diff --git a/Documentation/virtual/kvm/api.txt b/Documentation/virtual/kvm/api.txt
index 9fa2bf8c3f6f..7830f1c34a7d 100644
--- a/Documentation/virtual/kvm/api.txt
+++ b/Documentation/virtual/kvm/api.txt
@@ -1955,6 +1955,7 @@ registers, find a list below:
   PPC   | KVM_REG_PPC_TM_VSCR           | 32
   PPC   | KVM_REG_PPC_TM_DSCR           | 64
   PPC   | KVM_REG_PPC_TM_TAR            | 64
+  PPC   | KVM_REG_PPC_TM_XER            | 64
         |                               |
   MIPS  | KVM_REG_MIPS_R0               | 64
           ...
diff --git a/Makefile b/Makefile
index df72b644f78c..1aba5352e0bd 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 4
 PATCHLEVEL = 1
-SUBLEVEL = 37
+SUBLEVEL = 38
 EXTRAVERSION =
 NAME = Series 4800
 
diff --git a/arch/arm/xen/enlighten.c b/arch/arm/xen/enlighten.c
index 7d0f07020c80..ab19044815f5 100644
--- a/arch/arm/xen/enlighten.c
+++ b/arch/arm/xen/enlighten.c
@@ -218,8 +218,7 @@ static int __init xen_guest_init(void)
 	 * for secondary CPUs as they are brought up.
 	 * For uniformity we use VCPUOP_register_vcpu_info even on cpu0.
 	 */
-	xen_vcpu_info = __alloc_percpu(sizeof(struct vcpu_info),
-			                       sizeof(struct vcpu_info));
+	xen_vcpu_info = alloc_percpu(struct vcpu_info);
 	if (xen_vcpu_info == NULL)
 		return -ENOMEM;
 
diff --git a/arch/powerpc/boot/ps3-head.S b/arch/powerpc/boot/ps3-head.S
index b6fcbaf5027b..3dc44b05fb97 100644
--- a/arch/powerpc/boot/ps3-head.S
+++ b/arch/powerpc/boot/ps3-head.S
@@ -57,11 +57,6 @@ __system_reset_overlay:
 	bctr
 
 1:
-	/* Save the value at addr zero for a null pointer write check later. */
-
-	li	r4, 0
-	lwz	r3, 0(r4)
-
 	/* Primary delays then goes to _zimage_start in wrapper. */
 
 	or	31, 31, 31 /* db16cyc */
diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c
index 4ec2d86d3c50..a05558a7e51a 100644
--- a/arch/powerpc/boot/ps3.c
+++ b/arch/powerpc/boot/ps3.c
@@ -119,13 +119,12 @@ void ps3_copy_vectors(void)
 	flush_cache((void *)0x100, 512);
 }
 
-void platform_init(unsigned long null_check)
+void platform_init(void)
 {
 	const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */
 	void *chosen;
 	unsigned long ft_addr;
 	u64 rm_size;
-	unsigned long val;
 
 	console_ops.write = ps3_console_write;
 	platform_ops.exit = ps3_exit;
@@ -153,11 +152,6 @@ void platform_init(unsigned long null_check)
 
 	printf(" flat tree at 0x%lx\n\r", ft_addr);
 
-	val = *(unsigned long *)0;
-
-	if (val != null_check)
-		printf("null check failed: %lx != %lx\n\r", val, null_check);
-
 	((kernel_entry_t)0)(ft_addr, 0, NULL);
 
 	ps3_exit();
diff --git a/arch/powerpc/include/asm/kvm_host.h b/arch/powerpc/include/asm/kvm_host.h
index a193a13cf08b..7fe65af0035d 100644
--- a/arch/powerpc/include/asm/kvm_host.h
+++ b/arch/powerpc/include/asm/kvm_host.h
@@ -532,6 +532,7 @@ struct kvm_vcpu_arch {
 	u64 tfiar;
 
 	u32 cr_tm;
+	u64 xer_tm;
 	u64 lr_tm;
 	u64 ctr_tm;
 	u64 amr_tm;
diff --git a/arch/powerpc/include/uapi/asm/kvm.h b/arch/powerpc/include/uapi/asm/kvm.h
index ab4d4732c492..720b71a636c8 100644
--- a/arch/powerpc/include/uapi/asm/kvm.h
+++ b/arch/powerpc/include/uapi/asm/kvm.h
@@ -587,6 +587,7 @@ struct kvm_get_htab_header {
 #define KVM_REG_PPC_TM_VSCR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U32 | 0x67)
 #define KVM_REG_PPC_TM_DSCR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x68)
 #define KVM_REG_PPC_TM_TAR	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x69)
+#define KVM_REG_PPC_TM_XER	(KVM_REG_PPC_TM | KVM_REG_SIZE_U64 | 0x6a)
 
 /* PPC64 eXternal Interrupt Controller Specification */
 #define KVM_DEV_XICS_GRP_SOURCES	1	/* 64-bit source attributes */
diff --git a/arch/powerpc/kernel/asm-offsets.c b/arch/powerpc/kernel/asm-offsets.c
index 0034b6b3556a..d8d332e65078 100644
--- a/arch/powerpc/kernel/asm-offsets.c
+++ b/arch/powerpc/kernel/asm-offsets.c
@@ -583,6 +583,7 @@ int main(void)
 	DEFINE(VCPU_VRS_TM, offsetof(struct kvm_vcpu, arch.vr_tm.vr));
 	DEFINE(VCPU_VRSAVE_TM, offsetof(struct kvm_vcpu, arch.vrsave_tm));
 	DEFINE(VCPU_CR_TM, offsetof(struct kvm_vcpu, arch.cr_tm));
+	DEFINE(VCPU_XER_TM, offsetof(struct kvm_vcpu, arch.xer_tm));
 	DEFINE(VCPU_LR_TM, offsetof(struct kvm_vcpu, arch.lr_tm));
 	DEFINE(VCPU_CTR_TM, offsetof(struct kvm_vcpu, arch.ctr_tm));
 	DEFINE(VCPU_AMR_TM, offsetof(struct kvm_vcpu, arch.amr_tm));
diff --git a/arch/powerpc/kvm/book3s_hv.c b/arch/powerpc/kvm/book3s_hv.c
index f5b3de7f7fa2..63c37fd2b7a6 100644
--- a/arch/powerpc/kvm/book3s_hv.c
+++ b/arch/powerpc/kvm/book3s_hv.c
@@ -1171,6 +1171,9 @@ static int kvmppc_get_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
 	case KVM_REG_PPC_TM_CR:
 		*val = get_reg_val(id, vcpu->arch.cr_tm);
 		break;
+	case KVM_REG_PPC_TM_XER:
+		*val = get_reg_val(id, vcpu->arch.xer_tm);
+		break;
 	case KVM_REG_PPC_TM_LR:
 		*val = get_reg_val(id, vcpu->arch.lr_tm);
 		break;
@@ -1378,6 +1381,9 @@ static int kvmppc_set_one_reg_hv(struct kvm_vcpu *vcpu, u64 id,
 	case KVM_REG_PPC_TM_CR:
 		vcpu->arch.cr_tm = set_reg_val(id, *val);
 		break;
+	case KVM_REG_PPC_TM_XER:
+		vcpu->arch.xer_tm = set_reg_val(id, *val);
+		break;
 	case KVM_REG_PPC_TM_LR:
 		vcpu->arch.lr_tm = set_reg_val(id, *val);
 		break;
diff --git a/arch/powerpc/kvm/book3s_hv_rm_mmu.c b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
index c6d601cc9764..bee16411de73 100644
--- a/arch/powerpc/kvm/book3s_hv_rm_mmu.c
+++ b/arch/powerpc/kvm/book3s_hv_rm_mmu.c
@@ -619,6 +619,8 @@ long kvmppc_h_protect(struct kvm_vcpu *vcpu, unsigned long flags,
 					      HPTE_V_ABSENT);
 			do_tlbies(kvm, &rb, 1, global_invalidates(kvm, flags),
 				  true);
+			/* Don't lose R/C bit updates done by hardware */
+			r |= be64_to_cpu(hpte[1]) & (HPTE_R_R | HPTE_R_C);
 			hpte[1] = cpu_to_be64(r);
 		}
 	}
diff --git a/arch/powerpc/kvm/book3s_hv_rmhandlers.S b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
index 11d82b91aa4f..70eaf547703e 100644
--- a/arch/powerpc/kvm/book3s_hv_rmhandlers.S
+++ b/arch/powerpc/kvm/book3s_hv_rmhandlers.S
@@ -2399,11 +2399,13 @@ kvmppc_save_tm:
 	mfctr	r7
 	mfspr	r8, SPRN_AMR
 	mfspr	r10, SPRN_TAR
+	mfxer	r11
 	std	r5, VCPU_LR_TM(r9)
 	stw	r6, VCPU_CR_TM(r9)
 	std	r7, VCPU_CTR_TM(r9)
 	std	r8, VCPU_AMR_TM(r9)
 	std	r10, VCPU_TAR_TM(r9)
+	std	r11, VCPU_XER_TM(r9)
 
 	/* Restore r12 as trap number. */
 	lwz	r12, VCPU_TRAP(r9)
@@ -2496,11 +2498,13 @@ kvmppc_restore_tm:
 	ld	r7, VCPU_CTR_TM(r4)
 	ld	r8, VCPU_AMR_TM(r4)
 	ld	r9, VCPU_TAR_TM(r4)
+	ld	r10, VCPU_XER_TM(r4)
 	mtlr	r5
 	mtcr	r6
 	mtctr	r7
 	mtspr	SPRN_AMR, r8
 	mtspr	SPRN_TAR, r9
+	mtxer	r10
 
 	/*
 	 * Load up PPR and DSCR values but don't put them in the actual SPRs
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 08f9d9230b94..341ea55d2e85 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -1172,10 +1172,10 @@ static inline bool nested_cpu_has_posted_intr(struct vmcs12 *vmcs12)
 	return vmcs12->pin_based_vm_exec_control & PIN_BASED_POSTED_INTR;
 }
 
-static inline bool is_exception(u32 intr_info)
+static inline bool is_nmi(u32 intr_info)
 {
 	return (intr_info & (INTR_INFO_INTR_TYPE_MASK | INTR_INFO_VALID_MASK))
-		== (INTR_TYPE_HARD_EXCEPTION | INTR_INFO_VALID_MASK);
+		== (INTR_TYPE_NMI_INTR | INTR_INFO_VALID_MASK);
 }
 
 static void nested_vmx_vmexit(struct kvm_vcpu *vcpu, u32 exit_reason,
@@ -5089,7 +5089,7 @@ static int handle_exception(struct kvm_vcpu *vcpu)
 	if (is_machine_check(intr_info))
 		return handle_machine_check(vcpu);
 
-	if ((intr_info & INTR_INFO_INTR_TYPE_MASK) == INTR_TYPE_NMI_INTR)
+	if (is_nmi(intr_info))
 		return 1;  /* already handled by vmx_vcpu_run() */
 
 	if (is_no_device(intr_info)) {
@@ -7519,7 +7519,7 @@ static bool nested_vmx_exit_handled(struct kvm_vcpu *vcpu)
 
 	switch (exit_reason) {
 	case EXIT_REASON_EXCEPTION_NMI:
-		if (!is_exception(intr_info))
+		if (is_nmi(intr_info))
 			return false;
 		else if (is_page_fault(intr_info))
 			return enable_ept;
@@ -7967,8 +7967,7 @@ static void vmx_complete_atomic_exit(struct vcpu_vmx *vmx)
 		kvm_machine_check();
 
 	/* We need to handle NMIs before interrupts are enabled */
-	if ((exit_intr_info & INTR_INFO_INTR_TYPE_MASK) == INTR_TYPE_NMI_INTR &&
-	    (exit_intr_info & INTR_INFO_VALID_MASK)) {
+	if (is_nmi(exit_intr_info)) {
 		kvm_before_handle_nmi(&vmx->vcpu);
 		asm("int $2");
 		kvm_after_handle_nmi(&vmx->vcpu);
diff --git a/block/bsg.c b/block/bsg.c
index d214e929ce18..b9a53615bdef 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -655,6 +655,9 @@ bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos)
 
 	dprintk("%s: write %Zd bytes\n", bd->name, count);
 
+	if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
+		return -EINVAL;
+
 	bsg_set_block(bd, file);
 
 	bytes_written = 0;
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c
index 4d1d9de4f9bf..8b0b95014465 100644
--- a/drivers/base/firmware_class.c
+++ b/drivers/base/firmware_class.c
@@ -923,13 +923,14 @@ static int _request_firmware_load(struct firmware_priv *fw_priv,
 		timeout = MAX_JIFFY_OFFSET;
 	}
 
-	retval = wait_for_completion_interruptible_timeout(&buf->completion,
+	timeout = wait_for_completion_interruptible_timeout(&buf->completion,
 			timeout);
-	if (retval == -ERESTARTSYS || !retval) {
+	if (timeout == -ERESTARTSYS || !timeout) {
+		retval = timeout;
 		mutex_lock(&fw_lock);
 		fw_load_abort(fw_priv);
 		mutex_unlock(&fw_lock);
-	} else if (retval > 0) {
+	} else if (timeout > 0) {
 		retval = 0;
 	}
 
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index cef6fa83a274..ea0c863861b9 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -1436,7 +1436,7 @@ static int loop_queue_rq(struct blk_mq_hw_ctx *hctx,
 	blk_mq_start_request(bd->rq);
 
 	if (lo->lo_state != Lo_bound)
-		return -EIO;
+		return BLK_MQ_RQ_QUEUE_ERROR;
 
 	if (cmd->rq->cmd_flags & REQ_WRITE) {
 		struct loop_device *lo = cmd->rq->q->queuedata;
diff --git a/drivers/char/tpm/xen-tpmfront.c b/drivers/char/tpm/xen-tpmfront.c
index 3111f2778079..849f2e29c243 100644
--- a/drivers/char/tpm/xen-tpmfront.c
+++ b/drivers/char/tpm/xen-tpmfront.c
@@ -305,7 +305,6 @@ static int tpmfront_probe(struct xenbus_device *dev,
 	rv = setup_ring(dev, priv);
 	if (rv) {
 		chip = dev_get_drvdata(&dev->dev);
-		tpm_chip_unregister(chip);
 		ring_free(priv);
 		return rv;
 	}
diff --git a/drivers/crypto/caam/caamalg.c b/drivers/crypto/caam/caamalg.c
index 29071a156cbe..c9202f6feda8 100644
--- a/drivers/crypto/caam/caamalg.c
+++ b/drivers/crypto/caam/caamalg.c
@@ -703,7 +703,9 @@ static int aead_set_sh_desc(struct crypto_aead *aead)
 
 	/* Will read cryptlen */
 	append_math_add(desc, VARSEQINLEN, SEQINLEN, REG0, CAAM_CMD_SZ);
-	aead_append_src_dst(desc, FIFOLD_TYPE_MSG1OUT2);
+	append_seq_fifo_load(desc, 0, FIFOLD_CLASS_BOTH | KEY_VLF |
+			     FIFOLD_TYPE_MSG1OUT2 | FIFOLD_TYPE_LASTBOTH);
+	append_seq_fifo_store(desc, 0, FIFOST_TYPE_MESSAGE_DATA | KEY_VLF);
 
 	/* Write ICV */
 	append_seq_store(desc, ctx->authsize, LDST_CLASS_2_CCB |
diff --git a/drivers/gpu/drm/ast/ast_main.c b/drivers/gpu/drm/ast/ast_main.c
index fd5c5f3370f6..e53dbc90fcb6 100644
--- a/drivers/gpu/drm/ast/ast_main.c
+++ b/drivers/gpu/drm/ast/ast_main.c
@@ -223,7 +223,8 @@ static int ast_get_dram_info(struct drm_device *dev)
 	ast_write32(ast, 0x10000, 0xfc600309);
 
 	do {
-		;
+		if (pci_channel_offline(dev->pdev))
+			return -EIO;
 	} while (ast_read32(ast, 0x10000) != 0x01);
 	data = ast_read32(ast, 0x10004);
 
@@ -429,7 +430,9 @@ int ast_driver_load(struct drm_device *dev, unsigned long flags)
 	ast_detect_chip(dev, &need_post);
 
 	if (ast->chip != AST1180) {
-		ast_get_dram_info(dev);
+		ret = ast_get_dram_info(dev);
+		if (ret)
+			goto out_free;
 		ast->vram_size = ast_get_vram_info(dev);
 		DRM_INFO("dram %d %d %d %08x\n", ast->mclk, ast->dram_type, ast->dram_bus_width, ast->vram_size);
 	}
diff --git a/drivers/gpu/drm/gma500/psb_drv.c b/drivers/gpu/drm/gma500/psb_drv.c
index 92e7e5795398..db98ab5cde3d 100644
--- a/drivers/gpu/drm/gma500/psb_drv.c
+++ b/drivers/gpu/drm/gma500/psb_drv.c
@@ -484,6 +484,9 @@ static const struct file_operations psb_gem_fops = {
 	.open = drm_open,
 	.release = drm_release,
 	.unlocked_ioctl = psb_unlocked_ioctl,
+#ifdef CONFIG_COMPAT
+	.compat_ioctl = drm_compat_ioctl,
+#endif
 	.mmap = drm_gem_mmap,
 	.poll = drm_poll,
 	.read = drm_read,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index 7d53d7e15455..c7a7cc17db32 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -2006,21 +2006,19 @@ struct drm_i915_gem_object {
 	/** Record of address bit 17 of each page at last unbind. */
 	unsigned long *bit_17;
 
-	union {
-		/** for phy allocated objects */
-		struct drm_dma_handle *phys_handle;
-
-		struct i915_gem_userptr {
-			uintptr_t ptr;
-			unsigned read_only :1;
-			unsigned workers :4;
+	struct i915_gem_userptr {
+		uintptr_t ptr;
+		unsigned read_only :1;
+		unsigned workers :4;
 #define I915_GEM_USERPTR_MAX_WORKERS 15
 
-			struct i915_mm_struct *mm;
-			struct i915_mmu_object *mmu_object;
-			struct work_struct *work;
-		} userptr;
-	};
+		struct i915_mm_struct *mm;
+		struct i915_mmu_object *mmu_object;
+		struct work_struct *work;
+	} userptr;
+
+	/** for phys allocated objects */
+	struct drm_dma_handle *phys_handle;
 };
 #define to_intel_bo(x) container_of(x, struct drm_i915_gem_object, base)
 
diff --git a/drivers/gpu/drm/i915/intel_pm.c b/drivers/gpu/drm/i915/intel_pm.c
index 00bc49835e09..52c703be7882 100644
--- a/drivers/gpu/drm/i915/intel_pm.c
+++ b/drivers/gpu/drm/i915/intel_pm.c
@@ -1849,32 +1849,34 @@ static void intel_read_wm_latency(struct drm_device *dev, uint16_t wm[8])
 				GEN9_MEM_LATENCY_LEVEL_MASK;
 
 		/*
+		 * If a level n (n > 1) has a 0us latency, all levels m (m >= n)
+		 * need to be disabled. We make sure to sanitize the values out
+		 * of the punit to satisfy this requirement.
+		 */
+		for (level = 1; level <= max_level; level++) {
+			if (wm[level] == 0) {
+				for (i = level + 1; i <= max_level; i++)
+					wm[i] = 0;
+				break;
+			}
+		}
+
+		/*
 		 * WaWmMemoryReadLatency:skl
 		 *
 		 * punit doesn't take into account the read latency so we need
-		 * to add 2us to the various latency levels we retrieve from
-		 * the punit.
-		 *   - W0 is a bit special in that it's the only level that
-		 *   can't be disabled if we want to have display working, so
-		 *   we always add 2us there.
-		 *   - For levels >=1, punit returns 0us latency when they are
-		 *   disabled, so we respect that and don't add 2us then
-		 *
-		 * Additionally, if a level n (n > 1) has a 0us latency, all
-		 * levels m (m >= n) need to be disabled. We make sure to
-		 * sanitize the values out of the punit to satisfy this
-		 * requirement.
+		 * to add 2us to the various latency levels we retrieve from the
+		 * punit when level 0 response data us 0us.
 		 */
-		wm[0] += 2;
-		for (level = 1; level <= max_level; level++)
-			if (wm[level] != 0)
+		if (wm[0] == 0) {
+			wm[0] += 2;
+			for (level = 1; level <= max_level; level++) {
+				if (wm[level] == 0)
+					break;
 				wm[level] += 2;
-			else {
-				for (i = level + 1; i <= max_level; i++)
-					wm[i] = 0;
-
-				break;
 			}
+		}
+
 	} else if (IS_HASWELL(dev) || IS_BROADWELL(dev)) {
 		uint64_t sskpd = I915_READ64(MCH_SSKPD);
 
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index fa661744a1f5..cba23008eca4 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -90,6 +90,9 @@ static void radeon_show_cursor(struct drm_crtc *crtc)
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 	struct radeon_device *rdev = crtc->dev->dev_private;
 
+	if (radeon_crtc->cursor_out_of_bounds)
+		return;
+
 	if (ASIC_IS_DCE4(rdev)) {
 		WREG32(RADEON_MM_INDEX, EVERGREEN_CUR_CONTROL + radeon_crtc->crtc_offset);
 		WREG32(RADEON_MM_DATA, EVERGREEN_CURSOR_EN |
@@ -124,21 +127,25 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
 	int xorigin = 0, yorigin = 0;
 	int w = radeon_crtc->cursor_width;
 
+	radeon_crtc->cursor_x = x;
+	radeon_crtc->cursor_y = y;
+
 	if (ASIC_IS_AVIVO(rdev)) {
 		/* avivo cursor are offset into the total surface */
 		x += crtc->x;
 		y += crtc->y;
 	}
-	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
 
-	if (x < 0) {
+	if (x < 0)
 		xorigin = min(-x, radeon_crtc->max_cursor_width - 1);
-		x = 0;
-	}
-	if (y < 0) {
+	if (y < 0)
 		yorigin = min(-y, radeon_crtc->max_cursor_height - 1);
-		y = 0;
+
+	if (!ASIC_IS_AVIVO(rdev)) {
+		x += crtc->x;
+		y += crtc->y;
 	}
+	DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
 
 	/* fixed on DCE6 and newer */
 	if (ASIC_IS_AVIVO(rdev) && !ASIC_IS_DCE6(rdev)) {
@@ -161,27 +168,31 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
 		if (i > 1) {
 			int cursor_end, frame_end;
 
-			cursor_end = x - xorigin + w;
+			cursor_end = x + w;
 			frame_end = crtc->x + crtc->mode.crtc_hdisplay;
 			if (cursor_end >= frame_end) {
 				w = w - (cursor_end - frame_end);
 				if (!(frame_end & 0x7f))
 					w--;
-			} else {
-				if (!(cursor_end & 0x7f))
-					w--;
+			} else if (cursor_end <= 0) {
+				goto out_of_bounds;
+			} else if (!(cursor_end & 0x7f)) {
+				w--;
 			}
 			if (w <= 0) {
-				w = 1;
-				cursor_end = x - xorigin + w;
-				if (!(cursor_end & 0x7f)) {
-					x--;
-					WARN_ON_ONCE(x < 0);
-				}
+				goto out_of_bounds;
 			}
 		}
 	}
 
+	if (x <= (crtc->x - w) || y <= (crtc->y - radeon_crtc->cursor_height) ||
+	    x >= (crtc->x + crtc->mode.crtc_hdisplay) ||
+	    y >= (crtc->y + crtc->mode.crtc_vdisplay))
+		goto out_of_bounds;
+
+	x += xorigin;
+	y += yorigin;
+
 	if (ASIC_IS_DCE4(rdev)) {
 		WREG32(EVERGREEN_CUR_POSITION + radeon_crtc->crtc_offset, (x << 16) | y);
 		WREG32(EVERGREEN_CUR_HOT_SPOT + radeon_crtc->crtc_offset, (xorigin << 16) | yorigin);
@@ -193,6 +204,9 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
 		WREG32(AVIVO_D1CUR_SIZE + radeon_crtc->crtc_offset,
 		       ((w - 1) << 16) | (radeon_crtc->cursor_height - 1));
 	} else {
+		x -= crtc->x;
+		y -= crtc->y;
+
 		if (crtc->mode.flags & DRM_MODE_FLAG_DBLSCAN)
 			y *= 2;
 
@@ -210,10 +224,20 @@ static int radeon_cursor_move_locked(struct drm_crtc *crtc, int x, int y)
 		       yorigin * 256);
 	}
 
-	radeon_crtc->cursor_x = x;
-	radeon_crtc->cursor_y = y;
+	if (radeon_crtc->cursor_out_of_bounds) {
+		radeon_crtc->cursor_out_of_bounds = false;
+		if (radeon_crtc->cursor_bo)
+			radeon_show_cursor(crtc);
+	}
 
 	return 0;
+
+ out_of_bounds:
+	if (!radeon_crtc->cursor_out_of_bounds) {
+		radeon_hide_cursor(crtc);
+		radeon_crtc->cursor_out_of_bounds = true;
+	}
+	return 0;
 }
 
 int radeon_crtc_cursor_move(struct drm_crtc *crtc,
@@ -306,22 +330,23 @@ int radeon_crtc_cursor_set2(struct drm_crtc *crtc,
 		return ret;
 	}
 
-	radeon_crtc->cursor_width = width;
-	radeon_crtc->cursor_height = height;
-
 	radeon_lock_cursor(crtc, true);
 
-	if (hot_x != radeon_crtc->cursor_hot_x ||
+	if (width != radeon_crtc->cursor_width ||
+	    height != radeon_crtc->cursor_height ||
+	    hot_x != radeon_crtc->cursor_hot_x ||
 	    hot_y != radeon_crtc->cursor_hot_y) {
 		int x, y;
 
 		x = radeon_crtc->cursor_x + radeon_crtc->cursor_hot_x - hot_x;
 		y = radeon_crtc->cursor_y + radeon_crtc->cursor_hot_y - hot_y;
 
-		radeon_cursor_move_locked(crtc, x, y);
-
+		radeon_crtc->cursor_width = width;
+		radeon_crtc->cursor_height = height;
 		radeon_crtc->cursor_hot_x = hot_x;
 		radeon_crtc->cursor_hot_y = hot_y;
+
+		radeon_cursor_move_locked(crtc, x, y);
 	}
 
 	radeon_set_cursor(crtc);
diff --git a/drivers/gpu/drm/radeon/radeon_mode.h b/drivers/gpu/drm/radeon/radeon_mode.h
index 43ba333949c7..3974e03bd82f 100644
--- a/drivers/gpu/drm/radeon/radeon_mode.h
+++ b/drivers/gpu/drm/radeon/radeon_mode.h
@@ -330,6 +330,7 @@ struct radeon_crtc {
 	u16 lut_r[256], lut_g[256], lut_b[256];
 	bool enabled;
 	bool can_tile;
+	bool cursor_out_of_bounds;
 	uint32_t crtc_offset;
 	struct drm_gem_object *cursor_bo;
 	uint64_t cursor_addr;
diff --git a/drivers/gpu/drm/radeon/si_dpm.c b/drivers/gpu/drm/radeon/si_dpm.c
index a808ba001ee7..a717da729fb8 100644
--- a/drivers/gpu/drm/radeon/si_dpm.c
+++ b/drivers/gpu/drm/radeon/si_dpm.c
@@ -2975,6 +2975,7 @@ static void si_apply_state_adjust_rules(struct radeon_device *rdev,
 		    (rdev->pdev->revision == 0x80) ||
 		    (rdev->pdev->revision == 0x81) ||
 		    (rdev->pdev->revision == 0x83) ||
+		    (rdev->pdev->revision == 0x87) ||
 		    (rdev->pdev->device == 0x6604) ||
 		    (rdev->pdev->device == 0x6605)) {
 			max_sclk = 75000;
diff --git a/drivers/infiniband/core/multicast.c b/drivers/infiniband/core/multicast.c
index fa17b552ff78..aab811d4c0e1 100644
--- a/drivers/infiniband/core/multicast.c
+++ b/drivers/infiniband/core/multicast.c
@@ -526,8 +526,11 @@ static void join_handler(int status, struct ib_sa_mcmember_rec *rec,
 		process_join_error(group, status);
 	else {
 		int mgids_changed, is_mgid0;
-		ib_find_pkey(group->port->dev->device, group->port->port_num,
-			     be16_to_cpu(rec->pkey), &pkey_index);
+
+		if (ib_find_pkey(group->port->dev->device,
+				 group->port->port_num, be16_to_cpu(rec->pkey),
+				 &pkey_index))
+			pkey_index = MCAST_INVALID_PKEY_INDEX;
 
 		spin_lock_irq(&group->port->lock);
 		if (group->state == MCAST_BUSY &&
diff --git a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
index 0d23e0568deb..b9705395b0aa 100644
--- a/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
+++ b/drivers/infiniband/ulp/ipoib/ipoib_multicast.c
@@ -522,8 +522,11 @@ void ipoib_mcast_join_task(struct work_struct *work)
 	if (!test_bit(IPOIB_FLAG_OPER_UP, &priv->flags))
 		return;
 
-	if (ib_query_port(priv->ca, priv->port, &port_attr) ||
-	    port_attr.state != IB_PORT_ACTIVE) {
+	if (ib_query_port(priv->ca, priv->port, &port_attr)) {
+		ipoib_dbg(priv, "ib_query_port() failed\n");
+		return;
+	}
+	if (port_attr.state != IB_PORT_ACTIVE) {
 		ipoib_dbg(priv, "port state is not ACTIVE (state = %d) suspending join task\n",
 			  port_attr.state);
 		return;
diff --git a/drivers/input/misc/drv260x.c b/drivers/input/misc/drv260x.c
index 599578042ea0..009f75d25268 100644
--- a/drivers/input/misc/drv260x.c
+++ b/drivers/input/misc/drv260x.c
@@ -597,7 +597,6 @@ static int drv260x_probe(struct i2c_client *client,
 	}
 
 	haptics->input_dev->name = "drv260x:haptics";
-	haptics->input_dev->dev.parent = client->dev.parent;
 	haptics->input_dev->close = drv260x_close;
 	input_set_drvdata(haptics->input_dev, haptics);
 	input_set_capability(haptics->input_dev, EV_FF, FF_RUMBLE);
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index ce507a405d05..ab16f33b743b 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -1482,12 +1482,15 @@ static int crypt_set_key(struct crypt_config *cc, char *key)
 	if (!cc->key_size && strcmp(key, "-"))
 		goto out;
 
+	/* clear the flag since following operations may invalidate previously valid key */
+	clear_bit(DM_CRYPT_KEY_VALID, &cc->flags);
+
 	if (cc->key_size && crypt_decode_key(cc->key, key, cc->key_size) < 0)
 		goto out;
 
-	set_bit(DM_CRYPT_KEY_VALID, &cc->flags);
-
 	r = crypt_setkey_allcpus(cc);
+	if (!r)
+		set_bit(DM_CRYPT_KEY_VALID, &cc->flags);
 
 out:
 	/* Hex key string not needed after here, so wipe it. */
diff --git a/drivers/md/persistent-data/dm-space-map-metadata.c b/drivers/md/persistent-data/dm-space-map-metadata.c
index 53091295fce9..4ca451e679a3 100644
--- a/drivers/md/persistent-data/dm-space-map-metadata.c
+++ b/drivers/md/persistent-data/dm-space-map-metadata.c
@@ -766,17 +766,15 @@ int dm_sm_metadata_create(struct dm_space_map *sm,
 	memcpy(&smm->sm, &bootstrap_ops, sizeof(smm->sm));
 
 	r = sm_ll_new_metadata(&smm->ll, tm);
+	if (!r) {
+		if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS)
+			nr_blocks = DM_SM_METADATA_MAX_BLOCKS;
+		r = sm_ll_extend(&smm->ll, nr_blocks);
+	}
+	memcpy(&smm->sm, &ops, sizeof(smm->sm));
 	if (r)
 		return r;
 
-	if (nr_blocks > DM_SM_METADATA_MAX_BLOCKS)
-		nr_blocks = DM_SM_METADATA_MAX_BLOCKS;
-	r = sm_ll_extend(&smm->ll, nr_blocks);
-	if (r)
-		return r;
-
-	memcpy(&smm->sm, &ops, sizeof(smm->sm));
-
 	/*
 	 * Now we need to update the newly created data structures with the
 	 * allocated blocks that they were built from.
diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c
index ef0a99a3a779..e6d689c0a175 100644
--- a/drivers/md/raid5.c
+++ b/drivers/md/raid5.c
@@ -6918,6 +6918,15 @@ static int run(struct mddev *mddev)
 			stripe = (stripe | (stripe-1)) + 1;
 		mddev->queue->limits.discard_alignment = stripe;
 		mddev->queue->limits.discard_granularity = stripe;
+
+		/*
+		 * We use 16-bit counter of active stripes in bi_phys_segments
+		 * (minus one for over-loaded initialization)
+		 */
+		blk_queue_max_hw_sectors(mddev->queue, 0xfffe * STRIPE_SECTORS);
+		blk_queue_max_discard_sectors(mddev->queue,
+					      0xfffe * STRIPE_SECTORS);
+
 		/*
 		 * unaligned part of discard request will be ignored, so can't
 		 * guarantee discard_zeroes_data
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 5eb23ae82def..fdc44c8200ba 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -2055,7 +2055,27 @@ static int sdhci_execute_tuning(struct mmc_host *mmc, u32 opcode)
 			ctrl &= ~SDHCI_CTRL_EXEC_TUNING;
 			sdhci_writew(host, ctrl, SDHCI_HOST_CONTROL2);
 
+			sdhci_do_reset(host, SDHCI_RESET_CMD);
+			sdhci_do_reset(host, SDHCI_RESET_DATA);
+
 			err = -EIO;
+
+			if (cmd.opcode != MMC_SEND_TUNING_BLOCK_HS200)
+				goto out;
+
+			sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
+			sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
+
+			spin_unlock_irqrestore(&host->lock, flags);
+
+			memset(&cmd, 0, sizeof(cmd));
+			cmd.opcode = MMC_STOP_TRANSMISSION;
+			cmd.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
+			cmd.busy_timeout = 50;
+			mmc_wait_for_cmd(mmc, &cmd, 0);
+
+			spin_lock_irqsave(&host->lock, flags);
+
 			goto out;
 		}
 
diff --git a/drivers/net/wireless/ath/ath9k/pci.c b/drivers/net/wireless/ath/ath9k/pci.c
index 7cdaf40c3057..ea7b8c25955f 100644
--- a/drivers/net/wireless/ath/ath9k/pci.c
+++ b/drivers/net/wireless/ath/ath9k/pci.c
@@ -27,7 +27,6 @@ static const struct pci_device_id ath_pci_id_table[] = {
 	{ PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
 	{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
 	{ PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
-	{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
 
 #ifdef CONFIG_ATH9K_PCOEM
 	/* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
@@ -38,7 +37,7 @@ static const struct pci_device_id ath_pci_id_table[] = {
 	  .driver_data = ATH9K_PCI_LED_ACT_HI },
 #endif
 
-	{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
+	{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
 
 #ifdef CONFIG_ATH9K_PCOEM
 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
@@ -86,7 +85,11 @@ static const struct pci_device_id ath_pci_id_table[] = {
 			 0x10CF, /* Fujitsu */
 			 0x1536),
 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
+#endif
 
+	{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
+
+#ifdef CONFIG_ATH9K_PCOEM
 	/* AR9285 card for Asus */
 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 			 0x002B,
diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
index 4e720ed402ef..66c12c8f968b 100644
--- a/drivers/pci/pci.c
+++ b/drivers/pci/pci.c
@@ -1993,6 +1993,10 @@ bool pci_dev_run_wake(struct pci_dev *dev)
 	if (!dev->pme_support)
 		return false;
 
+	/* PME-capable in principle, but not from the intended sleep state */
+	if (!pci_pme_capable(dev, pci_target_state(dev)))
+		return false;
+
 	while (bus->parent) {
 		struct pci_dev *bridge = bus->self;
 
diff --git a/drivers/regulator/stw481x-vmmc.c b/drivers/regulator/stw481x-vmmc.c
index 7d2ae3e9e942..342f5da79975 100644
--- a/drivers/regulator/stw481x-vmmc.c
+++ b/drivers/regulator/stw481x-vmmc.c
@@ -47,7 +47,8 @@ static struct regulator_desc vmmc_regulator = {
 	.volt_table = stw481x_vmmc_voltages,
 	.enable_time = 200, /* FIXME: look this up */
 	.enable_reg = STW_CONF1,
-	.enable_mask = STW_CONF1_PDN_VMMC,
+	.enable_mask = STW_CONF1_PDN_VMMC | STW_CONF1_MMC_LS_STATUS,
+	.enable_val = STW_CONF1_PDN_VMMC,
 	.vsel_reg = STW_CONF1,
 	.vsel_mask = STW_CONF1_VMMC_MASK,
 };
diff --git a/drivers/s390/char/vmlogrdr.c b/drivers/s390/char/vmlogrdr.c
index 9bb48d70957c..4d20f7298cb8 100644
--- a/drivers/s390/char/vmlogrdr.c
+++ b/drivers/s390/char/vmlogrdr.c
@@ -872,7 +872,7 @@ static int __init vmlogrdr_init(void)
 		goto cleanup;
 
 	for (i=0; i < MAXMINOR; ++i ) {
-		sys_ser[i].buffer = (char *) get_zeroed_page(GFP_KERNEL);
+		sys_ser[i].buffer = (char *) get_zeroed_page(GFP_KERNEL | GFP_DMA);
 		if (!sys_ser[i].buffer) {
 			rc = -ENOMEM;
 			break;
diff --git a/drivers/scsi/megaraid/megaraid_sas_fusion.c b/drivers/scsi/megaraid/megaraid_sas_fusion.c
index 5a0800d19970..bd6f71b97710 100644
--- a/drivers/scsi/megaraid/megaraid_sas_fusion.c
+++ b/drivers/scsi/megaraid/megaraid_sas_fusion.c
@@ -2490,6 +2490,7 @@ int megasas_wait_for_outstanding_fusion(struct megasas_instance *instance,
 		printk("megaraid_sas: pending commands remain after waiting, "
 		       "will reset adapter scsi%d.\n",
 		       instance->host->host_no);
+		*convert = 1;
 		retval = 1;
 	}
 out:
diff --git a/drivers/scsi/scsi_sysfs.c b/drivers/scsi/scsi_sysfs.c
index 9ad41168d26d..72699ac0a0c4 100644
--- a/drivers/scsi/scsi_sysfs.c
+++ b/drivers/scsi/scsi_sysfs.c
@@ -1005,10 +1005,6 @@ int scsi_sysfs_add_sdev(struct scsi_device *sdev)
 	struct request_queue *rq = sdev->request_queue;
 	struct scsi_target *starget = sdev->sdev_target;
 
-	error = scsi_device_set_state(sdev, SDEV_RUNNING);
-	if (error)
-		return error;
-
 	error = scsi_target_add(starget);
 	if (error)
 		return error;
diff --git a/drivers/scsi/sg.c b/drivers/scsi/sg.c
index ec192939750e..26bc4e9c7441 100644
--- a/drivers/scsi/sg.c
+++ b/drivers/scsi/sg.c
@@ -592,6 +592,9 @@ sg_write(struct file *filp, const char __user *buf, size_t count, loff_t * ppos)
 	sg_io_hdr_t *hp;
 	unsigned char cmnd[SG_MAX_CDB_SIZE];
 
+	if (unlikely(segment_eq(get_fs(), KERNEL_DS)))
+		return -EINVAL;
+
 	if ((!(sfp = (Sg_fd *) filp->private_data)) || (!(sdp = sfp->parentdp)))
 		return -ENXIO;
 	SCSI_LOG_TIMEOUT(3, sg_printk(KERN_INFO, sdp,
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 0f28c08fcb3c..77b551da5728 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -909,6 +909,7 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
 			if (err) {
 				ssb_warn("WARNING: Using fallback SPROM failed (err %d)\n",
 					 err);
+				goto out_free;
 			} else {
 				ssb_dbg("Using SPROM revision %d provided by platform\n",
 					sprom->revision);
diff --git a/drivers/staging/comedi/drivers/ni_mio_common.c b/drivers/staging/comedi/drivers/ni_mio_common.c
index 4b8da862cd7e..f7bcefd46b5e 100644
--- a/drivers/staging/comedi/drivers/ni_mio_common.c
+++ b/drivers/staging/comedi/drivers/ni_mio_common.c
@@ -2079,7 +2079,7 @@ static int ni_ai_insn_read(struct comedi_device *dev,
 			   unsigned int *data)
 {
 	struct ni_private *devpriv = dev->private;
-	unsigned int mask = (s->maxdata + 1) >> 1;
+	unsigned int mask = s->maxdata;
 	int i, n;
 	unsigned signbits;
 	unsigned int d;
diff --git a/drivers/target/target_core_user.c b/drivers/target/target_core_user.c
index 07d2996d8c1f..39e8f22be68b 100644
--- a/drivers/target/target_core_user.c
+++ b/drivers/target/target_core_user.c
@@ -605,8 +605,6 @@ static int tcmu_check_expired_cmd(int id, void *p, void *data)
 	target_complete_cmd(cmd->se_cmd, SAM_STAT_CHECK_CONDITION);
 	cmd->se_cmd = NULL;
 
-	kmem_cache_free(tcmu_cmd_cache, cmd);
-
 	return 0;
 }
 
diff --git a/drivers/thermal/thermal_hwmon.c b/drivers/thermal/thermal_hwmon.c
index 1967bee4f076..9035fbc5e98d 100644
--- a/drivers/thermal/thermal_hwmon.c
+++ b/drivers/thermal/thermal_hwmon.c
@@ -98,7 +98,7 @@ temp_crit_show(struct device *dev, struct device_attribute *attr, char *buf)
 	long temperature;
 	int ret;
 
-	ret = tz->ops->get_trip_temp(tz, 0, &temperature);
+	ret = tz->ops->get_crit_temp(tz, &temperature);
 	if (ret)
 		return ret;
 
diff --git a/drivers/usb/class/cdc-acm.c b/drivers/usb/class/cdc-acm.c
index 41dcefe67b43..84532dc93801 100644
--- a/drivers/usb/class/cdc-acm.c
+++ b/drivers/usb/class/cdc-acm.c
@@ -1720,6 +1720,7 @@ static const struct usb_device_id acm_ids[] = {
 	{ USB_DEVICE(0x20df, 0x0001), /* Simtec Electronics Entropy Key */
 	.driver_info = QUIRK_CONTROL_LINE_STATE, },
 	{ USB_DEVICE(0x2184, 0x001c) },	/* GW Instek AFG-2225 */
+	{ USB_DEVICE(0x2184, 0x0036) },	/* GW Instek AFG-125 */
 	{ USB_DEVICE(0x22b8, 0x6425), /* Motorola MOTOMAGX phones */
 	},
 	/* Motorola H24 HSPA module: */
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index c98f78b0bf11..7602eceb5403 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -101,6 +101,8 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem);
 
 static void hub_release(struct kref *kref);
 static int usb_reset_and_verify_device(struct usb_device *udev);
+static void hub_usb3_port_prepare_disable(struct usb_hub *hub,
+					  struct usb_port *port_dev);
 
 static inline char *portspeed(struct usb_hub *hub, int portstatus)
 {
@@ -882,82 +884,28 @@ static int hub_set_port_link_state(struct usb_hub *hub, int port1,
 }
 
 /*
- * If USB 3.0 ports are placed into the Disabled state, they will no longer
- * detect any device connects or disconnects.  This is generally not what the
- * USB core wants, since it expects a disabled port to produce a port status
- * change event when a new device connects.
- *
- * Instead, set the link state to Disabled, wait for the link to settle into
- * that state, clear any change bits, and then put the port into the RxDetect
- * state.
+ * USB-3 does not have a similar link state as USB-2 that will avoid negotiating
+ * a connection with a plugged-in cable but will signal the host when the cable
+ * is unplugged. Disable remote wake and set link state to U3 for USB-3 devices
  */
-static int hub_usb3_port_disable(struct usb_hub *hub, int port1)
-{
-	int ret;
-	int total_time;
-	u16 portchange, portstatus;
-
-	if (!hub_is_superspeed(hub->hdev))
-		return -EINVAL;
-
-	ret = hub_port_status(hub, port1, &portstatus, &portchange);
-	if (ret < 0)
-		return ret;
-
-	/*
-	 * USB controller Advanced Micro Devices, Inc. [AMD] FCH USB XHCI
-	 * Controller [1022:7814] will have spurious result making the following
-	 * usb 3.0 device hotplugging route to the 2.0 root hub and recognized
-	 * as high-speed device if we set the usb 3.0 port link state to
-	 * Disabled. Since it's already in USB_SS_PORT_LS_RX_DETECT state, we
-	 * check the state here to avoid the bug.
-	 */
-	if ((portstatus & USB_PORT_STAT_LINK_STATE) ==
-				USB_SS_PORT_LS_RX_DETECT) {
-		dev_dbg(&hub->ports[port1 - 1]->dev,
-			 "Not disabling port; link state is RxDetect\n");
-		return ret;
-	}
-
-	ret = hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_SS_DISABLED);
-	if (ret)
-		return ret;
-
-	/* Wait for the link to enter the disabled state. */
-	for (total_time = 0; ; total_time += HUB_DEBOUNCE_STEP) {
-		ret = hub_port_status(hub, port1, &portstatus, &portchange);
-		if (ret < 0)
-			return ret;
-
-		if ((portstatus & USB_PORT_STAT_LINK_STATE) ==
-				USB_SS_PORT_LS_SS_DISABLED)
-			break;
-		if (total_time >= HUB_DEBOUNCE_TIMEOUT)
-			break;
-		msleep(HUB_DEBOUNCE_STEP);
-	}
-	if (total_time >= HUB_DEBOUNCE_TIMEOUT)
-		dev_warn(&hub->ports[port1 - 1]->dev,
-				"Could not disable after %d ms\n", total_time);
-
-	return hub_set_port_link_state(hub, port1, USB_SS_PORT_LS_RX_DETECT);
-}
-
 static int hub_port_disable(struct usb_hub *hub, int port1, int set_state)
 {
 	struct usb_port *port_dev = hub->ports[port1 - 1];
 	struct usb_device *hdev = hub->hdev;
 	int ret = 0;
 
-	if (port_dev->child && set_state)
-		usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED);
 	if (!hub->error) {
-		if (hub_is_superspeed(hub->hdev))
-			ret = hub_usb3_port_disable(hub, port1);
-		else
+		if (hub_is_superspeed(hub->hdev)) {
+			hub_usb3_port_prepare_disable(hub, port_dev);
+			ret = hub_set_port_link_state(hub, port_dev->portnum,
+						      USB_SS_PORT_LS_U3);
+		} else {
 			ret = usb_clear_port_feature(hdev, port1,
 					USB_PORT_FEAT_ENABLE);
+		}
 	}
+	if (port_dev->child && set_state)
+		usb_set_device_state(port_dev->child, USB_STATE_NOTATTACHED);
 	if (ret && ret != -ENODEV)
 		dev_err(&port_dev->dev, "cannot disable (err = %d)\n", ret);
 	return ret;
@@ -4036,6 +3984,26 @@ void usb_unlocked_enable_lpm(struct usb_device *udev)
 }
 EXPORT_SYMBOL_GPL(usb_unlocked_enable_lpm);
 
+/* usb3 devices use U3 for disabled, make sure remote wakeup is disabled */
+static void hub_usb3_port_prepare_disable(struct usb_hub *hub,
+					  struct usb_port *port_dev)
+{
+	struct usb_device *udev = port_dev->child;
+	int ret;
+
+	if (udev && udev->port_is_suspended && udev->do_remote_wakeup) {
+		ret = hub_set_port_link_state(hub, port_dev->portnum,
+					      USB_SS_PORT_LS_U0);
+		if (!ret) {
+			msleep(USB_RESUME_TIMEOUT);
+			ret = usb_disable_remote_wakeup(udev);
+		}
+		if (ret)
+			dev_warn(&udev->dev,
+				 "Port disable: can't disable remote wake\n");
+		udev->do_remote_wakeup = 0;
+	}
+}
 
 #else	/* CONFIG_PM */
 
@@ -4043,6 +4011,9 @@ EXPORT_SYMBOL_GPL(usb_unlocked_enable_lpm);
 #define hub_resume		NULL
 #define hub_reset_resume	NULL
 
+static inline void hub_usb3_port_prepare_disable(struct usb_hub *hub,
+						 struct usb_port *port_dev) { }
+
 int usb_disable_lpm(struct usb_device *udev)
 {
 	return 0;
diff --git a/drivers/usb/gadget/composite.c b/drivers/usb/gadget/composite.c
index 58b4657fc721..9cd76cc8c0d9 100644
--- a/drivers/usb/gadget/composite.c
+++ b/drivers/usb/gadget/composite.c
@@ -143,7 +143,7 @@ int config_ep_by_speed(struct usb_gadget *g,
 
 ep_found:
 	/* commit results */
-	_ep->maxpacket = usb_endpoint_maxp(chosen_desc);
+	_ep->maxpacket = usb_endpoint_maxp(chosen_desc) & 0x7ff;
 	_ep->desc = chosen_desc;
 	_ep->comp_desc = NULL;
 	_ep->maxburst = 0;
diff --git a/drivers/usb/host/uhci-pci.c b/drivers/usb/host/uhci-pci.c
index 940304c33224..02260cfdedb1 100644
--- a/drivers/usb/host/uhci-pci.c
+++ b/drivers/usb/host/uhci-pci.c
@@ -129,6 +129,10 @@ static int uhci_pci_init(struct usb_hcd *hcd)
 	if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_HP)
 		uhci->wait_for_hp = 1;
 
+	/* Intel controllers use non-PME wakeup signalling */
+	if (to_pci_dev(uhci_dev(uhci))->vendor == PCI_VENDOR_ID_INTEL)
+		device_set_run_wake(uhci_dev(uhci), 1);
+
 	/* Set up pointers to PCI-specific functions */
 	uhci->reset_hc = uhci_pci_reset_hc;
 	uhci->check_and_reset_hc = uhci_pci_check_and_reset_hc;
diff --git a/drivers/usb/serial/kl5kusb105.c b/drivers/usb/serial/kl5kusb105.c
index e020ad28a00c..53c90131764d 100644
--- a/drivers/usb/serial/kl5kusb105.c
+++ b/drivers/usb/serial/kl5kusb105.c
@@ -296,7 +296,7 @@ static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
 	rc = usb_serial_generic_open(tty, port);
 	if (rc) {
 		retval = rc;
-		goto exit;
+		goto err_free_cfg;
 	}
 
 	rc = usb_control_msg(port->serial->dev,
@@ -315,17 +315,32 @@ static int  klsi_105_open(struct tty_struct *tty, struct usb_serial_port *port)
 		dev_dbg(&port->dev, "%s - enabled reading\n", __func__);
 
 	rc = klsi_105_get_line_state(port, &line_state);
-	if (rc >= 0) {
-		spin_lock_irqsave(&priv->lock, flags);
-		priv->line_state = line_state;
-		spin_unlock_irqrestore(&priv->lock, flags);
-		dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__, line_state);
-		retval = 0;
-	} else
+	if (rc < 0) {
 		retval = rc;
+		goto err_disable_read;
+	}
+
+	spin_lock_irqsave(&priv->lock, flags);
+	priv->line_state = line_state;
+	spin_unlock_irqrestore(&priv->lock, flags);
+	dev_dbg(&port->dev, "%s - read line state 0x%lx\n", __func__,
+			line_state);
+
+	return 0;
 
-exit:
+err_disable_read:
+	usb_control_msg(port->serial->dev,
+			     usb_sndctrlpipe(port->serial->dev, 0),
+			     KL5KUSB105A_SIO_CONFIGURE,
+			     USB_TYPE_VENDOR | USB_DIR_OUT,
+			     KL5KUSB105A_SIO_CONFIGURE_READ_OFF,
+			     0, /* index */
+			     NULL, 0,
+			     KLSI_TIMEOUT);
+	usb_serial_generic_close(port);
+err_free_cfg:
 	kfree(cfg);
+
 	return retval;
 }
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index a599e8a841b0..248dac170f39 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -271,6 +271,8 @@ static void option_instat_callback(struct urb *urb);
 #define TELIT_PRODUCT_CC864_SINGLE		0x1006
 #define TELIT_PRODUCT_DE910_DUAL		0x1010
 #define TELIT_PRODUCT_UE910_V2			0x1012
+#define TELIT_PRODUCT_LE922_USBCFG1		0x1040
+#define TELIT_PRODUCT_LE922_USBCFG2		0x1041
 #define TELIT_PRODUCT_LE922_USBCFG0		0x1042
 #define TELIT_PRODUCT_LE922_USBCFG3		0x1043
 #define TELIT_PRODUCT_LE922_USBCFG5		0x1045
@@ -1222,6 +1224,10 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UE910_V2) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG0),
 		.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg0 },
+	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG1),
+		.driver_info = (kernel_ulong_t)&telit_le910_blacklist },
+	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG2),
+		.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG3),
 		.driver_info = (kernel_ulong_t)&telit_le922_blacklist_usbcfg3 },
 	{ USB_DEVICE_INTERFACE_CLASS(TELIT_VENDOR_ID, TELIT_PRODUCT_LE922_USBCFG5, 0xff),
@@ -2001,6 +2007,7 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d02, 0xff, 0x00, 0x00) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x02, 0x01) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x2001, 0x7d03, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7d04, 0xff) },			/* D-Link DWM-158 */
 	{ USB_DEVICE_INTERFACE_CLASS(0x2001, 0x7e19, 0xff),			/* D-Link DWM-221 B1 */
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(0x07d1, 0x3e01, 0xff, 0xff, 0xff) }, /* D-Link DWM-152/C1 */
diff --git a/drivers/xen/gntdev.c b/drivers/xen/gntdev.c
index ee71baddbb10..e227eb09b1a0 100644
--- a/drivers/xen/gntdev.c
+++ b/drivers/xen/gntdev.c
@@ -804,7 +804,7 @@ static int gntdev_mmap(struct file *flip, struct vm_area_struct *vma)
 
 	vma->vm_ops = &gntdev_vmops;
 
-	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_IO;
+	vma->vm_flags |= VM_DONTEXPAND | VM_DONTDUMP | VM_MIXEDMAP;
 
 	if (use_ptemod)
 		vma->vm_flags |= VM_DONTCOPY;
diff --git a/fs/block_dev.c b/fs/block_dev.c
index ccfd31f1df3a..300566ea9b74 100644
--- a/fs/block_dev.c
+++ b/fs/block_dev.c
@@ -729,7 +729,7 @@ static bool bd_may_claim(struct block_device *bdev, struct block_device *whole,
 		return true;	 /* already a holder */
 	else if (bdev->bd_holder != NULL)
 		return false; 	 /* held by someone else */
-	else if (bdev->bd_contains == bdev)
+	else if (whole == bdev)
 		return true;  	 /* is a whole device which isn't held */
 
 	else if (whole->bd_holder == bd_may_claim)
@@ -1772,6 +1772,7 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
 	spin_lock(&inode_sb_list_lock);
 	list_for_each_entry(inode, &blockdev_superblock->s_inodes, i_sb_list) {
 		struct address_space *mapping = inode->i_mapping;
+		struct block_device *bdev;
 
 		spin_lock(&inode->i_lock);
 		if (inode->i_state & (I_FREEING|I_WILL_FREE|I_NEW) ||
@@ -1792,8 +1793,12 @@ void iterate_bdevs(void (*func)(struct block_device *, void *), void *arg)
 		 */
 		iput(old_inode);
 		old_inode = inode;
+		bdev = I_BDEV(inode);
 
-		func(I_BDEV(inode), arg);
+		mutex_lock(&bdev->bd_mutex);
+		if (bdev->bd_openers)
+			func(bdev, arg);
+		mutex_unlock(&bdev->bd_mutex);
 
 		spin_lock(&inode_sb_list_lock);
 	}
diff --git a/fs/btrfs/async-thread.c b/fs/btrfs/async-thread.c
index 1848705506ff..0ce4de6430ef 100644
--- a/fs/btrfs/async-thread.c
+++ b/fs/btrfs/async-thread.c
@@ -64,6 +64,20 @@ void btrfs_##name(struct work_struct *arg)				\
 	normal_work_helper(work);					\
 }
 
+bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq)
+{
+	/*
+	 * We could compare wq->normal->pending with num_online_cpus()
+	 * to support "thresh == NO_THRESHOLD" case, but it requires
+	 * moving up atomic_inc/dec in thresh_queue/exec_hook. Let's
+	 * postpone it until someone needs the support of that case.
+	 */
+	if (wq->normal->thresh == NO_THRESHOLD)
+		return false;
+
+	return atomic_read(&wq->normal->pending) > wq->normal->thresh * 2;
+}
+
 BTRFS_WORK_HELPER(worker_helper);
 BTRFS_WORK_HELPER(delalloc_helper);
 BTRFS_WORK_HELPER(flush_delalloc_helper);
diff --git a/fs/btrfs/async-thread.h b/fs/btrfs/async-thread.h
index ec2ee477f8ba..8c4564204f25 100644
--- a/fs/btrfs/async-thread.h
+++ b/fs/btrfs/async-thread.h
@@ -78,4 +78,5 @@ void btrfs_queue_work(struct btrfs_workqueue *wq,
 void btrfs_destroy_workqueue(struct btrfs_workqueue *wq);
 void btrfs_workqueue_set_max(struct btrfs_workqueue *wq, int max);
 void btrfs_set_work_high_priority(struct btrfs_work *work);
+bool btrfs_workqueue_normal_congested(struct btrfs_workqueue *wq);
 #endif
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index bc2d048a9eb9..8265b0754dca 100644
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1371,7 +1371,8 @@ release_path:
 	total_done++;
 
 	btrfs_release_prepared_delayed_node(delayed_node);
-	if (async_work->nr == 0 || total_done < async_work->nr)
+	if ((async_work->nr == 0 && total_done < BTRFS_DELAYED_WRITEBACK) ||
+	    total_done < async_work->nr)
 		goto again;
 
 free_path:
@@ -1387,7 +1388,8 @@ static int btrfs_wq_run_delayed_node(struct btrfs_delayed_root *delayed_root,
 {
 	struct btrfs_async_delayed_work *async_work;
 
-	if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND)
+	if (atomic_read(&delayed_root->items) < BTRFS_DELAYED_BACKGROUND ||
+	    btrfs_workqueue_normal_congested(fs_info->delayed_workers))
 		return 0;
 
 	async_work = kmalloc(sizeof(*async_work), GFP_NOFS);
diff --git a/fs/btrfs/tree-log.c b/fs/btrfs/tree-log.c
index 32ecb95f6214..6ee954c62fe6 100644
--- a/fs/btrfs/tree-log.c
+++ b/fs/btrfs/tree-log.c
@@ -1821,12 +1821,11 @@ static noinline int find_dir_range(struct btrfs_root *root,
 next:
 	/* check the next slot in the tree to see if it is a valid item */
 	nritems = btrfs_header_nritems(path->nodes[0]);
+	path->slots[0]++;
 	if (path->slots[0] >= nritems) {
 		ret = btrfs_next_leaf(root, path);
 		if (ret)
 			goto out;
-	} else {
-		path->slots[0]++;
 	}
 
 	btrfs_item_key_to_cpu(path->nodes[0], &key, path->slots[0]);
@@ -4984,6 +4983,7 @@ process_leaf:
 			if (di_key.type == BTRFS_ROOT_ITEM_KEY)
 				continue;
 
+			btrfs_release_path(path);
 			di_inode = btrfs_iget(root->fs_info->sb, &di_key,
 					      root, NULL);
 			if (IS_ERR(di_inode)) {
@@ -4993,13 +4993,12 @@ process_leaf:
 
 			if (btrfs_inode_in_log(di_inode, trans->transid)) {
 				iput(di_inode);
-				continue;
+				break;
 			}
 
 			ctx->log_new_dentries = false;
 			if (type == BTRFS_FT_DIR)
 				log_mode = LOG_INODE_ALL;
-			btrfs_release_path(path);
 			ret = btrfs_log_inode(trans, root, di_inode,
 					      log_mode, 0, LLONG_MAX, ctx);
 			iput(di_inode);
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 22b289a3b1c4..9d0e4fef8ee1 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -615,6 +615,8 @@ struct TCP_Server_Info {
 #ifdef CONFIG_CIFS_SMB2
 	unsigned int	max_read;
 	unsigned int	max_write;
+	struct delayed_work reconnect; /* reconnect workqueue job */
+	struct mutex reconnect_mutex; /* prevent simultaneous reconnects */
 #endif /* CONFIG_CIFS_SMB2 */
 };
 
@@ -814,6 +816,7 @@ cap_unix(struct cifs_ses *ses)
 struct cifs_tcon {
 	struct list_head tcon_list;
 	int tc_count;
+	struct list_head rlist; /* reconnect list */
 	struct list_head openFileList;
 	struct cifs_ses *ses;	/* pointer to session associated with */
 	char treeName[MAX_TREE_SIZE + 1]; /* UNC name of resource in ASCII */
diff --git a/fs/cifs/cifsproto.h b/fs/cifs/cifsproto.h
index f730c065df34..5ee60b50d8eb 100644
--- a/fs/cifs/cifsproto.h
+++ b/fs/cifs/cifsproto.h
@@ -207,6 +207,9 @@ extern void cifs_add_pending_open_locked(struct cifs_fid *fid,
 					 struct tcon_link *tlink,
 					 struct cifs_pending_open *open);
 extern void cifs_del_pending_open(struct cifs_pending_open *open);
+extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
+				 int from_reconnect);
+extern void cifs_put_tcon(struct cifs_tcon *tcon);
 
 #if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL)
 extern void cifs_dfs_release_automount_timer(void);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index cd9d50e4f5f4..7d7bd466520b 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -52,6 +52,9 @@
 #include "nterr.h"
 #include "rfc1002pdu.h"
 #include "fscache.h"
+#ifdef CONFIG_CIFS_SMB2
+#include "smb2proto.h"
+#endif
 
 #define CIFS_PORT 445
 #define RFC1001_PORT 139
@@ -2069,8 +2072,8 @@ cifs_find_tcp_session(struct smb_vol *vol)
 	return NULL;
 }
 
-static void
-cifs_put_tcp_session(struct TCP_Server_Info *server)
+void
+cifs_put_tcp_session(struct TCP_Server_Info *server, int from_reconnect)
 {
 	struct task_struct *task;
 
@@ -2087,6 +2090,19 @@ cifs_put_tcp_session(struct TCP_Server_Info *server)
 
 	cancel_delayed_work_sync(&server->echo);
 
+#ifdef CONFIG_CIFS_SMB2
+	if (from_reconnect)
+		/*
+		 * Avoid deadlock here: reconnect work calls
+		 * cifs_put_tcp_session() at its end. Need to be sure
+		 * that reconnect work does nothing with server pointer after
+		 * that step.
+		 */
+		cancel_delayed_work(&server->reconnect);
+	else
+		cancel_delayed_work_sync(&server->reconnect);
+#endif
+
 	spin_lock(&GlobalMid_Lock);
 	server->tcpStatus = CifsExiting;
 	spin_unlock(&GlobalMid_Lock);
@@ -2151,6 +2167,10 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
 	INIT_LIST_HEAD(&tcp_ses->tcp_ses_list);
 	INIT_LIST_HEAD(&tcp_ses->smb_ses_list);
 	INIT_DELAYED_WORK(&tcp_ses->echo, cifs_echo_request);
+#ifdef CONFIG_CIFS_SMB2
+	INIT_DELAYED_WORK(&tcp_ses->reconnect, smb2_reconnect_server);
+	mutex_init(&tcp_ses->reconnect_mutex);
+#endif
 	memcpy(&tcp_ses->srcaddr, &volume_info->srcaddr,
 	       sizeof(tcp_ses->srcaddr));
 	memcpy(&tcp_ses->dstaddr, &volume_info->dstaddr,
@@ -2303,7 +2323,7 @@ cifs_put_smb_ses(struct cifs_ses *ses)
 	spin_unlock(&cifs_tcp_ses_lock);
 
 	sesInfoFree(ses);
-	cifs_put_tcp_session(server);
+	cifs_put_tcp_session(server, 0);
 }
 
 #ifdef CONFIG_KEYS
@@ -2476,7 +2496,7 @@ cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info)
 		mutex_unlock(&ses->session_mutex);
 
 		/* existing SMB ses has a server reference already */
-		cifs_put_tcp_session(server);
+		cifs_put_tcp_session(server, 0);
 		free_xid(xid);
 		return ses;
 	}
@@ -2566,7 +2586,7 @@ cifs_find_tcon(struct cifs_ses *ses, const char *unc)
 	return NULL;
 }
 
-static void
+void
 cifs_put_tcon(struct cifs_tcon *tcon)
 {
 	unsigned int xid;
@@ -3673,7 +3693,7 @@ mount_fail_check:
 		else if (ses)
 			cifs_put_smb_ses(ses);
 		else
-			cifs_put_tcp_session(server);
+			cifs_put_tcp_session(server, 0);
 		bdi_destroy(&cifs_sb->bdi);
 	}
 
@@ -3984,7 +4004,7 @@ cifs_construct_tcon(struct cifs_sb_info *cifs_sb, kuid_t fsuid)
 	ses = cifs_get_smb_ses(master_tcon->ses->server, vol_info);
 	if (IS_ERR(ses)) {
 		tcon = (struct cifs_tcon *)ses;
-		cifs_put_tcp_session(master_tcon->ses->server);
+		cifs_put_tcp_session(master_tcon->ses->server, 0);
 		goto out;
 	}
 
diff --git a/fs/cifs/smb2file.c b/fs/cifs/smb2file.c
index 2ab297dae5a7..1bdfd7c5309c 100644
--- a/fs/cifs/smb2file.c
+++ b/fs/cifs/smb2file.c
@@ -241,7 +241,7 @@ smb2_push_mandatory_locks(struct cifsFileInfo *cfile)
 	 * and check it for zero before using.
 	 */
 	max_buf = tlink_tcon(cfile->tlink)->ses->server->maxBuf;
-	if (!max_buf) {
+	if (max_buf < sizeof(struct smb2_lock_element)) {
 		free_xid(xid);
 		return -EINVAL;
 	}
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 8f527c867f78..e3cf4a5fb35a 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -264,7 +264,7 @@ out:
 	case SMB2_CHANGE_NOTIFY:
 	case SMB2_QUERY_INFO:
 	case SMB2_SET_INFO:
-		return -EAGAIN;
+		rc = -EAGAIN;
 	}
 	unload_nls(nls_codepage);
 	return rc;
@@ -1615,6 +1615,54 @@ smb2_echo_callback(struct mid_q_entry *mid)
 	add_credits(server, credits_received, CIFS_ECHO_OP);
 }
 
+void smb2_reconnect_server(struct work_struct *work)
+{
+	struct TCP_Server_Info *server = container_of(work,
+					struct TCP_Server_Info, reconnect.work);
+	struct cifs_ses *ses;
+	struct cifs_tcon *tcon, *tcon2;
+	struct list_head tmp_list;
+	int tcon_exist = false;
+
+	/* Prevent simultaneous reconnects that can corrupt tcon->rlist list */
+	mutex_lock(&server->reconnect_mutex);
+
+	INIT_LIST_HEAD(&tmp_list);
+	cifs_dbg(FYI, "Need negotiate, reconnecting tcons\n");
+
+	spin_lock(&cifs_tcp_ses_lock);
+	list_for_each_entry(ses, &server->smb_ses_list, smb_ses_list) {
+		list_for_each_entry(tcon, &ses->tcon_list, tcon_list) {
+			if (tcon->need_reconnect) {
+				tcon->tc_count++;
+				list_add_tail(&tcon->rlist, &tmp_list);
+				tcon_exist = true;
+			}
+		}
+	}
+	/*
+	 * Get the reference to server struct to be sure that the last call of
+	 * cifs_put_tcon() in the loop below won't release the server pointer.
+	 */
+	if (tcon_exist)
+		server->srv_count++;
+
+	spin_unlock(&cifs_tcp_ses_lock);
+
+	list_for_each_entry_safe(tcon, tcon2, &tmp_list, rlist) {
+		smb2_reconnect(SMB2_ECHO, tcon);
+		list_del_init(&tcon->rlist);
+		cifs_put_tcon(tcon);
+	}
+
+	cifs_dbg(FYI, "Reconnecting tcons finished\n");
+	mutex_unlock(&server->reconnect_mutex);
+
+	/* now we can safely release srv struct */
+	if (tcon_exist)
+		cifs_put_tcp_session(server, 1);
+}
+
 int
 SMB2_echo(struct TCP_Server_Info *server)
 {
@@ -1627,32 +1675,11 @@ SMB2_echo(struct TCP_Server_Info *server)
 	cifs_dbg(FYI, "In echo request\n");
 
 	if (server->tcpStatus == CifsNeedNegotiate) {
-		struct list_head *tmp, *tmp2;
-		struct cifs_ses *ses;
-		struct cifs_tcon *tcon;
-
-		cifs_dbg(FYI, "Need negotiate, reconnecting tcons\n");
-		spin_lock(&cifs_tcp_ses_lock);
-		list_for_each(tmp, &server->smb_ses_list) {
-			ses = list_entry(tmp, struct cifs_ses, smb_ses_list);
-			list_for_each(tmp2, &ses->tcon_list) {
-				tcon = list_entry(tmp2, struct cifs_tcon,
-						  tcon_list);
-				/* add check for persistent handle reconnect */
-				if (tcon && tcon->need_reconnect) {
-					spin_unlock(&cifs_tcp_ses_lock);
-					rc = smb2_reconnect(SMB2_ECHO, tcon);
-					spin_lock(&cifs_tcp_ses_lock);
-				}
-			}
-		}
-		spin_unlock(&cifs_tcp_ses_lock);
+		/* No need to send echo on newly established connections */
+		queue_delayed_work(cifsiod_wq, &server->reconnect, 0);
+		return rc;
 	}
 
-	/* if no session, renegotiate failed above */
-	if (server->tcpStatus == CifsNeedNegotiate)
-		return -EIO;
-
 	rc = small_smb2_init(SMB2_ECHO, NULL, (void **)&req);
 	if (rc)
 		return rc;
diff --git a/fs/cifs/smb2proto.h b/fs/cifs/smb2proto.h
index 9bc59f9c12fb..0a406ae78129 100644
--- a/fs/cifs/smb2proto.h
+++ b/fs/cifs/smb2proto.h
@@ -95,6 +95,7 @@ extern int smb2_open_file(const unsigned int xid,
 extern int smb2_unlock_range(struct cifsFileInfo *cfile,
 			     struct file_lock *flock, const unsigned int xid);
 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
+extern void smb2_reconnect_server(struct work_struct *work);
 
 /*
  * SMB2 Worker functions - most of protocol specific implementation details
diff --git a/fs/exec.c b/fs/exec.c
index 1977c2a553ac..d392c8ad0de0 100644
--- a/fs/exec.c
+++ b/fs/exec.c
@@ -19,7 +19,7 @@
  * current->executable is only used by the procfs.  This allows a dispatch
  * table to check for several different types  of binary formats.  We keep
  * trying until we recognize the file or we run out of supported binary
- * formats. 
+ * formats.
  */
 
 #include <linux/slab.h>
@@ -1108,6 +1108,13 @@ int flush_old_exec(struct linux_binprm * bprm)
 	flush_thread();
 	current->personality &= ~bprm->per_clear;
 
+	/*
+	 * We have to apply CLOEXEC before we change whether the process is
+	 * dumpable (in setup_new_exec) to avoid a race with a process in userspace
+	 * trying to access the should-be-closed file descriptors of a process
+	 * undergoing exec(2).
+	 */
+	do_close_on_exec(current->files);
 	return 0;
 
 out:
@@ -1157,7 +1164,6 @@ void setup_new_exec(struct linux_binprm * bprm)
 	   group */
 	current->self_exec_id++;
 	flush_signal_handlers(current, 0);
-	do_close_on_exec(current->files);
 }
 EXPORT_SYMBOL(setup_new_exec);
 
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 145d6ba4117d..df67a6f8582a 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -224,6 +224,7 @@ struct ext4_io_submit {
 #define	EXT4_MAX_BLOCK_SIZE		65536
 #define EXT4_MIN_BLOCK_LOG_SIZE		10
 #define EXT4_MAX_BLOCK_LOG_SIZE		16
+#define EXT4_MAX_CLUSTER_LOG_SIZE	30
 #ifdef __KERNEL__
 # define EXT4_BLOCK_SIZE(s)		((s)->s_blocksize)
 #else
diff --git a/fs/ext4/inline.c b/fs/ext4/inline.c
index 095c7a258d97..d77d542c2ed5 100644
--- a/fs/ext4/inline.c
+++ b/fs/ext4/inline.c
@@ -336,8 +336,10 @@ static int ext4_update_inline_data(handle_t *handle, struct inode *inode,
 
 	len -= EXT4_MIN_INLINE_DATA_SIZE;
 	value = kzalloc(len, GFP_NOFS);
-	if (!value)
+	if (!value) {
+		error = -ENOMEM;
 		goto out;
+	}
 
 	error = ext4_xattr_ibody_get(inode, i.name_index, i.name,
 				     value, len);
diff --git a/fs/ext4/mballoc.c b/fs/ext4/mballoc.c
index 5b58e266892b..e6798ca34928 100644
--- a/fs/ext4/mballoc.c
+++ b/fs/ext4/mballoc.c
@@ -668,7 +668,7 @@ static void ext4_mb_mark_free_simple(struct super_block *sb,
 	ext4_grpblk_t min;
 	ext4_grpblk_t max;
 	ext4_grpblk_t chunk;
-	unsigned short border;
+	unsigned int border;
 
 	BUG_ON(len > EXT4_CLUSTERS_PER_GROUP(sb));
 
@@ -2254,7 +2254,7 @@ static int ext4_mb_seq_groups_show(struct seq_file *seq, void *v)
 	struct ext4_group_info *grinfo;
 	struct sg {
 		struct ext4_group_info info;
-		ext4_grpblk_t counters[16];
+		ext4_grpblk_t counters[EXT4_MAX_BLOCK_LOG_SIZE + 2];
 	} sg;
 
 	group--;
diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index 4723d8b02747..97aa8be40175 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -3361,10 +3361,15 @@ static int count_overhead(struct super_block *sb, ext4_group_t grp,
 			ext4_set_bit(s++, buf);
 			count++;
 		}
-		for (j = ext4_bg_num_gdb(sb, grp); j > 0; j--) {
-			ext4_set_bit(EXT4_B2C(sbi, s++), buf);
-			count++;
+		j = ext4_bg_num_gdb(sb, grp);
+		if (s + j > EXT4_BLOCKS_PER_GROUP(sb)) {
+			ext4_error(sb, "Invalid number of block group "
+				   "descriptor blocks: %d", j);
+			j = EXT4_BLOCKS_PER_GROUP(sb) - s;
 		}
+		count += j;
+		for (; j > 0; j--)
+			ext4_set_bit(EXT4_B2C(sbi, s++), buf);
 	}
 	if (!count)
 		return 0;
@@ -3736,7 +3741,15 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	if (blocksize < EXT4_MIN_BLOCK_SIZE ||
 	    blocksize > EXT4_MAX_BLOCK_SIZE) {
 		ext4_msg(sb, KERN_ERR,
-		       "Unsupported filesystem blocksize %d", blocksize);
+		       "Unsupported filesystem blocksize %d (%d log_block_size)",
+			 blocksize, le32_to_cpu(es->s_log_block_size));
+		goto failed_mount;
+	}
+	if (le32_to_cpu(es->s_log_block_size) >
+	    (EXT4_MAX_BLOCK_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
+		ext4_msg(sb, KERN_ERR,
+			 "Invalid log block size: %u",
+			 le32_to_cpu(es->s_log_block_size));
 		goto failed_mount;
 	}
 
@@ -3832,12 +3845,16 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 
 	sbi->s_blocks_per_group = le32_to_cpu(es->s_blocks_per_group);
 	sbi->s_inodes_per_group = le32_to_cpu(es->s_inodes_per_group);
-	if (EXT4_INODE_SIZE(sb) == 0 || EXT4_INODES_PER_GROUP(sb) == 0)
-		goto cantfind_ext4;
 
 	sbi->s_inodes_per_block = blocksize / EXT4_INODE_SIZE(sb);
 	if (sbi->s_inodes_per_block == 0)
 		goto cantfind_ext4;
+	if (sbi->s_inodes_per_group < sbi->s_inodes_per_block ||
+	    sbi->s_inodes_per_group > blocksize * 8) {
+		ext4_msg(sb, KERN_ERR, "invalid inodes per group: %lu\n",
+			 sbi->s_blocks_per_group);
+		goto failed_mount;
+	}
 	sbi->s_itb_per_group = sbi->s_inodes_per_group /
 					sbi->s_inodes_per_block;
 	sbi->s_desc_per_block = blocksize / EXT4_DESC_SIZE(sb);
@@ -3878,6 +3895,13 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 				 "block size (%d)", clustersize, blocksize);
 			goto failed_mount;
 		}
+		if (le32_to_cpu(es->s_log_cluster_size) >
+		    (EXT4_MAX_CLUSTER_LOG_SIZE - EXT4_MIN_BLOCK_LOG_SIZE)) {
+			ext4_msg(sb, KERN_ERR,
+				 "Invalid log cluster size: %u",
+				 le32_to_cpu(es->s_log_cluster_size));
+			goto failed_mount;
+		}
 		sbi->s_cluster_bits = le32_to_cpu(es->s_log_cluster_size) -
 			le32_to_cpu(es->s_log_block_size);
 		sbi->s_clusters_per_group =
@@ -3914,13 +3938,6 @@ static int ext4_fill_super(struct super_block *sb, void *data, int silent)
 	}
 	sbi->s_cluster_ratio = clustersize / blocksize;
 
-	if (sbi->s_inodes_per_group > blocksize * 8) {
-		ext4_msg(sb, KERN_ERR,
-		       "#inodes per group too big: %lu",
-		       sbi->s_inodes_per_group);
-		goto failed_mount;
-	}
-
 	/* Do we have standard group size of clustersize * 8 blocks ? */
 	if (sbi->s_blocks_per_group == clustersize << 3)
 		set_opt2(sb, STD_GROUP_SIZE);
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c
index f5388f37217e..bb73d0a0f387 100644
--- a/fs/f2fs/debug.c
+++ b/fs/f2fs/debug.c
@@ -339,6 +339,7 @@ static int stat_open(struct inode *inode, struct file *file)
 }
 
 static const struct file_operations stat_fops = {
+	.owner = THIS_MODULE,
 	.open = stat_open,
 	.read = seq_read,
 	.llseek = seq_lseek,
diff --git a/fs/nfs/file.c b/fs/nfs/file.c
index 8b8d83a526ce..ddf5f9fd719f 100644
--- a/fs/nfs/file.c
+++ b/fs/nfs/file.c
@@ -414,7 +414,7 @@ static int nfs_write_end(struct file *file, struct address_space *mapping,
 	 */
 	if (!PageUptodate(page)) {
 		unsigned pglen = nfs_page_length(page);
-		unsigned end = offset + len;
+		unsigned end = offset + copied;
 
 		if (pglen == 0) {
 			zero_user_segments(page, 0, offset,
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 1114afdd5a6b..4aefff89949d 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3864,6 +3864,7 @@ xlog_recover_clear_agi_bucket(
 	agi->agi_unlinked[bucket] = cpu_to_be32(NULLAGINO);
 	offset = offsetof(xfs_agi_t, agi_unlinked) +
 		 (sizeof(xfs_agino_t) * bucket);
+	xfs_trans_buf_set_type(tp, agibp, XFS_BLFT_AGI_BUF);
 	xfs_trans_log_buf(tp, agibp, offset,
 			  (offset + sizeof(xfs_agino_t) - 1));
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index ddd47c3a757d..c11f9d1963c3 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1940,8 +1940,8 @@ struct napi_gro_cb {
 	/* This is non-zero if the packet may be of the same flow. */
 	u8	same_flow:1;
 
-	/* Used in udp_gro_receive */
-	u8	udp_mark:1;
+	/* Used in tunnel GRO receive */
+	u8	encap_mark:1;
 
 	/* GRO checksum is valid */
 	u8	csum_valid:1;
diff --git a/include/net/ip.h b/include/net/ip.h
index f41fc497b21b..117bde93995d 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -234,6 +234,8 @@ static inline int inet_is_local_reserved_port(struct net *net, int port)
 }
 #endif
 
+__be32 inet_current_timestamp(void);
+
 /* From inetpeer.c */
 extern int inet_peer_threshold;
 extern int inet_peer_minttl;
diff --git a/include/rdma/ib_addr.h b/include/rdma/ib_addr.h
index ac54c27a2bfd..e6796dc8c764 100644
--- a/include/rdma/ib_addr.h
+++ b/include/rdma/ib_addr.h
@@ -183,10 +183,12 @@ static inline void iboe_addr_get_sgid(struct rdma_dev_addr *dev_addr,
 
 	dev = dev_get_by_index(&init_net, dev_addr->bound_dev_if);
 	if (dev) {
-		ip4 = (struct in_device *)dev->ip_ptr;
-		if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address)
+		ip4 = in_dev_get(dev);
+		if (ip4 && ip4->ifa_list && ip4->ifa_list->ifa_address) {
 			ipv6_addr_set_v4mapped(ip4->ifa_list->ifa_address,
 					       (struct in6_addr *)gid);
+			in_dev_put(ip4);
+		}
 		dev_put(dev);
 	}
 }
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index 0874e2edd275..79517e5549f1 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -598,11 +598,11 @@ return_normal:
 	/*
 	 * Wait for the other CPUs to be notified and be waiting for us:
 	 */
-	time_left = loops_per_jiffy * HZ;
+	time_left = MSEC_PER_SEC;
 	while (kgdb_do_roundup && --time_left &&
 	       (atomic_read(&masters_in_kgdb) + atomic_read(&slaves_in_kgdb)) !=
 		   online_cpus)
-		cpu_relax();
+		udelay(1000);
 	if (!time_left)
 		pr_crit("Timed out waiting for secondary CPUs.\n");
 
diff --git a/kernel/time/timekeeping.c b/kernel/time/timekeeping.c
index d9f112bd42a7..d296b904685b 100644
--- a/kernel/time/timekeeping.c
+++ b/kernel/time/timekeeping.c
@@ -309,10 +309,10 @@ u32 (*arch_gettimeoffset)(void) = default_arch_gettimeoffset;
 static inline u32 arch_gettimeoffset(void) { return 0; }
 #endif
 
-static inline s64 timekeeping_delta_to_ns(struct tk_read_base *tkr,
+static inline u64 timekeeping_delta_to_ns(struct tk_read_base *tkr,
 					  cycle_t delta)
 {
-	s64 nsec;
+	u64 nsec;
 
 	nsec = delta * tkr->mult + tkr->xtime_nsec;
 	nsec >>= tkr->shift;
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index a51e79688455..972ce5b596f4 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -779,6 +779,10 @@ print_graph_entry_leaf(struct trace_iterator *iter,
 
 		cpu_data = per_cpu_ptr(data->cpu_data, cpu);
 
+		/* If a graph tracer ignored set_graph_notrace */
+		if (call->depth < -1)
+			call->depth += FTRACE_NOTRACE_DEPTH;
+
 		/*
 		 * Comments display at + 1 to depth. Since
 		 * this is a leaf function, keep the comments
@@ -787,7 +791,8 @@ print_graph_entry_leaf(struct trace_iterator *iter,
 		cpu_data->depth = call->depth - 1;
 
 		/* No need to keep this function around for this depth */
-		if (call->depth < FTRACE_RETFUNC_DEPTH)
+		if (call->depth < FTRACE_RETFUNC_DEPTH &&
+		    !WARN_ON_ONCE(call->depth < 0))
 			cpu_data->enter_funcs[call->depth] = 0;
 	}
 
@@ -816,11 +821,16 @@ print_graph_entry_nested(struct trace_iterator *iter,
 		struct fgraph_cpu_data *cpu_data;
 		int cpu = iter->cpu;
 
+		/* If a graph tracer ignored set_graph_notrace */
+		if (call->depth < -1)
+			call->depth += FTRACE_NOTRACE_DEPTH;
+
 		cpu_data = per_cpu_ptr(data->cpu_data, cpu);
 		cpu_data->depth = call->depth;
 
 		/* Save this function pointer to see if the exit matches */
-		if (call->depth < FTRACE_RETFUNC_DEPTH)
+		if (call->depth < FTRACE_RETFUNC_DEPTH &&
+		    !WARN_ON_ONCE(call->depth < 0))
 			cpu_data->enter_funcs[call->depth] = call->func;
 	}
 
@@ -1048,7 +1058,8 @@ print_graph_return(struct ftrace_graph_ret *trace, struct trace_seq *s,
 		 */
 		cpu_data->depth = trace->depth - 1;
 
-		if (trace->depth < FTRACE_RETFUNC_DEPTH) {
+		if (trace->depth < FTRACE_RETFUNC_DEPTH &&
+		    !WARN_ON_ONCE(trace->depth < 0)) {
 			if (cpu_data->enter_funcs[trace->depth] != trace->func)
 				func_match = 0;
 			cpu_data->enter_funcs[trace->depth] = 0;
diff --git a/mm/vmscan.c b/mm/vmscan.c
index e1a95dbcd5f8..f16e330e1096 100644
--- a/mm/vmscan.c
+++ b/mm/vmscan.c
@@ -246,6 +246,7 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
 	int nid = shrinkctl->nid;
 	long batch_size = shrinker->batch ? shrinker->batch
 					  : SHRINK_BATCH;
+	long scanned = 0, next_deferred;
 
 	freeable = shrinker->count_objects(shrinker, shrinkctl);
 	if (freeable == 0)
@@ -267,7 +268,9 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
 		pr_err("shrink_slab: %pF negative objects to delete nr=%ld\n",
 		       shrinker->scan_objects, total_scan);
 		total_scan = freeable;
-	}
+		next_deferred = nr;
+	} else
+		next_deferred = total_scan;
 
 	/*
 	 * We need to avoid excessive windup on filesystem shrinkers
@@ -324,17 +327,22 @@ static unsigned long do_shrink_slab(struct shrink_control *shrinkctl,
 
 		count_vm_events(SLABS_SCANNED, nr_to_scan);
 		total_scan -= nr_to_scan;
+		scanned += nr_to_scan;
 
 		cond_resched();
 	}
 
+	if (next_deferred >= scanned)
+		next_deferred -= scanned;
+	else
+		next_deferred = 0;
 	/*
 	 * move the unused scan count back into the shrinker in a
 	 * manner that handles concurrent updates. If we exhausted the
 	 * scan, there is no need to do an update.
 	 */
-	if (total_scan > 0)
-		new_nr = atomic_long_add_return(total_scan,
+	if (next_deferred > 0)
+		new_nr = atomic_long_add_return(next_deferred,
 						&shrinker->nr_deferred[nid]);
 	else
 		new_nr = atomic_long_read(&shrinker->nr_deferred[nid]);
diff --git a/net/ceph/messenger.c b/net/ceph/messenger.c
index 84201c21705e..940ba74b297c 100644
--- a/net/ceph/messenger.c
+++ b/net/ceph/messenger.c
@@ -2029,6 +2029,19 @@ static int process_connect(struct ceph_connection *con)
 
 	dout("process_connect on %p tag %d\n", con, (int)con->in_tag);
 
+	if (con->auth_reply_buf) {
+		/*
+		 * Any connection that defines ->get_authorizer()
+		 * should also define ->verify_authorizer_reply().
+		 * See get_connect_authorizer().
+		 */
+		ret = con->ops->verify_authorizer_reply(con, 0);
+		if (ret < 0) {
+			con->error_msg = "bad authorize reply";
+			return ret;
+		}
+	}
+
 	switch (con->in_reply.tag) {
 	case CEPH_MSGR_TAG_FEATURES:
 		pr_err("%s%lld %s feature set mismatch,"
diff --git a/net/core/dev.c b/net/core/dev.c
index 56d820fc2707..0f9289ff0f2a 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -4059,8 +4059,8 @@ static enum gro_result dev_gro_receive(struct napi_struct *napi, struct sk_buff
 		NAPI_GRO_CB(skb)->same_flow = 0;
 		NAPI_GRO_CB(skb)->flush = 0;
 		NAPI_GRO_CB(skb)->free = 0;
-		NAPI_GRO_CB(skb)->udp_mark = 0;
 		NAPI_GRO_CB(skb)->recursion_counter = 0;
+		NAPI_GRO_CB(skb)->encap_mark = 0;
 		NAPI_GRO_CB(skb)->gro_remcsum_start = 0;
 
 		/* Setup for GRO checksum validation */
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c
index 2095cd6c31fd..84e46837610b 100644
--- a/net/ipv4/af_inet.c
+++ b/net/ipv4/af_inet.c
@@ -1388,6 +1388,45 @@ out:
 	return pp;
 }
 
+static struct sk_buff **ipip_gro_receive(struct sk_buff **head,
+					 struct sk_buff *skb)
+{
+	if (NAPI_GRO_CB(skb)->encap_mark) {
+		NAPI_GRO_CB(skb)->flush = 1;
+		return NULL;
+	}
+
+	NAPI_GRO_CB(skb)->encap_mark = 1;
+
+	return inet_gro_receive(head, skb);
+}
+
+#define SECONDS_PER_DAY	86400
+
+/* inet_current_timestamp - Return IP network timestamp
+ *
+ * Return milliseconds since midnight in network byte order.
+ */
+__be32 inet_current_timestamp(void)
+{
+	u32 secs;
+	u32 msecs;
+	struct timespec64 ts;
+
+	ktime_get_real_ts64(&ts);
+
+	/* Get secs since midnight. */
+	(void)div_u64_rem(ts.tv_sec, SECONDS_PER_DAY, &secs);
+	/* Convert to msecs. */
+	msecs = secs * MSEC_PER_SEC;
+	/* Convert nsec to msec. */
+	msecs += (u32)ts.tv_nsec / NSEC_PER_MSEC;
+
+	/* Convert to network byte order. */
+	return htons(msecs);
+}
+EXPORT_SYMBOL(inet_current_timestamp);
+
 int inet_recv_error(struct sock *sk, struct msghdr *msg, int len, int *addr_len)
 {
 	if (sk->sk_family == AF_INET)
@@ -1430,6 +1469,13 @@ out_unlock:
 	return err;
 }
 
+static int ipip_gro_complete(struct sk_buff *skb, int nhoff)
+{
+	skb->encapsulation = 1;
+	skb_shinfo(skb)->gso_type |= SKB_GSO_IPIP;
+	return inet_gro_complete(skb, nhoff);
+}
+
 int inet_ctl_sock_create(struct sock **sk, unsigned short family,
 			 unsigned short type, unsigned char protocol,
 			 struct net *net)
@@ -1646,8 +1692,8 @@ static struct packet_offload ip_packet_offload __read_mostly = {
 static const struct net_offload ipip_offload = {
 	.callbacks = {
 		.gso_segment	= inet_gso_segment,
-		.gro_receive	= inet_gro_receive,
-		.gro_complete	= inet_gro_complete,
+		.gro_receive	= ipip_gro_receive,
+		.gro_complete	= ipip_gro_complete,
 	},
 };
 
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index b22a75c0a3d9..7841b35e5ab0 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -182,6 +182,14 @@ static struct sk_buff **fou_gro_receive(struct sk_buff **head,
 	u8 proto = NAPI_GRO_CB(skb)->proto;
 	const struct net_offload **offloads;
 
+	/* We can clear the encap_mark for FOU as we are essentially doing
+	 * one of two possible things.  We are either adding an L4 tunnel
+	 * header to the outer L3 tunnel header, or we are are simply
+	 * treating the GRE tunnel header as though it is a UDP protocol
+	 * specific header such as VXLAN or GENEVE.
+	 */
+	NAPI_GRO_CB(skb)->encap_mark = 0;
+
 	rcu_read_lock();
 	offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads;
 	ops = rcu_dereference(offloads[proto]);
@@ -349,6 +357,14 @@ static struct sk_buff **gue_gro_receive(struct sk_buff **head,
 		}
 	}
 
+	/* We can clear the encap_mark for GUE as we are essentially doing
+	 * one of two possible things.  We are either adding an L4 tunnel
+	 * header to the outer L3 tunnel header, or we are are simply
+	 * treating the GRE tunnel header as though it is a UDP protocol
+	 * specific header such as VXLAN or GENEVE.
+	 */
+	NAPI_GRO_CB(skb)->encap_mark = 0;
+
 	rcu_read_lock();
 	offloads = NAPI_GRO_CB(skb)->is_ipv6 ? inet6_offloads : inet_offloads;
 	ops = rcu_dereference(offloads[guehdr->proto_ctype]);
diff --git a/net/ipv4/gre_offload.c b/net/ipv4/gre_offload.c
index 53300b88d569..79ae0d7becbf 100644
--- a/net/ipv4/gre_offload.c
+++ b/net/ipv4/gre_offload.c
@@ -128,6 +128,11 @@ static struct sk_buff **gre_gro_receive(struct sk_buff **head,
 	struct packet_offload *ptype;
 	__be16 type;
 
+	if (NAPI_GRO_CB(skb)->encap_mark)
+		goto out;
+
+	NAPI_GRO_CB(skb)->encap_mark = 1;
+
 	off = skb_gro_offset(skb);
 	hlen = off + sizeof(*greh);
 	greh = skb_gro_header_fast(skb, off);
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index f5203fba6236..2ba975272ff6 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -907,7 +907,6 @@ static bool icmp_echo(struct sk_buff *skb)
  */
 static bool icmp_timestamp(struct sk_buff *skb)
 {
-	struct timespec tv;
 	struct icmp_bxm icmp_param;
 	/*
 	 *	Too short.
@@ -918,9 +917,7 @@ static bool icmp_timestamp(struct sk_buff *skb)
 	/*
 	 *	Fill in the current time as ms since midnight UT:
 	 */
-	getnstimeofday(&tv);
-	icmp_param.data.times[1] = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC +
-					 tv.tv_nsec / NSEC_PER_MSEC);
+	icmp_param.data.times[1] = inet_current_timestamp();
 	icmp_param.data.times[2] = icmp_param.data.times[1];
 	if (skb_copy_bits(skb, 0, &icmp_param.data.times[0], 4))
 		BUG();
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index bd246792360b..4d158ff1def1 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -58,10 +58,9 @@ void ip_options_build(struct sk_buff *skb, struct ip_options *opt,
 		if (opt->ts_needaddr)
 			ip_rt_get_source(iph+opt->ts+iph[opt->ts+2]-9, skb, rt);
 		if (opt->ts_needtime) {
-			struct timespec tv;
 			__be32 midtime;
-			getnstimeofday(&tv);
-			midtime = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC);
+
+			midtime = inet_current_timestamp();
 			memcpy(iph+opt->ts+iph[opt->ts+2]-5, &midtime, 4);
 		}
 		return;
@@ -415,11 +414,10 @@ int ip_options_compile(struct net *net,
 					break;
 				}
 				if (timeptr) {
-					struct timespec tv;
-					u32  midtime;
-					getnstimeofday(&tv);
-					midtime = (tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC;
-					put_unaligned_be32(midtime, timeptr);
+					__be32 midtime;
+
+					midtime = inet_current_timestamp();
+					memcpy(timeptr, &midtime, 4);
 					opt->is_changed = 1;
 				}
 			} else if ((optptr[3]&0xF) != IPOPT_TS_PRESPEC) {
diff --git a/net/ipv4/udp_offload.c b/net/ipv4/udp_offload.c
index 2af7b7e1a0f6..dfcab88c3e74 100644
--- a/net/ipv4/udp_offload.c
+++ b/net/ipv4/udp_offload.c
@@ -299,14 +299,14 @@ struct sk_buff **udp_gro_receive(struct sk_buff **head, struct sk_buff *skb,
 	unsigned int off = skb_gro_offset(skb);
 	int flush = 1;
 
-	if (NAPI_GRO_CB(skb)->udp_mark ||
+	if (NAPI_GRO_CB(skb)->encap_mark ||
 	    (skb->ip_summed != CHECKSUM_PARTIAL &&
 	     NAPI_GRO_CB(skb)->csum_cnt == 0 &&
 	     !NAPI_GRO_CB(skb)->csum_valid))
 		goto out;
 
-	/* mark that this skb passed once through the udp gro layer */
-	NAPI_GRO_CB(skb)->udp_mark = 1;
+	/* mark that this skb passed once through the tunnel gro layer */
+	NAPI_GRO_CB(skb)->encap_mark = 1;
 
 	rcu_read_lock();
 	uo_priv = rcu_dereference(udp_offload_base);
diff --git a/net/ipv6/ip6_offload.c b/net/ipv6/ip6_offload.c
index db0b8428d248..9b01da54d475 100644
--- a/net/ipv6/ip6_offload.c
+++ b/net/ipv6/ip6_offload.c
@@ -258,6 +258,19 @@ out:
 	return pp;
 }
 
+static struct sk_buff **sit_gro_receive(struct sk_buff **head,
+					struct sk_buff *skb)
+{
+	if (NAPI_GRO_CB(skb)->encap_mark) {
+		NAPI_GRO_CB(skb)->flush = 1;
+		return NULL;
+	}
+
+	NAPI_GRO_CB(skb)->encap_mark = 1;
+
+	return ipv6_gro_receive(head, skb);
+}
+
 static int ipv6_gro_complete(struct sk_buff *skb, int nhoff)
 {
 	const struct net_offload *ops;
diff --git a/net/sunrpc/auth_gss/auth_gss.c b/net/sunrpc/auth_gss/auth_gss.c
index dace13d7638e..b7569238a410 100644
--- a/net/sunrpc/auth_gss/auth_gss.c
+++ b/net/sunrpc/auth_gss/auth_gss.c
@@ -539,9 +539,13 @@ gss_setup_upcall(struct gss_auth *gss_auth, struct rpc_cred *cred)
 		return gss_new;
 	gss_msg = gss_add_msg(gss_new);
 	if (gss_msg == gss_new) {
-		int res = rpc_queue_upcall(gss_new->pipe, &gss_new->msg);
+		int res;
+		atomic_inc(&gss_msg->count);
+		res = rpc_queue_upcall(gss_new->pipe, &gss_new->msg);
 		if (res) {
 			gss_unhash_msg(gss_new);
+			atomic_dec(&gss_msg->count);
+			gss_release_msg(gss_new);
 			gss_msg = ERR_PTR(res);
 		}
 	} else
@@ -834,6 +838,7 @@ gss_pipe_destroy_msg(struct rpc_pipe_msg *msg)
 			warn_gssd();
 		gss_release_msg(gss_msg);
 	}
+	gss_release_msg(gss_msg);
 }
 
 static void gss_pipe_dentry_destroy(struct dentry *dir,
diff --git a/scripts/kconfig/nconf.gui.c b/scripts/kconfig/nconf.gui.c
index 8275f0e55106..4b2f44c20caf 100644
--- a/scripts/kconfig/nconf.gui.c
+++ b/scripts/kconfig/nconf.gui.c
@@ -364,12 +364,14 @@ int dialog_inputbox(WINDOW *main_window,
 	WINDOW *prompt_win;
 	WINDOW *form_win;
 	PANEL *panel;
-	int i, x, y;
+	int i, x, y, lines, columns, win_lines, win_cols;
 	int res = -1;
 	int cursor_position = strlen(init);
 	int cursor_form_win;
 	char *result = *resultp;
 
+	getmaxyx(stdscr, lines, columns);
+
 	if (strlen(init)+1 > *result_len) {
 		*result_len = strlen(init)+1;
 		*resultp = result = realloc(result, *result_len);
@@ -386,14 +388,19 @@ int dialog_inputbox(WINDOW *main_window,
 	if (title)
 		prompt_width = max(prompt_width, strlen(title));
 
+	win_lines = min(prompt_lines+6, lines-2);
+	win_cols = min(prompt_width+7, columns-2);
+	prompt_lines = max(win_lines-6, 0);
+	prompt_width = max(win_cols-7, 0);
+
 	/* place dialog in middle of screen */
-	y = (getmaxy(stdscr)-(prompt_lines+4))/2;
-	x = (getmaxx(stdscr)-(prompt_width+4))/2;
+	y = (lines-win_lines)/2;
+	x = (columns-win_cols)/2;
 
 	strncpy(result, init, *result_len);
 
 	/* create the windows */
-	win = newwin(prompt_lines+6, prompt_width+7, y, x);
+	win = newwin(win_lines, win_cols, y, x);
 	prompt_win = derwin(win, prompt_lines+1, prompt_width, 2, 2);
 	form_win = derwin(win, 1, prompt_width, prompt_lines+3, 2);
 	keypad(form_win, TRUE);
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index 2a9ec9706db8..b93458698335 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -5876,6 +5876,9 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
 		{0x12, 0x90a60180},
 		{0x14, 0x90170120},
 		{0x21, 0x02211030}),
+	SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+		{0x1b, 0x01011020},
+		{0x21, 0x02211010}),
 	SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
 		ALC255_STANDARD_PINS,
 		{0x12, 0x90a60160},
diff --git a/sound/soc/intel/atom/sst-mfld-platform-pcm.c b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
index 2fbaf2c75d17..5f43e1ced179 100644
--- a/sound/soc/intel/atom/sst-mfld-platform-pcm.c
+++ b/sound/soc/intel/atom/sst-mfld-platform-pcm.c
@@ -739,6 +739,9 @@ static int sst_soc_prepare(struct device *dev)
 	struct sst_data *drv = dev_get_drvdata(dev);
 	int i;
 
+	if (!drv->soc_card)
+		return 0;
+
 	/* suspend all pcms first */
 	snd_soc_suspend(drv->soc_card->dev);
 	snd_soc_poweroff(drv->soc_card->dev);
@@ -761,6 +764,9 @@ static void sst_soc_complete(struct device *dev)
 	struct sst_data *drv = dev_get_drvdata(dev);
 	int i;
 
+	if (!drv->soc_card)
+		return;
+
 	/* restart SSPs */
 	for (i = 0; i < drv->soc_card->num_rtd; i++) {
 		struct snd_soc_dai *dai = drv->soc_card->rtd[i].cpu_dai;
diff --git a/sound/usb/hiface/pcm.c b/sound/usb/hiface/pcm.c
index 2c44139b4041..33db205dd12b 100644
--- a/sound/usb/hiface/pcm.c
+++ b/sound/usb/hiface/pcm.c
@@ -445,6 +445,8 @@ static int hiface_pcm_prepare(struct snd_pcm_substream *alsa_sub)
 
 	mutex_lock(&rt->stream_mutex);
 
+	hiface_pcm_stream_stop(rt);
+
 	sub->dma_off = 0;
 	sub->period_off = 0;
 
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index e0fc02763024..4a033cbbd361 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -925,9 +925,10 @@ static void volume_control_quirks(struct usb_mixer_elem_info *cval,
 	case USB_ID(0x046d, 0x0826): /* HD Webcam c525 */
 	case USB_ID(0x046d, 0x08ca): /* Logitech Quickcam Fusion */
 	case USB_ID(0x046d, 0x0991):
+	case USB_ID(0x046d, 0x09a2): /* QuickCam Communicate Deluxe/S7500 */
 	/* Most audio usb devices lie about volume resolution.
 	 * Most Logitech webcams have res = 384.
-	 * Proboly there is some logitech magic behind this number --fishor
+	 * Probably there is some logitech magic behind this number --fishor
 	 */
 		if (!strcmp(kctl->id.name, "Mic Capture Volume")) {
 			usb_audio_info(chip,