diff --git a/Documentation/filesystems/affs.txt b/Documentation/filesystems/affs.txt index 71b63c2b98410..a8f1a58e36922 100644 --- a/Documentation/filesystems/affs.txt +++ b/Documentation/filesystems/affs.txt @@ -93,13 +93,15 @@ The Amiga protection flags RWEDRWEDHSPARWED are handled as follows: - R maps to r for user, group and others. On directories, R implies x. - - If both W and D are allowed, w will be set. + - W maps to w. - E maps to x. - - H and P are always retained and ignored under Linux. + - D is ignored. - - A is always reset when a file is written to. + - H, S and P are always retained and ignored under Linux. + + - A is cleared when a file is written to. User id and group id will be used unless set[gu]id are given as mount options. Since most of the Amiga file systems are single user systems @@ -111,11 +113,13 @@ Linux -> Amiga: The Linux rwxrwxrwx file mode is handled as follows: - - r permission will set R for user, group and others. + - r permission will allow R for user, group and others. + + - w permission will allow W for user, group and others. - - w permission will set W and D for user, group and others. + - x permission of the user will allow E for plain files. - - x permission of the user will set E for plain files. + - D will be allowed for user, group and others. - All other flags (suid, sgid, ...) are ignored and will not be retained. diff --git a/Makefile b/Makefile index 5c8b785f72919..3712b4deafbed 100644 --- a/Makefile +++ b/Makefile @@ -1,7 +1,7 @@ # SPDX-License-Identifier: GPL-2.0 VERSION = 4 PATCHLEVEL = 14 -SUBLEVEL = 196 +SUBLEVEL = 197 EXTRAVERSION = NAME = Petit Gorille diff --git a/arch/arm64/include/asm/kvm_arm.h b/arch/arm64/include/asm/kvm_arm.h index 1d6d980f80ac0..f88611e241f0e 100644 --- a/arch/arm64/include/asm/kvm_arm.h +++ b/arch/arm64/include/asm/kvm_arm.h @@ -78,10 +78,11 @@ * IMO: Override CPSR.I and enable signaling with VI * FMO: Override CPSR.F and enable signaling with VF * SWIO: Turn set/way invalidates into set/way clean+invalidate + * PTW: Take a stage2 fault if a stage1 walk steps in device memory */ #define HCR_GUEST_FLAGS (HCR_TSC | HCR_TSW | HCR_TWE | HCR_TWI | HCR_VM | \ HCR_TVM | HCR_BSU_IS | HCR_FB | HCR_TAC | \ - HCR_AMO | HCR_SWIO | HCR_TIDCP | HCR_RW) + HCR_AMO | HCR_SWIO | HCR_TIDCP | HCR_RW | HCR_PTW) #define HCR_VIRT_EXCP_MASK (HCR_VSE | HCR_VI | HCR_VF) #define HCR_INT_OVERRIDE (HCR_FMO | HCR_IMO) #define HCR_HOST_NVHE_FLAGS (HCR_RW | HCR_API | HCR_APK) diff --git a/arch/arm64/include/asm/kvm_asm.h b/arch/arm64/include/asm/kvm_asm.h index c59e81b651328..b0f0fb81f5f5e 100644 --- a/arch/arm64/include/asm/kvm_asm.h +++ b/arch/arm64/include/asm/kvm_asm.h @@ -83,6 +83,34 @@ extern u32 __init_stage2_translation(void); *__hyp_this_cpu_ptr(sym); \ }) +#define __KVM_EXTABLE(from, to) \ + " .pushsection __kvm_ex_table, \"a\"\n" \ + " .align 3\n" \ + " .long (" #from " - .), (" #to " - .)\n" \ + " .popsection\n" + + +#define __kvm_at(at_op, addr) \ +( { \ + int __kvm_at_err = 0; \ + u64 spsr, elr; \ + asm volatile( \ + " mrs %1, spsr_el2\n" \ + " mrs %2, elr_el2\n" \ + "1: at "at_op", %3\n" \ + " isb\n" \ + " b 9f\n" \ + "2: msr spsr_el2, %1\n" \ + " msr elr_el2, %2\n" \ + " mov %w0, %4\n" \ + "9:\n" \ + __KVM_EXTABLE(1b, 2b) \ + : "+r" (__kvm_at_err), "=&r" (spsr), "=&r" (elr) \ + : "r" (addr), "i" (-EFAULT)); \ + __kvm_at_err; \ +} ) + + #else /* __ASSEMBLY__ */ .macro hyp_adr_this_cpu reg, sym, tmp @@ -107,6 +135,21 @@ extern u32 __init_stage2_translation(void); kern_hyp_va \vcpu .endm +/* + * KVM extable for unexpected exceptions. + * In the same format _asm_extable, but output to a different section so that + * it can be mapped to EL2. The KVM version is not sorted. The caller must + * ensure: + * x18 has the hypervisor value to allow any Shadow-Call-Stack instrumented + * code to write to it, and that SPSR_EL2 and ELR_EL2 are restored by the fixup. + */ +.macro _kvm_extable, from, to + .pushsection __kvm_ex_table, "a" + .align 3 + .long (\from - .), (\to - .) + .popsection +.endm + #endif #endif /* __ARM_KVM_ASM_H__ */ diff --git a/arch/arm64/kernel/vmlinux.lds.S b/arch/arm64/kernel/vmlinux.lds.S index c4e55176f4b6d..4c11d3e64aef4 100644 --- a/arch/arm64/kernel/vmlinux.lds.S +++ b/arch/arm64/kernel/vmlinux.lds.S @@ -24,6 +24,13 @@ ENTRY(_text) jiffies = jiffies_64; + +#define HYPERVISOR_EXTABLE \ + . = ALIGN(SZ_8); \ + VMLINUX_SYMBOL(__start___kvm_ex_table) = .; \ + *(__kvm_ex_table) \ + VMLINUX_SYMBOL(__stop___kvm_ex_table) = .; + #define HYPERVISOR_TEXT \ /* \ * Align to 4 KB so that \ @@ -39,6 +46,7 @@ jiffies = jiffies_64; VMLINUX_SYMBOL(__hyp_idmap_text_end) = .; \ VMLINUX_SYMBOL(__hyp_text_start) = .; \ *(.hyp.text) \ + HYPERVISOR_EXTABLE \ VMLINUX_SYMBOL(__hyp_text_end) = .; #define IDMAP_TEXT \ diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index a360ac6e89e9d..4e0eac361f87c 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -17,6 +17,7 @@ #include +#include #include #include #include @@ -62,6 +63,15 @@ ENTRY(__guest_enter) // Store the host regs save_callee_saved_regs x1 + // Now the host state is stored if we have a pending RAS SError it must + // affect the host. If any asynchronous exception is pending we defer + // the guest entry. + mrs x1, isr_el1 + cbz x1, 1f + mov x0, #ARM_EXCEPTION_IRQ + ret + +1: add x18, x0, #VCPU_CONTEXT // Restore guest regs x0-x17 @@ -135,18 +145,22 @@ ENTRY(__guest_exit) // This is our single instruction exception window. A pending // SError is guaranteed to occur at the earliest when we unmask // it, and at the latest just after the ISB. - .global abort_guest_exit_start abort_guest_exit_start: isb - .global abort_guest_exit_end abort_guest_exit_end: + msr daifset, #4 // Mask aborts + ret + + _kvm_extable abort_guest_exit_start, 9997f + _kvm_extable abort_guest_exit_end, 9997f +9997: + msr daifset, #4 // Mask aborts + mov x0, #(1 << ARM_EXIT_WITH_SERROR_BIT) - // If the exception took place, restore the EL1 exception - // context so that we can report some information. - // Merge the exception code with the SError pending bit. - tbz x0, #ARM_EXIT_WITH_SERROR_BIT, 1f + // restore the EL1 exception context so that we can report some + // information. Merge the exception code with the SError pending bit. msr elr_el2, x2 msr esr_el2, x3 msr spsr_el2, x4 diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 3c283fd8c8f5a..5e041eabdd03e 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -25,6 +25,30 @@ #include #include +.macro save_caller_saved_regs_vect + stp x0, x1, [sp, #-16]! + stp x2, x3, [sp, #-16]! + stp x4, x5, [sp, #-16]! + stp x6, x7, [sp, #-16]! + stp x8, x9, [sp, #-16]! + stp x10, x11, [sp, #-16]! + stp x12, x13, [sp, #-16]! + stp x14, x15, [sp, #-16]! + stp x16, x17, [sp, #-16]! +.endm + +.macro restore_caller_saved_regs_vect + ldp x16, x17, [sp], #16 + ldp x14, x15, [sp], #16 + ldp x12, x13, [sp], #16 + ldp x10, x11, [sp], #16 + ldp x8, x9, [sp], #16 + ldp x6, x7, [sp], #16 + ldp x4, x5, [sp], #16 + ldp x2, x3, [sp], #16 + ldp x0, x1, [sp], #16 +.endm + .text .pushsection .hyp.text, "ax" @@ -183,26 +207,24 @@ el1_error: mov x0, #ARM_EXCEPTION_EL1_SERROR b __guest_exit +el2_sync: + save_caller_saved_regs_vect + stp x29, x30, [sp, #-16]! + bl kvm_unexpected_el2_exception + ldp x29, x30, [sp], #16 + restore_caller_saved_regs_vect + + eret + el2_error: - /* - * Only two possibilities: - * 1) Either we come from the exit path, having just unmasked - * PSTATE.A: change the return code to an EL2 fault, and - * carry on, as we're already in a sane state to handle it. - * 2) Or we come from anywhere else, and that's a bug: we panic. - * - * For (1), x0 contains the original return code and x1 doesn't - * contain anything meaningful at that stage. We can reuse them - * as temp registers. - * For (2), who cares? - */ - mrs x0, elr_el2 - adr x1, abort_guest_exit_start - cmp x0, x1 - adr x1, abort_guest_exit_end - ccmp x0, x1, #4, ne - b.ne __hyp_panic - mov x0, #(1 << ARM_EXIT_WITH_SERROR_BIT) + save_caller_saved_regs_vect + stp x29, x30, [sp, #-16]! + + bl kvm_unexpected_el2_exception + + ldp x29, x30, [sp], #16 + restore_caller_saved_regs_vect + eret ENTRY(__hyp_do_panic) @@ -231,7 +253,6 @@ ENDPROC(\label) invalid_vector el2t_irq_invalid invalid_vector el2t_fiq_invalid invalid_vector el2t_error_invalid - invalid_vector el2h_sync_invalid invalid_vector el2h_irq_invalid invalid_vector el2h_fiq_invalid invalid_vector el1_sync_invalid @@ -248,7 +269,7 @@ ENTRY(__kvm_hyp_vector) ventry el2t_fiq_invalid // FIQ EL2t ventry el2t_error_invalid // Error EL2t - ventry el2h_sync_invalid // Synchronous EL2h + ventry el2_sync // Synchronous EL2h ventry el2h_irq_invalid // IRQ EL2h ventry el2h_fiq_invalid // FIQ EL2h ventry el2_error // Error EL2h diff --git a/arch/arm64/kvm/hyp/switch.c b/arch/arm64/kvm/hyp/switch.c index 0ad952e074457..99ae75a43985c 100644 --- a/arch/arm64/kvm/hyp/switch.c +++ b/arch/arm64/kvm/hyp/switch.c @@ -22,11 +22,15 @@ #include +#include #include #include #include #include +extern struct exception_table_entry __start___kvm_ex_table; +extern struct exception_table_entry __stop___kvm_ex_table; + static bool __hyp_text __fpsimd_enabled_nvhe(void) { return !(read_sysreg(cptr_el2) & CPTR_EL2_TFP); @@ -216,10 +220,10 @@ static bool __hyp_text __translate_far_to_hpfar(u64 far, u64 *hpfar) * saved the guest context yet, and we may return early... */ par = read_sysreg(par_el1); - asm volatile("at s1e1r, %0" : : "r" (far)); - isb(); - - tmp = read_sysreg(par_el1); + if (!__kvm_at("s1e1r", far)) + tmp = read_sysreg(par_el1); + else + tmp = 1; /* back to the guest */ write_sysreg(par, par_el1); if (unlikely(tmp & 1)) @@ -486,3 +490,30 @@ void __hyp_text __noreturn hyp_panic(struct kvm_cpu_context *host_ctxt) unreachable(); } + +asmlinkage void __hyp_text kvm_unexpected_el2_exception(void) +{ + unsigned long addr, fixup; + struct kvm_cpu_context *host_ctxt; + struct exception_table_entry *entry, *end; + unsigned long elr_el2 = read_sysreg(elr_el2); + + entry = hyp_symbol_addr(__start___kvm_ex_table); + end = hyp_symbol_addr(__stop___kvm_ex_table); + host_ctxt = __hyp_this_cpu_ptr(kvm_host_cpu_state); + + while (entry < end) { + addr = (unsigned long)&entry->insn + entry->insn; + fixup = (unsigned long)&entry->fixup + entry->fixup; + + if (addr != elr_el2) { + entry++; + continue; + } + + write_sysreg(fixup, elr_el2); + return; + } + + hyp_panic(host_ctxt); +} diff --git a/arch/mips/kernel/smp-bmips.c b/arch/mips/kernel/smp-bmips.c index 45fbcbbf2504e..3018582794efc 100644 --- a/arch/mips/kernel/smp-bmips.c +++ b/arch/mips/kernel/smp-bmips.c @@ -240,6 +240,8 @@ static int bmips_boot_secondary(int cpu, struct task_struct *idle) */ static void bmips_init_secondary(void) { + bmips_cpu_setup(); + switch (current_cpu_type()) { case CPU_BMIPS4350: case CPU_BMIPS4380: diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c index bacd67f5d71df..e4de107bf7fd8 100644 --- a/arch/mips/mm/c-r4k.c +++ b/arch/mips/mm/c-r4k.c @@ -1781,7 +1781,11 @@ static void setup_scache(void) printk("MIPS secondary cache %ldkB, %s, linesize %d bytes.\n", scache_size >> 10, way_string[c->scache.ways], c->scache.linesz); + + if (current_cpu_type() == CPU_BMIPS5000) + c->options |= MIPS_CPU_INCLUSIVE_CACHES; } + #else if (!(c->scache.flags & MIPS_CACHE_NOT_PRESENT)) panic("Dunno how to handle MIPS32 / MIPS64 second level cache"); diff --git a/arch/s390/include/asm/percpu.h b/arch/s390/include/asm/percpu.h index 0095ddb58ff69..50f6661ba5664 100644 --- a/arch/s390/include/asm/percpu.h +++ b/arch/s390/include/asm/percpu.h @@ -29,7 +29,7 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ old__, new__, prev__; \ pcp_op_T__ *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ prev__ = *ptr__; \ do { \ @@ -37,7 +37,7 @@ new__ = old__ op (val); \ prev__ = cmpxchg(ptr__, old__, new__); \ } while (prev__ != old__); \ - preempt_enable(); \ + preempt_enable_notrace(); \ new__; \ }) @@ -68,7 +68,7 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ val__ = (val); \ pcp_op_T__ old__, *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ if (__builtin_constant_p(val__) && \ ((szcast)val__ > -129) && ((szcast)val__ < 128)) { \ @@ -84,7 +84,7 @@ : [val__] "d" (val__) \ : "cc"); \ } \ - preempt_enable(); \ + preempt_enable_notrace(); \ } #define this_cpu_add_4(pcp, val) arch_this_cpu_add(pcp, val, "laa", "asi", int) @@ -95,14 +95,14 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ val__ = (val); \ pcp_op_T__ old__, *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ asm volatile( \ op " %[old__],%[val__],%[ptr__]\n" \ : [old__] "=d" (old__), [ptr__] "+Q" (*ptr__) \ : [val__] "d" (val__) \ : "cc"); \ - preempt_enable(); \ + preempt_enable_notrace(); \ old__ + val__; \ }) @@ -114,14 +114,14 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ val__ = (val); \ pcp_op_T__ old__, *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ asm volatile( \ op " %[old__],%[val__],%[ptr__]\n" \ : [old__] "=d" (old__), [ptr__] "+Q" (*ptr__) \ : [val__] "d" (val__) \ : "cc"); \ - preempt_enable(); \ + preempt_enable_notrace(); \ } #define this_cpu_and_4(pcp, val) arch_this_cpu_to_op(pcp, val, "lan") @@ -136,10 +136,10 @@ typedef typeof(pcp) pcp_op_T__; \ pcp_op_T__ ret__; \ pcp_op_T__ *ptr__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ ret__ = cmpxchg(ptr__, oval, nval); \ - preempt_enable(); \ + preempt_enable_notrace(); \ ret__; \ }) @@ -152,10 +152,10 @@ ({ \ typeof(pcp) *ptr__; \ typeof(pcp) ret__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ ptr__ = raw_cpu_ptr(&(pcp)); \ ret__ = xchg(ptr__, nval); \ - preempt_enable(); \ + preempt_enable_notrace(); \ ret__; \ }) @@ -171,11 +171,11 @@ typeof(pcp1) *p1__; \ typeof(pcp2) *p2__; \ int ret__; \ - preempt_disable(); \ + preempt_disable_notrace(); \ p1__ = raw_cpu_ptr(&(pcp1)); \ p2__ = raw_cpu_ptr(&(pcp2)); \ ret__ = __cmpxchg_double(p1__, p2__, o1__, o2__, n1__, n2__); \ - preempt_enable(); \ + preempt_enable_notrace(); \ ret__; \ }) diff --git a/arch/xtensa/platforms/iss/simdisk.c b/arch/xtensa/platforms/iss/simdisk.c index c45b90bb93393..c75e75932807e 100644 --- a/arch/xtensa/platforms/iss/simdisk.c +++ b/arch/xtensa/platforms/iss/simdisk.c @@ -21,7 +21,6 @@ #include #define SIMDISK_MAJOR 240 -#define SECTOR_SHIFT 9 #define SIMDISK_MINORS 1 #define MAX_SIMDISK_COUNT 10 diff --git a/drivers/ata/libata-core.c b/drivers/ata/libata-core.c index a3a65f5490c02..f90a20cad3fef 100644 --- a/drivers/ata/libata-core.c +++ b/drivers/ata/libata-core.c @@ -4488,9 +4488,8 @@ static const struct ata_blacklist_entry ata_device_blacklist [] = { /* https://bugzilla.kernel.org/show_bug.cgi?id=15573 */ { "C300-CTFDDAC128MAG", "0001", ATA_HORKAGE_NONCQ, }, - /* Some Sandisk SSDs lock up hard with NCQ enabled. Reported on - SD7SN6S256G and SD8SN8U256G */ - { "SanDisk SD[78]SN*G", NULL, ATA_HORKAGE_NONCQ, }, + /* Sandisk SD7/8/9s lock up hard on large trims */ + { "SanDisk SD[789]*", NULL, ATA_HORKAGE_MAX_TRIM_128M, }, /* devices which puke on READ_NATIVE_MAX */ { "HDS724040KLSA80", "KFAOA20N", ATA_HORKAGE_BROKEN_HPA, }, diff --git a/drivers/ata/libata-scsi.c b/drivers/ata/libata-scsi.c index bc2c27f0493fc..4b299efbd8047 100644 --- a/drivers/ata/libata-scsi.c +++ b/drivers/ata/libata-scsi.c @@ -2392,6 +2392,7 @@ static unsigned int ata_scsiop_inq_89(struct ata_scsi_args *args, u8 *rbuf) static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf) { + struct ata_device *dev = args->dev; u16 min_io_sectors; rbuf[1] = 0xb0; @@ -2417,7 +2418,12 @@ static unsigned int ata_scsiop_inq_b0(struct ata_scsi_args *args, u8 *rbuf) * with the unmap bit set. */ if (ata_id_has_trim(args->id)) { - put_unaligned_be64(65535 * ATA_MAX_TRIM_RNUM, &rbuf[36]); + u64 max_blocks = 65535 * ATA_MAX_TRIM_RNUM; + + if (dev->horkage & ATA_HORKAGE_MAX_TRIM_128M) + max_blocks = 128 << (20 - SECTOR_SHIFT); + + put_unaligned_be64(max_blocks, &rbuf[36]); put_unaligned_be32(1, &rbuf[28]); } diff --git a/drivers/block/brd.c b/drivers/block/brd.c index 0129b1921cb36..78287f029cf07 100644 --- a/drivers/block/brd.c +++ b/drivers/block/brd.c @@ -28,7 +28,6 @@ #include -#define SECTOR_SHIFT 9 #define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) #define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index ec670a1b7e02f..b499e72b2847e 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -16,10 +16,8 @@ #include #include -#define SECTOR_SHIFT 9 #define PAGE_SECTORS_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) #define PAGE_SECTORS (1 << PAGE_SECTORS_SHIFT) -#define SECTOR_SIZE (1 << SECTOR_SHIFT) #define SECTOR_MASK (PAGE_SECTORS - 1) #define FREE_BATCH 16 diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c index 557cf52f674b5..b9b20e1fa8c88 100644 --- a/drivers/block/rbd.c +++ b/drivers/block/rbd.c @@ -50,15 +50,6 @@ #define RBD_DEBUG /* Activate rbd_assert() calls */ -/* - * The basic unit of block I/O is a sector. It is interpreted in a - * number of contexts in Linux (blk, bio, genhd), but the default is - * universally 512 bytes. These symbols are just slightly more - * meaningful than the bare numbers they represent. - */ -#define SECTOR_SHIFT 9 -#define SECTOR_SIZE (1ULL << SECTOR_SHIFT) - /* * Increment the given counter and return its updated value. * If the counter is already 0 it will not be incremented. diff --git a/drivers/block/zram/zram_drv.h b/drivers/block/zram/zram_drv.h index 31762db861e38..1e9bf65c0bfba 100644 --- a/drivers/block/zram/zram_drv.h +++ b/drivers/block/zram/zram_drv.h @@ -37,7 +37,6 @@ static const size_t max_zpage_size = PAGE_SIZE / 4 * 3; /*-- End of configurable params */ -#define SECTOR_SHIFT 9 #define SECTORS_PER_PAGE_SHIFT (PAGE_SHIFT - SECTOR_SHIFT) #define SECTORS_PER_PAGE (1 << SECTORS_PER_PAGE_SHIFT) #define ZRAM_LOGICAL_BLOCK_SHIFT 12 diff --git a/drivers/cpuidle/cpuidle.c b/drivers/cpuidle/cpuidle.c index ed4df58a855e1..da9eb38d79d9c 100644 --- a/drivers/cpuidle/cpuidle.c +++ b/drivers/cpuidle/cpuidle.c @@ -144,7 +144,8 @@ static void enter_s2idle_proper(struct cpuidle_driver *drv, */ stop_critical_timings(); drv->states[index].enter_s2idle(dev, drv, index); - WARN_ON(!irqs_disabled()); + if (WARN_ON_ONCE(!irqs_disabled())) + local_irq_disable(); /* * timekeeping_resume() that will be called by tick_unfreeze() for the * first CPU executing it calls functions containing RCU read-side diff --git a/drivers/dma/at_hdmac.c b/drivers/dma/at_hdmac.c index 21ed0e20c5d91..cf3225a229890 100644 --- a/drivers/dma/at_hdmac.c +++ b/drivers/dma/at_hdmac.c @@ -1677,6 +1677,8 @@ static struct dma_chan *at_dma_xlate(struct of_phandle_args *dma_spec, return NULL; dmac_pdev = of_find_device_by_node(dma_spec->np); + if (!dmac_pdev) + return NULL; dma_cap_zero(mask); dma_cap_set(DMA_SLAVE, mask); diff --git a/drivers/dma/of-dma.c b/drivers/dma/of-dma.c index 91fd395c90c4c..8344a60c2131b 100644 --- a/drivers/dma/of-dma.c +++ b/drivers/dma/of-dma.c @@ -72,12 +72,12 @@ static struct dma_chan *of_dma_router_xlate(struct of_phandle_args *dma_spec, return NULL; chan = ofdma_target->of_dma_xlate(&dma_spec_target, ofdma_target); - if (chan) { - chan->router = ofdma->dma_router; - chan->route_data = route_data; - } else { + if (IS_ERR_OR_NULL(chan)) { ofdma->dma_router->route_free(ofdma->dma_router->dev, route_data); + } else { + chan->router = ofdma->dma_router; + chan->route_data = route_data; } /* diff --git a/drivers/dma/pl330.c b/drivers/dma/pl330.c index b4fa555a243f9..ff8b7042d28f4 100644 --- a/drivers/dma/pl330.c +++ b/drivers/dma/pl330.c @@ -2661,6 +2661,7 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, while (burst != (1 << desc->rqcfg.brst_size)) desc->rqcfg.brst_size++; + desc->rqcfg.brst_len = get_burst_len(desc, len); /* * If burst size is smaller than bus width then make sure we only * transfer one at a time to avoid a burst stradling an MFIFO entry. @@ -2668,7 +2669,6 @@ pl330_prep_dma_memcpy(struct dma_chan *chan, dma_addr_t dst, if (desc->rqcfg.brst_size * 8 < pl330->pcfg.data_bus_width) desc->rqcfg.brst_len = 1; - desc->rqcfg.brst_len = get_burst_len(desc, len); desc->bytes_requested = len; desc->txd.flags = flags; diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c index d9c0687435a05..c59240b566d83 100644 --- a/drivers/gpu/drm/msm/msm_drv.c +++ b/drivers/gpu/drm/msm/msm_drv.c @@ -1134,6 +1134,13 @@ static int msm_pdev_remove(struct platform_device *pdev) return 0; } +static void msm_pdev_shutdown(struct platform_device *pdev) +{ + struct drm_device *drm = platform_get_drvdata(pdev); + + drm_atomic_helper_shutdown(drm); +} + static const struct of_device_id dt_match[] = { { .compatible = "qcom,mdp4", .data = (void *)4 }, /* MDP4 */ { .compatible = "qcom,mdss", .data = (void *)5 }, /* MDP5 MDSS */ @@ -1144,6 +1151,7 @@ MODULE_DEVICE_TABLE(of, dt_match); static struct platform_driver msm_platform_driver = { .probe = msm_pdev_probe, .remove = msm_pdev_remove, + .shutdown = msm_pdev_shutdown, .driver = { .name = "msm", .of_match_table = dt_match, diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c index 75b0a337114df..ff6e327cbd027 100644 --- a/drivers/hid/hid-core.c +++ b/drivers/hid/hid-core.c @@ -1426,6 +1426,17 @@ static void hid_output_field(const struct hid_device *hid, } } +/* + * Compute the size of a report. + */ +static size_t hid_compute_report_size(struct hid_report *report) +{ + if (report->size) + return ((report->size - 1) >> 3) + 1; + + return 0; +} + /* * Create a report. 'data' has to be allocated using * hid_alloc_report_buf() so that it has proper size. @@ -1438,7 +1449,7 @@ void hid_output_report(struct hid_report *report, __u8 *data) if (report->id > 0) *data++ = report->id; - memset(data, 0, ((report->size - 1) >> 3) + 1); + memset(data, 0, hid_compute_report_size(report)); for (n = 0; n < report->maxfield; n++) hid_output_field(report->device, report->field[n], data); } @@ -1565,7 +1576,7 @@ int hid_report_raw_event(struct hid_device *hid, int type, u8 *data, u32 size, csize--; } - rsize = ((report->size - 1) >> 3) + 1; + rsize = hid_compute_report_size(report); if (report_enum->numbered && rsize >= HID_MAX_BUFFER_SIZE) rsize = HID_MAX_BUFFER_SIZE - 1; diff --git a/drivers/hid/hid-input.c b/drivers/hid/hid-input.c index 204ccf6745333..3624d6e3384ff 100644 --- a/drivers/hid/hid-input.c +++ b/drivers/hid/hid-input.c @@ -1116,6 +1116,10 @@ static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_fiel } mapped: + /* Mapping failed, bail out */ + if (!bit) + return; + if (device->driver->input_mapped && device->driver->input_mapped(device, hidinput, field, usage, &bit, &max) < 0) { diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c index db29bf539a4b2..ac31998f93a88 100644 --- a/drivers/hid/hid-multitouch.c +++ b/drivers/hid/hid-multitouch.c @@ -616,6 +616,8 @@ static int mt_touch_input_mapping(struct hid_device *hdev, struct hid_input *hi, (usage->hid & HID_USAGE) > 1) code--; hid_map_usage(hi, usage, bit, max, EV_KEY, code); + if (!*bit) + return -1; input_set_capability(hi->input, EV_KEY, code); return 1; diff --git a/drivers/hwmon/applesmc.c b/drivers/hwmon/applesmc.c index 5c677ba440143..b201129a9beae 100644 --- a/drivers/hwmon/applesmc.c +++ b/drivers/hwmon/applesmc.c @@ -760,15 +760,18 @@ static ssize_t applesmc_light_show(struct device *dev, } ret = applesmc_read_key(LIGHT_SENSOR_LEFT_KEY, buffer, data_length); + if (ret) + goto out; /* newer macbooks report a single 10-bit bigendian value */ if (data_length == 10) { left = be16_to_cpu(*(__be16 *)(buffer + 6)) >> 2; goto out; } left = buffer[2]; + + ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); if (ret) goto out; - ret = applesmc_read_key(LIGHT_SENSOR_RIGHT_KEY, buffer, data_length); right = buffer[2]; out: @@ -817,12 +820,11 @@ static ssize_t applesmc_show_fan_speed(struct device *dev, to_index(attr)); ret = applesmc_read_key(newkey, buffer, 2); - speed = ((buffer[0] << 8 | buffer[1]) >> 2); - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); + + speed = ((buffer[0] << 8 | buffer[1]) >> 2); + return snprintf(sysfsbuf, PAGE_SIZE, "%u\n", speed); } static ssize_t applesmc_store_fan_speed(struct device *dev, @@ -858,12 +860,11 @@ static ssize_t applesmc_show_fan_manual(struct device *dev, u8 buffer[2]; ret = applesmc_read_key(FANS_MANUAL, buffer, 2); - manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01; - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); + + manual = ((buffer[0] << 8 | buffer[1]) >> to_index(attr)) & 0x01; + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", manual); } static ssize_t applesmc_store_fan_manual(struct device *dev, @@ -879,10 +880,11 @@ static ssize_t applesmc_store_fan_manual(struct device *dev, return -EINVAL; ret = applesmc_read_key(FANS_MANUAL, buffer, 2); - val = (buffer[0] << 8 | buffer[1]); if (ret) goto out; + val = (buffer[0] << 8 | buffer[1]); + if (input) val = val | (0x01 << to_index(attr)); else @@ -958,13 +960,12 @@ static ssize_t applesmc_key_count_show(struct device *dev, u32 count; ret = applesmc_read_key(KEY_COUNT_KEY, buffer, 4); - count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + - ((u32)buffer[2]<<8) + buffer[3]; - if (ret) return ret; - else - return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); + + count = ((u32)buffer[0]<<24) + ((u32)buffer[1]<<16) + + ((u32)buffer[2]<<8) + buffer[3]; + return snprintf(sysfsbuf, PAGE_SIZE, "%d\n", count); } static ssize_t applesmc_key_at_index_read_show(struct device *dev, diff --git a/drivers/ide/ide-cd.c b/drivers/ide/ide-cd.c index 4de45db76756c..5aed1de845d0d 100644 --- a/drivers/ide/ide-cd.c +++ b/drivers/ide/ide-cd.c @@ -712,7 +712,7 @@ static ide_startstop_t cdrom_start_rw(ide_drive_t *drive, struct request *rq) struct request_queue *q = drive->queue; int write = rq_data_dir(rq) == WRITE; unsigned short sectors_per_frame = - queue_logical_block_size(q) >> SECTOR_BITS; + queue_logical_block_size(q) >> SECTOR_SHIFT; ide_debug_log(IDE_DBG_RQ, "rq->cmd[0]: 0x%x, rq->cmd_flags: 0x%x, " "secs_per_frame: %u", @@ -919,7 +919,7 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, * end up being bogus. */ blocklen = be32_to_cpu(capbuf.blocklen); - blocklen = (blocklen >> SECTOR_BITS) << SECTOR_BITS; + blocklen = (blocklen >> SECTOR_SHIFT) << SECTOR_SHIFT; switch (blocklen) { case 512: case 1024: @@ -935,7 +935,7 @@ static int cdrom_read_capacity(ide_drive_t *drive, unsigned long *capacity, } *capacity = 1 + be32_to_cpu(capbuf.lba); - *sectors_per_frame = blocklen >> SECTOR_BITS; + *sectors_per_frame = blocklen >> SECTOR_SHIFT; ide_debug_log(IDE_DBG_PROBE, "cap: %lu, sectors_per_frame: %lu", *capacity, *sectors_per_frame); @@ -1012,7 +1012,7 @@ int ide_cd_read_toc(ide_drive_t *drive, struct request_sense *sense) drive->probed_capacity = toc->capacity * sectors_per_frame; blk_queue_logical_block_size(drive->queue, - sectors_per_frame << SECTOR_BITS); + sectors_per_frame << SECTOR_SHIFT); /* first read just the header, so we know how long the TOC is */ stat = cdrom_read_tocentry(drive, 0, 1, 0, (char *) &toc->hdr, diff --git a/drivers/ide/ide-cd.h b/drivers/ide/ide-cd.h index 264e822eba58a..04f0f310a8566 100644 --- a/drivers/ide/ide-cd.h +++ b/drivers/ide/ide-cd.h @@ -21,11 +21,7 @@ /************************************************************************/ -#define SECTOR_BITS 9 -#ifndef SECTOR_SIZE -#define SECTOR_SIZE (1 << SECTOR_BITS) -#endif -#define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_BITS) +#define SECTORS_PER_FRAME (CD_FRAMESIZE >> SECTOR_SHIFT) #define SECTOR_BUFFER_SIZE (CD_FRAMESIZE * 32) /* Capabilities Page size including 8 bytes of Mode Page Header */ diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c index 7cc5b04e30b7a..09c6b17aaf80e 100644 --- a/drivers/iommu/intel_irq_remapping.c +++ b/drivers/iommu/intel_irq_remapping.c @@ -479,12 +479,18 @@ static void iommu_enable_irq_remapping(struct intel_iommu *iommu) /* Enable interrupt-remapping */ iommu->gcmd |= DMA_GCMD_IRE; - iommu->gcmd &= ~DMA_GCMD_CFI; /* Block compatibility-format MSIs */ writel(iommu->gcmd, iommu->reg + DMAR_GCMD_REG); - IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, readl, (sts & DMA_GSTS_IRES), sts); + /* Block compatibility-format MSIs */ + if (sts & DMA_GSTS_CFIS) { + iommu->gcmd &= ~DMA_GCMD_CFI; + writel(iommu->gcmd, iommu->reg + DMAR_GCMD_REG); + IOMMU_WAIT_OP(iommu, DMAR_GSTS_REG, + readl, !(sts & DMA_GSTS_CFIS), sts); + } + /* * With CFI clear in the Global Command register, we should be * protected from dangerous (i.e. compatibility) interrupts diff --git a/drivers/md/dm-cache-metadata.c b/drivers/md/dm-cache-metadata.c index 394e53afc2593..0acd10d3b7bff 100644 --- a/drivers/md/dm-cache-metadata.c +++ b/drivers/md/dm-cache-metadata.c @@ -536,12 +536,16 @@ static int __create_persistent_data_objects(struct dm_cache_metadata *cmd, CACHE_MAX_CONCURRENT_LOCKS); if (IS_ERR(cmd->bm)) { DMERR("could not create block manager"); - return PTR_ERR(cmd->bm); + r = PTR_ERR(cmd->bm); + cmd->bm = NULL; + return r; } r = __open_or_format_metadata(cmd, may_format_device); - if (r) + if (r) { dm_block_manager_destroy(cmd->bm); + cmd->bm = NULL; + } return r; } diff --git a/drivers/md/dm-thin-metadata.c b/drivers/md/dm-thin-metadata.c index b85a66f42814e..29f8a632b42b2 100644 --- a/drivers/md/dm-thin-metadata.c +++ b/drivers/md/dm-thin-metadata.c @@ -698,12 +698,16 @@ static int __create_persistent_data_objects(struct dm_pool_metadata *pmd, bool f THIN_MAX_CONCURRENT_LOCKS); if (IS_ERR(pmd->bm)) { DMERR("could not create block manager"); - return PTR_ERR(pmd->bm); + r = PTR_ERR(pmd->bm); + pmd->bm = NULL; + return r; } r = __open_or_format_metadata(pmd, format_device); - if (r) + if (r) { dm_block_manager_destroy(pmd->bm); + pmd->bm = NULL; + } return r; } diff --git a/drivers/net/ethernet/arc/emac_mdio.c b/drivers/net/ethernet/arc/emac_mdio.c index 0187dbf3b87df..54cdafdd067db 100644 --- a/drivers/net/ethernet/arc/emac_mdio.c +++ b/drivers/net/ethernet/arc/emac_mdio.c @@ -153,6 +153,7 @@ int arc_mdio_probe(struct arc_emac_priv *priv) if (IS_ERR(data->reset_gpio)) { error = PTR_ERR(data->reset_gpio); dev_err(priv->dev, "Failed to request gpio: %d\n", error); + mdiobus_free(bus); return error; } diff --git a/drivers/net/ethernet/broadcom/bcmsysport.c b/drivers/net/ethernet/broadcom/bcmsysport.c index 123ee5c11bc0c..11eb393497a2a 100644 --- a/drivers/net/ethernet/broadcom/bcmsysport.c +++ b/drivers/net/ethernet/broadcom/bcmsysport.c @@ -2087,8 +2087,10 @@ static int bcm_sysport_probe(struct platform_device *pdev) priv->tx_rings = devm_kcalloc(&pdev->dev, txq, sizeof(struct bcm_sysport_tx_ring), GFP_KERNEL); - if (!priv->tx_rings) - return -ENOMEM; + if (!priv->tx_rings) { + ret = -ENOMEM; + goto err_free_netdev; + } priv->is_lite = params->is_lite; priv->num_rx_desc_words = params->num_rx_desc_words; diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index a189061d8f97e..7de38ae5c18f2 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -8251,6 +8251,7 @@ static int bnxt_init_one(struct pci_dev *pdev, const struct pci_device_id *ent) bnxt_parse_log_pcie_link(bp); + pci_save_state(pdev); return 0; init_err_cleanup_tc: @@ -8412,6 +8413,8 @@ static pci_ers_result_t bnxt_io_slot_reset(struct pci_dev *pdev) "Cannot re-enable PCI device after reset.\n"); } else { pci_set_master(pdev); + pci_restore_state(pdev); + pci_save_state(pdev); err = bnxt_hwrm_func_reset(bp); if (!err && netif_running(netdev)) diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c index 6edbbfc1709a2..a38433cb9015d 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt_ethtool.c @@ -1761,6 +1761,9 @@ static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data) if (rc != 0) return rc; + if (!dir_entries || !entry_length) + return -EIO; + /* Insert 2 bytes of directory info (count and size of entries) */ if (len < 2) return -EINVAL; diff --git a/drivers/net/ethernet/broadcom/tg3.c b/drivers/net/ethernet/broadcom/tg3.c index e40d31b405253..480179ddc45b6 100644 --- a/drivers/net/ethernet/broadcom/tg3.c +++ b/drivers/net/ethernet/broadcom/tg3.c @@ -7204,8 +7204,8 @@ static inline void tg3_reset_task_schedule(struct tg3 *tp) static inline void tg3_reset_task_cancel(struct tg3 *tp) { - cancel_work_sync(&tp->reset_task); - tg3_flag_clear(tp, RESET_TASK_PENDING); + if (test_and_clear_bit(TG3_FLAG_RESET_TASK_PENDING, tp->tg3_flags)) + cancel_work_sync(&tp->reset_task); tg3_flag_clear(tp, TX_RECOVERY_PENDING); } @@ -11182,18 +11182,27 @@ static void tg3_reset_task(struct work_struct *work) tg3_halt(tp, RESET_KIND_SHUTDOWN, 0); err = tg3_init_hw(tp, true); - if (err) + if (err) { + tg3_full_unlock(tp); + tp->irq_sync = 0; + tg3_napi_enable(tp); + /* Clear this flag so that tg3_reset_task_cancel() will not + * call cancel_work_sync() and wait forever. + */ + tg3_flag_clear(tp, RESET_TASK_PENDING); + dev_close(tp->dev); goto out; + } tg3_netif_start(tp); -out: tg3_full_unlock(tp); if (!err) tg3_phy_start(tp); tg3_flag_clear(tp, RESET_TASK_PENDING); +out: rtnl_unlock(); } diff --git a/drivers/net/ethernet/hisilicon/hns/hns_enet.c b/drivers/net/ethernet/hisilicon/hns/hns_enet.c index 0733745f4be6c..af832929ae287 100644 --- a/drivers/net/ethernet/hisilicon/hns/hns_enet.c +++ b/drivers/net/ethernet/hisilicon/hns/hns_enet.c @@ -2433,8 +2433,10 @@ static int hns_nic_dev_probe(struct platform_device *pdev) priv->enet_ver = AE_VERSION_1; else if (acpi_dev_found(hns_enet_acpi_match[1].id)) priv->enet_ver = AE_VERSION_2; - else - return -ENXIO; + else { + ret = -ENXIO; + goto out_read_prop_fail; + } /* try to find port-idx-in-ae first */ ret = acpi_node_get_property_reference(dev->fwnode, @@ -2446,7 +2448,8 @@ static int hns_nic_dev_probe(struct platform_device *pdev) priv->fwnode = acpi_fwnode_handle(args.adev); } else { dev_err(dev, "cannot read cfg data from OF or acpi\n"); - return -ENXIO; + ret = -ENXIO; + goto out_read_prop_fail; } ret = device_property_read_u32(dev, "port-idx-in-ae", &port_id); diff --git a/drivers/net/ethernet/mellanox/mlx4/mr.c b/drivers/net/ethernet/mellanox/mlx4/mr.c index 20043f82c1d82..7c212d6618640 100644 --- a/drivers/net/ethernet/mellanox/mlx4/mr.c +++ b/drivers/net/ethernet/mellanox/mlx4/mr.c @@ -114,7 +114,7 @@ static int mlx4_buddy_init(struct mlx4_buddy *buddy, int max_order) goto err_out; for (i = 0; i <= buddy->max_order; ++i) { - s = BITS_TO_LONGS(1 << (buddy->max_order - i)); + s = BITS_TO_LONGS(1UL << (buddy->max_order - i)); buddy->bits[i] = kvmalloc_array(s, sizeof(long), GFP_KERNEL | __GFP_ZERO); if (!buddy->bits[i]) goto err_out_free; diff --git a/drivers/net/ethernet/renesas/ravb_main.c b/drivers/net/ethernet/renesas/ravb_main.c index 9f4d93a16b7e5..19fb3dbb80f58 100644 --- a/drivers/net/ethernet/renesas/ravb_main.c +++ b/drivers/net/ethernet/renesas/ravb_main.c @@ -1374,6 +1374,51 @@ static inline int ravb_hook_irq(unsigned int irq, irq_handler_t handler, return error; } +/* MDIO bus init function */ +static int ravb_mdio_init(struct ravb_private *priv) +{ + struct platform_device *pdev = priv->pdev; + struct device *dev = &pdev->dev; + int error; + + /* Bitbang init */ + priv->mdiobb.ops = &bb_ops; + + /* MII controller setting */ + priv->mii_bus = alloc_mdio_bitbang(&priv->mdiobb); + if (!priv->mii_bus) + return -ENOMEM; + + /* Hook up MII support for ethtool */ + priv->mii_bus->name = "ravb_mii"; + priv->mii_bus->parent = dev; + snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", + pdev->name, pdev->id); + + /* Register MDIO bus */ + error = of_mdiobus_register(priv->mii_bus, dev->of_node); + if (error) + goto out_free_bus; + + return 0; + +out_free_bus: + free_mdio_bitbang(priv->mii_bus); + return error; +} + +/* MDIO bus release function */ +static int ravb_mdio_release(struct ravb_private *priv) +{ + /* Unregister mdio bus */ + mdiobus_unregister(priv->mii_bus); + + /* Free bitbang info */ + free_mdio_bitbang(priv->mii_bus); + + return 0; +} + /* Network device open function for Ethernet AVB */ static int ravb_open(struct net_device *ndev) { @@ -1382,6 +1427,13 @@ static int ravb_open(struct net_device *ndev) struct device *dev = &pdev->dev; int error; + /* MDIO bus init */ + error = ravb_mdio_init(priv); + if (error) { + netdev_err(ndev, "failed to initialize MDIO\n"); + return error; + } + napi_enable(&priv->napi[RAVB_BE]); napi_enable(&priv->napi[RAVB_NC]); @@ -1459,6 +1511,7 @@ out_free_irq: out_napi_off: napi_disable(&priv->napi[RAVB_NC]); napi_disable(&priv->napi[RAVB_BE]); + ravb_mdio_release(priv); return error; } @@ -1757,6 +1810,8 @@ static int ravb_close(struct net_device *ndev) ravb_ring_free(ndev, RAVB_BE); ravb_ring_free(ndev, RAVB_NC); + ravb_mdio_release(priv); + return 0; } @@ -1858,51 +1913,6 @@ static const struct net_device_ops ravb_netdev_ops = { .ndo_set_mac_address = eth_mac_addr, }; -/* MDIO bus init function */ -static int ravb_mdio_init(struct ravb_private *priv) -{ - struct platform_device *pdev = priv->pdev; - struct device *dev = &pdev->dev; - int error; - - /* Bitbang init */ - priv->mdiobb.ops = &bb_ops; - - /* MII controller setting */ - priv->mii_bus = alloc_mdio_bitbang(&priv->mdiobb); - if (!priv->mii_bus) - return -ENOMEM; - - /* Hook up MII support for ethtool */ - priv->mii_bus->name = "ravb_mii"; - priv->mii_bus->parent = dev; - snprintf(priv->mii_bus->id, MII_BUS_ID_SIZE, "%s-%x", - pdev->name, pdev->id); - - /* Register MDIO bus */ - error = of_mdiobus_register(priv->mii_bus, dev->of_node); - if (error) - goto out_free_bus; - - return 0; - -out_free_bus: - free_mdio_bitbang(priv->mii_bus); - return error; -} - -/* MDIO bus release function */ -static int ravb_mdio_release(struct ravb_private *priv) -{ - /* Unregister mdio bus */ - mdiobus_unregister(priv->mii_bus); - - /* Free bitbang info */ - free_mdio_bitbang(priv->mii_bus); - - return 0; -} - static const struct of_device_id ravb_match_table[] = { { .compatible = "renesas,etheravb-r8a7790", .data = (void *)RCAR_GEN2 }, { .compatible = "renesas,etheravb-r8a7794", .data = (void *)RCAR_GEN2 }, @@ -2132,13 +2142,6 @@ static int ravb_probe(struct platform_device *pdev) eth_hw_addr_random(ndev); } - /* MDIO bus init */ - error = ravb_mdio_init(priv); - if (error) { - dev_err(&pdev->dev, "failed to initialize MDIO\n"); - goto out_dma_free; - } - netif_napi_add(ndev, &priv->napi[RAVB_BE], ravb_poll, 64); netif_napi_add(ndev, &priv->napi[RAVB_NC], ravb_poll, 64); @@ -2161,8 +2164,6 @@ static int ravb_probe(struct platform_device *pdev) out_napi_del: netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); - ravb_mdio_release(priv); -out_dma_free: dma_free_coherent(ndev->dev.parent, priv->desc_bat_size, priv->desc_bat, priv->desc_bat_dma); @@ -2195,7 +2196,6 @@ static int ravb_remove(struct platform_device *pdev) unregister_netdev(ndev); netif_napi_del(&priv->napi[RAVB_NC]); netif_napi_del(&priv->napi[RAVB_BE]); - ravb_mdio_release(priv); pm_runtime_disable(&pdev->dev); free_netdev(ndev); platform_set_drvdata(pdev, NULL); diff --git a/drivers/net/gtp.c b/drivers/net/gtp.c index 090607e725a24..d3ccd6929579a 100644 --- a/drivers/net/gtp.c +++ b/drivers/net/gtp.c @@ -1187,6 +1187,7 @@ static int gtp_genl_fill_info(struct sk_buff *skb, u32 snd_portid, u32 snd_seq, goto nlmsg_failure; if (nla_put_u32(skb, GTPA_VERSION, pctx->gtp_version) || + nla_put_u32(skb, GTPA_LINK, pctx->dev->ifindex) || nla_put_be32(skb, GTPA_PEER_ADDRESS, pctx->peer_addr_ip4.s_addr) || nla_put_be32(skb, GTPA_MS_ADDRESS, pctx->ms_addr_ip4.s_addr)) goto nla_put_failure; diff --git a/drivers/net/usb/asix_common.c b/drivers/net/usb/asix_common.c index e9fcf6ef716a8..9bf18127e63a1 100644 --- a/drivers/net/usb/asix_common.c +++ b/drivers/net/usb/asix_common.c @@ -309,7 +309,7 @@ int asix_read_phy_addr(struct usbnet *dev, int internal) netdev_dbg(dev->net, "asix_get_phy_addr()\n"); - if (ret < 0) { + if (ret < 2) { netdev_err(dev->net, "Error reading PHYID register: %02x\n", ret); goto out; } diff --git a/drivers/net/usb/qmi_wwan.c b/drivers/net/usb/qmi_wwan.c index 88b8ba0ad2cda..3e3dca59b7a69 100644 --- a/drivers/net/usb/qmi_wwan.c +++ b/drivers/net/usb/qmi_wwan.c @@ -1216,6 +1216,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x19d2, 0x2002, 4)}, /* ZTE (Vodafone) K3765-Z */ {QMI_FIXED_INTF(0x2001, 0x7e19, 4)}, /* D-Link DWM-221 B1 */ {QMI_FIXED_INTF(0x2001, 0x7e35, 4)}, /* D-Link DWM-222 */ + {QMI_FIXED_INTF(0x2001, 0x7e3d, 4)}, /* D-Link DWM-222 A2 */ {QMI_FIXED_INTF(0x2020, 0x2031, 4)}, /* Olicard 600 */ {QMI_FIXED_INTF(0x2020, 0x2033, 4)}, /* BroadMobi BM806U */ {QMI_FIXED_INTF(0x2020, 0x2060, 4)}, /* BroadMobi BM818 */ @@ -1251,6 +1252,7 @@ static const struct usb_device_id products[] = { {QMI_FIXED_INTF(0x2357, 0x9000, 4)}, /* TP-LINK MA260 */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1031, 3)}, /* Telit LE910C1-EUX */ {QMI_QUIRK_SET_DTR(0x1bc7, 0x1040, 2)}, /* Telit LE922A */ + {QMI_QUIRK_SET_DTR(0x1bc7, 0x1050, 2)}, /* Telit FN980 */ {QMI_FIXED_INTF(0x1bc7, 0x1100, 3)}, /* Telit ME910 */ {QMI_FIXED_INTF(0x1bc7, 0x1101, 3)}, /* Telit ME910 dual modem */ {QMI_FIXED_INTF(0x1bc7, 0x1200, 5)}, /* Telit LE920 */ diff --git a/drivers/nvdimm/nd.h b/drivers/nvdimm/nd.h index e3f060f0b83ea..dd3cb53846290 100644 --- a/drivers/nvdimm/nd.h +++ b/drivers/nvdimm/nd.h @@ -29,7 +29,6 @@ enum { * BTT instance */ ND_MAX_LANES = 256, - SECTOR_SHIFT = 9, INT_LBASIZE_ALIGNMENT = 64, NVDIMM_IO_ATOMIC = 1, }; diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c index 09a39f4aaf821..d0be85d0c289a 100644 --- a/drivers/nvme/target/core.c +++ b/drivers/nvme/target/core.c @@ -208,6 +208,9 @@ static void nvmet_keep_alive_timer(struct work_struct *work) static void nvmet_start_keep_alive_timer(struct nvmet_ctrl *ctrl) { + if (unlikely(ctrl->kato == 0)) + return; + pr_debug("ctrl %d start keep-alive timer for %d secs\n", ctrl->cntlid, ctrl->kato); @@ -217,6 +220,9 @@ static void nvmet_start_keep_alive_timer(struct nvmet_ctrl *ctrl) static void nvmet_stop_keep_alive_timer(struct nvmet_ctrl *ctrl) { + if (unlikely(ctrl->kato == 0)) + return; + pr_debug("ctrl %d stop keep-alive\n", ctrl->cntlid); cancel_delayed_work_sync(&ctrl->ka_work); diff --git a/drivers/nvme/target/fc.c b/drivers/nvme/target/fc.c index b7a5d1065378d..df1c6dee255bf 100644 --- a/drivers/nvme/target/fc.c +++ b/drivers/nvme/target/fc.c @@ -1994,9 +1994,9 @@ nvmet_fc_fod_op_done(struct nvmet_fc_fcp_iod *fod) return; if (fcpreq->fcp_error || fcpreq->transferred_length != fcpreq->transfer_length) { - spin_lock(&fod->flock); + spin_lock_irqsave(&fod->flock, flags); fod->abort = true; - spin_unlock(&fod->flock); + spin_unlock_irqrestore(&fod->flock, flags); nvmet_req_complete(&fod->req, NVME_SC_INTERNAL); return; diff --git a/drivers/scsi/gdth.h b/drivers/scsi/gdth.h index 95fc720c1b304..e6e5ccb1e0f38 100644 --- a/drivers/scsi/gdth.h +++ b/drivers/scsi/gdth.h @@ -178,9 +178,6 @@ #define MSG_SIZE 34 /* size of message structure */ #define MSG_REQUEST 0 /* async. event: message */ -/* cacheservice defines */ -#define SECTOR_SIZE 0x200 /* always 512 bytes per sec. */ - /* DPMEM constants */ #define DPMEM_MAGIC 0xC0FFEE11 #define IC_HEADER_BYTES 48 diff --git a/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c index fd11133606038..0c3141746edfe 100644 --- a/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c +++ b/drivers/thermal/ti-soc-thermal/omap4-thermal-data.c @@ -49,20 +49,21 @@ static struct temp_sensor_data omap4430_mpu_temp_sensor_data = { /* * Temperature values in milli degree celsius - * ADC code values from 530 to 923 + * ADC code values from 13 to 107, see TRM + * "18.4.10.2.3 ADC Codes Versus Temperature". */ static const int omap4430_adc_to_temp[OMAP4430_ADC_END_VALUE - OMAP4430_ADC_START_VALUE + 1] = { - -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, -22000, - -20000, -18000, -17000, -15000, -13000, -12000, -10000, -8000, -6000, - -5000, -3000, -1000, 0, 2000, 3000, 5000, 6000, 8000, 10000, 12000, - 13000, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28000, 30000, - 32000, 33000, 35000, 37000, 38000, 40000, 42000, 43000, 45000, 47000, - 48000, 50000, 52000, 53000, 55000, 57000, 58000, 60000, 62000, 64000, - 66000, 68000, 70000, 71000, 73000, 75000, 77000, 78000, 80000, 82000, - 83000, 85000, 87000, 88000, 90000, 92000, 93000, 95000, 97000, 98000, - 100000, 102000, 103000, 105000, 107000, 109000, 111000, 113000, 115000, - 117000, 118000, 120000, 122000, 123000, + -40000, -38000, -35000, -34000, -32000, -30000, -28000, -26000, -24000, + -22000, -20000, -18500, -17000, -15000, -13500, -12000, -10000, -8000, + -6500, -5000, -3500, -1500, 0, 2000, 3500, 5000, 6500, 8500, 10000, + 12000, 13500, 15000, 17000, 19000, 21000, 23000, 25000, 27000, 28500, + 30000, 32000, 33500, 35000, 37000, 38500, 40000, 42000, 43500, 45000, + 47000, 48500, 50000, 52000, 53500, 55000, 57000, 58500, 60000, 62000, + 64000, 66000, 68000, 70000, 71500, 73500, 75000, 77000, 78500, 80000, + 82000, 83500, 85000, 87000, 88500, 90000, 92000, 93500, 95000, 97000, + 98500, 100000, 102000, 103500, 105000, 107000, 109000, 111000, 113000, + 115000, 117000, 118500, 120000, 122000, 123500, 125000, }; /* OMAP4430 data */ diff --git a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h index 6f2de3a3356d4..86850082b24b9 100644 --- a/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h +++ b/drivers/thermal/ti-soc-thermal/omap4xxx-bandgap.h @@ -67,9 +67,13 @@ * and thresholds for OMAP4430. */ -/* ADC conversion table limits */ -#define OMAP4430_ADC_START_VALUE 0 -#define OMAP4430_ADC_END_VALUE 127 +/* + * ADC conversion table limits. Ignore values outside the TRM listed + * range to avoid bogus thermal shutdowns. See omap4430 TRM chapter + * "18.4.10.2.3 ADC Codes Versus Temperature". + */ +#define OMAP4430_ADC_START_VALUE 13 +#define OMAP4430_ADC_END_VALUE 107 /* bandgap clock limits (no control on 4430) */ #define OMAP4430_MAX_FREQ 32768 #define OMAP4430_MIN_FREQ 32768 diff --git a/drivers/xen/xenbus/xenbus_client.c b/drivers/xen/xenbus/xenbus_client.c index e94a61eaeceb0..f7b553faadb10 100644 --- a/drivers/xen/xenbus/xenbus_client.c +++ b/drivers/xen/xenbus/xenbus_client.c @@ -365,8 +365,14 @@ int xenbus_grant_ring(struct xenbus_device *dev, void *vaddr, int i, j; for (i = 0; i < nr_pages; i++) { - err = gnttab_grant_foreign_access(dev->otherend_id, - virt_to_gfn(vaddr), 0); + unsigned long gfn; + + if (is_vmalloc_addr(vaddr)) + gfn = pfn_to_gfn(vmalloc_to_pfn(vaddr)); + else + gfn = virt_to_gfn(vaddr); + + err = gnttab_grant_foreign_access(dev->otherend_id, gfn, 0); if (err < 0) { xenbus_dev_fatal(dev, err, "granting access to ring page"); diff --git a/fs/affs/amigaffs.c b/fs/affs/amigaffs.c index 185d5ab7e986a..a80ce75b5bad1 100644 --- a/fs/affs/amigaffs.c +++ b/fs/affs/amigaffs.c @@ -419,24 +419,51 @@ affs_mode_to_prot(struct inode *inode) u32 prot = AFFS_I(inode)->i_protect; umode_t mode = inode->i_mode; + /* + * First, clear all RWED bits for owner, group, other. + * Then, recalculate them afresh. + * + * We'll always clear the delete-inhibit bit for the owner, as that is + * the classic single-user mode AmigaOS protection bit and we need to + * stay compatible with all scenarios. + * + * Since multi-user AmigaOS is an extension, we'll only set the + * delete-allow bit if any of the other bits in the same user class + * (group/other) are used. + */ + prot &= ~(FIBF_NOEXECUTE | FIBF_NOREAD + | FIBF_NOWRITE | FIBF_NODELETE + | FIBF_GRP_EXECUTE | FIBF_GRP_READ + | FIBF_GRP_WRITE | FIBF_GRP_DELETE + | FIBF_OTR_EXECUTE | FIBF_OTR_READ + | FIBF_OTR_WRITE | FIBF_OTR_DELETE); + + /* Classic single-user AmigaOS flags. These are inverted. */ if (!(mode & 0100)) prot |= FIBF_NOEXECUTE; if (!(mode & 0400)) prot |= FIBF_NOREAD; if (!(mode & 0200)) prot |= FIBF_NOWRITE; + + /* Multi-user extended flags. Not inverted. */ if (mode & 0010) prot |= FIBF_GRP_EXECUTE; if (mode & 0040) prot |= FIBF_GRP_READ; if (mode & 0020) prot |= FIBF_GRP_WRITE; + if (mode & 0070) + prot |= FIBF_GRP_DELETE; + if (mode & 0001) prot |= FIBF_OTR_EXECUTE; if (mode & 0004) prot |= FIBF_OTR_READ; if (mode & 0002) prot |= FIBF_OTR_WRITE; + if (mode & 0007) + prot |= FIBF_OTR_DELETE; AFFS_I(inode)->i_protect = prot; } diff --git a/fs/affs/file.c b/fs/affs/file.c index a85817f54483f..ba084b0b214b9 100644 --- a/fs/affs/file.c +++ b/fs/affs/file.c @@ -428,6 +428,24 @@ static int affs_write_begin(struct file *file, struct address_space *mapping, return ret; } +static int affs_write_end(struct file *file, struct address_space *mapping, + loff_t pos, unsigned int len, unsigned int copied, + struct page *page, void *fsdata) +{ + struct inode *inode = mapping->host; + int ret; + + ret = generic_write_end(file, mapping, pos, len, copied, page, fsdata); + + /* Clear Archived bit on file writes, as AmigaOS would do */ + if (AFFS_I(inode)->i_protect & FIBF_ARCHIVED) { + AFFS_I(inode)->i_protect &= ~FIBF_ARCHIVED; + mark_inode_dirty(inode); + } + + return ret; +} + static sector_t _affs_bmap(struct address_space *mapping, sector_t block) { return generic_block_bmap(mapping,block,affs_get_block); @@ -437,7 +455,7 @@ const struct address_space_operations affs_aops = { .readpage = affs_readpage, .writepage = affs_writepage, .write_begin = affs_write_begin, - .write_end = generic_write_end, + .write_end = affs_write_end, .direct_IO = affs_direct_IO, .bmap = _affs_bmap }; @@ -794,6 +812,12 @@ done: if (tmp > inode->i_size) inode->i_size = AFFS_I(inode)->mmu_private = tmp; + /* Clear Archived bit on file writes, as AmigaOS would do */ + if (AFFS_I(inode)->i_protect & FIBF_ARCHIVED) { + AFFS_I(inode)->i_protect &= ~FIBF_ARCHIVED; + mark_inode_dirty(inode); + } + err_first_bh: unlock_page(page); put_page(page); diff --git a/fs/btrfs/ctree.c b/fs/btrfs/ctree.c index f5a8c0d26cf36..cf1e8ba50f6bf 100644 --- a/fs/btrfs/ctree.c +++ b/fs/btrfs/ctree.c @@ -1367,7 +1367,8 @@ tree_mod_log_rewind(struct btrfs_fs_info *fs_info, struct btrfs_path *path, btrfs_tree_read_unlock_blocking(eb); free_extent_buffer(eb); - extent_buffer_get(eb_rewin); + btrfs_set_buffer_lockdep_class(btrfs_header_owner(eb_rewin), + eb_rewin, btrfs_header_level(eb_rewin)); btrfs_tree_read_lock(eb_rewin); __tree_mod_log_rewind(fs_info, eb_rewin, time_seq, tm); WARN_ON(btrfs_header_nritems(eb_rewin) > @@ -1438,8 +1439,6 @@ get_old_root(struct btrfs_root *root, u64 time_seq) if (!eb) return NULL; - extent_buffer_get(eb); - btrfs_tree_read_lock(eb); if (old_root) { btrfs_set_header_bytenr(eb, eb->start); btrfs_set_header_backref_rev(eb, BTRFS_MIXED_BACKREF_REV); @@ -1447,6 +1446,9 @@ get_old_root(struct btrfs_root *root, u64 time_seq) btrfs_set_header_level(eb, old_root->level); btrfs_set_header_generation(eb, old_generation); } + btrfs_set_buffer_lockdep_class(btrfs_header_owner(eb), eb, + btrfs_header_level(eb)); + btrfs_tree_read_lock(eb); if (tm) __tree_mod_log_rewind(fs_info, eb, time_seq, tm); else diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index ef1fd6a09d8e5..0ba338cffa937 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -5448,9 +5448,9 @@ void read_extent_buffer(const struct extent_buffer *eb, void *dstv, } } -int read_extent_buffer_to_user(const struct extent_buffer *eb, - void __user *dstv, - unsigned long start, unsigned long len) +int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb, + void __user *dstv, + unsigned long start, unsigned long len) { size_t cur; size_t offset; @@ -5471,7 +5471,7 @@ int read_extent_buffer_to_user(const struct extent_buffer *eb, cur = min(len, (PAGE_SIZE - offset)); kaddr = page_address(page); - if (copy_to_user(dst, kaddr + offset, cur)) { + if (probe_user_write(dst, kaddr + offset, cur)) { ret = -EFAULT; break; } diff --git a/fs/btrfs/extent_io.h b/fs/btrfs/extent_io.h index e5535bbe69537..90c5095ae97ee 100644 --- a/fs/btrfs/extent_io.h +++ b/fs/btrfs/extent_io.h @@ -455,9 +455,9 @@ int memcmp_extent_buffer(const struct extent_buffer *eb, const void *ptrv, void read_extent_buffer(const struct extent_buffer *eb, void *dst, unsigned long start, unsigned long len); -int read_extent_buffer_to_user(const struct extent_buffer *eb, - void __user *dst, unsigned long start, - unsigned long len); +int read_extent_buffer_to_user_nofault(const struct extent_buffer *eb, + void __user *dst, unsigned long start, + unsigned long len); void write_extent_buffer_fsid(struct extent_buffer *eb, const void *src); void write_extent_buffer_chunk_tree_uuid(struct extent_buffer *eb, const void *src); diff --git a/fs/btrfs/ioctl.c b/fs/btrfs/ioctl.c index e82b4f3f490c1..7b3e41987d072 100644 --- a/fs/btrfs/ioctl.c +++ b/fs/btrfs/ioctl.c @@ -2021,9 +2021,14 @@ static noinline int copy_to_sk(struct btrfs_path *path, sh.len = item_len; sh.transid = found_transid; - /* copy search result header */ - if (copy_to_user(ubuf + *sk_offset, &sh, sizeof(sh))) { - ret = -EFAULT; + /* + * Copy search result header. If we fault then loop again so we + * can fault in the pages and -EFAULT there if there's a + * problem. Otherwise we'll fault and then copy the buffer in + * properly this next time through + */ + if (probe_user_write(ubuf + *sk_offset, &sh, sizeof(sh))) { + ret = 0; goto out; } @@ -2031,10 +2036,14 @@ static noinline int copy_to_sk(struct btrfs_path *path, if (item_len) { char __user *up = ubuf + *sk_offset; - /* copy the item */ - if (read_extent_buffer_to_user(leaf, up, - item_off, item_len)) { - ret = -EFAULT; + /* + * Copy the item, same behavior as above, but reset the + * * sk_offset so we copy the full thing again. + */ + if (read_extent_buffer_to_user_nofault(leaf, up, + item_off, item_len)) { + ret = 0; + *sk_offset -= sizeof(sh); goto out; } @@ -2122,6 +2131,10 @@ static noinline int search_ioctl(struct inode *inode, key.offset = sk->min_offset; while (1) { + ret = fault_in_pages_writeable(ubuf, *buf_size - sk_offset); + if (ret) + break; + ret = btrfs_search_forward(root, &key, path, sk->min_transid); if (ret != 0) { if (ret > 0) diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c index 4ff96e0aa26a9..a57f847303fcd 100644 --- a/fs/btrfs/volumes.c +++ b/fs/btrfs/volumes.c @@ -4174,6 +4174,7 @@ static int btrfs_uuid_scan_kthread(void *data) goto skip; } update_tree: + btrfs_release_path(path); if (!btrfs_is_empty_uuid(root_item.uuid)) { ret = btrfs_uuid_tree_add(trans, fs_info, root_item.uuid, @@ -4199,6 +4200,7 @@ update_tree: } skip: + btrfs_release_path(path); if (trans) { ret = btrfs_end_transaction(trans); trans = NULL; @@ -4206,7 +4208,6 @@ skip: break; } - btrfs_release_path(path); if (key.offset < (u64)-1) { key.offset++; } else if (key.type < BTRFS_ROOT_ITEM_KEY) { diff --git a/fs/ceph/file.c b/fs/ceph/file.c index 6d653235e323b..1f873034f4691 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -1728,6 +1728,7 @@ const struct file_operations ceph_file_fops = { .mmap = ceph_mmap, .fsync = ceph_fsync, .lock = ceph_lock, + .setlease = simple_nosetlease, .flock = ceph_flock, .splice_read = generic_file_splice_read, .splice_write = iter_file_splice_write, diff --git a/fs/eventpoll.c b/fs/eventpoll.c index 00f0902e27e88..af9dfa494b1fa 100644 --- a/fs/eventpoll.c +++ b/fs/eventpoll.c @@ -1901,9 +1901,9 @@ static int ep_loop_check_proc(void *priv, void *cookie, int call_nests) * during ep_insert(). */ if (list_empty(&epi->ffd.file->f_tfile_llink)) { - get_file(epi->ffd.file); - list_add(&epi->ffd.file->f_tfile_llink, - &tfile_check_list); + if (get_file_rcu(epi->ffd.file)) + list_add(&epi->ffd.file->f_tfile_llink, + &tfile_check_list); } } } diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h index 5999d80316759..1c3d774d3c839 100644 --- a/include/linux/blkdev.h +++ b/include/linux/blkdev.h @@ -1015,6 +1015,19 @@ static inline struct request_queue *bdev_get_queue(struct block_device *bdev) return bdev->bd_disk->queue; /* this is never NULL */ } +/* + * The basic unit of block I/O is a sector. It is used in a number of contexts + * in Linux (blk, bio, genhd). The size of one sector is 512 = 2**9 + * bytes. Variables of type sector_t represent an offset or size that is a + * multiple of 512 bytes. Hence these two constants. + */ +#ifndef SECTOR_SHIFT +#define SECTOR_SHIFT 9 +#endif +#ifndef SECTOR_SIZE +#define SECTOR_SIZE (1 << SECTOR_SHIFT) +#endif + /* * blk_rq_pos() : the current sector * blk_rq_bytes() : bytes left in the entire request @@ -1042,12 +1055,12 @@ extern unsigned int blk_rq_err_bytes(const struct request *rq); static inline unsigned int blk_rq_sectors(const struct request *rq) { - return blk_rq_bytes(rq) >> 9; + return blk_rq_bytes(rq) >> SECTOR_SHIFT; } static inline unsigned int blk_rq_cur_sectors(const struct request *rq) { - return blk_rq_cur_bytes(rq) >> 9; + return blk_rq_cur_bytes(rq) >> SECTOR_SHIFT; } /* @@ -1067,7 +1080,8 @@ static inline unsigned int blk_queue_get_max_sectors(struct request_queue *q, int op) { if (unlikely(op == REQ_OP_DISCARD || op == REQ_OP_SECURE_ERASE)) - return min(q->limits.max_discard_sectors, UINT_MAX >> 9); + return min(q->limits.max_discard_sectors, + UINT_MAX >> SECTOR_SHIFT); if (unlikely(op == REQ_OP_WRITE_SAME)) return q->limits.max_write_same_sectors; @@ -1376,16 +1390,21 @@ extern int blkdev_issue_zeroout(struct block_device *bdev, sector_t sector, static inline int sb_issue_discard(struct super_block *sb, sector_t block, sector_t nr_blocks, gfp_t gfp_mask, unsigned long flags) { - return blkdev_issue_discard(sb->s_bdev, block << (sb->s_blocksize_bits - 9), - nr_blocks << (sb->s_blocksize_bits - 9), + return blkdev_issue_discard(sb->s_bdev, + block << (sb->s_blocksize_bits - + SECTOR_SHIFT), + nr_blocks << (sb->s_blocksize_bits - + SECTOR_SHIFT), gfp_mask, flags); } static inline int sb_issue_zeroout(struct super_block *sb, sector_t block, sector_t nr_blocks, gfp_t gfp_mask) { return blkdev_issue_zeroout(sb->s_bdev, - block << (sb->s_blocksize_bits - 9), - nr_blocks << (sb->s_blocksize_bits - 9), + block << (sb->s_blocksize_bits - + SECTOR_SHIFT), + nr_blocks << (sb->s_blocksize_bits - + SECTOR_SHIFT), gfp_mask, 0); } @@ -1492,7 +1511,8 @@ static inline int queue_alignment_offset(struct request_queue *q) static inline int queue_limit_alignment_offset(struct queue_limits *lim, sector_t sector) { unsigned int granularity = max(lim->physical_block_size, lim->io_min); - unsigned int alignment = sector_div(sector, granularity >> 9) << 9; + unsigned int alignment = sector_div(sector, granularity >> SECTOR_SHIFT) + << SECTOR_SHIFT; return (granularity + lim->alignment_offset - alignment) % granularity; } @@ -1526,8 +1546,8 @@ static inline int queue_limit_discard_alignment(struct queue_limits *lim, sector return 0; /* Why are these in bytes, not sectors? */ - alignment = lim->discard_alignment >> 9; - granularity = lim->discard_granularity >> 9; + alignment = lim->discard_alignment >> SECTOR_SHIFT; + granularity = lim->discard_granularity >> SECTOR_SHIFT; if (!granularity) return 0; @@ -1538,7 +1558,7 @@ static inline int queue_limit_discard_alignment(struct queue_limits *lim, sector offset = (granularity + alignment - offset) % granularity; /* Turn it back into bytes, gaah */ - return offset << 9; + return offset << SECTOR_SHIFT; } static inline int bdev_discard_alignment(struct block_device *bdev) diff --git a/include/linux/bvec.h b/include/linux/bvec.h index ec8a4d7af6bda..f7dc68cd0a392 100644 --- a/include/linux/bvec.h +++ b/include/linux/bvec.h @@ -119,10 +119,17 @@ static inline bool bvec_iter_rewind(const struct bio_vec *bv, return true; } +static inline void bvec_iter_skip_zero_bvec(struct bvec_iter *iter) +{ + iter->bi_bvec_done = 0; + iter->bi_idx++; +} + #define for_each_bvec(bvl, bio_vec, iter, start) \ for (iter = (start); \ (iter).bi_size && \ ((bvl = bvec_iter_bvec((bio_vec), (iter))), 1); \ - bvec_iter_advance((bio_vec), &(iter), (bvl).bv_len)) + (bvl).bv_len ? (void)bvec_iter_advance((bio_vec), &(iter), \ + (bvl).bv_len) : bvec_iter_skip_zero_bvec(&(iter))) #endif /* __LINUX_BVEC_ITER_H */ diff --git a/include/linux/device-mapper.h b/include/linux/device-mapper.h index 91a063a1f3b37..5d067136fc27d 100644 --- a/include/linux/device-mapper.h +++ b/include/linux/device-mapper.h @@ -577,8 +577,6 @@ do { \ #define DMEMIT(x...) sz += ((sz >= maxlen) ? \ 0 : scnprintf(result + sz, maxlen - sz, x)) -#define SECTOR_SHIFT 9 - /* * Definitions of return values from target end_io function. */ diff --git a/include/linux/hid.h b/include/linux/hid.h index ba1f675598314..40409453ef3e5 100644 --- a/include/linux/hid.h +++ b/include/linux/hid.h @@ -919,34 +919,49 @@ static inline void hid_device_io_stop(struct hid_device *hid) { * @max: maximal valid usage->code to consider later (out parameter) * @type: input event type (EV_KEY, EV_REL, ...) * @c: code which corresponds to this usage and type + * + * The value pointed to by @bit will be set to NULL if either @type is + * an unhandled event type, or if @c is out of range for @type. This + * can be used as an error condition. */ static inline void hid_map_usage(struct hid_input *hidinput, struct hid_usage *usage, unsigned long **bit, int *max, - __u8 type, __u16 c) + __u8 type, unsigned int c) { struct input_dev *input = hidinput->input; - - usage->type = type; - usage->code = c; + unsigned long *bmap = NULL; + unsigned int limit = 0; switch (type) { case EV_ABS: - *bit = input->absbit; - *max = ABS_MAX; + bmap = input->absbit; + limit = ABS_MAX; break; case EV_REL: - *bit = input->relbit; - *max = REL_MAX; + bmap = input->relbit; + limit = REL_MAX; break; case EV_KEY: - *bit = input->keybit; - *max = KEY_MAX; + bmap = input->keybit; + limit = KEY_MAX; break; case EV_LED: - *bit = input->ledbit; - *max = LED_MAX; + bmap = input->ledbit; + limit = LED_MAX; break; } + + if (unlikely(c > limit || !bmap)) { + pr_warn_ratelimited("%s: Invalid code %d type %d\n", + input->name, c, type); + *bit = NULL; + return; + } + + usage->type = type; + usage->code = c; + *max = limit; + *bit = bmap; } /** @@ -960,7 +975,8 @@ static inline void hid_map_usage_clear(struct hid_input *hidinput, __u8 type, __u16 c) { hid_map_usage(hidinput, usage, bit, max, type, c); - clear_bit(c, *bit); + if (*bit) + clear_bit(usage->code, *bit); } /** diff --git a/include/linux/ide.h b/include/linux/ide.h index 70db3af045417..9885080c21c5c 100644 --- a/include/linux/ide.h +++ b/include/linux/ide.h @@ -165,7 +165,6 @@ struct ide_io_ports { */ #define PARTN_BITS 6 /* number of minor dev bits for partitions */ #define MAX_DRIVES 2 /* per interface; 2 assumed by lots of code */ -#define SECTOR_SIZE 512 /* * Timeouts for various operations: diff --git a/include/linux/libata.h b/include/linux/libata.h index 5c9a44e3a0278..f772c55ed901d 100644 --- a/include/linux/libata.h +++ b/include/linux/libata.h @@ -440,6 +440,7 @@ enum { ATA_HORKAGE_NO_DMA_LOG = (1 << 23), /* don't use DMA for log read */ ATA_HORKAGE_NOTRIM = (1 << 24), /* don't use TRIM */ ATA_HORKAGE_MAX_SEC_1024 = (1 << 25), /* Limit max sects to 1024 */ + ATA_HORKAGE_MAX_TRIM_128M = (1 << 26), /* Limit max trim size to 128M */ /* DMA mask for user DMA control: User visible values; DO NOT renumber */ diff --git a/include/linux/log2.h b/include/linux/log2.h index c373295f359fa..cca606609e1bc 100644 --- a/include/linux/log2.h +++ b/include/linux/log2.h @@ -159,7 +159,7 @@ unsigned long __rounddown_pow_of_two(unsigned long n) #define roundup_pow_of_two(n) \ ( \ __builtin_constant_p(n) ? ( \ - (n == 1) ? 1 : \ + ((n) == 1) ? 1 : \ (1UL << (ilog2((n) - 1) + 1)) \ ) : \ __roundup_pow_of_two(n) \ diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h index ec4f0053d6d8e..d49f193a44a29 100644 --- a/include/linux/uaccess.h +++ b/include/linux/uaccess.h @@ -242,6 +242,17 @@ static inline unsigned long __copy_from_user_inatomic_nocache(void *to, extern long probe_kernel_read(void *dst, const void *src, size_t size); extern long __probe_kernel_read(void *dst, const void *src, size_t size); +/* + * probe_user_read(): safely attempt to read from a location in user space + * @dst: pointer to the buffer that shall take the data + * @src: address to read from + * @size: size of the data chunk + * + * Safely read from address @src to the buffer at @dst. If a kernel fault + * happens, handle that and return -EFAULT. + */ +extern long probe_user_read(void *dst, const void __user *src, size_t size); + /* * probe_kernel_write(): safely attempt to write to a location * @dst: address to write to @@ -254,7 +265,22 @@ extern long __probe_kernel_read(void *dst, const void *src, size_t size); extern long notrace probe_kernel_write(void *dst, const void *src, size_t size); extern long notrace __probe_kernel_write(void *dst, const void *src, size_t size); +/* + * probe_user_write(): safely attempt to write to a location in user space + * @dst: address to write to + * @src: pointer to the data that shall be written + * @size: size of the data chunk + * + * Safely write to address @dst from the buffer at @src. If a kernel fault + * happens, handle that and return -EFAULT. + */ +extern long notrace probe_user_write(void __user *dst, const void *src, size_t size); +extern long notrace __probe_user_write(void __user *dst, const void *src, size_t size); + extern long strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count); +extern long strncpy_from_unsafe_user(char *dst, const void __user *unsafe_addr, + long count); +extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count); /** * probe_kernel_address(): safely attempt to read from a location diff --git a/include/net/netfilter/nf_tables.h b/include/net/netfilter/nf_tables.h index a9704c57430db..3107895115c25 100644 --- a/include/net/netfilter/nf_tables.h +++ b/include/net/netfilter/nf_tables.h @@ -136,6 +136,8 @@ static inline u8 nft_reg_load8(u32 *sreg) static inline void nft_data_copy(u32 *dst, const struct nft_data *src, unsigned int len) { + if (len % NFT_REG32_SIZE) + dst[len / NFT_REG32_SIZE] = 0; memcpy(dst, src, len); } diff --git a/include/uapi/linux/msdos_fs.h b/include/uapi/linux/msdos_fs.h index a45d0754102e0..fde753735abae 100644 --- a/include/uapi/linux/msdos_fs.h +++ b/include/uapi/linux/msdos_fs.h @@ -10,7 +10,9 @@ * The MS-DOS filesystem constants/structures */ +#ifndef SECTOR_SIZE #define SECTOR_SIZE 512 /* sector size (bytes) */ +#endif #define SECTOR_BITS 9 /* log2(SECTOR_SIZE) */ #define MSDOS_DPB (MSDOS_DPS) /* dir entries per block */ #define MSDOS_DPB_BITS 4 /* log2(MSDOS_DPB) */ diff --git a/include/uapi/linux/netfilter/nf_tables.h b/include/uapi/linux/netfilter/nf_tables.h index a3ee277b17a17..49b6997c32550 100644 --- a/include/uapi/linux/netfilter/nf_tables.h +++ b/include/uapi/linux/netfilter/nf_tables.h @@ -125,7 +125,7 @@ enum nf_tables_msg_types { * @NFTA_LIST_ELEM: list element (NLA_NESTED) */ enum nft_list_attributes { - NFTA_LIST_UNPEC, + NFTA_LIST_UNSPEC, NFTA_LIST_ELEM, __NFTA_LIST_MAX }; diff --git a/mm/hugetlb.c b/mm/hugetlb.c index 194125cf2d2b9..3d919635004e9 100644 --- a/mm/hugetlb.c +++ b/mm/hugetlb.c @@ -2911,6 +2911,22 @@ static unsigned int cpuset_mems_nr(unsigned int *array) } #ifdef CONFIG_SYSCTL +static int proc_hugetlb_doulongvec_minmax(struct ctl_table *table, int write, + void *buffer, size_t *length, + loff_t *ppos, unsigned long *out) +{ + struct ctl_table dup_table; + + /* + * In order to avoid races with __do_proc_doulongvec_minmax(), we + * can duplicate the @table and alter the duplicate of it. + */ + dup_table = *table; + dup_table.data = out; + + return proc_doulongvec_minmax(&dup_table, write, buffer, length, ppos); +} + static int hugetlb_sysctl_handler_common(bool obey_mempolicy, struct ctl_table *table, int write, void __user *buffer, size_t *length, loff_t *ppos) @@ -2922,9 +2938,8 @@ static int hugetlb_sysctl_handler_common(bool obey_mempolicy, if (!hugepages_supported()) return -EOPNOTSUPP; - table->data = &tmp; - table->maxlen = sizeof(unsigned long); - ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); + ret = proc_hugetlb_doulongvec_minmax(table, write, buffer, length, ppos, + &tmp); if (ret) goto out; @@ -2968,9 +2983,8 @@ int hugetlb_overcommit_handler(struct ctl_table *table, int write, if (write && hstate_is_gigantic(h)) return -EINVAL; - table->data = &tmp; - table->maxlen = sizeof(unsigned long); - ret = proc_doulongvec_minmax(table, write, buffer, length, ppos); + ret = proc_hugetlb_doulongvec_minmax(table, write, buffer, length, ppos, + &tmp); if (ret) goto out; diff --git a/mm/maccess.c b/mm/maccess.c index 78f9274dd49d0..03ea550f5a743 100644 --- a/mm/maccess.c +++ b/mm/maccess.c @@ -5,8 +5,32 @@ #include #include +static __always_inline long +probe_read_common(void *dst, const void __user *src, size_t size) +{ + long ret; + + pagefault_disable(); + ret = __copy_from_user_inatomic(dst, src, size); + pagefault_enable(); + + return ret ? -EFAULT : 0; +} + +static __always_inline long +probe_write_common(void __user *dst, const void *src, size_t size) +{ + long ret; + + pagefault_disable(); + ret = __copy_to_user_inatomic(dst, src, size); + pagefault_enable(); + + return ret ? -EFAULT : 0; +} + /** - * probe_kernel_read(): safely attempt to read from a location + * probe_kernel_read(): safely attempt to read from a kernel-space location * @dst: pointer to the buffer that shall take the data * @src: address to read from * @size: size of the data chunk @@ -29,16 +53,40 @@ long __probe_kernel_read(void *dst, const void *src, size_t size) mm_segment_t old_fs = get_fs(); set_fs(KERNEL_DS); - pagefault_disable(); - ret = __copy_from_user_inatomic(dst, - (__force const void __user *)src, size); - pagefault_enable(); + ret = probe_read_common(dst, (__force const void __user *)src, size); set_fs(old_fs); - return ret ? -EFAULT : 0; + return ret; } EXPORT_SYMBOL_GPL(probe_kernel_read); +/** + * probe_user_read(): safely attempt to read from a user-space location + * @dst: pointer to the buffer that shall take the data + * @src: address to read from. This must be a user address. + * @size: size of the data chunk + * + * Safely read from user address @src to the buffer at @dst. If a kernel fault + * happens, handle that and return -EFAULT. + */ + +long __weak probe_user_read(void *dst, const void __user *src, size_t size) + __attribute__((alias("__probe_user_read"))); + +long __probe_user_read(void *dst, const void __user *src, size_t size) +{ + long ret = -EFAULT; + mm_segment_t old_fs = get_fs(); + + set_fs(USER_DS); + if (access_ok(VERIFY_READ, src, size)) + ret = probe_read_common(dst, src, size); + set_fs(old_fs); + + return ret; +} +EXPORT_SYMBOL_GPL(probe_user_read); + /** * probe_kernel_write(): safely attempt to write to a location * @dst: address to write to @@ -48,6 +96,7 @@ EXPORT_SYMBOL_GPL(probe_kernel_read); * Safely write to address @dst from the buffer at @src. If a kernel fault * happens, handle that and return -EFAULT. */ + long __weak probe_kernel_write(void *dst, const void *src, size_t size) __attribute__((alias("__probe_kernel_write"))); @@ -57,15 +106,40 @@ long __probe_kernel_write(void *dst, const void *src, size_t size) mm_segment_t old_fs = get_fs(); set_fs(KERNEL_DS); - pagefault_disable(); - ret = __copy_to_user_inatomic((__force void __user *)dst, src, size); - pagefault_enable(); + ret = probe_write_common((__force void __user *)dst, src, size); set_fs(old_fs); - return ret ? -EFAULT : 0; + return ret; } EXPORT_SYMBOL_GPL(probe_kernel_write); +/** + * probe_user_write(): safely attempt to write to a user-space location + * @dst: address to write to + * @src: pointer to the data that shall be written + * @size: size of the data chunk + * + * Safely write to address @dst from the buffer at @src. If a kernel fault + * happens, handle that and return -EFAULT. + */ + +long __weak probe_user_write(void __user *dst, const void *src, size_t size) + __attribute__((alias("__probe_user_write"))); + +long __probe_user_write(void __user *dst, const void *src, size_t size) +{ + long ret = -EFAULT; + mm_segment_t old_fs = get_fs(); + + set_fs(USER_DS); + if (access_ok(VERIFY_WRITE, dst, size)) + ret = probe_write_common(dst, src, size); + set_fs(old_fs); + + return ret; +} +EXPORT_SYMBOL_GPL(probe_user_write); + /** * strncpy_from_unsafe: - Copy a NUL terminated string from unsafe address. * @dst: Destination address, in kernel space. This buffer must be at @@ -105,3 +179,76 @@ long strncpy_from_unsafe(char *dst, const void *unsafe_addr, long count) return ret ? -EFAULT : src - unsafe_addr; } + +/** + * strncpy_from_unsafe_user: - Copy a NUL terminated string from unsafe user + * address. + * @dst: Destination address, in kernel space. This buffer must be at + * least @count bytes long. + * @unsafe_addr: Unsafe user address. + * @count: Maximum number of bytes to copy, including the trailing NUL. + * + * Copies a NUL-terminated string from unsafe user address to kernel buffer. + * + * On success, returns the length of the string INCLUDING the trailing NUL. + * + * If access fails, returns -EFAULT (some data may have been copied + * and the trailing NUL added). + * + * If @count is smaller than the length of the string, copies @count-1 bytes, + * sets the last byte of @dst buffer to NUL and returns @count. + */ +long strncpy_from_unsafe_user(char *dst, const void __user *unsafe_addr, + long count) +{ + mm_segment_t old_fs = get_fs(); + long ret; + + if (unlikely(count <= 0)) + return 0; + + set_fs(USER_DS); + pagefault_disable(); + ret = strncpy_from_user(dst, unsafe_addr, count); + pagefault_enable(); + set_fs(old_fs); + + if (ret >= count) { + ret = count; + dst[ret - 1] = '\0'; + } else if (ret > 0) { + ret++; + } + + return ret; +} + +/** + * strnlen_unsafe_user: - Get the size of a user string INCLUDING final NUL. + * @unsafe_addr: The string to measure. + * @count: Maximum count (including NUL) + * + * Get the size of a NUL-terminated string in user space without pagefault. + * + * Returns the size of the string INCLUDING the terminating NUL. + * + * If the string is too long, returns a number larger than @count. User + * has to check the return value against "> count". + * On exception (or invalid count), returns 0. + * + * Unlike strnlen_user, this can be used from IRQ handler etc. because + * it disables pagefaults. + */ +long strnlen_unsafe_user(const void __user *unsafe_addr, long count) +{ + mm_segment_t old_fs = get_fs(); + int ret; + + set_fs(USER_DS); + pagefault_disable(); + ret = strnlen_user(unsafe_addr, count); + pagefault_enable(); + set_fs(old_fs); + + return ret; +} diff --git a/mm/slub.c b/mm/slub.c index 09d4cc4391bb2..db2639832037d 100644 --- a/mm/slub.c +++ b/mm/slub.c @@ -659,12 +659,12 @@ static void slab_fix(struct kmem_cache *s, char *fmt, ...) } static bool freelist_corrupted(struct kmem_cache *s, struct page *page, - void *freelist, void *nextfree) + void **freelist, void *nextfree) { if ((s->flags & SLAB_CONSISTENCY_CHECKS) && - !check_valid_pointer(s, page, nextfree)) { - object_err(s, page, freelist, "Freechain corrupt"); - freelist = NULL; + !check_valid_pointer(s, page, nextfree) && freelist) { + object_err(s, page, *freelist, "Freechain corrupt"); + *freelist = NULL; slab_fix(s, "Isolate corrupted freechain"); return true; } @@ -1354,7 +1354,7 @@ static inline void dec_slabs_node(struct kmem_cache *s, int node, int objects) {} static bool freelist_corrupted(struct kmem_cache *s, struct page *page, - void *freelist, void *nextfree) + void **freelist, void *nextfree) { return false; } @@ -2053,7 +2053,7 @@ static void deactivate_slab(struct kmem_cache *s, struct page *page, * 'freelist' is already corrupted. So isolate all objects * starting at 'freelist'. */ - if (freelist_corrupted(s, page, freelist, nextfree)) + if (freelist_corrupted(s, page, &freelist, nextfree)) break; do { diff --git a/net/batman-adv/bat_v_ogm.c b/net/batman-adv/bat_v_ogm.c index f0abbbdafe07f..c49c48866a3fc 100644 --- a/net/batman-adv/bat_v_ogm.c +++ b/net/batman-adv/bat_v_ogm.c @@ -715,6 +715,12 @@ static void batadv_v_ogm_process(const struct sk_buff *skb, int ogm_offset, ntohl(ogm_packet->seqno), ogm_throughput, ogm_packet->ttl, ogm_packet->version, ntohs(ogm_packet->tvlv_len)); + if (batadv_is_my_mac(bat_priv, ogm_packet->orig)) { + batadv_dbg(BATADV_DBG_BATMAN, bat_priv, + "Drop packet: originator packet from ourself\n"); + return; + } + /* If the throughput metric is 0, immediately drop the packet. No need * to create orig_node / neigh_node for an unusable route. */ @@ -842,11 +848,6 @@ int batadv_v_ogm_packet_recv(struct sk_buff *skb, if (batadv_is_my_mac(bat_priv, ethhdr->h_source)) goto free_skb; - ogm_packet = (struct batadv_ogm2_packet *)skb->data; - - if (batadv_is_my_mac(bat_priv, ogm_packet->orig)) - goto free_skb; - batadv_inc_counter(bat_priv, BATADV_CNT_MGMT_RX); batadv_add_counter(bat_priv, BATADV_CNT_MGMT_RX_BYTES, skb->len + ETH_HLEN); diff --git a/net/batman-adv/bridge_loop_avoidance.c b/net/batman-adv/bridge_loop_avoidance.c index c761c0c233e4b..ae647fa69ce85 100644 --- a/net/batman-adv/bridge_loop_avoidance.c +++ b/net/batman-adv/bridge_loop_avoidance.c @@ -450,7 +450,10 @@ static void batadv_bla_send_claim(struct batadv_priv *bat_priv, u8 *mac, batadv_add_counter(bat_priv, BATADV_CNT_RX_BYTES, skb->len + ETH_HLEN); - netif_rx(skb); + if (in_interrupt()) + netif_rx(skb); + else + netif_rx_ni(skb); out: if (primary_if) batadv_hardif_put(primary_if); diff --git a/net/batman-adv/gateway_client.c b/net/batman-adv/gateway_client.c index c6a7341f05270..056af2eec4a2a 100644 --- a/net/batman-adv/gateway_client.c +++ b/net/batman-adv/gateway_client.c @@ -674,8 +674,10 @@ batadv_gw_dhcp_recipient_get(struct sk_buff *skb, unsigned int *header_len, chaddr_offset = *header_len + BATADV_DHCP_CHADDR_OFFSET; /* store the client address if the message is going to a client */ - if (ret == BATADV_DHCP_TO_CLIENT && - pskb_may_pull(skb, chaddr_offset + ETH_ALEN)) { + if (ret == BATADV_DHCP_TO_CLIENT) { + if (!pskb_may_pull(skb, chaddr_offset + ETH_ALEN)) + return BATADV_DHCP_NO; + /* check if the DHCP packet carries an Ethernet DHCP */ p = skb->data + *header_len + BATADV_DHCP_HTYPE_OFFSET; if (*p != BATADV_DHCP_HTYPE_ETHERNET) diff --git a/net/netfilter/nf_tables_api.c b/net/netfilter/nf_tables_api.c index 5b8d5bfeb7ac5..7c95314f0b7de 100644 --- a/net/netfilter/nf_tables_api.c +++ b/net/netfilter/nf_tables_api.c @@ -2882,7 +2882,8 @@ static int nf_tables_fill_set(struct sk_buff *skb, const struct nft_ctx *ctx, goto nla_put_failure; } - if (nla_put(skb, NFTA_SET_USERDATA, set->udlen, set->udata)) + if (set->udata && + nla_put(skb, NFTA_SET_USERDATA, set->udlen, set->udata)) goto nla_put_failure; desc = nla_nest_start(skb, NFTA_SET_DESC); diff --git a/net/netfilter/nft_payload.c b/net/netfilter/nft_payload.c index 19446a89a2a81..b1a9f330a51fe 100644 --- a/net/netfilter/nft_payload.c +++ b/net/netfilter/nft_payload.c @@ -79,7 +79,9 @@ static void nft_payload_eval(const struct nft_expr *expr, u32 *dest = ®s->data[priv->dreg]; int offset; - dest[priv->len / NFT_REG32_SIZE] = 0; + if (priv->len % NFT_REG32_SIZE) + dest[priv->len / NFT_REG32_SIZE] = 0; + switch (priv->base) { case NFT_PAYLOAD_LL_HEADER: if (!skb_mac_header_was_set(skb)) diff --git a/net/wireless/reg.c b/net/wireless/reg.c index b95d1c2bdef7e..9eb9d34cef7b1 100644 --- a/net/wireless/reg.c +++ b/net/wireless/reg.c @@ -2408,6 +2408,9 @@ int regulatory_hint_user(const char *alpha2, if (WARN_ON(!alpha2)) return -EINVAL; + if (!is_world_regdom(alpha2) && !is_an_alpha2(alpha2)) + return -EINVAL; + request = kzalloc(sizeof(struct regulatory_request), GFP_KERNEL); if (!request) return -ENOMEM; diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl index 8b80bac055e49..d702bdf19eb10 100755 --- a/scripts/checkpatch.pl +++ b/scripts/checkpatch.pl @@ -2428,8 +2428,8 @@ sub process { # Check if the commit log has what seems like a diff which can confuse patch if ($in_commit_log && !$commit_log_has_diff && - (($line =~ m@^\s+diff\b.*a/[\w/]+@ && - $line =~ m@^\s+diff\b.*a/([\w/]+)\s+b/$1\b@) || + (($line =~ m@^\s+diff\b.*a/([\w/]+)@ && + $line =~ m@^\s+diff\b.*a/[\w/]+\s+b/$1\b@) || $line =~ m@^\s*(?:\-\-\-\s+a/|\+\+\+\s+b/)@ || $line =~ m/^\s*\@\@ \-\d+,\d+ \+\d+,\d+ \@\@/)) { ERROR("DIFF_IN_COMMIT_MSG", diff --git a/sound/core/oss/mulaw.c b/sound/core/oss/mulaw.c index 3788906421a73..fe27034f28460 100644 --- a/sound/core/oss/mulaw.c +++ b/sound/core/oss/mulaw.c @@ -329,8 +329,8 @@ int snd_pcm_plugin_build_mulaw(struct snd_pcm_substream *plug, snd_BUG(); return -EINVAL; } - if (snd_BUG_ON(!snd_pcm_format_linear(format->format))) - return -ENXIO; + if (!snd_pcm_format_linear(format->format)) + return -EINVAL; err = snd_pcm_plugin_build(plug, "Mu-Law<->linear conversion", src_format, dst_format, diff --git a/sound/firewire/digi00x/digi00x.c b/sound/firewire/digi00x/digi00x.c index ef689997d6a5b..bf53e342788e2 100644 --- a/sound/firewire/digi00x/digi00x.c +++ b/sound/firewire/digi00x/digi00x.c @@ -15,6 +15,7 @@ MODULE_LICENSE("GPL v2"); #define VENDOR_DIGIDESIGN 0x00a07e #define MODEL_CONSOLE 0x000001 #define MODEL_RACK 0x000002 +#define SPEC_VERSION 0x000001 static int name_card(struct snd_dg00x *dg00x) { @@ -185,14 +186,18 @@ static const struct ieee1394_device_id snd_dg00x_id_table[] = { /* Both of 002/003 use the same ID. */ { .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_VERSION | IEEE1394_MATCH_MODEL_ID, .vendor_id = VENDOR_DIGIDESIGN, + .version = SPEC_VERSION, .model_id = MODEL_CONSOLE, }, { .match_flags = IEEE1394_MATCH_VENDOR_ID | + IEEE1394_MATCH_VERSION | IEEE1394_MATCH_MODEL_ID, .vendor_id = VENDOR_DIGIDESIGN, + .version = SPEC_VERSION, .model_id = MODEL_RACK, }, {} diff --git a/sound/pci/ca0106/ca0106_main.c b/sound/pci/ca0106/ca0106_main.c index cd27b55366544..675b812e96d63 100644 --- a/sound/pci/ca0106/ca0106_main.c +++ b/sound/pci/ca0106/ca0106_main.c @@ -551,7 +551,8 @@ static int snd_ca0106_pcm_power_dac(struct snd_ca0106 *chip, int channel_id, else /* Power down */ chip->spi_dac_reg[reg] |= bit; - return snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]); + if (snd_ca0106_spi_write(chip, chip->spi_dac_reg[reg]) != 0) + return -ENXIO; } return 0; } diff --git a/sound/pci/hda/patch_hdmi.c b/sound/pci/hda/patch_hdmi.c index 9e8cfc409b4b3..cb7047bf844df 100644 --- a/sound/pci/hda/patch_hdmi.c +++ b/sound/pci/hda/patch_hdmi.c @@ -2546,6 +2546,7 @@ static void i915_pin_cvt_fixup(struct hda_codec *codec, hda_nid_t cvt_nid) { if (per_pin) { + haswell_verify_D0(codec, per_pin->cvt_nid, per_pin->pin_nid); snd_hda_set_dev_select(codec, per_pin->pin_nid, per_pin->dev_id); intel_verify_pin_cvt_connect(codec, per_pin); diff --git a/tools/include/uapi/linux/perf_event.h b/tools/include/uapi/linux/perf_event.h index 362493a2f950b..3b733511bb2b3 100644 --- a/tools/include/uapi/linux/perf_event.h +++ b/tools/include/uapi/linux/perf_event.h @@ -1033,7 +1033,7 @@ union perf_mem_data_src { #define PERF_MEM_SNOOPX_FWD 0x01 /* forward */ /* 1 free */ -#define PERF_MEM_SNOOPX_SHIFT 37 +#define PERF_MEM_SNOOPX_SHIFT 38 /* locked instruction */ #define PERF_MEM_LOCK_NA 0x01 /* not available */ diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Documentation/perf-record.txt index 63526f4416ea4..7b36bc6e32bb0 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -33,6 +33,10 @@ OPTIONS - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - a symbolic or raw PMU event followed by an optional colon + and a list of event modifiers, e.g., cpu-cycles:p. See the + linkperf:perf-list[1] man page for details on event modifiers. + - a symbolically formed PMU event like 'pmu/param1=0x3,param2/' where 'param1', 'param2', etc are defined as formats for the PMU in /sys/bus/event_source/devices//format/*. diff --git a/tools/perf/Documentation/perf-stat.txt b/tools/perf/Documentation/perf-stat.txt index c37d61682dfb1..670aff81518b6 100644 --- a/tools/perf/Documentation/perf-stat.txt +++ b/tools/perf/Documentation/perf-stat.txt @@ -39,6 +39,10 @@ report:: - a raw PMU event (eventsel+umask) in the form of rNNN where NNN is a hexadecimal event descriptor. + - a symbolic or raw PMU event followed by an optional colon + and a list of event modifiers, e.g., cpu-cycles:p. See the + linkperf:perf-list[1] man page for details on event modifiers. + - a symbolically formed event like 'pmu/param1=0x3,param2/' where param1 and param2 are defined as formats for the PMU in /sys/bus/event_source/devices//format/*