; } #ifdef CONFIG_XEN_BALLOON_MEMORY_HOTPLUG @@ -511,9 +516,9 @@ static enum bp_state decrease_reservation(unsigned long nr_pages, gfp_t gfp) * Stop waiting if either state is BP_DONE and ballooning action is * needed, or if the credit has changed while state is not BP_DONE. */ -static bool balloon_thread_cond(enum bp_state state, long credit) +static bool balloon_thread_cond(long credit) { - if (state == BP_DONE) + if (balloon_state == BP_DONE) credit = 0; return current_credit() != credit || kthread_should_stop(); @@ -527,13 +532,12 @@ static bool balloon_thread_cond(enum bp_state state, long credit) */ static int balloon_thread(void *unused) { - enum bp_state state = BP_DONE; long credit; unsigned long timeout; set_freezable(); for (;;) { - switch (state) { + switch (balloon_state) { case BP_DONE: case BP_ECANCELED: timeout = 3600 * HZ; @@ -549,7 +553,7 @@ static int balloon_thread(void *unused) credit = current_credit(); wait_event_freezable_timeout(balloon_thread_wq, - balloon_thread_cond(state, credit), timeout); + balloon_thread_cond(credit), timeout); if (kthread_should_stop()) return 0; @@ -560,22 +564,23 @@ static int balloon_thread(void *unused) if (credit > 0) { if (balloon_is_inflated()) - state = increase_reservation(credit); + balloon_state = increase_reservation(credit); else - state = reserve_additional_memory(); + balloon_state = reserve_additional_memory(); } if (credit < 0) { long n_pages; n_pages = min(-credit, si_mem_available()); - state = decrease_reservation(n_pages, GFP_BALLOON); - if (state == BP_DONE && n_pages != -credit && + balloon_state = decrease_reservation(n_pages, + GFP_BALLOON); + if (balloon_state == BP_DONE && n_pages != -credit && n_pages < totalreserve_pages) - state = BP_EAGAIN; + balloon_state = BP_EAGAIN; } - state = update_schedule(state); + update_schedule(); mutex_unlock(&balloon_mutex); @@ -784,3 +789,38 @@ static int __init balloon_init(void) return 0; } subsys_initcall(balloon_init); + +static int __init balloon_wait_finish(void) +{ + long credit, last_credit = 0; + unsigned long last_changed = 0; + + if (!xen_domain()) + return -ENODEV; + + /* PV guests don't need to wait. */ + if (xen_pv_domain() || !current_credit()) + return 0; + + pr_notice("Waiting for initial ballooning down having finished.\n"); + + while ((credit = current_credit()) < 0) { + if (credit != last_credit) { + last_changed = jiffies; + last_credit = credit; + } + if (balloon_state == BP_ECANCELED) { + pr_warn_once("Initial ballooning failed, %ld pages need to be freed.\n", + -credit); + if (jiffies - last_changed >= HZ * balloon_boot_timeout) + panic("Initial ballooning failed!\n"); + } + + schedule_timeout_interruptible(HZ / 10); + } + + pr_notice("Initial ballooning down finished.\n"); + + return 0; +} +late_initcall_sync(balloon_wait_finish); diff --git a/drivers/xen/xen-pciback/conf_space_capability.c b/drivers/xen/xen-pciback/conf_space_capability.c index e5694133ebe57..42f0f64fcba47 100644 --- a/drivers/xen/xen-pciback/conf_space_capability.c +++ b/drivers/xen/xen-pciback/conf_space_capability.c @@ -160,7 +160,7 @@ static void *pm_ctrl_init(struct pci_dev *dev, int offset) } out: - return ERR_PTR(err); + return err ? ERR_PTR(err) : NULL; } static const struct config_field caplist_pm[] = { diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c index f79c0cb7697ac..21f8f475c894e 100644 --- a/fs/btrfs/async-thread.c +++ b/fs/btrfs/async-thread.c @@ -270,6 +270,13 @@ static void run_ordered_work(struct __btrfs_workqueue *wq, ordered_list); if (!test_bit(WORK_DONE_BIT, &work->flags)) break; + /* + * Orders all subsequent loads after reading WORK_DONE_BIT, + * paired with the smp_mb__before_atomic in btrfs_work_helper + * this guarantees that the ordered function will see all + * updates from ordinary work function. + */ + smp_rmb(); /* * we are going to call the ordered done function, but @@ -355,6 +362,13 @@ static void normal_work_helper(struct btrfs_work *work) thresh_exec_hook(wq); work->func(work); if (need_order) { + /* + * Ensures all memory accesses done in the work function are + * ordered before setting the WORK_DONE_BIT. Ensuring the thread + * which is going to executed the ordered work sees them. + * Pairs with the smp_rmb in run_ordered_work. + */ + smp_mb__before_atomic(); set_bit(WORK_DONE_BIT, &work->flags); run_ordered_work(wq, work); } diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index cb21ffd3bba7c..c326535d5a80a 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -3095,7 +3095,8 @@ retry_root_backup: goto fail_sysfs; } - if (!sb_rdonly(sb) && !btrfs_check_rw_degradable(fs_info, NULL)) { + if (!sb_rdonly(sb) && fs_info->fs_devices->missing_devices && + !btrfs_check_rw_degradable(fs_info, NULL)) { btrfs_warn(fs_info, "writeable mount is not allowed due to too many missing devices"); goto fail_sysfs; diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c index c856c32cc926c..1f5facdd19dca 100644 --- a/fs/btrfs/tree-log.c +++ b/fs/btrfs/tree-log.c @@ -2412,7 +2412,9 @@ again: else { ret = find_dir_range(log, path, dirid, key_type, &range_start, &range_end); - if (ret != 0) + if (ret < 0) + goto out; + else if (ret > 0) break; } diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 6cb4896256106..8f05e6a472c32 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -1051,8 +1051,10 @@ static void btrfs_close_one_device(struct btrfs_device *device) if (device->devid == BTRFS_DEV_REPLACE_DEVID) clear_bit(BTRFS_DEV_STATE_REPLACE_TGT, &device->dev_state); - if (test_bit(BTRFS_DEV_STATE_MISSING, &device->dev_state)) + if (test_bit(BTRFS_DEV_STATE_MISSING, &device->dev_state)) { + clear_bit(BTRFS_DEV_STATE_MISSING, &device->dev_state); fs_devices->missing_devices--; + } btrfs_close_bdev(device); diff --git a/fs/ext4/super.c b/fs/ext4/super.c index 9ae3b6dd72fe8..fab2092856a27 100644 --- a/fs/ext4/super.c +++ b/fs/ext4/super.c @@ -3026,8 +3026,8 @@ static int ext4_run_li_request(struct ext4_li_request *elr) struct ext4_group_desc *gdp = NULL; ext4_group_t group, ngroups; struct super_block *sb; - unsigned long timeout = 0; int ret = 0; + u64 start_time; sb = elr->lr_super; ngroups = EXT4_SB(sb)->s_groups_count; @@ -3047,13 +3047,12 @@ static int ext4_run_li_request(struct ext4_li_request *elr) ret = 1; if (!ret) { - timeout = jiffies; + start_time = ktime_get_real_ns(); ret = ext4_init_inode_table(sb, group, elr->lr_timeout ? 0 : 1); if (elr->lr_timeout == 0) { - timeout = (jiffies - timeout) * - elr->lr_sbi->s_li_wait_mult; - elr->lr_timeout = timeout; + elr->lr_timeout = nsecs_to_jiffies((ktime_get_real_ns() - start_time) * + elr->lr_sbi->s_li_wait_mult); } elr->lr_next_sched = jiffies + elr->lr_timeout; elr->lr_next_group = group + 1; diff --git a/fs/f2fs/inode.c b/fs/f2fs/inode.c index a01be7d8db867..15ff5d9b8c056 100644 --- a/fs/f2fs/inode.c +++ b/fs/f2fs/inode.c @@ -454,7 +454,7 @@ make_now: inode->i_op = &f2fs_dir_inode_operations; inode->i_fop = &f2fs_dir_operations; inode->i_mapping->a_ops = &f2fs_dblock_aops; - inode_nohighmem(inode); + mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); } else if (S_ISLNK(inode->i_mode)) { if (f2fs_encrypted_inode(inode)) inode->i_op = &f2fs_encrypted_symlink_inode_operations; diff --git a/fs/f2fs/namei.c b/fs/f2fs/namei.c index edc80855974ac..9e4c38481830d 100644 --- a/fs/f2fs/namei.c +++ b/fs/f2fs/namei.c @@ -656,7 +656,7 @@ static int f2fs_mkdir(struct inode *dir, struct dentry *dentry, umode_t mode) inode->i_op = &f2fs_dir_inode_operations; inode->i_fop = &f2fs_dir_operations; inode->i_mapping->a_ops = &f2fs_dblock_aops; - inode_nohighmem(inode); + mapping_set_gfp_mask(inode->i_mapping, GFP_NOFS); set_inode_flag(inode, FI_INC_LINK); f2fs_lock_op(sbi); diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 6a3d89672ff71..13371a40f7a15 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -178,12 +178,11 @@ void fuse_finish_open(struct inode *inode, struct file *file) if (ff->open_flags & FOPEN_DIRECT_IO) file->f_op = &fuse_direct_io_file_operations; - if (!(ff->open_flags & FOPEN_KEEP_CACHE)) - invalidate_inode_pages2(inode->i_mapping); if (ff->open_flags & FOPEN_STREAM) stream_open(inode, file); else if (ff->open_flags & FOPEN_NONSEEKABLE) nonseekable_open(inode, file); + if (fc->atomic_o_trunc && (file->f_flags & O_TRUNC)) { struct fuse_inode *fi = get_fuse_inode(inode); @@ -191,10 +190,14 @@ void fuse_finish_open(struct inode *inode, struct file *file) fi->attr_version = ++fc->attr_version; i_size_write(inode, 0); spin_unlock(&fc->lock); + truncate_pagecache(inode, 0); fuse_invalidate_attr(inode); if (fc->writeback_cache) file_update_time(file); + } else if (!(ff->open_flags & FOPEN_KEEP_CACHE)) { + invalidate_inode_pages2(inode->i_mapping); } + if ((file->f_mode & FMODE_WRITE) && fc->writeback_cache) fuse_link_write_file(file); } diff --git a/fs/jfs/jfs_mount.c b/fs/jfs/jfs_mount.c index b5214c9ac47ac..f1a705d159043 100644 --- a/fs/jfs/jfs_mount.c +++ b/fs/jfs/jfs_mount.c @@ -93,14 +93,14 @@ int jfs_mount(struct super_block *sb) * (initialize mount inode from the superblock) */ if ((rc = chkSuper(sb))) { - goto errout20; + goto out; } ipaimap = diReadSpecial(sb, AGGREGATE_I, 0); if (ipaimap == NULL) { jfs_err("jfs_mount: Failed to read AGGREGATE_I"); rc = -EIO; - goto errout20; + goto out; } sbi->ipaimap = ipaimap; @@ -111,7 +111,7 @@ int jfs_mount(struct super_block *sb) */ if ((rc = diMount(ipaimap))) { jfs_err("jfs_mount: diMount(ipaimap) failed w/rc = %d", rc); - goto errout21; + goto err_ipaimap; } /* @@ -120,7 +120,7 @@ int jfs_mount(struct super_block *sb) ipbmap = diReadSpecial(sb, BMAP_I, 0); if (ipbmap == NULL) { rc = -EIO; - goto errout22; + goto err_umount_ipaimap; } jfs_info("jfs_mount: ipbmap:0x%p", ipbmap); @@ -132,7 +132,7 @@ int jfs_mount(struct super_block *sb) */ if ((rc = dbMount(ipbmap))) { jfs_err("jfs_mount: dbMount failed w/rc = %d", rc); - goto errout22; + goto err_ipbmap; } /* @@ -151,7 +151,7 @@ int jfs_mount(struct super_block *sb) if (!ipaimap2) { jfs_err("jfs_mount: Failed to read AGGREGATE_I"); rc = -EIO; - goto errout35; + goto err_umount_ipbmap; } sbi->ipaimap2 = ipaimap2; @@ -163,7 +163,7 @@ int jfs_mount(struct super_block *sb) if ((rc = diMount(ipaimap2))) { jfs_err("jfs_mount: diMount(ipaimap2) failed, rc = %d", rc); - goto errout35; + goto err_ipaimap2; } } else /* Secondary aggregate inode table is not valid */ @@ -180,7 +180,7 @@ int jfs_mount(struct super_block *sb) jfs_err("jfs_mount: Failed to read FILESYSTEM_I"); /* open fileset secondary inode allocation map */ rc = -EIO; - goto errout40; + goto err_umount_ipaimap2; } jfs_info("jfs_mount: ipimap:0x%p", ipimap); @@ -190,41 +190,34 @@ int jfs_mount(struct super_block *sb) /* initialize fileset inode allocation map */ if ((rc = diMount(ipimap))) { jfs_err("jfs_mount: diMount failed w/rc = %d", rc); - goto errout41; + goto err_ipimap; } - goto out; + return rc; /* * unwind on error */ - errout41: /* close fileset inode allocation map inode */ +err_ipimap: + /* close fileset inode allocation map inode */ diFreeSpecial(ipimap); - - errout40: /* fileset closed */ - +err_umount_ipaimap2: /* close secondary aggregate inode allocation map */ - if (ipaimap2) { + if (ipaimap2) diUnmount(ipaimap2, 1); +err_ipaimap2: + /* close aggregate inodes */ + if (ipaimap2) diFreeSpecial(ipaimap2); - } - - errout35: - - /* close aggregate block allocation map */ +err_umount_ipbmap: /* close aggregate block allocation map */ dbUnmount(ipbmap, 1); +err_ipbmap: /* close aggregate inodes */ diFreeSpecial(ipbmap); - - errout22: /* close aggregate inode allocation map */ - +err_umount_ipaimap: /* close aggregate inode allocation map */ diUnmount(ipaimap, 1); - - errout21: /* close aggregate inodes */ +err_ipaimap: /* close aggregate inodes */ diFreeSpecial(ipaimap); - errout20: /* aggregate closed */ - - out: - +out: if (rc) jfs_err("Mount JFS Failure: %d", rc); diff --git a/fs/nfs/flexfilelayout/flexfilelayoutdev.c b/fs/nfs/flexfilelayout/flexfilelayoutdev.c index 8da239b6cc16f..f1f0519f1ecef 100644 --- a/fs/nfs/flexfilelayout/flexfilelayoutdev.c +++ b/fs/nfs/flexfilelayout/flexfilelayoutdev.c @@ -429,10 +429,10 @@ nfs4_ff_layout_prepare_ds(struct pnfs_layout_segment *lseg, u32 ds_idx, goto out_fail; ds = mirror->mirror_ds->ds; + if (READ_ONCE(ds->ds_clp)) + goto out; /* matching smp_wmb() in _nfs4_pnfs_v3/4_ds_connect */ smp_rmb(); - if (ds->ds_clp) - goto out; /* FIXME: For now we assume the server sent only one version of NFS * to use for the DS. diff --git a/fs/nfs/pnfs_nfs.c b/fs/nfs/pnfs_nfs.c index 3f0c2436254ac..bd6190d794c49 100644 --- a/fs/nfs/pnfs_nfs.c +++ b/fs/nfs/pnfs_nfs.c @@ -635,7 +635,7 @@ static int _nfs4_pnfs_v3_ds_connect(struct nfs_server *mds_srv, } smp_wmb(); - ds->ds_clp = clp; + WRITE_ONCE(ds->ds_clp, clp); dprintk("%s [new] addr: %s\n", __func__, ds->ds_remotestr); out: return status; @@ -708,7 +708,7 @@ static int _nfs4_pnfs_v4_ds_connect(struct nfs_server *mds_srv, } smp_wmb(); - ds->ds_clp = clp; + WRITE_ONCE(ds->ds_clp, clp); dprintk("%s [new] addr: %s\n", __func__, ds->ds_remotestr); out: return status; diff --git a/fs/nfs/write.c b/fs/nfs/write.c index d419d89b91f7c..ec0fd6b3d185a 100644 --- a/fs/nfs/write.c +++ b/fs/nfs/write.c @@ -1045,25 +1045,11 @@ nfs_scan_commit_list(struct list_head *src, struct list_head *dst, struct nfs_page *req, *tmp; int ret = 0; -restart: list_for_each_entry_safe(req, tmp, src, wb_list) { kref_get(&req->wb_kref); if (!nfs_lock_request(req)) { - int status; - - /* Prevent deadlock with nfs_lock_and_join_requests */ - if (!list_empty(dst)) { - nfs_release_request(req); - continue; - } - /* Ensure we make progress to prevent livelock */ - mutex_unlock(&NFS_I(cinfo->inode)->commit_mutex); - status = nfs_wait_on_request(req); nfs_release_request(req); - mutex_lock(&NFS_I(cinfo->inode)->commit_mutex); - if (status < 0) - break; - goto restart; + continue; } nfs_request_remove_commit_list(req, cinfo); clear_bit(PG_COMMIT_TO_DS, &req->wb_flags); @@ -1911,6 +1897,7 @@ static int __nfs_commit_inode(struct inode *inode, int how, int may_wait = how & FLUSH_SYNC; int ret, nscan; + how &= ~FLUSH_SYNC; nfs_init_cinfo_from_inode(&cinfo, inode); nfs_commit_begin(cinfo.mds); for (;;) { diff --git a/fs/ocfs2/file.c b/fs/ocfs2/file.c index 6ca4dc57f70ba..0141298bb2e5f 100644 --- a/fs/ocfs2/file.c +++ b/fs/ocfs2/file.c @@ -492,10 +492,11 @@ int ocfs2_truncate_file(struct inode *inode, * greater than page size, so we have to truncate them * anyway. */ - unmap_mapping_range(inode->i_mapping, new_i_size + PAGE_SIZE - 1, 0, 1); - truncate_inode_pages(inode->i_mapping, new_i_size); if (OCFS2_I(inode)->ip_dyn_features & OCFS2_INLINE_DATA_FL) { + unmap_mapping_range(inode->i_mapping, + new_i_size + PAGE_SIZE - 1, 0, 1); + truncate_inode_pages(inode->i_mapping, new_i_size); status = ocfs2_truncate_inline(inode, di_bh, new_i_size, i_size_read(inode), 1); if (status) @@ -514,6 +515,9 @@ int ocfs2_truncate_file(struct inode *inode, goto bail_unlock_sem; } + unmap_mapping_range(inode->i_mapping, new_i_size + PAGE_SIZE - 1, 0, 1); + truncate_inode_pages(inode->i_mapping, new_i_size); + status = ocfs2_commit_truncate(osb, inode, di_bh); if (status < 0) { mlog_errno(status); diff --git a/fs/orangefs/dcache.c b/fs/orangefs/dcache.c index fe484cf93e5cd..8bbe9486e3a62 100644 --- a/fs/orangefs/dcache.c +++ b/fs/orangefs/dcache.c @@ -26,8 +26,10 @@ static int orangefs_revalidate_lookup(struct dentry *dentry) gossip_debug(GOSSIP_DCACHE_DEBUG, "%s: attempting lookup.\n", __func__); new_op = op_alloc(ORANGEFS_VFS_OP_LOOKUP); - if (!new_op) + if (!new_op) { + ret = -ENOMEM; goto out_put_parent; + } new_op->upcall.req.lookup.sym_follow = ORANGEFS_LOOKUP_LINK_NO_FOLLOW; new_op->upcall.req.lookup.parent_refn = parent->refn; diff --git a/fs/quota/quota_tree.c b/fs/quota/quota_tree.c index 656f9ff63edda..833cd3e3758bf 100644 --- a/fs/quota/quota_tree.c +++ b/fs/quota/quota_tree.c @@ -422,6 +422,7 @@ static int free_dqentry(struct qtree_mem_dqinfo *info, struct dquot *dquot, quota_error(dquot->dq_sb, "Quota structure has offset to " "other block (%u) than it should (%u)", blk, (uint)(dquot->dq_off >> info->dqi_blocksize_bits)); + ret = -EIO; goto out_buf; } ret = read_blk(info, blk, buf); @@ -487,6 +488,13 @@ static int remove_tree(struct qtree_mem_dqinfo *info, struct dquot *dquot, goto out_buf; } newblk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); + if (newblk < QT_TREEOFF || newblk >= info->dqi_blocks) { + quota_error(dquot->dq_sb, "Getting block too big (%u >= %u)", + newblk, info->dqi_blocks); + ret = -EUCLEAN; + goto out_buf; + } + if (depth == info->dqi_qtree_depth - 1) { ret = free_dqentry(info, dquot, newblk); newblk = 0; @@ -586,6 +594,13 @@ static loff_t find_tree_dqentry(struct qtree_mem_dqinfo *info, blk = le32_to_cpu(ref[get_index(info, dquot->dq_id, depth)]); if (!blk) /* No reference? */ goto out_buf; + if (blk < QT_TREEOFF || blk >= info->dqi_blocks) { + quota_error(dquot->dq_sb, "Getting block too big (%u >= %u)", + blk, info->dqi_blocks); + ret = -EUCLEAN; + goto out_buf; + } + if (depth < info->dqi_qtree_depth - 1) ret = find_tree_dqentry(info, dquot, blk, depth+1); else diff --git a/fs/tracefs/inode.c b/fs/tracefs/inode.c index 7098c49f36934..990f794b1dd0a 100644 --- a/fs/tracefs/inode.c +++ b/fs/tracefs/inode.c @@ -427,7 +427,8 @@ static struct dentry *__create_dir(const char *name, struct dentry *parent, if (unlikely(!inode)) return failed_creating(dentry); - inode->i_mode = S_IFDIR | S_IRWXU | S_IRUGO | S_IXUGO; + /* Do not set bits for OTH */ + inode->i_mode = S_IFDIR | S_IRWXU | S_IRUSR| S_IRGRP | S_IXUSR | S_IXGRP; inode->i_op = ops; inode->i_fop = &simple_dir_operations; diff --git a/fs/udf/dir.c b/fs/udf/dir.c index c19dba45aa209..d0f92a52e3bab 100644 --- a/fs/udf/dir.c +++ b/fs/udf/dir.c @@ -31,6 +31,7 @@ #include #include #include +#include #include "udf_i.h" #include "udf_sb.h" @@ -44,7 +45,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) struct fileIdentDesc *fi = NULL; struct fileIdentDesc cfi; udf_pblk_t block, iblock; - loff_t nf_pos; + loff_t nf_pos, emit_pos = 0; int flen; unsigned char *fname = NULL, *copy_name = NULL; unsigned char *nameptr; @@ -58,6 +59,7 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) int i, num, ret = 0; struct extent_position epos = { NULL, 0, {0, 0} }; struct super_block *sb = dir->i_sb; + bool pos_valid = false; if (ctx->pos == 0) { if (!dir_emit_dot(file, ctx)) @@ -68,6 +70,21 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) if (nf_pos >= size) goto out; + /* + * Something changed since last readdir (either lseek was called or dir + * changed)? We need to verify the position correctly points at the + * beginning of some dir entry so that the directory parsing code does + * not get confused. Since UDF does not have any reliable way of + * identifying beginning of dir entry (names are under user control), + * we need to scan the directory from the beginning. + */ + if (!inode_eq_iversion(dir, file->f_version)) { + emit_pos = nf_pos; + nf_pos = 0; + } else { + pos_valid = true; + } + fname = kmalloc(UDF_NAME_LEN, GFP_NOFS); if (!fname) { ret = -ENOMEM; @@ -123,13 +140,21 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) while (nf_pos < size) { struct kernel_lb_addr tloc; + loff_t cur_pos = nf_pos; - ctx->pos = (nf_pos >> 2) + 1; + /* Update file position only if we got past the current one */ + if (nf_pos >= emit_pos) { + ctx->pos = (nf_pos >> 2) + 1; + pos_valid = true; + } fi = udf_fileident_read(dir, &nf_pos, &fibh, &cfi, &epos, &eloc, &elen, &offset); if (!fi) goto out; + /* Still not at offset where user asked us to read from? */ + if (cur_pos < emit_pos) + continue; liu = le16_to_cpu(cfi.lengthOfImpUse); lfi = cfi.lengthFileIdent; @@ -187,8 +212,11 @@ static int udf_readdir(struct file *file, struct dir_context *ctx) } /* end while */ ctx->pos = (nf_pos >> 2) + 1; + pos_valid = true; out: + if (pos_valid) + file->f_version = inode_query_iversion(dir); if (fibh.sbh != fibh.ebh) brelse(fibh.ebh); brelse(fibh.sbh); diff --git a/fs/udf/namei.c b/fs/udf/namei.c index 9cfb555db1add..1dfb9c36e6da0 100644 --- a/fs/udf/namei.c +++ b/fs/udf/namei.c @@ -30,6 +30,7 @@ #include #include #include +#include static inline int udf_match(int len1, const unsigned char *name1, int len2, const unsigned char *name2) @@ -135,6 +136,8 @@ int udf_write_fi(struct inode *inode, struct fileIdentDesc *cfi, mark_buffer_dirty_inode(fibh->ebh, inode); mark_buffer_dirty_inode(fibh->sbh, inode); } + inode_inc_iversion(inode); + return 0; } diff --git a/fs/udf/super.c b/fs/udf/super.c index 9c71246e6d602..b7fb7cd35d89a 100644 --- a/fs/udf/super.c +++ b/fs/udf/super.c @@ -57,6 +57,7 @@ #include #include #include +#include #include "udf_sb.h" #include "udf_i.h" @@ -151,6 +152,7 @@ static struct inode *udf_alloc_inode(struct super_block *sb) init_rwsem(&ei->i_data_sem); ei->cached_extent.lstart = -1; spin_lock_init(&ei->i_extent_cache_lock); + inode_set_iversion(&ei->vfs_inode, 1); return &ei->vfs_inode; } diff --git a/include/linux/console.h b/include/linux/console.h index ec9bdb3d7bab6..35e3cc4fb4a68 100644 --- a/include/linux/console.h +++ b/include/linux/console.h @@ -153,6 +153,8 @@ struct console { short flags; short index; int cflag; + uint ispeed; + uint ospeed; void *data; struct console *next; }; diff --git a/include/linux/filter.h b/include/linux/filter.h index e981bd92a4e3a..89a6ef659b4ca 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -877,6 +877,7 @@ extern int bpf_jit_enable; extern int bpf_jit_harden; extern int bpf_jit_kallsyms; extern long bpf_jit_limit; +extern long bpf_jit_limit_max; typedef void (*bpf_jit_fill_hole_t)(void *area, unsigned int size); diff --git a/include/linux/libata.h b/include/linux/libata.h index 6d9194fb38dfc..73cd0182452c4 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -408,7 +408,7 @@ enum { /* This should match the actual table size of * ata_eh_cmd_timeout_table in libata-eh.c. */ - ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 6, + ATA_EH_CMD_TIMEOUT_TABLE_SIZE = 7, /* Horkage types. May be set by libata or controller on drives (some horkage may be drive/controller pair dependent */ diff --git a/include/linux/lsm_hooks.h b/include/linux/lsm_hooks.h index 3833c871fd45c..e65dace667d36 100644 --- a/include/linux/lsm_hooks.h +++ b/include/linux/lsm_hooks.h @@ -1211,22 +1211,22 @@ * * @binder_set_context_mgr: * Check whether @mgr is allowed to be the binder context manager. - * @mgr contains the task_struct for the task being registered. + * @mgr contains the struct cred for the current binder process. * Return 0 if permission is granted. * @binder_transaction: * Check whether @from is allowed to invoke a binder transaction call * to @to. - * @from contains the task_struct for the sending task. - * @to contains the task_struct for the receiving task. + * @from contains the struct cred for the sending process. + * @to contains the struct cred for the receiving process. * @binder_transfer_binder: * Check whether @from is allowed to transfer a binder reference to @to. - * @from contains the task_struct for the sending task. - * @to contains the task_struct for the receiving task. + * @from contains the struct cred for the sending process. + * @to contains the struct cred for the receiving process. * @binder_transfer_file: * Check whether @from is allowed to transfer @file to @to. - * @from contains the task_struct for the sending task. + * @from contains the struct cred for the sending process. * @file contains the struct file being transferred. - * @to contains the task_struct for the receiving task. + * @to contains the struct cred for the receiving process. * * @ptrace_access_check: * Check permission before allowing the current process to trace the @@ -1428,13 +1428,13 @@ * */ union security_list_options { - int (*binder_set_context_mgr)(struct task_struct *mgr); - int (*binder_transaction)(struct task_struct *from, - struct task_struct *to); - int (*binder_transfer_binder)(struct task_struct *from, - struct task_struct *to); - int (*binder_transfer_file)(struct task_struct *from, - struct task_struct *to, + int (*binder_set_context_mgr)(const struct cred *mgr); + int (*binder_transaction)(const struct cred *from, + const struct cred *to); + int (*binder_transfer_binder)(const struct cred *from, + const struct cred *to); + int (*binder_transfer_file)(const struct cred *from, + const struct cred *to, struct file *file); int (*ptrace_access_check)(struct task_struct *child, diff --git a/include/linux/pci.h b/include/linux/pci.h index 6f9ca2f278b32..a4bbce871e08e 100644 --- a/include/linux/pci.h +++ b/include/linux/pci.h @@ -205,6 +205,8 @@ enum pci_dev_flags { PCI_DEV_FLAGS_NO_FLR_RESET = (__force pci_dev_flags_t) (1 << 10), /* Don't use Relaxed Ordering for TLPs directed at this device */ PCI_DEV_FLAGS_NO_RELAXED_ORDERING = (__force pci_dev_flags_t) (1 << 11), + /* Device does honor MSI masking despite saying otherwise */ + PCI_DEV_FLAGS_HAS_MSI_MASKING = (__force pci_dev_flags_t) (1 << 12), }; enum pci_irq_reroute_variant { diff --git a/include/linux/rpmsg.h b/include/linux/rpmsg.h index 9fe156d1c018e..a68972b097b72 100644 --- a/include/linux/rpmsg.h +++ b/include/linux/rpmsg.h @@ -177,7 +177,7 @@ static inline struct rpmsg_endpoint *rpmsg_create_ept(struct rpmsg_device *rpdev /* This shouldn't be possible */ WARN_ON(1); - return ERR_PTR(-ENXIO); + return NULL; } static inline int rpmsg_send(struct rpmsg_endpoint *ept, void *data, int len) diff --git a/include/linux/sched/task_stack.h b/include/linux/sched/task_stack.h index 6a841929073f9..4f099d3fed3a9 100644 --- a/include/linux/sched/task_stack.h +++ b/include/linux/sched/task_stack.h @@ -25,7 +25,11 @@ static inline void *task_stack_page(const struct task_struct *task) static inline unsigned long *end_of_stack(const struct task_struct *task) { +#ifdef CONFIG_STACK_GROWSUP + return (unsigned long *)((unsigned long)task->stack + THREAD_SIZE) - 1; +#else return task->stack; +#endif } #elif !defined(__HAVE_THREAD_FUNCTIONS) diff --git a/include/linux/security.h b/include/linux/security.h index 454cc963d1457..273877cf47bfd 100644 --- a/include/linux/security.h +++ b/include/linux/security.h @@ -219,13 +219,13 @@ static inline void security_free_mnt_opts(struct security_mnt_opts *opts) extern int security_init(void); /* Security operations */ -int security_binder_set_context_mgr(struct task_struct *mgr); -int security_binder_transaction(struct task_struct *from, - struct task_struct *to); -int security_binder_transfer_binder(struct task_struct *from, - struct task_struct *to); -int security_binder_transfer_file(struct task_struct *from, - struct task_struct *to, struct file *file); +int security_binder_set_context_mgr(const struct cred *mgr); +int security_binder_transaction(const struct cred *from, + const struct cred *to); +int security_binder_transfer_binder(const struct cred *from, + const struct cred *to); +int security_binder_transfer_file(const struct cred *from, + const struct cred *to, struct file *file); int security_ptrace_access_check(struct task_struct *child, unsigned int mode); int security_ptrace_traceme(struct task_struct *parent); int security_capget(struct task_struct *target, @@ -442,25 +442,25 @@ static inline int security_init(void) return 0; } -static inline int security_binder_set_context_mgr(struct task_struct *mgr) +static inline int security_binder_set_context_mgr(const struct cred *mgr) { return 0; } -static inline int security_binder_transaction(struct task_struct *from, - struct task_struct *to) +static inline int security_binder_transaction(const struct cred *from, + const struct cred *to) { return 0; } -static inline int security_binder_transfer_binder(struct task_struct *from, - struct task_struct *to) +static inline int security_binder_transfer_binder(const struct cred *from, + const struct cred *to) { return 0; } -static inline int security_binder_transfer_file(struct task_struct *from, - struct task_struct *to, +static inline int security_binder_transfer_file(const struct cred *from, + const struct cred *to, struct file *file) { return 0; diff --git a/include/linux/virtio_net.h b/include/linux/virtio_net.h index 8f48264f5dab3..e7330a9a7d7dc 100644 --- a/include/linux/virtio_net.h +++ b/include/linux/virtio_net.h @@ -120,10 +120,15 @@ retry: if (hdr->gso_type != VIRTIO_NET_HDR_GSO_NONE) { u16 gso_size = __virtio16_to_cpu(little_endian, hdr->gso_size); + unsigned int nh_off = p_off; struct skb_shared_info *shinfo = skb_shinfo(skb); + /* UFO may not include transport header in gso_size. */ + if (gso_type & SKB_GSO_UDP) + nh_off -= thlen; + /* Too small packets are not really GSO ones. */ - if (skb->len - p_off > gso_size) { + if (skb->len - nh_off > gso_size) { shinfo->gso_size = gso_size; shinfo->gso_type = gso_type; diff --git a/include/net/llc.h b/include/net/llc.h index df282d9b40170..9c10b121b49b0 100644 --- a/include/net/llc.h +++ b/include/net/llc.h @@ -72,7 +72,9 @@ struct llc_sap { static inline struct hlist_head *llc_sk_dev_hash(struct llc_sap *sap, int ifindex) { - return &sap->sk_dev_hash[ifindex % LLC_SK_DEV_HASH_ENTRIES]; + u32 bucket = hash_32(ifindex, LLC_SK_DEV_HASH_BITS); + + return &sap->sk_dev_hash[bucket]; } static inline diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h index d737a6a2600be..286bc674a6e79 100644 --- a/include/net/sch_generic.h +++ b/include/net/sch_generic.h @@ -216,6 +216,8 @@ struct Qdisc_ops { struct netlink_ext_ack *extack); void (*attach)(struct Qdisc *sch); int (*change_tx_queue_len)(struct Qdisc *, unsigned int); + void (*change_real_num_tx)(struct Qdisc *sch, + unsigned int new_real_tx); int (*dump)(struct Qdisc *, struct sk_buff *); int (*dump_stats)(struct Qdisc *, struct gnet_dump *); @@ -547,6 +549,8 @@ void qdisc_class_hash_grow(struct Qdisc *, struct Qdisc_class_hash *); void qdisc_class_hash_destroy(struct Qdisc_class_hash *); int dev_qdisc_change_tx_queue_len(struct net_device *dev); +void dev_qdisc_change_real_num_tx(struct net_device *dev, + unsigned int new_real_tx); void dev_init_scheduler(struct net_device *dev); void dev_shutdown(struct net_device *dev); void dev_activate(struct net_device *dev); diff --git a/include/rdma/rdma_netlink.h b/include/rdma/rdma_netlink.h index c369703fcd69c..36cdc17de6909 100644 --- a/include/rdma/rdma_netlink.h +++ b/include/rdma/rdma_netlink.h @@ -24,7 +24,7 @@ enum rdma_nl_flags { * constant as well and the compiler checks they are the same. */ #define MODULE_ALIAS_RDMA_NETLINK(_index, _val) \ - static inline void __chk_##_index(void) \ + static inline void __maybe_unused __chk_##_index(void) \ { \ BUILD_BUG_ON(_index != _val); \ } \ diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h index 2cfd3b4573b06..ac59a03d0d00e 100644 --- a/include/target/target_core_base.h +++ b/include/target/target_core_base.h @@ -774,8 +774,9 @@ struct se_device { atomic_long_t read_bytes; atomic_long_t write_bytes; /* Active commands on this virtual SE device */ - atomic_t simple_cmds; - atomic_t dev_ordered_sync; + atomic_t non_ordered; + bool ordered_sync_in_progress; + atomic_t delayed_cmd_count; atomic_t dev_qf_count; u32 export_count; spinlock_t delayed_cmd_lock; @@ -798,6 +799,7 @@ struct se_device { struct list_head dev_tmr_list; struct workqueue_struct *tmr_wq; struct work_struct qf_work_queue; + struct work_struct delayed_cmd_work; struct list_head delayed_cmd_list; struct list_head state_list; struct list_head qf_cmd_list; diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h index 795698925d206..52e6456bdb922 100644 --- a/include/trace/events/f2fs.h +++ b/include/trace/events/f2fs.h @@ -751,20 +751,20 @@ TRACE_EVENT(f2fs_lookup_start, TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(unsigned int, flags) ), TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->flags = flags; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, flags:%u", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->flags) ); @@ -778,7 +778,7 @@ TRACE_EVENT(f2fs_lookup_end, TP_STRUCT__entry( __field(dev_t, dev) __field(ino_t, ino) - __field(const char *, name) + __string(name, dentry->d_name.name) __field(nid_t, cino) __field(int, err) ), @@ -786,14 +786,14 @@ TRACE_EVENT(f2fs_lookup_end, TP_fast_assign( __entry->dev = dir->i_sb->s_dev; __entry->ino = dir->i_ino; - __entry->name = dentry->d_name.name; + __assign_str(name, dentry->d_name.name); __entry->cino = ino; __entry->err = err; ), TP_printk("dev = (%d,%d), pino = %lu, name:%s, ino:%u, err:%d", show_dev_ino(__entry), - __entry->name, + __get_str(name), __entry->cino, __entry->err) ); diff --git a/include/uapi/linux/pci_regs.h b/include/uapi/linux/pci_regs.h index ee556ccc93f48..8d2767140798b 100644 --- a/include/uapi/linux/pci_regs.h +++ b/include/uapi/linux/pci_regs.h @@ -497,6 +497,12 @@ #define PCI_EXP_DEVCTL_URRE 0x0008 /* Unsupported Request Reporting En. */ #define PCI_EXP_DEVCTL_RELAX_EN 0x0010 /* Enable relaxed ordering */ #define PCI_EXP_DEVCTL_PAYLOAD 0x00e0 /* Max_Payload_Size */ +#define PCI_EXP_DEVCTL_PAYLOAD_128B 0x0000 /* 128 Bytes */ +#define PCI_EXP_DEVCTL_PAYLOAD_256B 0x0020 /* 256 Bytes */ +#define PCI_EXP_DEVCTL_PAYLOAD_512B 0x0040 /* 512 Bytes */ +#define PCI_EXP_DEVCTL_PAYLOAD_1024B 0x0060 /* 1024 Bytes */ +#define PCI_EXP_DEVCTL_PAYLOAD_2048B 0x0080 /* 2048 Bytes */ +#define PCI_EXP_DEVCTL_PAYLOAD_4096B 0x00a0 /* 4096 Bytes */ #define PCI_EXP_DEVCTL_EXT_TAG 0x0100 /* Extended Tag Field Enable */ #define PCI_EXP_DEVCTL_PHANTOM 0x0200 /* Phantom Functions Enable */ #define PCI_EXP_DEVCTL_AUX_PME 0x0400 /* Auxiliary Power PM Enable */ diff --git a/ipc/util.c b/ipc/util.c index af1b572effb14..8f848378efda9 100644 --- a/ipc/util.c +++ b/ipc/util.c @@ -417,8 +417,8 @@ static int ipcget_public(struct ipc_namespace *ns, struct ipc_ids *ids, static void ipc_kht_remove(struct ipc_ids *ids, struct kern_ipc_perm *ipcp) { if (ipcp->key != IPC_PRIVATE) - rhashtable_remove_fast(&ids->key_ht, &ipcp->khtnode, - ipc_kht_params); + WARN_ON_ONCE(rhashtable_remove_fast(&ids->key_ht, &ipcp->khtnode, + ipc_kht_params)); } /** @@ -433,7 +433,7 @@ void ipc_rmid(struct ipc_ids *ids, struct kern_ipc_perm *ipcp) { int idx = ipcid_to_idx(ipcp->id); - idr_remove(&ids->ipcs_idr, idx); + WARN_ON_ONCE(idr_remove(&ids->ipcs_idr, idx) != ipcp); ipc_kht_remove(ids, ipcp); ids->in_use--; ipcp->deleted = true; diff --git a/kernel/bpf/core.c b/kernel/bpf/core.c index 341402bc1202d..4e5b5ae05406e 100644 --- a/kernel/bpf/core.c +++ b/kernel/bpf/core.c @@ -372,6 +372,7 @@ int bpf_jit_enable __read_mostly = IS_BUILTIN(CONFIG_BPF_JIT_ALWAYS_ON); int bpf_jit_harden __read_mostly; int bpf_jit_kallsyms __read_mostly; long bpf_jit_limit __read_mostly; +long bpf_jit_limit_max __read_mostly; static __always_inline void bpf_get_prog_addr_region(const struct bpf_prog *prog, @@ -598,7 +599,8 @@ u64 __weak bpf_jit_alloc_exec_limit(void) static int __init bpf_jit_charge_init(void) { /* Only used as heuristic here to derive limit. */ - bpf_jit_limit = min_t(u64, round_up(bpf_jit_alloc_exec_limit() >> 2, + bpf_jit_limit_max = bpf_jit_alloc_exec_limit(); + bpf_jit_limit = min_t(u64, round_up(bpf_jit_limit_max >> 2, PAGE_SIZE), LONG_MAX); return 0; } diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c index a74549693e7f5..63eff85f251f3 100644 --- a/kernel/cgroup/cgroup.c +++ b/kernel/cgroup/cgroup.c @@ -1650,6 +1650,7 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask) struct cgroup *dcgrp = &dst_root->cgrp; struct cgroup_subsys *ss; int ssid, i, ret; + u16 dfl_disable_ss_mask = 0; lockdep_assert_held(&cgroup_mutex); @@ -1666,8 +1667,28 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask) /* can't move between two non-dummy roots either */ if (ss->root != &cgrp_dfl_root && dst_root != &cgrp_dfl_root) return -EBUSY; + + /* + * Collect ssid's that need to be disabled from default + * hierarchy. + */ + if (ss->root == &cgrp_dfl_root) + dfl_disable_ss_mask |= 1 << ssid; + } while_each_subsys_mask(); + if (dfl_disable_ss_mask) { + struct cgroup *scgrp = &cgrp_dfl_root.cgrp; + + /* + * Controllers from default hierarchy that need to be rebound + * are all disabled together in one go. + */ + cgrp_dfl_root.subsys_mask &= ~dfl_disable_ss_mask; + WARN_ON(cgroup_apply_control(scgrp)); + cgroup_finalize_control(scgrp, 0); + } + do_each_subsys_mask(ss, ssid, ss_mask) { struct cgroup_root *src_root = ss->root; struct cgroup *scgrp = &src_root->cgrp; @@ -1676,10 +1697,12 @@ int rebind_subsystems(struct cgroup_root *dst_root, u16 ss_mask) WARN_ON(!css || cgroup_css(dcgrp, ss)); - /* disable from the source */ - src_root->subsys_mask &= ~(1 << ssid); - WARN_ON(cgroup_apply_control(scgrp)); - cgroup_finalize_control(scgrp, 0); + if (src_root != &cgrp_dfl_root) { + /* disable from the source */ + src_root->subsys_mask &= ~(1 << ssid); + WARN_ON(cgroup_apply_control(scgrp)); + cgroup_finalize_control(scgrp, 0); + } /* rebind */ RCU_INIT_POINTER(scgrp->subsys[ssid], NULL); diff --git a/kernel/events/core.c b/kernel/events/core.c index 4a8c3f5313f96..e6e11b5984386 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -6424,7 +6424,6 @@ void perf_output_sample(struct perf_output_handle *handle, static u64 perf_virt_to_phys(u64 virt) { u64 phys_addr = 0; - struct page *p = NULL; if (!virt) return 0; @@ -6443,14 +6442,15 @@ static u64 perf_virt_to_phys(u64 virt) * If failed, leave phys_addr as 0. */ if (current->mm != NULL) { + struct page *p; + pagefault_disable(); - if (__get_user_pages_fast(virt, 1, 0, &p) == 1) + if (__get_user_pages_fast(virt, 1, 0, &p) == 1) { phys_addr = page_to_phys(p) + virt % PAGE_SIZE; + put_page(p); + } pagefault_enable(); } - - if (p) - put_page(p); } return phys_addr; diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c index 126c6d524a0f2..4dc79f57af827 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -689,7 +689,7 @@ look_up_lock_class(const struct lockdep_map *lock, unsigned int subclass) if (DEBUG_LOCKS_WARN_ON(!irqs_disabled())) return NULL; - hlist_for_each_entry_rcu(class, hash_head, hash_entry) { + hlist_for_each_entry_rcu_notrace(class, hash_head, hash_entry) { if (class->key == key) { /* * Huh! same key, different name? Did someone trample diff --git a/kernel/power/swap.c b/kernel/power/swap.c index e9494c29f1ca4..9db7f2f93fae3 100644 --- a/kernel/power/swap.c +++ b/kernel/power/swap.c @@ -294,7 +294,7 @@ static int hib_submit_io(int op, int op_flags, pgoff_t page_off, void *addr, return error; } -static blk_status_t hib_wait_io(struct hib_bio_batch *hb) +static int hib_wait_io(struct hib_bio_batch *hb) { wait_event(hb->wait, atomic_read(&hb->count) == 0); return blk_status_to_errno(hb->error); @@ -1512,9 +1512,10 @@ end: int swsusp_check(void) { int error; + void *holder; hib_resume_bdev = blkdev_get_by_dev(swsusp_resume_device, - FMODE_READ, NULL); + FMODE_READ | FMODE_EXCL, &holder); if (!IS_ERR(hib_resume_bdev)) { set_blocksize(hib_resume_bdev, PAGE_SIZE); clear_page(swsusp_header); @@ -1536,7 +1537,7 @@ int swsusp_check(void) put: if (error) - blkdev_put(hib_resume_bdev, FMODE_READ); + blkdev_put(hib_resume_bdev, FMODE_READ | FMODE_EXCL); else pr_debug("Image signature found, resuming\n"); } else { diff --git a/kernel/sched/core.c b/kernel/sched/core.c index 013b1c6cb4ed9..32af895bd86b3 100644 --- a/kernel/sched/core.c +++ b/kernel/sched/core.c @@ -1821,6 +1821,9 @@ out: bool cpus_share_cache(int this_cpu, int that_cpu) { + if (this_cpu == that_cpu) + return true; + return per_cpu(sd_llc_id, this_cpu) == per_cpu(sd_llc_id, that_cpu); } #endif /* CONFIG_SMP */ diff --git a/kernel/signal.c b/kernel/signal.c index a02a25acf2056..4cc3f3ba13a95 100644 --- a/kernel/signal.c +++ b/kernel/signal.c @@ -2003,15 +2003,6 @@ static inline bool may_ptrace_stop(void) return true; } -/* - * Return non-zero if there is a SIGKILL that should be waking us up. - * Called with the siglock held. - */ -static bool sigkill_pending(struct task_struct *tsk) -{ - return sigismember(&tsk->pending.signal, SIGKILL) || - sigismember(&tsk->signal->shared_pending.signal, SIGKILL); -} /* * This must be called with current->sighand->siglock held. @@ -2038,17 +2029,16 @@ static void ptrace_stop(int exit_code, int why, int clear_code, siginfo_t *info) * calling arch_ptrace_stop, so we must release it now. * To preserve proper semantics, we must do this before * any signal bookkeeping like checking group_stop_count. - * Meanwhile, a SIGKILL could come in before we retake the - * siglock. That must prevent us from sleeping in TASK_TRACED. - * So after regaining the lock, we must check for SIGKILL. */ spin_unlock_irq(¤t->sighand->siglock); arch_ptrace_stop(exit_code, info); spin_lock_irq(¤t->sighand->siglock); - if (sigkill_pending(current)) - return; } + /* + * schedule() will not sleep if there is a pending signal that + * can awaken the task. + */ set_special_state(TASK_TRACED); /* diff --git a/kernel/trace/tracing_map.c b/kernel/trace/tracing_map.c index 9e31bfc818ff8..10657b8dc2c2d 100644 --- a/kernel/trace/tracing_map.c +++ b/kernel/trace/tracing_map.c @@ -834,29 +834,35 @@ int tracing_map_init(struct tracing_map *map) return err; } -static int cmp_entries_dup(const struct tracing_map_sort_entry **a, - const struct tracing_map_sort_entry **b) +static int cmp_entries_dup(const void *A, const void *B) { + const struct tracing_map_sort_entry *a, *b; int ret = 0; - if (memcmp((*a)->key, (*b)->key, (*a)->elt->map->key_size)) + a = *(const struct tracing_map_sort_entry **)A; + b = *(const struct tracing_map_sort_entry **)B; + + if (memcmp(a->key, b->key, a->elt->map->key_size)) ret = 1; return ret; } -static int cmp_entries_sum(const struct tracing_map_sort_entry **a, - const struct tracing_map_sort_entry **b) +static int cmp_entries_sum(const void *A, const void *B) { const struct tracing_map_elt *elt_a, *elt_b; + const struct tracing_map_sort_entry *a, *b; struct tracing_map_sort_key *sort_key; struct tracing_map_field *field; tracing_map_cmp_fn_t cmp_fn; void *val_a, *val_b; int ret = 0; - elt_a = (*a)->elt; - elt_b = (*b)->elt; + a = *(const struct tracing_map_sort_entry **)A; + b = *(const struct tracing_map_sort_entry **)B; + + elt_a = a->elt; + elt_b = b->elt; sort_key = &elt_a->map->sort_key; @@ -873,18 +879,21 @@ static int cmp_entries_sum(const struct tracing_map_sort_entry **a, return ret; } -static int cmp_entries_key(const struct tracing_map_sort_entry **a, - const struct tracing_map_sort_entry **b) +static int cmp_entries_key(const void *A, const void *B) { const struct tracing_map_elt *elt_a, *elt_b; + const struct tracing_map_sort_entry *a, *b; struct tracing_map_sort_key *sort_key; struct tracing_map_field *field; tracing_map_cmp_fn_t cmp_fn; void *val_a, *val_b; int ret = 0; - elt_a = (*a)->elt; - elt_b = (*b)->elt; + a = *(const struct tracing_map_sort_entry **)A; + b = *(const struct tracing_map_sort_entry **)B; + + elt_a = a->elt; + elt_b = b->elt; sort_key = &elt_a->map->sort_key; @@ -989,10 +998,8 @@ static void sort_secondary(struct tracing_map *map, struct tracing_map_sort_key *primary_key, struct tracing_map_sort_key *secondary_key) { - int (*primary_fn)(const struct tracing_map_sort_entry **, - const struct tracing_map_sort_entry **); - int (*secondary_fn)(const struct tracing_map_sort_entry **, - const struct tracing_map_sort_entry **); + int (*primary_fn)(const void *, const void *); + int (*secondary_fn)(const void *, const void *); unsigned i, start = 0, n_sub = 1; if (is_key(map, primary_key->field_idx)) @@ -1061,8 +1068,7 @@ int tracing_map_sort_entries(struct tracing_map *map, unsigned int n_sort_keys, struct tracing_map_sort_entry ***sort_entries) { - int (*cmp_entries_fn)(const struct tracing_map_sort_entry **, - const struct tracing_map_sort_entry **); + int (*cmp_entries_fn)(const void *, const void *); struct tracing_map_sort_entry *sort_entry, **entries; int i, n_entries, ret; diff --git a/kernel/workqueue.c b/kernel/workqueue.c index 1573d1bf63007..b1bb6cb5802ec 100644 --- a/kernel/workqueue.c +++ b/kernel/workqueue.c @@ -5125,9 +5125,6 @@ int workqueue_set_unbound_cpumask(cpumask_var_t cpumask) int ret = -EINVAL; cpumask_var_t saved_cpumask; - if (!zalloc_cpumask_var(&saved_cpumask, GFP_KERNEL)) - return -ENOMEM; - /* * Not excluding isolated cpus on purpose. * If the user wishes to include them, we allow that. @@ -5135,6 +5132,15 @@ int workqueue_set_unbound_cpumask(cpumask_var_t cpumask) cpumask_and(cpumask, cpumask, cpu_possible_mask); if (!cpumask_empty(cpumask)) { apply_wqattrs_lock(); + if (cpumask_equal(cpumask, wq_unbound_cpumask)) { + ret = 0; + goto out_unlock; + } + + if (!zalloc_cpumask_var(&saved_cpumask, GFP_KERNEL)) { + ret = -ENOMEM; + goto out_unlock; + } /* save the old wq_unbound_cpumask. */ cpumask_copy(saved_cpumask, wq_unbound_cpumask); @@ -5147,10 +5153,11 @@ int workqueue_set_unbound_cpumask(cpumask_var_t cpumask) if (ret < 0) cpumask_copy(wq_unbound_cpumask, saved_cpumask); + free_cpumask_var(saved_cpumask); +out_unlock: apply_wqattrs_unlock(); } - free_cpumask_var(saved_cpumask); return ret; } diff --git a/lib/decompress_unxz.c b/lib/decompress_unxz.c index 25d59a95bd668..abea25310ac73 100644 --- a/lib/decompress_unxz.c +++ b/lib/decompress_unxz.c @@ -167,7 +167,7 @@ * memeq and memzero are not used much and any remotely sane implementation * is fast enough. memcpy/memmove speed matters in multi-call mode, but * the kernel image is decompressed in single-call mode, in which only - * memcpy speed can matter and only if there is a lot of uncompressible data + * memmove speed can matter and only if there is a lot of uncompressible data * (LZMA2 stores uncompressible chunks in uncompressed form). Thus, the * functions below should just be kept small; it's probably not worth * optimizing for speed. diff --git a/lib/xz/xz_dec_lzma2.c b/lib/xz/xz_dec_lzma2.c index 08c3c80499983..2c5197d6b944d 100644 --- a/lib/xz/xz_dec_lzma2.c +++ b/lib/xz/xz_dec_lzma2.c @@ -387,7 +387,14 @@ static void dict_uncompressed(struct dictionary *dict, struct xz_buf *b, *left -= copy_size; - memcpy(dict->buf + dict->pos, b->in + b->in_pos, copy_size); + /* + * If doing in-place decompression in single-call mode and the + * uncompressed size of the file is larger than the caller + * thought (i.e. it is invalid input!), the buffers below may + * overlap and cause undefined behavior with memcpy(). + * With valid inputs memcpy() would be fine here. + */ + memmove(dict->buf + dict->pos, b->in + b->in_pos, copy_size); dict->pos += copy_size; if (dict->full < dict->pos) @@ -397,7 +404,11 @@ static void dict_uncompressed(struct dictionary *dict, struct xz_buf *b, if (dict->pos == dict->end) dict->pos = 0; - memcpy(b->out + b->out_pos, b->in + b->in_pos, + /* + * Like above but for multi-call mode: use memmove() + * to avoid undefined behavior with invalid input. + */ + memmove(b->out + b->out_pos, b->in + b->in_pos, copy_size); } @@ -421,6 +432,12 @@ static uint32_t dict_flush(struct dictionary *dict, struct xz_buf *b) if (dict->pos == dict->end) dict->pos = 0; + /* + * These buffers cannot overlap even if doing in-place + * decompression because in multi-call mode dict->buf + * has been allocated by us in this file; it's not + * provided by the caller like in single-call mode. + */ memcpy(b->out + b->out_pos, dict->buf + dict->start, copy_size); } diff --git a/lib/xz/xz_dec_stream.c b/lib/xz/xz_dec_stream.c index bd1d182419d7e..0b161f90d8d80 100644 --- a/lib/xz/xz_dec_stream.c +++ b/lib/xz/xz_dec_stream.c @@ -402,12 +402,12 @@ static enum xz_ret dec_stream_header(struct xz_dec *s) * we will accept other check types too, but then the check won't * be verified and a warning (XZ_UNSUPPORTED_CHECK) will be given. */ + if (s->temp.buf[HEADER_MAGIC_SIZE + 1] > XZ_CHECK_MAX) + return XZ_OPTIONS_ERROR; + s->check_type = s->temp.buf[HEADER_MAGIC_SIZE + 1]; #ifdef XZ_DEC_ANY_CHECK - if (s->check_type > XZ_CHECK_MAX) - return XZ_OPTIONS_ERROR; - if (s->check_type > XZ_CHECK_CRC32) return XZ_UNSUPPORTED_CHECK; #else diff --git a/mm/oom_kill.c b/mm/oom_kill.c index 928b3b5e24e6b..3f5a60a5a5e6a 100644 --- a/mm/oom_kill.c +++ b/mm/oom_kill.c @@ -1135,25 +1135,22 @@ bool out_of_memory(struct oom_control *oc) } /* - * The pagefault handler calls here because it is out of memory, so kill a - * memory-hogging task. If oom_lock is held by somebody else, a parallel oom - * killing is already in progress so do nothing. + * The pagefault handler calls here because some allocation has failed. We have + * to take care of the memcg OOM here because this is the only safe context without + * any locks held but let the oom killer triggered from the allocation context care + * about the global OOM. */ void pagefault_out_of_memory(void) { - struct oom_control oc = { - .zonelist = NULL, - .nodemask = NULL, - .memcg = NULL, - .gfp_mask = 0, - .order = 0, - }; + static DEFINE_RATELIMIT_STATE(pfoom_rs, DEFAULT_RATELIMIT_INTERVAL, + DEFAULT_RATELIMIT_BURST); if (mem_cgroup_oom_synchronize(true)) return; - if (!mutex_trylock(&oom_lock)) + if (fatal_signal_pending(current)) return; - out_of_memory(&oc); - mutex_unlock(&oom_lock); + + if (__ratelimit(&pfoom_rs)) + pr_warn("Huh VM_FAULT_OOM leaked out to the #PF handler. Retrying PF\n"); } diff --git a/mm/slab.h b/mm/slab.h index 9632772e14beb..0ed7a463f476c 100644 --- a/mm/slab.h +++ b/mm/slab.h @@ -148,7 +148,7 @@ static inline slab_flags_t kmem_cache_flags(unsigned int object_size, #define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE | SLAB_RECLAIM_ACCOUNT | \ SLAB_TEMPORARY | SLAB_ACCOUNT) #else -#define SLAB_CACHE_FLAGS (0) +#define SLAB_CACHE_FLAGS (SLAB_NOLEAKTRACE) #endif /* Common flags available with current configuration */ diff --git a/mm/zsmalloc.c b/mm/zsmalloc.c index d52c005a060f1..11e81b3ff0cf3 100644 --- a/mm/zsmalloc.c +++ b/mm/zsmalloc.c @@ -1904,10 +1904,11 @@ static inline void zs_pool_dec_isolated(struct zs_pool *pool) VM_BUG_ON(atomic_long_read(&pool->isolated_pages) <= 0); atomic_long_dec(&pool->isolated_pages); /* - * There's no possibility of racing, since wait_for_isolated_drain() - * checks the isolated count under &class->lock after enqueuing - * on migration_wait. + * Checking pool->destroying must happen after atomic_long_dec() + * for pool->isolated_pages above. Paired with the smp_mb() in + * zs_unregister_migration(). */ + smp_mb__after_atomic(); if (atomic_long_read(&pool->isolated_pages) == 0 && pool->destroying) wake_up_all(&pool->migration_wait); } diff --git a/net/9p/client.c b/net/9p/client.c index d62f83f93d7bb..bb0a43b8a6b0f 100644 --- a/net/9p/client.c +++ b/net/9p/client.c @@ -553,6 +553,8 @@ static int p9_check_errors(struct p9_client *c, struct p9_req_t *req) kfree(ename); } else { err = p9pdu_readf(&req->rc, c->proto_version, "d", &ecode); + if (err) + goto out_err; err = -ecode; p9_debug(P9_DEBUG_9P, "<<< RLERROR (%d)\n", -ecode); diff --git a/net/batman-adv/fragmentation.c b/net/batman-adv/fragmentation.c index 5b71a289d04fc..cc062b69fc8d8 100644 --- a/net/batman-adv/fragmentation.c +++ b/net/batman-adv/fragmentation.c @@ -403,6 +403,7 @@ out: /** * batadv_frag_create() - create a fragment from skb + * @net_dev: outgoing device for fragment * @skb: skb to create fragment from * @frag_head: header to use in new fragment * @fragment_size: size of new fragment @@ -413,22 +414,25 @@ out: * * Return: the new fragment, NULL on error. */ -static struct sk_buff *batadv_frag_create(struct sk_buff *skb, +static struct sk_buff *batadv_frag_create(struct net_device *net_dev, + struct sk_buff *skb, struct batadv_frag_packet *frag_head, unsigned int fragment_size) { + unsigned int ll_reserved = LL_RESERVED_SPACE(net_dev); + unsigned int tailroom = net_dev->needed_tailroom; struct sk_buff *skb_fragment; unsigned int header_size = sizeof(*frag_head); unsigned int mtu = fragment_size + header_size; - skb_fragment = netdev_alloc_skb(NULL, mtu + ETH_HLEN); + skb_fragment = dev_alloc_skb(ll_reserved + mtu + tailroom); if (!skb_fragment) goto err; skb_fragment->priority = skb->priority; /* Eat the last mtu-bytes of the skb */ - skb_reserve(skb_fragment, header_size + ETH_HLEN); + skb_reserve(skb_fragment, ll_reserved + header_size); skb_split(skb, skb_fragment, skb->len - fragment_size); /* Add the header */ @@ -451,11 +455,12 @@ int batadv_frag_send_packet(struct sk_buff *skb, struct batadv_orig_node *orig_node, struct batadv_neigh_node *neigh_node) { + struct net_device *net_dev = neigh_node->if_incoming->net_dev; struct batadv_priv *bat_priv; struct batadv_hard_iface *primary_if = NULL; struct batadv_frag_packet frag_header; struct sk_buff *skb_fragment; - unsigned int mtu = neigh_node->if_incoming->net_dev->mtu; + unsigned int mtu = net_dev->mtu; unsigned int header_size = sizeof(frag_header); unsigned int max_fragment_size, num_fragments; int ret; @@ -515,7 +520,7 @@ int batadv_frag_send_packet(struct sk_buff *skb, goto put_primary_if; } - skb_fragment = batadv_frag_create(skb, &frag_header, + skb_fragment = batadv_frag_create(net_dev, skb, &frag_header, max_fragment_size); if (!skb_fragment) { ret = -ENOMEM; @@ -534,13 +539,14 @@ int batadv_frag_send_packet(struct sk_buff *skb, frag_header.no++; } - /* Make room for the fragment header. */ - if (batadv_skb_head_push(skb, header_size) < 0 || - pskb_expand_head(skb, header_size + ETH_HLEN, 0, GFP_ATOMIC) < 0) { - ret = -ENOMEM; + /* make sure that there is at least enough head for the fragmentation + * and ethernet headers + */ + ret = skb_cow_head(skb, ETH_HLEN + header_size); + if (ret < 0) goto put_primary_if; - } + skb_push(skb, header_size); memcpy(skb->data, &frag_header, header_size); /* Send the last fragment */ diff --git a/net/batman-adv/hard-interface.c b/net/batman-adv/hard-interface.c index c4e0435c952db..fc732b78daf77 100644 --- a/net/batman-adv/hard-interface.c +++ b/net/batman-adv/hard-interface.c @@ -565,6 +565,9 @@ static void batadv_hardif_recalc_extra_skbroom(struct net_device *soft_iface) needed_headroom = lower_headroom + (lower_header_len - ETH_HLEN); needed_headroom += batadv_max_header_len(); + /* fragmentation headers don't strip the unicast/... header */ + needed_headroom += sizeof(struct batadv_frag_packet); + soft_iface->needed_headroom = needed_headroom; soft_iface->needed_tailroom = lower_tailroom; } diff --git a/net/batman-adv/multicast.c b/net/batman-adv/multicast.c index b90fe25d6b0b1..9b3311dae2e4f 100644 --- a/net/batman-adv/multicast.c +++ b/net/batman-adv/multicast.c @@ -62,10 +62,12 @@ #include #include +#include "bridge_loop_avoidance.h" #include "hard-interface.h" #include "hash.h" #include "log.h" #include "netlink.h" +#include "send.h" #include "soft-interface.h" #include "translation-table.h" #include "tvlv.h" @@ -1024,6 +1026,35 @@ batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, } } +/** + * batadv_mcast_forw_send_orig() - send a multicast packet to an originator + * @bat_priv: the bat priv with all the soft interface information + * @skb: the multicast packet to send + * @vid: the vlan identifier + * @orig_node: the originator to send the packet to + * + * Return: NET_XMIT_DROP in case of error or NET_XMIT_SUCCESS otherwise. + */ +int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, + struct sk_buff *skb, + unsigned short vid, + struct batadv_orig_node *orig_node) +{ + /* Avoid sending multicast-in-unicast packets to other BLA + * gateways - they already got the frame from the LAN side + * we share with them. + * TODO: Refactor to take BLA into account earlier, to avoid + * reducing the mcast_fanout count. + */ + if (batadv_bla_is_backbone_gw_orig(bat_priv, orig_node->orig, vid)) { + dev_kfree_skb(skb); + return NET_XMIT_SUCCESS; + } + + return batadv_send_skb_unicast(bat_priv, skb, BATADV_UNICAST, 0, + orig_node, vid); +} + /** * batadv_mcast_want_unsnoop_update() - update unsnoop counter and list * @bat_priv: the bat priv with all the soft interface information diff --git a/net/batman-adv/multicast.h b/net/batman-adv/multicast.h index 3b04ab13f0eb1..6f9f3813fc59a 100644 --- a/net/batman-adv/multicast.h +++ b/net/batman-adv/multicast.h @@ -51,6 +51,11 @@ enum batadv_forw_mode batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb, struct batadv_orig_node **mcast_single_orig); +int batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, + struct sk_buff *skb, + unsigned short vid, + struct batadv_orig_node *orig_node); + void batadv_mcast_init(struct batadv_priv *bat_priv); int batadv_mcast_flags_seq_print_text(struct seq_file *seq, void *offset); @@ -78,6 +83,16 @@ static inline int batadv_mcast_init(struct batadv_priv *bat_priv) return 0; } +static inline int +batadv_mcast_forw_send_orig(struct batadv_priv *bat_priv, + struct sk_buff *skb, + unsigned short vid, + struct batadv_orig_node *orig_node) +{ + kfree_skb(skb); + return NET_XMIT_DROP; +} + static inline int batadv_mcast_mesh_info_put(struct sk_buff *msg, struct batadv_priv *bat_priv) { diff --git a/net/batman-adv/soft-interface.c b/net/batman-adv/soft-interface.c index 6ff78080ec7fb..1003abb8cc35e 100644 --- a/net/batman-adv/soft-interface.c +++ b/net/batman-adv/soft-interface.c @@ -367,9 +367,8 @@ send: goto dropped; ret = batadv_send_skb_via_gw(bat_priv, skb, vid); } else if (mcast_single_orig) { - ret = batadv_send_skb_unicast(bat_priv, skb, - BATADV_UNICAST, 0, - mcast_single_orig, vid); + ret = batadv_mcast_forw_send_orig(bat_priv, skb, vid, + mcast_single_orig); } else { if (batadv_dat_snoop_outgoing_arp_request(bat_priv, skb)) diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 967a9bb144157..d938311c58a8d 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -1328,6 +1328,9 @@ static void l2cap_sock_close_cb(struct l2cap_chan *chan) { struct sock *sk = chan->data; + if (!sk) + return; + l2cap_sock_kill(sk); } @@ -1336,6 +1339,9 @@ static void l2cap_sock_teardown_cb(struct l2cap_chan *chan, int err) struct sock *sk = chan->data; struct sock *parent; + if (!sk) + return; + BT_DBG("chan %p state %s", chan, state_to_string(chan->state)); /* This callback can be called both for server (BT_LISTEN) @@ -1519,8 +1525,10 @@ static void l2cap_sock_destruct(struct sock *sk) { BT_DBG("sk %p", sk); - if (l2cap_pi(sk)->chan) + if (l2cap_pi(sk)->chan) { + l2cap_pi(sk)->chan->data = NULL; l2cap_chan_put(l2cap_pi(sk)->chan); + } if (l2cap_pi(sk)->rx_busy_skb) { kfree_skb(l2cap_pi(sk)->rx_busy_skb); diff --git a/net/bluetooth/sco.c b/net/bluetooth/sco.c index 007a01b08dbe9..1e0a1c0a56b57 100644 --- a/net/bluetooth/sco.c +++ b/net/bluetooth/sco.c @@ -133,6 +133,7 @@ static struct sco_conn *sco_conn_add(struct hci_conn *hcon) return NULL; spin_lock_init(&conn->lock); + INIT_DELAYED_WORK(&conn->timeout_work, sco_sock_timeout); hcon->sco_data = conn; conn->hcon = hcon; @@ -196,11 +197,11 @@ static void sco_conn_del(struct hci_conn *hcon, int err) sco_chan_del(sk, err); bh_unlock_sock(sk); sock_put(sk); - - /* Ensure no more work items will run before freeing conn. */ - cancel_delayed_work_sync(&conn->timeout_work); } + /* Ensure no more work items will run before freeing conn. */ + cancel_delayed_work_sync(&conn->timeout_work); + hcon->sco_data = NULL; kfree(conn); } @@ -213,8 +214,6 @@ static void __sco_chan_add(struct sco_conn *conn, struct sock *sk, sco_pi(sk)->conn = conn; conn->sk = sk; - INIT_DELAYED_WORK(&conn->timeout_work, sco_sock_timeout); - if (parent) bt_accept_enqueue(parent, sk, true); } @@ -280,7 +279,8 @@ static int sco_connect(struct hci_dev *hdev, struct sock *sk) return err; } -static int sco_send_frame(struct sock *sk, struct msghdr *msg, int len) +static int sco_send_frame(struct sock *sk, void *buf, int len, + unsigned int msg_flags) { struct sco_conn *conn = sco_pi(sk)->conn; struct sk_buff *skb; @@ -292,15 +292,11 @@ static int sco_send_frame(struct sock *sk, struct msghdr *msg, int len) BT_DBG("sk %p len %d", sk, len); - skb = bt_skb_send_alloc(sk, len, msg->msg_flags & MSG_DONTWAIT, &err); + skb = bt_skb_send_alloc(sk, len, msg_flags & MSG_DONTWAIT, &err); if (!skb) return err; - if (memcpy_from_msg(skb_put(skb, len), msg, len)) { - kfree_skb(skb); - return -EFAULT; - } - + memcpy(skb_put(skb, len), buf, len); hci_send_sco(conn->hcon, skb); return len; @@ -714,6 +710,7 @@ static int sco_sock_sendmsg(struct socket *sock, struct msghdr *msg, size_t len) { struct sock *sk = sock->sk; + void *buf; int err; BT_DBG("sock %p, sk %p", sock, sk); @@ -725,14 +722,24 @@ static int sco_sock_sendmsg(struct socket *sock, struct msghdr *msg, if (msg->msg_flags & MSG_OOB) return -EOPNOTSUPP; + buf = kmalloc(len, GFP_KERNEL); + if (!buf) + return -ENOMEM; + + if (memcpy_from_msg(buf, msg, len)) { + kfree(buf); + return -EFAULT; + } + lock_sock(sk); if (sk->sk_state == BT_CONNECTED) - err = sco_send_frame(sk, msg, len); + err = sco_send_frame(sk, buf, len, msg->msg_flags); else err = -ENOTCONN; release_sock(sk); + kfree(buf); return err; } diff --git a/net/core/dev.c b/net/core/dev.c index 397bc2f50de08..2519a90a14827 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2648,6 +2648,8 @@ int netif_set_real_num_tx_queues(struct net_device *dev, unsigned int txq) if (dev->num_tc) netif_setup_tc(dev, txq); + dev_qdisc_change_real_num_tx(dev, txq); + dev->real_num_tx_queues = txq; if (disabling) { diff --git a/net/core/stream.c b/net/core/stream.c index 7f5eaa95a6756..3d98774cf1285 100644 --- a/net/core/stream.c +++ b/net/core/stream.c @@ -195,9 +195,6 @@ void sk_stream_kill_queues(struct sock *sk) /* First the read buffer. */ __skb_queue_purge(&sk->sk_receive_queue); - /* Next, the error queue. */ - __skb_queue_purge(&sk->sk_error_queue); - /* Next, the write queue. */ WARN_ON(!skb_queue_empty(&sk->sk_write_queue)); diff --git a/net/core/sysctl_net_core.c b/net/core/sysctl_net_core.c index 2597449ae9b48..0a0bf80623658 100644 --- a/net/core/sysctl_net_core.c +++ b/net/core/sysctl_net_core.c @@ -417,7 +417,7 @@ static struct ctl_table net_core_table[] = { .mode = 0600, .proc_handler = proc_dolongvec_minmax_bpf_restricted, .extra1 = &long_one, - .extra2 = &long_max, + .extra2 = &bpf_jit_limit_max, }, #endif { diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index 769e1f683471a..4dce1b418acc2 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -952,7 +952,7 @@ static int tcp_send_mss(struct sock *sk, int *size_goal, int flags) */ static void tcp_remove_empty_skb(struct sock *sk, struct sk_buff *skb) { - if (skb && !skb->len) { + if (skb && TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) { tcp_unlink_write_queue(skb, sk); if (tcp_write_queue_empty(sk)) tcp_chrono_stop(sk, TCP_CHRONO_BUSY); diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c index 76c097552ea74..9d8b791f63efc 100644 --- a/net/ipv6/addrconf.c +++ b/net/ipv6/addrconf.c @@ -3054,6 +3054,9 @@ static void sit_add_v4_addrs(struct inet6_dev *idev) memcpy(&addr.s6_addr32[3], idev->dev->dev_addr, 4); if (idev->dev->flags&IFF_POINTOPOINT) { + if (idev->cnf.addr_gen_mode == IN6_ADDR_GEN_MODE_NONE) + return; + addr.s6_addr32[0] = htonl(0xfe800000); scope = IFA_LINK; plen = 64; diff --git a/net/netfilter/nfnetlink_queue.c b/net/netfilter/nfnetlink_queue.c index f81a3ce0fe48e..eb5a052d3b252 100644 --- a/net/netfilter/nfnetlink_queue.c +++ b/net/netfilter/nfnetlink_queue.c @@ -566,7 +566,7 @@ nfqnl_build_packet_message(struct net *net, struct nfqnl_instance *queue, goto nla_put_failure; if (indev && entskb->dev && - entskb->mac_header != entskb->network_header) { + skb_mac_header_was_set(entskb)) { struct nfqnl_msg_packet_hw phw; int len; diff --git a/net/nfc/core.c b/net/nfc/core.c index 947a470f929d6..ff646d1758d16 100644 --- a/net/nfc/core.c +++ b/net/nfc/core.c @@ -106,13 +106,13 @@ int nfc_dev_up(struct nfc_dev *dev) device_lock(&dev->dev); - if (dev->rfkill && rfkill_blocked(dev->rfkill)) { - rc = -ERFKILL; + if (!device_is_registered(&dev->dev)) { + rc = -ENODEV; goto error; } - if (!device_is_registered(&dev->dev)) { - rc = -ENODEV; + if (dev->rfkill && rfkill_blocked(dev->rfkill)) { + rc = -ERFKILL; goto error; } @@ -1130,11 +1130,7 @@ int nfc_register_device(struct nfc_dev *dev) if (rc) pr_err("Could not register llcp device\n"); - rc = nfc_genl_device_added(dev); - if (rc) - pr_debug("The userspace won't be notified that the device %s was added\n", - dev_name(&dev->dev)); - + device_lock(&dev->dev); dev->rfkill = rfkill_alloc(dev_name(&dev->dev), &dev->dev, RFKILL_TYPE_NFC, &nfc_rfkill_ops, dev); if (dev->rfkill) { @@ -1143,6 +1139,12 @@ int nfc_register_device(struct nfc_dev *dev) dev->rfkill = NULL; } } + device_unlock(&dev->dev); + + rc = nfc_genl_device_added(dev); + if (rc) + pr_debug("The userspace won't be notified that the device %s was added\n", + dev_name(&dev->dev)); return 0; } @@ -1159,10 +1161,17 @@ void nfc_unregister_device(struct nfc_dev *dev) pr_debug("dev_name=%s\n", dev_name(&dev->dev)); + rc = nfc_genl_device_removed(dev); + if (rc) + pr_debug("The userspace won't be notified that the device %s " + "was removed\n", dev_name(&dev->dev)); + + device_lock(&dev->dev); if (dev->rfkill) { rfkill_unregister(dev->rfkill); rfkill_destroy(dev->rfkill); } + device_unlock(&dev->dev); if (dev->ops->check_presence) { device_lock(&dev->dev); @@ -1172,11 +1181,6 @@ void nfc_unregister_device(struct nfc_dev *dev) cancel_work_sync(&dev->check_pres_work); } - rc = nfc_genl_device_removed(dev); - if (rc) - pr_debug("The userspace won't be notified that the device %s " - "was removed\n", dev_name(&dev->dev)); - nfc_llcp_unregister_device(dev); mutex_lock(&nfc_devlist_mutex); diff --git a/net/nfc/nci/core.c b/net/nfc/nci/core.c index 33c23af6709d4..1008bbbb3af9c 100644 --- a/net/nfc/nci/core.c +++ b/net/nfc/nci/core.c @@ -156,12 +156,15 @@ inline int nci_request(struct nci_dev *ndev, { int rc; - if (!test_bit(NCI_UP, &ndev->flags)) - return -ENETDOWN; - /* Serialize all requests */ mutex_lock(&ndev->req_lock); - rc = __nci_request(ndev, req, opt, timeout); + /* check the state after obtaing the lock against any races + * from nci_close_device when the device gets removed. + */ + if (test_bit(NCI_UP, &ndev->flags)) + rc = __nci_request(ndev, req, opt, timeout); + else + rc = -ENETDOWN; mutex_unlock(&ndev->req_lock); return rc; diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 4e15913e7519e..2128b77d5cb33 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -1256,6 +1256,15 @@ static int qdisc_change_tx_queue_len(struct net_device *dev, return 0; } +void dev_qdisc_change_real_num_tx(struct net_device *dev, + unsigned int new_real_tx) +{ + struct Qdisc *qdisc = dev->qdisc; + + if (qdisc->ops->change_real_num_tx) + qdisc->ops->change_real_num_tx(qdisc, new_real_tx); +} + int dev_qdisc_change_tx_queue_len(struct net_device *dev) { bool up = dev->flags & IFF_UP; diff --git a/net/sched/sch_mq.c b/net/sched/sch_mq.c index c008a316e9436..699b6bb444cea 100644 --- a/net/sched/sch_mq.c +++ b/net/sched/sch_mq.c @@ -130,6 +130,29 @@ static void mq_attach(struct Qdisc *sch) priv->qdiscs = NULL; } +static void mq_change_real_num_tx(struct Qdisc *sch, unsigned int new_real_tx) +{ +#ifdef CONFIG_NET_SCHED + struct net_device *dev = qdisc_dev(sch); + struct Qdisc *qdisc; + unsigned int i; + + for (i = new_real_tx; i < dev->real_num_tx_queues; i++) { + qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping; + /* Only update the default qdiscs we created, + * qdiscs with handles are always hashed. + */ + if (qdisc != &noop_qdisc && !qdisc->handle) + qdisc_hash_del(qdisc); + } + for (i = dev->real_num_tx_queues; i < new_real_tx; i++) { + qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping; + if (qdisc != &noop_qdisc && !qdisc->handle) + qdisc_hash_add(qdisc, false); + } +#endif +} + static int mq_dump(struct Qdisc *sch, struct sk_buff *skb) { struct net_device *dev = qdisc_dev(sch); @@ -285,6 +308,7 @@ struct Qdisc_ops mq_qdisc_ops __read_mostly = { .init = mq_init, .destroy = mq_destroy, .attach = mq_attach, + .change_real_num_tx = mq_change_real_num_tx, .dump = mq_dump, .owner = THIS_MODULE, }; diff --git a/net/sched/sch_mqprio.c b/net/sched/sch_mqprio.c index fcfe41a954733..3fd0e5dd7ae3e 100644 --- a/net/sched/sch_mqprio.c +++ b/net/sched/sch_mqprio.c @@ -308,6 +308,28 @@ static void mqprio_attach(struct Qdisc *sch) priv->qdiscs = NULL; } +static void mqprio_change_real_num_tx(struct Qdisc *sch, + unsigned int new_real_tx) +{ + struct net_device *dev = qdisc_dev(sch); + struct Qdisc *qdisc; + unsigned int i; + + for (i = new_real_tx; i < dev->real_num_tx_queues; i++) { + qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping; + /* Only update the default qdiscs we created, + * qdiscs with handles are always hashed. + */ + if (qdisc != &noop_qdisc && !qdisc->handle) + qdisc_hash_del(qdisc); + } + for (i = dev->real_num_tx_queues; i < new_real_tx; i++) { + qdisc = netdev_get_tx_queue(dev, i)->qdisc_sleeping; + if (qdisc != &noop_qdisc && !qdisc->handle) + qdisc_hash_add(qdisc, false); + } +} + static struct netdev_queue *mqprio_queue_get(struct Qdisc *sch, unsigned long cl) { @@ -632,6 +654,7 @@ static struct Qdisc_ops mqprio_qdisc_ops __read_mostly = { .init = mqprio_init, .destroy = mqprio_destroy, .attach = mqprio_attach, + .change_real_num_tx = mqprio_change_real_num_tx, .dump = mqprio_dump, .owner = THIS_MODULE, }; diff --git a/net/vmw_vsock/af_vsock.c b/net/vmw_vsock/af_vsock.c index 2d31fce5c2185..37329e11dc3cc 100644 --- a/net/vmw_vsock/af_vsock.c +++ b/net/vmw_vsock/af_vsock.c @@ -1159,6 +1159,8 @@ static int vsock_stream_connect(struct socket *sock, struct sockaddr *addr, * non-blocking call. */ err = -EALREADY; + if (flags & O_NONBLOCK) + goto out; break; default: if ((sk->sk_state == TCP_LISTEN) || diff --git a/net/wireless/util.c b/net/wireless/util.c index e7be500b64525..82bf1339c28e8 100644 --- a/net/wireless/util.c +++ b/net/wireless/util.c @@ -950,6 +950,7 @@ int cfg80211_change_iface(struct cfg80211_registered_device *rdev, switch (otype) { case NL80211_IFTYPE_AP: + case NL80211_IFTYPE_P2P_GO: cfg80211_stop_ap(rdev, dev, true); break; case NL80211_IFTYPE_ADHOC: diff --git a/samples/kprobes/kretprobe_example.c b/samples/kprobes/kretprobe_example.c index 7f9060f435cde..da6de5e78e1dd 100644 --- a/samples/kprobes/kretprobe_example.c +++ b/samples/kprobes/kretprobe_example.c @@ -83,7 +83,7 @@ static int __init kretprobe_init(void) ret = register_kretprobe(&my_kretprobe); if (ret < 0) { pr_err("register_kretprobe failed, returned %d\n", ret); - return -1; + return ret; } pr_info("Planted return probe at %s: %p\n", my_kretprobe.kp.symbol_name, my_kretprobe.kp.addr); diff --git a/scripts/leaking_addresses.pl b/scripts/leaking_addresses.pl index 6a897788f5a7e..6e4b0f7ae38cf 100755 --- a/scripts/leaking_addresses.pl +++ b/scripts/leaking_addresses.pl @@ -456,8 +456,9 @@ sub parse_file open my $fh, "<", $file or return; while ( <$fh> ) { + chomp; if (may_leak_address($_)) { - print $file . ': ' . $_; + printf("$file: $_\n"); } } close $fh; diff --git a/security/Kconfig b/security/Kconfig index d9aa521b52063..27e73c3b43923 100644 --- a/security/Kconfig +++ b/security/Kconfig @@ -191,6 +191,9 @@ config HARDENED_USERCOPY_PAGESPAN config FORTIFY_SOURCE bool "Harden common str/mem functions against buffer overflows" depends on ARCH_HAS_FORTIFY_SOURCE + # https://bugs.llvm.org/show_bug.cgi?id=50322 + # https://bugs.llvm.org/show_bug.cgi?id=41459 + depends on !CC_IS_CLANG help Detect overflows of buffers in common string and memory functions where the compiler can determine and validate the buffer sizes. diff --git a/security/apparmor/label.c b/security/apparmor/label.c index 6727e6fb69df2..5a80a16a7f751 100644 --- a/security/apparmor/label.c +++ b/security/apparmor/label.c @@ -1463,7 +1463,7 @@ bool aa_update_label_name(struct aa_ns *ns, struct aa_label *label, gfp_t gfp) if (label->hname || labels_ns(label) != ns) return res; - if (aa_label_acntsxprint(&name, ns, label, FLAGS_NONE, gfp) == -1) + if (aa_label_acntsxprint(&name, ns, label, FLAGS_NONE, gfp) < 0) return res; ls = labels_set(label); @@ -1713,7 +1713,7 @@ int aa_label_asxprint(char **strp, struct aa_ns *ns, struct aa_label *label, /** * aa_label_acntsxprint - allocate a __counted string buffer and print label - * @strp: buffer to write to. (MAY BE NULL if @size == 0) + * @strp: buffer to write to. * @ns: namespace profile is being viewed from * @label: label to view (NOT NULL) * @flags: flags controlling what label info is printed diff --git a/security/integrity/evm/evm_main.c b/security/integrity/evm/evm_main.c index d11a61f7b2009..6d1efe1359f17 100644 --- a/security/integrity/evm/evm_main.c +++ b/security/integrity/evm/evm_main.c @@ -59,7 +59,7 @@ static struct xattr_list evm_config_default_xattrnames[] = { LIST_HEAD(evm_config_xattrnames); -static int evm_fixmode; +static int evm_fixmode __ro_after_init; static int __init evm_set_fixmode(char *str) { if (strncmp(str, "fix", 3) == 0) diff --git a/security/security.c b/security/security.c index 9478444bf93f7..fc1410550b79f 100644 --- a/security/security.c +++ b/security/security.c @@ -232,25 +232,25 @@ EXPORT_SYMBOL(unregister_lsm_notifier); /* Security operations */ -int security_binder_set_context_mgr(struct task_struct *mgr) +int security_binder_set_context_mgr(const struct cred *mgr) { return call_int_hook(binder_set_context_mgr, 0, mgr); } -int security_binder_transaction(struct task_struct *from, - struct task_struct *to) +int security_binder_transaction(const struct cred *from, + const struct cred *to) { return call_int_hook(binder_transaction, 0, from, to); } -int security_binder_transfer_binder(struct task_struct *from, - struct task_struct *to) +int security_binder_transfer_binder(const struct cred *from, + const struct cred *to) { return call_int_hook(binder_transfer_binder, 0, from, to); } -int security_binder_transfer_file(struct task_struct *from, - struct task_struct *to, struct file *file) +int security_binder_transfer_file(const struct cred *from, + const struct cred *to, struct file *file) { return call_int_hook(binder_transfer_file, 0, from, to, file); } diff --git a/security/selinux/hooks.c b/security/selinux/hooks.c index 08833bbb97aab..89dfdbb131291 100644 --- a/security/selinux/hooks.c +++ b/security/selinux/hooks.c @@ -2218,22 +2218,19 @@ static inline u32 open_file_to_av(struct file *file) /* Hook functions begin here. */ -static int selinux_binder_set_context_mgr(struct task_struct *mgr) +static int selinux_binder_set_context_mgr(const struct cred *mgr) { - u32 mysid = current_sid(); - u32 mgrsid = task_sid(mgr); - return avc_has_perm(&selinux_state, - mysid, mgrsid, SECCLASS_BINDER, + current_sid(), cred_sid(mgr), SECCLASS_BINDER, BINDER__SET_CONTEXT_MGR, NULL); } -static int selinux_binder_transaction(struct task_struct *from, - struct task_struct *to) +static int selinux_binder_transaction(const struct cred *from, + const struct cred *to) { u32 mysid = current_sid(); - u32 fromsid = task_sid(from); - u32 tosid = task_sid(to); + u32 fromsid = cred_sid(from); + u32 tosid = cred_sid(to); int rc; if (mysid != fromsid) { @@ -2244,27 +2241,24 @@ static int selinux_binder_transaction(struct task_struct *from, return rc; } - return avc_has_perm(&selinux_state, - fromsid, tosid, SECCLASS_BINDER, BINDER__CALL, - NULL); + return avc_has_perm(&selinux_state, fromsid, tosid, + SECCLASS_BINDER, BINDER__CALL, NULL); } -static int selinux_binder_transfer_binder(struct task_struct *from, - struct task_struct *to) +static int selinux_binder_transfer_binder(const struct cred *from, + const struct cred *to) { - u32 fromsid = task_sid(from); - u32 tosid = task_sid(to); - return avc_has_perm(&selinux_state, - fromsid, tosid, SECCLASS_BINDER, BINDER__TRANSFER, + cred_sid(from), cred_sid(to), + SECCLASS_BINDER, BINDER__TRANSFER, NULL); } -static int selinux_binder_transfer_file(struct task_struct *from, - struct task_struct *to, +static int selinux_binder_transfer_file(const struct cred *from, + const struct cred *to, struct file *file) { - u32 sid = task_sid(to); + u32 sid = cred_sid(to); struct file_security_struct *fsec = file->f_security; struct dentry *dentry = file->f_path.dentry; struct inode_security_struct *isec; diff --git a/security/smack/smackfs.c b/security/smack/smackfs.c index 009e83ee2d002..a9c516362170a 100644 --- a/security/smack/smackfs.c +++ b/security/smack/smackfs.c @@ -721,9 +721,7 @@ static void smk_cipso_doi(void) printk(KERN_WARNING "%s:%d remove rc = %d\n", __func__, __LINE__, rc); - doip = kmalloc(sizeof(struct cipso_v4_doi), GFP_KERNEL); - if (doip == NULL) - panic("smack: Failed to initialize cipso DOI.\n"); + doip = kmalloc(sizeof(struct cipso_v4_doi), GFP_KERNEL | __GFP_NOFAIL); doip->map.std = NULL; doip->doi = smk_cipso_doi_value; doip->type = CIPSO_V4_MAP_PASS; @@ -742,7 +740,7 @@ static void smk_cipso_doi(void) if (rc != 0) { printk(KERN_WARNING "%s:%d map add rc = %d\n", __func__, __LINE__, rc); - kfree(doip); + netlbl_cfg_cipsov4_del(doip->doi, &nai); return; } } @@ -859,6 +857,7 @@ static int smk_open_cipso(struct inode *inode, struct file *file) static ssize_t smk_set_cipso(struct file *file, const char __user *buf, size_t count, loff_t *ppos, int format) { + struct netlbl_lsm_catmap *old_cat; struct smack_known *skp; struct netlbl_lsm_secattr ncats; char mapcatset[SMK_CIPSOLEN]; @@ -948,9 +947,11 @@ static ssize_t smk_set_cipso(struct file *file, const char __user *buf, rc = smk_netlbl_mls(maplevel, mapcatset, &ncats, SMK_CIPSOLEN); if (rc >= 0) { - netlbl_catmap_free(skp->smk_netlabel.attr.mls.cat); + old_cat = skp->smk_netlabel.attr.mls.cat; skp->smk_netlabel.attr.mls.cat = ncats.attr.mls.cat; skp->smk_netlabel.attr.mls.lvl = ncats.attr.mls.lvl; + synchronize_rcu(); + netlbl_catmap_free(old_cat); rc = count; } diff --git a/sound/core/Makefile b/sound/core/Makefile index ee4a4a6b99ba7..d123587c0fd8f 100644 --- a/sound/core/Makefile +++ b/sound/core/Makefile @@ -9,7 +9,9 @@ ifneq ($(CONFIG_SND_PROC_FS),) snd-y += info.o snd-$(CONFIG_SND_OSSEMUL) += info_oss.o endif +ifneq ($(CONFIG_M68K),y) snd-$(CONFIG_ISA_DMA_API) += isadma.o +endif snd-$(CONFIG_SND_OSSEMUL) += sound_oss.o snd-$(CONFIG_SND_VMASTER) += vmaster.o snd-$(CONFIG_SND_JACK) += ctljack.o jack.o diff --git a/sound/core/oss/mixer_oss.c b/sound/core/oss/mixer_oss.c index 64d904bee8bb3..cb27bbe75e614 100644 --- a/sound/core/oss/mixer_oss.c +++ b/sound/core/oss/mixer_oss.c @@ -145,11 +145,13 @@ static int snd_mixer_oss_devmask(struct snd_mixer_oss_file *fmixer) if (mixer == NULL) return -EIO; + mutex_lock(&mixer->reg_mutex); for (chn = 0; chn < 31; chn++) { pslot = &mixer->slots[chn]; if (pslot->put_volume || pslot->put_recsrc) result |= 1 << chn; } + mutex_unlock(&mixer->reg_mutex); return result; } @@ -161,11 +163,13 @@ static int snd_mixer_oss_stereodevs(struct snd_mixer_oss_file *fmixer) if (mixer == NULL) return -EIO; + mutex_lock(&mixer->reg_mutex); for (chn = 0; chn < 31; chn++) { pslot = &mixer->slots[chn]; if (pslot->put_volume && pslot->stereo) result |= 1 << chn; } + mutex_unlock(&mixer->reg_mutex); return result; } @@ -176,6 +180,7 @@ static int snd_mixer_oss_recmask(struct snd_mixer_oss_file *fmixer) if (mixer == NULL) return -EIO; + mutex_lock(&mixer->reg_mutex); if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */ result = mixer->mask_recsrc; } else { @@ -187,6 +192,7 @@ static int snd_mixer_oss_recmask(struct snd_mixer_oss_file *fmixer) result |= 1 << chn; } } + mutex_unlock(&mixer->reg_mutex); return result; } @@ -197,11 +203,12 @@ static int snd_mixer_oss_get_recsrc(struct snd_mixer_oss_file *fmixer) if (mixer == NULL) return -EIO; + mutex_lock(&mixer->reg_mutex); if (mixer->put_recsrc && mixer->get_recsrc) { /* exclusive */ - int err; unsigned int index; - if ((err = mixer->get_recsrc(fmixer, &index)) < 0) - return err; + result = mixer->get_recsrc(fmixer, &index); + if (result < 0) + goto unlock; result = 1 << index; } else { struct snd_mixer_oss_slot *pslot; @@ -216,7 +223,10 @@ static int snd_mixer_oss_get_recsrc(struct snd_mixer_oss_file *fmixer) } } } - return mixer->oss_recsrc = result; + mixer->oss_recsrc = result; + unlock: + mutex_unlock(&mixer->reg_mutex); + return result; } static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsrc) @@ -229,6 +239,7 @@ static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsr if (mixer == NULL) return -EIO; + mutex_lock(&mixer->reg_mutex); if (mixer->get_recsrc && mixer->put_recsrc) { /* exclusive input */ if (recsrc & ~mixer->oss_recsrc) recsrc &= ~mixer->oss_recsrc; @@ -254,6 +265,7 @@ static int snd_mixer_oss_set_recsrc(struct snd_mixer_oss_file *fmixer, int recsr } } } + mutex_unlock(&mixer->reg_mutex); return result; } @@ -265,6 +277,7 @@ static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot) if (mixer == NULL || slot > 30) return -EIO; + mutex_lock(&mixer->reg_mutex); pslot = &mixer->slots[slot]; left = pslot->volume[0]; right = pslot->volume[1]; @@ -272,15 +285,21 @@ static int snd_mixer_oss_get_volume(struct snd_mixer_oss_file *fmixer, int slot) result = pslot->get_volume(fmixer, pslot, &left, &right); if (!pslot->stereo) right = left; - if (snd_BUG_ON(left < 0 || left > 100)) - return -EIO; - if (snd_BUG_ON(right < 0 || right > 100)) - return -EIO; + if (snd_BUG_ON(left < 0 || left > 100)) { + result = -EIO; + goto unlock; + } + if (snd_BUG_ON(right < 0 || right > 100)) { + result = -EIO; + goto unlock; + } if (result >= 0) { pslot->volume[0] = left; pslot->volume[1] = right; result = (left & 0xff) | ((right & 0xff) << 8); } + unlock: + mutex_unlock(&mixer->reg_mutex); return result; } @@ -293,6 +312,7 @@ static int snd_mixer_oss_set_volume(struct snd_mixer_oss_file *fmixer, if (mixer == NULL || slot > 30) return -EIO; + mutex_lock(&mixer->reg_mutex); pslot = &mixer->slots[slot]; if (left > 100) left = 100; @@ -303,10 +323,13 @@ static int snd_mixer_oss_set_volume(struct snd_mixer_oss_file *fmixer, if (pslot->put_volume) result = pslot->put_volume(fmixer, pslot, left, right); if (result < 0) - return result; + goto unlock; pslot->volume[0] = left; pslot->volume[1] = right; - return (left & 0xff) | ((right & 0xff) << 8); + result = (left & 0xff) | ((right & 0xff) << 8); + unlock: + mutex_unlock(&mixer->reg_mutex); + return result; } static int snd_mixer_oss_ioctl1(struct snd_mixer_oss_file *fmixer, unsigned int cmd, unsigned long arg) diff --git a/sound/core/timer.c b/sound/core/timer.c index b4fe1324b56c2..4920ec4f45948 100644 --- a/sound/core/timer.c +++ b/sound/core/timer.c @@ -593,13 +593,13 @@ static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop) if (!timer) return -EINVAL; spin_lock_irqsave(&timer->lock, flags); + list_del_init(&timeri->ack_list); + list_del_init(&timeri->active_list); if (!(timeri->flags & (SNDRV_TIMER_IFLG_RUNNING | SNDRV_TIMER_IFLG_START))) { result = -EBUSY; goto unlock; } - list_del_init(&timeri->ack_list); - list_del_init(&timeri->active_list); if (timer->card && timer->card->shutdown) goto unlock; if (stop) { @@ -634,23 +634,22 @@ static int snd_timer_stop1(struct snd_timer_instance *timeri, bool stop) static int snd_timer_stop_slave(struct snd_timer_instance *timeri, bool stop) { unsigned long flags; + bool running; spin_lock_irqsave(&slave_active_lock, flags); - if (!(timeri->flags & SNDRV_TIMER_IFLG_RUNNING)) { - spin_unlock_irqrestore(&slave_active_lock, flags); - return -EBUSY; - } + running = timeri->flags & SNDRV_TIMER_IFLG_RUNNING; timeri->flags &= ~SNDRV_TIMER_IFLG_RUNNING; if (timeri->timer) { spin_lock(&timeri->timer->lock); list_del_init(&timeri->ack_list); list_del_init(&timeri->active_list); - snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP : - SNDRV_TIMER_EVENT_PAUSE); + if (running) + snd_timer_notify1(timeri, stop ? SNDRV_TIMER_EVENT_STOP : + SNDRV_TIMER_EVENT_PAUSE); spin_unlock(&timeri->timer->lock); } spin_unlock_irqrestore(&slave_active_lock, flags); - return 0; + return running ? 0 : -EBUSY; } /* diff --git a/sound/isa/Kconfig b/sound/isa/Kconfig index d7db1eeebc844..f8f3433925bb4 100644 --- a/sound/isa/Kconfig +++ b/sound/isa/Kconfig @@ -21,7 +21,7 @@ config SND_SB16_DSP menuconfig SND_ISA bool "ISA sound devices" depends on ISA || COMPILE_TEST - depends on ISA_DMA_API + depends on ISA_DMA_API && !M68K default y help Support for sound devices connected via the ISA bus. diff --git a/sound/isa/gus/gus_dma.c b/sound/isa/gus/gus_dma.c index 7f95f452f1064..48e76b8fede41 100644 --- a/sound/isa/gus/gus_dma.c +++ b/sound/isa/gus/gus_dma.c @@ -141,6 +141,8 @@ static void snd_gf1_dma_interrupt(struct snd_gus_card * gus) } block = snd_gf1_dma_next_block(gus); spin_unlock(&gus->dma_lock); + if (!block) + return; snd_gf1_dma_program(gus, block->addr, block->buf_addr, block->count, (unsigned short) block->cmd); kfree(block); #if 0 diff --git a/sound/pci/Kconfig b/sound/pci/Kconfig index 4105d9f653d90..bbaf46dc3f804 100644 --- a/sound/pci/Kconfig +++ b/sound/pci/Kconfig @@ -278,6 +278,7 @@ config SND_CS46XX_NEW_DSP config SND_CS5530 tristate "CS5530 Audio" depends on ISA_DMA_API && (X86_32 || COMPILE_TEST) + depends on !M68K select SND_SB16_DSP help Say Y here to include support for audio on Cyrix/NatSemi CS5530 chips. diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c index 2cd8bfd5293b9..7d4b6c31dfe70 100644 --- a/sound/pci/hda/hda_intel.c +++ b/sound/pci/hda/hda_intel.c @@ -743,13 +743,17 @@ static int azx_intel_link_power(struct azx *chip, bool enable) * the update-IRQ timing. The IRQ is issued before actually the * data is processed. So, we need to process it afterwords in a * workqueue. + * + * Returns 1 if OK to proceed, 0 for delay handling, -1 for skipping update */ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) { struct snd_pcm_substream *substream = azx_dev->core.substream; + struct snd_pcm_runtime *runtime = substream->runtime; int stream = substream->stream; u32 wallclk; unsigned int pos; + snd_pcm_uframes_t hwptr, target; wallclk = azx_readl(chip, WALLCLK) - azx_dev->core.start_wallclk; if (wallclk < (azx_dev->core.period_wallclk * 2) / 3) @@ -786,6 +790,24 @@ static int azx_position_ok(struct azx *chip, struct azx_dev *azx_dev) /* NG - it's below the first next period boundary */ return chip->bdl_pos_adj ? 0 : -1; azx_dev->core.start_wallclk += wallclk; + + if (azx_dev->core.no_period_wakeup) + return 1; /* OK, no need to check period boundary */ + + if (runtime->hw_ptr_base != runtime->hw_ptr_interrupt) + return 1; /* OK, already in hwptr updating process */ + + /* check whether the period gets really elapsed */ + pos = bytes_to_frames(runtime, pos); + hwptr = runtime->hw_ptr_base + pos; + if (hwptr < runtime->status->hw_ptr) + hwptr += runtime->buffer_size; + target = runtime->hw_ptr_interrupt + runtime->period_size; + if (hwptr < target) { + /* too early wakeup, process it later */ + return chip->bdl_pos_adj ? 0 : -1; + } + return 1; /* OK, it's fine */ } @@ -983,11 +1005,7 @@ static unsigned int azx_get_pos_skl(struct azx *chip, struct azx_dev *azx_dev) if (azx_dev->core.substream->stream == SNDRV_PCM_STREAM_PLAYBACK) return azx_skl_get_dpib_pos(chip, azx_dev); - /* For capture, we need to read posbuf, but it requires a delay - * for the possible boundary overlap; the read of DPIB fetches the - * actual posbuf - */ - udelay(20); + /* read of DPIB fetches the actual posbuf */ azx_skl_get_dpib_pos(chip, azx_dev); return azx_get_pos_posbuf(chip, azx_dev); } diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c index 2161c57d26c5d..56d87e53346f1 100644 --- a/sound/pci/hda/patch_realtek.c +++ b/sound/pci/hda/patch_realtek.c @@ -2525,6 +2525,7 @@ static const struct snd_pci_quirk alc882_fixup_tbl[] = { SND_PCI_QUIRK(0x1558, 0x67d1, "Clevo PB71[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x67e1, "Clevo PB71[DE][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x67e5, "Clevo PC70D[PRS](?:-D|-G)?", ALC1220_FIXUP_CLEVO_PB51ED_PINS), + SND_PCI_QUIRK(0x1558, 0x67f1, "Clevo PC70H[PRS]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x70d1, "Clevo PC70[ER][CDF]", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x7714, "Clevo X170SM", ALC1220_FIXUP_CLEVO_PB51ED_PINS), SND_PCI_QUIRK(0x1558, 0x7715, "Clevo X170KM-G", ALC1220_FIXUP_CLEVO_PB51ED), diff --git a/sound/soc/codecs/cs42l42.c b/sound/soc/codecs/cs42l42.c index 4cb3e11c66af7..9471ba17e371b 100644 --- a/sound/soc/codecs/cs42l42.c +++ b/sound/soc/codecs/cs42l42.c @@ -95,7 +95,7 @@ static const struct reg_default cs42l42_reg_defaults[] = { { CS42L42_ASP_RX_INT_MASK, 0x1F }, { CS42L42_ASP_TX_INT_MASK, 0x0F }, { CS42L42_CODEC_INT_MASK, 0x03 }, - { CS42L42_SRCPL_INT_MASK, 0xFF }, + { CS42L42_SRCPL_INT_MASK, 0x7F }, { CS42L42_VPMON_INT_MASK, 0x01 }, { CS42L42_PLL_LOCK_INT_MASK, 0x01 }, { CS42L42_TSRS_PLUG_INT_MASK, 0x0F }, @@ -132,7 +132,7 @@ static const struct reg_default cs42l42_reg_defaults[] = { { CS42L42_MIXER_CHA_VOL, 0x3F }, { CS42L42_MIXER_ADC_VOL, 0x3F }, { CS42L42_MIXER_CHB_VOL, 0x3F }, - { CS42L42_EQ_COEF_IN0, 0x22 }, + { CS42L42_EQ_COEF_IN0, 0x00 }, { CS42L42_EQ_COEF_IN1, 0x00 }, { CS42L42_EQ_COEF_IN2, 0x00 }, { CS42L42_EQ_COEF_IN3, 0x00 }, @@ -1799,8 +1799,9 @@ static int cs42l42_i2c_probe(struct i2c_client *i2c_client, NULL, cs42l42_irq_thread, IRQF_ONESHOT | IRQF_TRIGGER_LOW, "cs42l42", cs42l42); - - if (ret != 0) + if (ret == -EPROBE_DEFER) + goto err_disable; + else if (ret != 0) dev_err(&i2c_client->dev, "Failed to request IRQ: %d\n", ret); diff --git a/sound/soc/codecs/nau8824.c b/sound/soc/codecs/nau8824.c index 663a208c2f784..4af87340b1655 100644 --- a/sound/soc/codecs/nau8824.c +++ b/sound/soc/codecs/nau8824.c @@ -11,6 +11,7 @@ #include #include +#include #include #include #include @@ -30,6 +31,12 @@ #include "nau8824.h" +#define NAU8824_JD_ACTIVE_HIGH BIT(0) + +static int nau8824_quirk; +static int quirk_override = -1; +module_param_named(quirk, quirk_override, uint, 0444); +MODULE_PARM_DESC(quirk, "Board-specific quirk override"); static int nau8824_config_sysclk(struct nau8824 *nau8824, int clk_id, unsigned int freq); @@ -1878,6 +1885,34 @@ static int nau8824_read_device_properties(struct device *dev, return 0; } +/* Please keep this list alphabetically sorted */ +static const struct dmi_system_id nau8824_quirk_table[] = { + { + /* Cyberbook T116 rugged tablet */ + .matches = { + DMI_EXACT_MATCH(DMI_BOARD_VENDOR, "Default string"), + DMI_EXACT_MATCH(DMI_BOARD_NAME, "Cherry Trail CR"), + DMI_EXACT_MATCH(DMI_PRODUCT_SKU, "20170531"), + }, + .driver_data = (void *)(NAU8824_JD_ACTIVE_HIGH), + }, + {} +}; + +static void nau8824_check_quirks(void) +{ + const struct dmi_system_id *dmi_id; + + if (quirk_override != -1) { + nau8824_quirk = quirk_override; + return; + } + + dmi_id = dmi_first_match(nau8824_quirk_table); + if (dmi_id) + nau8824_quirk = (unsigned long)dmi_id->driver_data; +} + static int nau8824_i2c_probe(struct i2c_client *i2c, const struct i2c_device_id *id) { @@ -1902,6 +1937,11 @@ static int nau8824_i2c_probe(struct i2c_client *i2c, nau8824->irq = i2c->irq; sema_init(&nau8824->jd_sem, 1); + nau8824_check_quirks(); + + if (nau8824_quirk & NAU8824_JD_ACTIVE_HIGH) + nau8824->jkdet_polarity = 0; + nau8824_print_device_properties(nau8824); ret = regmap_read(nau8824->regmap, NAU8824_REG_I2C_DEVICE_ID, &value); diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 0f3489359d34c..e04c48c67458a 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -2511,8 +2511,13 @@ static struct snd_soc_dapm_widget *dapm_find_widget( return NULL; } -static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, - const char *pin, int status) +/* + * set the DAPM pin status: + * returns 1 when the value has been updated, 0 when unchanged, or a negative + * error code; called from kcontrol put callback + */ +static int __snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, + const char *pin, int status) { struct snd_soc_dapm_widget *w = dapm_find_widget(dapm, pin, true); int ret = 0; @@ -2538,6 +2543,18 @@ static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, return ret; } +/* + * similar as __snd_soc_dapm_set_pin(), but returns 0 when successful; + * called from several API functions below + */ +static int snd_soc_dapm_set_pin(struct snd_soc_dapm_context *dapm, + const char *pin, int status) +{ + int ret = __snd_soc_dapm_set_pin(dapm, pin, status); + + return ret < 0 ? ret : 0; +} + /** * snd_soc_dapm_sync_unlocked - scan and power dapm paths * @dapm: DAPM context @@ -3465,10 +3482,10 @@ int snd_soc_dapm_put_pin_switch(struct snd_kcontrol *kcontrol, const char *pin = (const char *)kcontrol->private_value; int ret; - if (ucontrol->value.integer.value[0]) - ret = snd_soc_dapm_enable_pin(&card->dapm, pin); - else - ret = snd_soc_dapm_disable_pin(&card->dapm, pin); + mutex_lock_nested(&card->dapm_mutex, SND_SOC_DAPM_CLASS_RUNTIME); + ret = __snd_soc_dapm_set_pin(&card->dapm, pin, + !!ucontrol->value.integer.value[0]); + mutex_unlock(&card->dapm_mutex); snd_soc_dapm_sync(&card->dapm); return ret; diff --git a/sound/synth/emux/emux.c b/sound/synth/emux/emux.c index 64f3141a3e1b4..d8140ad98d5f0 100644 --- a/sound/synth/emux/emux.c +++ b/sound/synth/emux/emux.c @@ -101,7 +101,7 @@ int snd_emux_register(struct snd_emux *emu, struct snd_card *card, int index, ch emu->name = kstrdup(name, GFP_KERNEL); emu->voices = kcalloc(emu->max_voices, sizeof(struct snd_emux_voice), GFP_KERNEL); - if (emu->voices == NULL) + if (emu->name == NULL || emu->voices == NULL) return -ENOMEM; /* create soundfont list */ diff --git a/sound/usb/6fire/comm.c b/sound/usb/6fire/comm.c index 161215d78d952..f29c115b9d564 100644 --- a/sound/usb/6fire/comm.c +++ b/sound/usb/6fire/comm.c @@ -99,7 +99,7 @@ static int usb6fire_comm_send_buffer(u8 *buffer, struct usb_device *dev) int actual_len; ret = usb_interrupt_msg(dev, usb_sndintpipe(dev, COMM_EP), - buffer, buffer[1] + 2, &actual_len, HZ); + buffer, buffer[1] + 2, &actual_len, 1000); if (ret < 0) return ret; else if (actual_len != buffer[1] + 2) diff --git a/sound/usb/6fire/firmware.c b/sound/usb/6fire/firmware.c index 9520b4cd70385..7a89111041edc 100644 --- a/sound/usb/6fire/firmware.c +++ b/sound/usb/6fire/firmware.c @@ -166,7 +166,7 @@ static int usb6fire_fw_ezusb_write(struct usb_device *device, ret = usb_control_msg(device, usb_sndctrlpipe(device, 0), type, USB_DIR_OUT | USB_TYPE_VENDOR | USB_RECIP_DEVICE, - value, 0, data, len, HZ); + value, 0, data, len, 1000); if (ret < 0) return ret; else if (ret != len) @@ -179,7 +179,7 @@ static int usb6fire_fw_ezusb_read(struct usb_device *device, { int ret = usb_control_msg(device, usb_rcvctrlpipe(device, 0), type, USB_DIR_IN | USB_TYPE_VENDOR | USB_RECIP_DEVICE, value, - 0, data, len, HZ); + 0, data, len, 1000); if (ret < 0) return ret; else if (ret != len) @@ -194,7 +194,7 @@ static int usb6fire_fw_fpga_write(struct usb_device *device, int ret; ret = usb_bulk_msg(device, usb_sndbulkpipe(device, FPGA_EP), data, len, - &actual_len, HZ); + &actual_len, 1000); if (ret < 0) return ret; else if (actual_len != len) diff --git a/sound/usb/line6/driver.c b/sound/usb/line6/driver.c index 2163fd6dce664..67d74218d861b 100644 --- a/sound/usb/line6/driver.c +++ b/sound/usb/line6/driver.c @@ -117,12 +117,12 @@ static int line6_send_raw_message(struct usb_line6 *line6, const char *buffer, retval = usb_interrupt_msg(line6->usbdev, usb_sndintpipe(line6->usbdev, properties->ep_ctrl_w), (char *)frag_buf, frag_size, - &partial, LINE6_TIMEOUT * HZ); + &partial, LINE6_TIMEOUT); } else { retval = usb_bulk_msg(line6->usbdev, usb_sndbulkpipe(line6->usbdev, properties->ep_ctrl_w), (char *)frag_buf, frag_size, - &partial, LINE6_TIMEOUT * HZ); + &partial, LINE6_TIMEOUT); } if (retval) { @@ -365,7 +365,7 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, (datalen << 8) | 0x21, address, - NULL, 0, LINE6_TIMEOUT * HZ); + NULL, 0, LINE6_TIMEOUT); if (ret < 0) { dev_err(line6->ifcdev, "read request failed (error %d)\n", ret); @@ -380,7 +380,7 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0x0012, 0x0000, len, 1, - LINE6_TIMEOUT * HZ); + LINE6_TIMEOUT); if (ret < 0) { dev_err(line6->ifcdev, "receive length failed (error %d)\n", ret); @@ -408,7 +408,7 @@ int line6_read_data(struct usb_line6 *line6, unsigned address, void *data, ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0x0013, 0x0000, data, datalen, - LINE6_TIMEOUT * HZ); + LINE6_TIMEOUT); if (ret < 0) dev_err(line6->ifcdev, "read failed (error %d)\n", ret); @@ -440,7 +440,7 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, 0x0022, address, data, datalen, - LINE6_TIMEOUT * HZ); + LINE6_TIMEOUT); if (ret < 0) { dev_err(line6->ifcdev, @@ -456,7 +456,7 @@ int line6_write_data(struct usb_line6 *line6, unsigned address, void *data, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0x0012, 0x0000, - status, 1, LINE6_TIMEOUT * HZ); + status, 1, LINE6_TIMEOUT); if (ret < 0) { dev_err(line6->ifcdev, diff --git a/sound/usb/line6/driver.h b/sound/usb/line6/driver.h index 650d909c9c4ff..d2d786eadfde1 100644 --- a/sound/usb/line6/driver.h +++ b/sound/usb/line6/driver.h @@ -31,7 +31,7 @@ #define LINE6_FALLBACK_INTERVAL 10 #define LINE6_FALLBACK_MAXPACKETSIZE 16 -#define LINE6_TIMEOUT 1 +#define LINE6_TIMEOUT 1000 #define LINE6_BUFSIZE_LISTEN 64 #define LINE6_MIDI_MESSAGE_MAXLEN 256 diff --git a/sound/usb/line6/podhd.c b/sound/usb/line6/podhd.c index da627b015b32b..2806808d81087 100644 --- a/sound/usb/line6/podhd.c +++ b/sound/usb/line6/podhd.c @@ -236,7 +236,7 @@ static int podhd_dev_start(struct usb_line6_podhd *pod) ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, 0x11, 0, - NULL, 0, LINE6_TIMEOUT * HZ); + NULL, 0, LINE6_TIMEOUT); if (ret < 0) { dev_err(pod->line6.ifcdev, "read request failed (error %d)\n", ret); goto exit; @@ -246,7 +246,7 @@ static int podhd_dev_start(struct usb_line6_podhd *pod) ret = usb_control_msg(usbdev, usb_rcvctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_IN, 0x11, 0x0, - init_bytes, 3, LINE6_TIMEOUT * HZ); + init_bytes, 3, LINE6_TIMEOUT); if (ret < 0) { dev_err(pod->line6.ifcdev, "receive length failed (error %d)\n", ret); @@ -266,7 +266,7 @@ static int podhd_dev_start(struct usb_line6_podhd *pod) USB_REQ_SET_FEATURE, USB_TYPE_STANDARD | USB_RECIP_DEVICE | USB_DIR_OUT, 1, 0, - NULL, 0, LINE6_TIMEOUT * HZ); + NULL, 0, LINE6_TIMEOUT); exit: kfree(init_bytes); return ret; diff --git a/sound/usb/line6/toneport.c b/sound/usb/line6/toneport.c index 7e39083f8f76a..cbb2e66be32f2 100644 --- a/sound/usb/line6/toneport.c +++ b/sound/usb/line6/toneport.c @@ -130,7 +130,7 @@ static int toneport_send_cmd(struct usb_device *usbdev, int cmd1, int cmd2) ret = usb_control_msg(usbdev, usb_sndctrlpipe(usbdev, 0), 0x67, USB_TYPE_VENDOR | USB_RECIP_DEVICE | USB_DIR_OUT, - cmd1, cmd2, NULL, 0, LINE6_TIMEOUT * HZ); + cmd1, cmd2, NULL, 0, LINE6_TIMEOUT); if (ret < 0) { dev_err(&usbdev->dev, "send failed (error %d)\n", ret); diff --git a/sound/usb/misc/ua101.c b/sound/usb/misc/ua101.c index a0b6d039017f3..5e94b6b4b905f 100644 --- a/sound/usb/misc/ua101.c +++ b/sound/usb/misc/ua101.c @@ -1030,7 +1030,7 @@ static int detect_usb_format(struct ua101 *ua) fmt_playback->bSubframeSize * ua->playback.channels; epd = &ua->intf[INTF_CAPTURE]->altsetting[1].endpoint[0].desc; - if (!usb_endpoint_is_isoc_in(epd)) { + if (!usb_endpoint_is_isoc_in(epd) || usb_endpoint_maxp(epd) == 0) { dev_err(&ua->dev->dev, "invalid capture endpoint\n"); return -ENXIO; } @@ -1038,7 +1038,7 @@ static int detect_usb_format(struct ua101 *ua) ua->capture.max_packet_bytes = usb_endpoint_maxp(epd); epd = &ua->intf[INTF_PLAYBACK]->altsetting[1].endpoint[0].desc; - if (!usb_endpoint_is_isoc_out(epd)) { + if (!usb_endpoint_is_isoc_out(epd) || usb_endpoint_maxp(epd) == 0) { dev_err(&ua->dev->dev, "invalid playback endpoint\n"); return -ENXIO; } diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c index f4bdcff82f5cc..b1bd63a9fc6d7 100644 --- a/sound/usb/quirks.c +++ b/sound/usb/quirks.c @@ -1555,6 +1555,7 @@ static const struct registration_quirk registration_quirks[] = { REG_QUIRK_ENTRY(0x0951, 0x16ea, 2), /* Kingston HyperX Cloud Flight S */ REG_QUIRK_ENTRY(0x0ecb, 0x1f46, 2), /* JBL Quantum 600 */ REG_QUIRK_ENTRY(0x0ecb, 0x1f47, 2), /* JBL Quantum 800 */ + REG_QUIRK_ENTRY(0x0ecb, 0x1f4c, 2), /* JBL Quantum 400 */ REG_QUIRK_ENTRY(0x0ecb, 0x2039, 2), /* JBL Quantum 400 */ REG_QUIRK_ENTRY(0x0ecb, 0x203c, 2), /* JBL Quantum 600 */ REG_QUIRK_ENTRY(0x0ecb, 0x203e, 2), /* JBL Quantum 800 */ diff --git a/tools/testing/selftests/bpf/test_progs.c b/tools/testing/selftests/bpf/test_progs.c index bad3505d66e05..0fcd38ffcc24c 100644 --- a/tools/testing/selftests/bpf/test_progs.c +++ b/tools/testing/selftests/bpf/test_progs.c @@ -1112,7 +1112,7 @@ static int extract_build_id(char *build_id, size_t size) if (getline(&line, &len, fp) == -1) goto err; - fclose(fp); + pclose(fp); if (len > size) len = size; @@ -1121,7 +1121,7 @@ static int extract_build_id(char *build_id, size_t size) free(line); return 0; err: - fclose(fp); + pclose(fp); return -1; }