path: root/1036_linux-4.19.37.patch

diff --git a/Makefile b/Makefile
index 3fac08f6a11e..7b495cad8c2e 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 4
 PATCHLEVEL = 19
-SUBLEVEL = 36
+SUBLEVEL = 37
 EXTRAVERSION =
 NAME = "People's Front"
 
@@ -661,8 +661,7 @@ KBUILD_CFLAGS	+= $(call cc-disable-warning, format-overflow)
 KBUILD_CFLAGS	+= $(call cc-disable-warning, int-in-bool-context)
 
 ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
-KBUILD_CFLAGS	+= $(call cc-option,-Oz,-Os)
-KBUILD_CFLAGS	+= $(call cc-disable-warning,maybe-uninitialized,)
+KBUILD_CFLAGS	+= -Os $(call cc-disable-warning,maybe-uninitialized,)
 else
 ifdef CONFIG_PROFILE_ALL_BRANCHES
 KBUILD_CFLAGS	+= -O2 $(call cc-disable-warning,maybe-uninitialized,)
diff --git a/arch/arm64/include/asm/futex.h b/arch/arm64/include/asm/futex.h
index b447b4db423a..fd1e722f3821 100644
--- a/arch/arm64/include/asm/futex.h
+++ b/arch/arm64/include/asm/futex.h
@@ -50,7 +50,7 @@ do {									\
 static inline int
 arch_futex_atomic_op_inuser(int op, int oparg, int *oval, u32 __user *_uaddr)
 {
-	int oldval, ret, tmp;
+	int oldval = 0, ret, tmp;
 	u32 __user *uaddr = __uaccess_mask_ptr(_uaddr);
 
 	pagefault_disable();
diff --git a/arch/x86/crypto/poly1305-avx2-x86_64.S b/arch/x86/crypto/poly1305-avx2-x86_64.S
index 3b6e70d085da..8457cdd47f75 100644
--- a/arch/x86/crypto/poly1305-avx2-x86_64.S
+++ b/arch/x86/crypto/poly1305-avx2-x86_64.S
@@ -323,6 +323,12 @@ ENTRY(poly1305_4block_avx2)
 	vpaddq		t2,t1,t1
 	vmovq		t1x,d4
 
+	# Now do a partial reduction mod (2^130)-5, carrying h0 -> h1 -> h2 ->
+	# h3 -> h4 -> h0 -> h1 to get h0,h2,h3,h4 < 2^26 and h1 < 2^26 + a small
+	# amount.  Careful: we must not assume the carry bits 'd0 >> 26',
+	# 'd1 >> 26', 'd2 >> 26', 'd3 >> 26', and '(d4 >> 26) * 5' fit in 32-bit
+	# integers.  It's true in a single-block implementation, but not here.
+
 	# d1 += d0 >> 26
 	mov		d0,%rax
 	shr		$26,%rax
@@ -361,16 +367,16 @@ ENTRY(poly1305_4block_avx2)
 	# h0 += (d4 >> 26) * 5
 	mov		d4,%rax
 	shr		$26,%rax
-	lea		(%eax,%eax,4),%eax
-	add		%eax,%ebx
+	lea		(%rax,%rax,4),%rax
+	add		%rax,%rbx
 	# h4 = d4 & 0x3ffffff
 	mov		d4,%rax
 	and		$0x3ffffff,%eax
 	mov		%eax,h4
 
 	# h1 += h0 >> 26
-	mov		%ebx,%eax
-	shr		$26,%eax
+	mov		%rbx,%rax
+	shr		$26,%rax
 	add		%eax,h1
 	# h0 = h0 & 0x3ffffff
 	andl		$0x3ffffff,%ebx
diff --git a/arch/x86/crypto/poly1305-sse2-x86_64.S b/arch/x86/crypto/poly1305-sse2-x86_64.S
index c88c670cb5fc..5851c7418fb7 100644
--- a/arch/x86/crypto/poly1305-sse2-x86_64.S
+++ b/arch/x86/crypto/poly1305-sse2-x86_64.S
@@ -253,16 +253,16 @@ ENTRY(poly1305_block_sse2)
 	# h0 += (d4 >> 26) * 5
 	mov		d4,%rax
 	shr		$26,%rax
-	lea		(%eax,%eax,4),%eax
-	add		%eax,%ebx
+	lea		(%rax,%rax,4),%rax
+	add		%rax,%rbx
 	# h4 = d4 & 0x3ffffff
 	mov		d4,%rax
 	and		$0x3ffffff,%eax
 	mov		%eax,h4
 
 	# h1 += h0 >> 26
-	mov		%ebx,%eax
-	shr		$26,%eax
+	mov		%rbx,%rax
+	shr		$26,%rax
 	add		%eax,h1
 	# h0 = h0 & 0x3ffffff
 	andl		$0x3ffffff,%ebx
@@ -520,6 +520,12 @@ ENTRY(poly1305_2block_sse2)
 	paddq		t2,t1
 	movq		t1,d4
 
+	# Now do a partial reduction mod (2^130)-5, carrying h0 -> h1 -> h2 ->
+	# h3 -> h4 -> h0 -> h1 to get h0,h2,h3,h4 < 2^26 and h1 < 2^26 + a small
+	# amount.  Careful: we must not assume the carry bits 'd0 >> 26',
+	# 'd1 >> 26', 'd2 >> 26', 'd3 >> 26', and '(d4 >> 26) * 5' fit in 32-bit
+	# integers.  It's true in a single-block implementation, but not here.
+
 	# d1 += d0 >> 26
 	mov		d0,%rax
 	shr		$26,%rax
@@ -558,16 +564,16 @@ ENTRY(poly1305_2block_sse2)
 	# h0 += (d4 >> 26) * 5
 	mov		d4,%rax
 	shr		$26,%rax
-	lea		(%eax,%eax,4),%eax
-	add		%eax,%ebx
+	lea		(%rax,%rax,4),%rax
+	add		%rax,%rbx
 	# h4 = d4 & 0x3ffffff
 	mov		d4,%rax
 	and		$0x3ffffff,%eax
 	mov		%eax,h4
 
 	# h1 += h0 >> 26
-	mov		%ebx,%eax
-	shr		$26,%eax
+	mov		%rbx,%rax
+	shr		$26,%rax
 	add		%eax,h1
 	# h0 = h0 & 0x3ffffff
 	andl		$0x3ffffff,%ebx
diff --git a/arch/x86/events/amd/core.c b/arch/x86/events/amd/core.c
index 3e5dd85b019a..263af6312329 100644
--- a/arch/x86/events/amd/core.c
+++ b/arch/x86/events/amd/core.c
@@ -117,22 +117,39 @@ static __initconst const u64 amd_hw_cache_event_ids
 };
 
 /*
- * AMD Performance Monitor K7 and later.
+ * AMD Performance Monitor K7 and later, up to and including Family 16h:
  */
 static const u64 amd_perfmon_event_map[PERF_COUNT_HW_MAX] =
 {
-  [PERF_COUNT_HW_CPU_CYCLES]			= 0x0076,
-  [PERF_COUNT_HW_INSTRUCTIONS]			= 0x00c0,
-  [PERF_COUNT_HW_CACHE_REFERENCES]		= 0x077d,
-  [PERF_COUNT_HW_CACHE_MISSES]			= 0x077e,
-  [PERF_COUNT_HW_BRANCH_INSTRUCTIONS]		= 0x00c2,
-  [PERF_COUNT_HW_BRANCH_MISSES]			= 0x00c3,
-  [PERF_COUNT_HW_STALLED_CYCLES_FRONTEND]	= 0x00d0, /* "Decoder empty" event */
-  [PERF_COUNT_HW_STALLED_CYCLES_BACKEND]	= 0x00d1, /* "Dispatch stalls" event */
+	[PERF_COUNT_HW_CPU_CYCLES]		= 0x0076,
+	[PERF_COUNT_HW_INSTRUCTIONS]		= 0x00c0,
+	[PERF_COUNT_HW_CACHE_REFERENCES]	= 0x077d,
+	[PERF_COUNT_HW_CACHE_MISSES]		= 0x077e,
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS]	= 0x00c2,
+	[PERF_COUNT_HW_BRANCH_MISSES]		= 0x00c3,
+	[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND]	= 0x00d0, /* "Decoder empty" event */
+	[PERF_COUNT_HW_STALLED_CYCLES_BACKEND]	= 0x00d1, /* "Dispatch stalls" event */
+};
+
+/*
+ * AMD Performance Monitor Family 17h and later:
+ */
+static const u64 amd_f17h_perfmon_event_map[PERF_COUNT_HW_MAX] =
+{
+	[PERF_COUNT_HW_CPU_CYCLES]		= 0x0076,
+	[PERF_COUNT_HW_INSTRUCTIONS]		= 0x00c0,
+	[PERF_COUNT_HW_CACHE_REFERENCES]	= 0xff60,
+	[PERF_COUNT_HW_BRANCH_INSTRUCTIONS]	= 0x00c2,
+	[PERF_COUNT_HW_BRANCH_MISSES]		= 0x00c3,
+	[PERF_COUNT_HW_STALLED_CYCLES_FRONTEND]	= 0x0287,
+	[PERF_COUNT_HW_STALLED_CYCLES_BACKEND]	= 0x0187,
 };
 
 static u64 amd_pmu_event_map(int hw_event)
 {
+	if (boot_cpu_data.x86 >= 0x17)
+		return amd_f17h_perfmon_event_map[hw_event];
+
 	return amd_perfmon_event_map[hw_event];
 }
 
diff --git a/arch/x86/events/intel/core.c b/arch/x86/events/intel/core.c
index 12453cf7c11b..3dd204d1dd19 100644
--- a/arch/x86/events/intel/core.c
+++ b/arch/x86/events/intel/core.c
@@ -3014,7 +3014,7 @@ static unsigned long intel_pmu_large_pebs_flags(struct perf_event *event)
 		flags &= ~PERF_SAMPLE_TIME;
 	if (!event->attr.exclude_kernel)
 		flags &= ~PERF_SAMPLE_REGS_USER;
-	if (event->attr.sample_regs_user & ~PEBS_REGS)
+	if (event->attr.sample_regs_user & ~PEBS_GP_REGS)
 		flags &= ~(PERF_SAMPLE_REGS_USER | PERF_SAMPLE_REGS_INTR);
 	return flags;
 }
diff --git a/arch/x86/events/perf_event.h b/arch/x86/events/perf_event.h
index 42a36280d168..05659c7b43d4 100644
--- a/arch/x86/events/perf_event.h
+++ b/arch/x86/events/perf_event.h
@@ -96,25 +96,25 @@ struct amd_nb {
 	PERF_SAMPLE_REGS_INTR | PERF_SAMPLE_REGS_USER | \
 	PERF_SAMPLE_PERIOD)
 
-#define PEBS_REGS \
-	(PERF_REG_X86_AX | \
-	 PERF_REG_X86_BX | \
-	 PERF_REG_X86_CX | \
-	 PERF_REG_X86_DX | \
-	 PERF_REG_X86_DI | \
-	 PERF_REG_X86_SI | \
-	 PERF_REG_X86_SP | \
-	 PERF_REG_X86_BP | \
-	 PERF_REG_X86_IP | \
-	 PERF_REG_X86_FLAGS | \
-	 PERF_REG_X86_R8 | \
-	 PERF_REG_X86_R9 | \
-	 PERF_REG_X86_R10 | \
-	 PERF_REG_X86_R11 | \
-	 PERF_REG_X86_R12 | \
-	 PERF_REG_X86_R13 | \
-	 PERF_REG_X86_R14 | \
-	 PERF_REG_X86_R15)
+#define PEBS_GP_REGS			\
+	((1ULL << PERF_REG_X86_AX)    | \
+	 (1ULL << PERF_REG_X86_BX)    | \
+	 (1ULL << PERF_REG_X86_CX)    | \
+	 (1ULL << PERF_REG_X86_DX)    | \
+	 (1ULL << PERF_REG_X86_DI)    | \
+	 (1ULL << PERF_REG_X86_SI)    | \
+	 (1ULL << PERF_REG_X86_SP)    | \
+	 (1ULL << PERF_REG_X86_BP)    | \
+	 (1ULL << PERF_REG_X86_IP)    | \
+	 (1ULL << PERF_REG_X86_FLAGS) | \
+	 (1ULL << PERF_REG_X86_R8)    | \
+	 (1ULL << PERF_REG_X86_R9)    | \
+	 (1ULL << PERF_REG_X86_R10)   | \
+	 (1ULL << PERF_REG_X86_R11)   | \
+	 (1ULL << PERF_REG_X86_R12)   | \
+	 (1ULL << PERF_REG_X86_R13)   | \
+	 (1ULL << PERF_REG_X86_R14)   | \
+	 (1ULL << PERF_REG_X86_R15))
 
 /*
  * Per register state.
diff --git a/arch/x86/kernel/cpu/bugs.c b/arch/x86/kernel/cpu/bugs.c
index 1e0c4c74195c..e5258bd64200 100644
--- a/arch/x86/kernel/cpu/bugs.c
+++ b/arch/x86/kernel/cpu/bugs.c
@@ -272,7 +272,7 @@ static const struct {
 	const char			*option;
 	enum spectre_v2_user_cmd	cmd;
 	bool				secure;
-} v2_user_options[] __initdata = {
+} v2_user_options[] __initconst = {
 	{ "auto",		SPECTRE_V2_USER_CMD_AUTO,		false },
 	{ "off",		SPECTRE_V2_USER_CMD_NONE,		false },
 	{ "on",			SPECTRE_V2_USER_CMD_FORCE,		true  },
@@ -407,7 +407,7 @@ static const struct {
 	const char *option;
 	enum spectre_v2_mitigation_cmd cmd;
 	bool secure;
-} mitigation_options[] __initdata = {
+} mitigation_options[] __initconst = {
 	{ "off",		SPECTRE_V2_CMD_NONE,		  false },
 	{ "on",			SPECTRE_V2_CMD_FORCE,		  true  },
 	{ "retpoline",		SPECTRE_V2_CMD_RETPOLINE,	  false },
@@ -643,7 +643,7 @@ static const char * const ssb_strings[] = {
 static const struct {
 	const char *option;
 	enum ssb_mitigation_cmd cmd;
-} ssb_mitigation_options[]  __initdata = {
+} ssb_mitigation_options[]  __initconst = {
 	{ "auto",	SPEC_STORE_BYPASS_CMD_AUTO },    /* Platform decides */
 	{ "on",		SPEC_STORE_BYPASS_CMD_ON },      /* Disable Speculative Store Bypass */
 	{ "off",	SPEC_STORE_BYPASS_CMD_NONE },    /* Don't touch Speculative Store Bypass */
diff --git a/arch/x86/kernel/kprobes/core.c b/arch/x86/kernel/kprobes/core.c
index b0d1e81c96bb..acb901b43ce4 100644
--- a/arch/x86/kernel/kprobes/core.c
+++ b/arch/x86/kernel/kprobes/core.c
@@ -569,6 +569,7 @@ void arch_prepare_kretprobe(struct kretprobe_instance *ri, struct pt_regs *regs)
 	unsigned long *sara = stack_addr(regs);
 
 	ri->ret_addr = (kprobe_opcode_t *) *sara;
+	ri->fp = sara;
 
 	/* Replace the return addr with trampoline addr */
 	*sara = (unsigned long) &kretprobe_trampoline;
@@ -759,15 +760,21 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
 	unsigned long flags, orig_ret_address = 0;
 	unsigned long trampoline_address = (unsigned long)&kretprobe_trampoline;
 	kprobe_opcode_t *correct_ret_addr = NULL;
+	void *frame_pointer;
+	bool skipped = false;
 
 	INIT_HLIST_HEAD(&empty_rp);
 	kretprobe_hash_lock(current, &head, &flags);
 	/* fixup registers */
 #ifdef CONFIG_X86_64
 	regs->cs = __KERNEL_CS;
+	/* On x86-64, we use pt_regs->sp for return address holder. */
+	frame_pointer = &regs->sp;
 #else
 	regs->cs = __KERNEL_CS | get_kernel_rpl();
 	regs->gs = 0;
+	/* On x86-32, we use pt_regs->flags for return address holder. */
+	frame_pointer = &regs->flags;
 #endif
 	regs->ip = trampoline_address;
 	regs->orig_ax = ~0UL;
@@ -789,8 +796,25 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
 		if (ri->task != current)
 			/* another task is sharing our hash bucket */
 			continue;
+		/*
+		 * Return probes must be pushed on this hash list correct
+		 * order (same as return order) so that it can be poped
+		 * correctly. However, if we find it is pushed it incorrect
+		 * order, this means we find a function which should not be
+		 * probed, because the wrong order entry is pushed on the
+		 * path of processing other kretprobe itself.
+		 */
+		if (ri->fp != frame_pointer) {
+			if (!skipped)
+				pr_warn("kretprobe is stacked incorrectly. Trying to fixup.\n");
+			skipped = true;
+			continue;
+		}
 
 		orig_ret_address = (unsigned long)ri->ret_addr;
+		if (skipped)
+			pr_warn("%ps must be blacklisted because of incorrect kretprobe order\n",
+				ri->rp->kp.addr);
 
 		if (orig_ret_address != trampoline_address)
 			/*
@@ -808,6 +832,8 @@ __visible __used void *trampoline_handler(struct pt_regs *regs)
 		if (ri->task != current)
 			/* another task is sharing our hash bucket */
 			continue;
+		if (ri->fp != frame_pointer)
+			continue;
 
 		orig_ret_address = (unsigned long)ri->ret_addr;
 		if (ri->rp && ri->rp->handler) {
diff --git a/arch/x86/kernel/process.c b/arch/x86/kernel/process.c
index 7d31192296a8..b8b08e61ac73 100644
--- a/arch/x86/kernel/process.c
+++ b/arch/x86/kernel/process.c
@@ -411,6 +411,8 @@ static __always_inline void __speculation_ctrl_update(unsigned long tifp,
 	u64 msr = x86_spec_ctrl_base;
 	bool updmsr = false;
 
+	lockdep_assert_irqs_disabled();
+
 	/*
 	 * If TIF_SSBD is different, select the proper mitigation
 	 * method. Note that if SSBD mitigation is disabled or permanentely
@@ -462,10 +464,12 @@ static unsigned long speculation_ctrl_update_tif(struct task_struct *tsk)
 
 void speculation_ctrl_update(unsigned long tif)
 {
+	unsigned long flags;
+
 	/* Forced update. Make sure all relevant TIF flags are different */
-	preempt_disable();
+	local_irq_save(flags);
 	__speculation_ctrl_update(~tif, tif);
-	preempt_enable();
+	local_irq_restore(flags);
 }
 
 /* Called from seccomp/prctl update */
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index 106482da6388..860bd271619d 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -2575,15 +2575,13 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt)
 	 * CR0/CR3/CR4/EFER.  It's all a bit more complicated if the vCPU
 	 * supports long mode.
 	 */
-	cr4 = ctxt->ops->get_cr(ctxt, 4);
 	if (emulator_has_longmode(ctxt)) {
 		struct desc_struct cs_desc;
 
 		/* Zero CR4.PCIDE before CR0.PG.  */
-		if (cr4 & X86_CR4_PCIDE) {
+		cr4 = ctxt->ops->get_cr(ctxt, 4);
+		if (cr4 & X86_CR4_PCIDE)
 			ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PCIDE);
-			cr4 &= ~X86_CR4_PCIDE;
-		}
 
 		/* A 32-bit code segment is required to clear EFER.LMA.  */
 		memset(&cs_desc, 0, sizeof(cs_desc));
@@ -2597,13 +2595,16 @@ static int em_rsm(struct x86_emulate_ctxt *ctxt)
 	if (cr0 & X86_CR0_PE)
 		ctxt->ops->set_cr(ctxt, 0, cr0 & ~(X86_CR0_PG | X86_CR0_PE));
 
-	/* Now clear CR4.PAE (which must be done before clearing EFER.LME).  */
-	if (cr4 & X86_CR4_PAE)
-		ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PAE);
+	if (emulator_has_longmode(ctxt)) {
+		/* Clear CR4.PAE before clearing EFER.LME. */
+		cr4 = ctxt->ops->get_cr(ctxt, 4);
+		if (cr4 & X86_CR4_PAE)
+			ctxt->ops->set_cr(ctxt, 4, cr4 & ~X86_CR4_PAE);
 
-	/* And finally go back to 32-bit mode.  */
-	efer = 0;
-	ctxt->ops->set_msr(ctxt, MSR_EFER, efer);
+		/* And finally go back to 32-bit mode.  */
+		efer = 0;
+		ctxt->ops->set_msr(ctxt, MSR_EFER, efer);
+	}
 
 	smbase = ctxt->ops->get_smbase(ctxt);
 
diff --git a/arch/x86/kvm/svm.c b/arch/x86/kvm/svm.c
index 6dc72804fe6e..813cb60eb401 100644
--- a/arch/x86/kvm/svm.c
+++ b/arch/x86/kvm/svm.c
@@ -2679,6 +2679,7 @@ static int npf_interception(struct vcpu_svm *svm)
 static int db_interception(struct vcpu_svm *svm)
 {
 	struct kvm_run *kvm_run = svm->vcpu.run;
+	struct kvm_vcpu *vcpu = &svm->vcpu;
 
 	if (!(svm->vcpu.guest_debug &
 	      (KVM_GUESTDBG_SINGLESTEP | KVM_GUESTDBG_USE_HW_BP)) &&
@@ -2689,6 +2690,8 @@ static int db_interception(struct vcpu_svm *svm)
 
 	if (svm->nmi_singlestep) {
 		disable_nmi_singlestep(svm);
+		/* Make sure we check for pending NMIs upon entry */
+		kvm_make_request(KVM_REQ_EVENT, vcpu);
 	}
 
 	if (svm->vcpu.guest_debug &
@@ -4493,14 +4496,25 @@ static int avic_incomplete_ipi_interception(struct vcpu_svm *svm)
 		kvm_lapic_reg_write(apic, APIC_ICR, icrl);
 		break;
 	case AVIC_IPI_FAILURE_TARGET_NOT_RUNNING: {
+		int i;
+		struct kvm_vcpu *vcpu;
+		struct kvm *kvm = svm->vcpu.kvm;
 		struct kvm_lapic *apic = svm->vcpu.arch.apic;
 
 		/*
-		 * Update ICR high and low, then emulate sending IPI,
-		 * which is handled when writing APIC_ICR.
+		 * At this point, we expect that the AVIC HW has already
+		 * set the appropriate IRR bits on the valid target
+		 * vcpus. So, we just need to kick the appropriate vcpu.
 		 */
-		kvm_lapic_reg_write(apic, APIC_ICR2, icrh);
-		kvm_lapic_reg_write(apic, APIC_ICR, icrl);
+		kvm_for_each_vcpu(i, vcpu, kvm) {
+			bool m = kvm_apic_match_dest(vcpu, apic,
+						     icrl & KVM_APIC_SHORT_MASK,
+						     GET_APIC_DEST_FIELD(icrh),
+						     icrl & KVM_APIC_DEST_MASK);
+
+			if (m && !avic_vcpu_is_running(vcpu))
+				kvm_vcpu_wake_up(vcpu);
+		}
 		break;
 	}
 	case AVIC_IPI_FAILURE_INVALID_TARGET:
diff --git a/crypto/testmgr.h b/crypto/testmgr.h
index 862ee1d04263..74e1454cae1e 100644
--- a/crypto/testmgr.h
+++ b/crypto/testmgr.h
@@ -5592,7 +5592,49 @@ static const struct hash_testvec poly1305_tv_template[] = {
 		.psize		= 80,
 		.digest		= "\x13\x00\x00\x00\x00\x00\x00\x00"
 				  "\x00\x00\x00\x00\x00\x00\x00\x00",
-	},
+	}, { /* Regression test for overflow in AVX2 implementation */
+		.plaintext	= "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff\xff\xff\xff\xff"
+				  "\xff\xff\xff\xff",
+		.psize		= 300,
+		.digest		= "\xfb\x5e\x96\xd8\x61\xd5\xc7\xc8"
+				  "\x78\xe5\x87\xcc\x2d\x5a\x22\xe1",
+	}
 };
 
 /*
diff --git a/drivers/acpi/nfit/core.c b/drivers/acpi/nfit/core.c
index df2175b1169a..925dbc751322 100644
--- a/drivers/acpi/nfit/core.c
+++ b/drivers/acpi/nfit/core.c
@@ -1298,19 +1298,30 @@ static ssize_t scrub_show(struct device *dev,
 		struct device_attribute *attr, char *buf)
 {
 	struct nvdimm_bus_descriptor *nd_desc;
+	struct acpi_nfit_desc *acpi_desc;
 	ssize_t rc = -ENXIO;
+	bool busy;
 
 	device_lock(dev);
 	nd_desc = dev_get_drvdata(dev);
-	if (nd_desc) {
-		struct acpi_nfit_desc *acpi_desc = to_acpi_desc(nd_desc);
+	if (!nd_desc) {
+		device_unlock(dev);
+		return rc;
+	}
+	acpi_desc = to_acpi_desc(nd_desc);
 
-		mutex_lock(&acpi_desc->init_mutex);
-		rc = sprintf(buf, "%d%s", acpi_desc->scrub_count,
-				acpi_desc->scrub_busy
-				&& !acpi_desc->cancel ? "+\n" : "\n");
-		mutex_unlock(&acpi_desc->init_mutex);
+	mutex_lock(&acpi_desc->init_mutex);
+	busy = test_bit(ARS_BUSY, &acpi_desc->scrub_flags)
+		&& !test_bit(ARS_CANCEL, &acpi_desc->scrub_flags);
+	rc = sprintf(buf, "%d%s", acpi_desc->scrub_count, busy ? "+\n" : "\n");
+	/* Allow an admin to poll the busy state at a higher rate */
+	if (busy && capable(CAP_SYS_RAWIO) && !test_and_set_bit(ARS_POLL,
+				&acpi_desc->scrub_flags)) {
+		acpi_desc->scrub_tmo = 1;
+		mod_delayed_work(nfit_wq, &acpi_desc->dwork, HZ);
 	}
+
+	mutex_unlock(&acpi_desc->init_mutex);
 	device_unlock(dev);
 	return rc;
 }
@@ -2529,7 +2540,10 @@ static int ars_start(struct acpi_nfit_desc *acpi_desc,
 
 	if (rc < 0)
 		return rc;
-	return cmd_rc;
+	if (cmd_rc < 0)
+		return cmd_rc;
+	set_bit(ARS_VALID, &acpi_desc->scrub_flags);
+	return 0;
 }
 
 static int ars_continue(struct acpi_nfit_desc *acpi_desc)
@@ -2539,11 +2553,11 @@ static int ars_continue(struct acpi_nfit_desc *acpi_desc)
 	struct nvdimm_bus_descriptor *nd_desc = &acpi_desc->nd_desc;
 	struct nd_cmd_ars_status *ars_status = acpi_desc->ars_status;
 
-	memset(&ars_start, 0, sizeof(ars_start));
-	ars_start.address = ars_status->restart_address;
-	ars_start.length = ars_status->restart_length;
-	ars_start.type = ars_status->type;
-	ars_start.flags = acpi_desc->ars_start_flags;
+	ars_start = (struct nd_cmd_ars_start) {
+		.address = ars_status->restart_address,
+		.length = ars_status->restart_length,
+		.type = ars_status->type,
+	};
 	rc = nd_desc->ndctl(nd_desc, NULL, ND_CMD_ARS_START, &ars_start,
 			sizeof(ars_start), &cmd_rc);
 	if (rc < 0)
@@ -2622,6 +2636,17 @@ static int ars_status_process_records(struct acpi_nfit_desc *acpi_desc)
 	 */
 	if (ars_status->out_length < 44)
 		return 0;
+
+	/*
+	 * Ignore potentially stale results that are only refreshed
+	 * after a start-ARS event.
+	 */
+	if (!test_and_clear_bit(ARS_VALID, &acpi_desc->scrub_flags)) {
+		dev_dbg(acpi_desc->dev, "skip %d stale records\n",
+				ars_status->num_records);
+		return 0;
+	}
+
 	for (i = 0; i < ars_status->num_records; i++) {
 		/* only process full records */
 		if (ars_status->out_length
@@ -2960,7 +2985,7 @@ static unsigned int __acpi_nfit_scrub(struct acpi_nfit_desc *acpi_desc,
 
 	lockdep_assert_held(&acpi_desc->init_mutex);
 
-	if (acpi_desc->cancel)
+	if (test_bit(ARS_CANCEL, &acpi_desc->scrub_flags))
 		return 0;
 
 	if (query_rc == -EBUSY) {
@@ -3034,7 +3059,7 @@ static void __sched_ars(struct acpi_nfit_desc *acpi_desc, unsigned int tmo)
 {
 	lockdep_assert_held(&acpi_desc->init_mutex);
 
-	acpi_desc->scrub_busy = 1;
+	set_bit(ARS_BUSY, &acpi_desc->scrub_flags);
 	/* note this should only be set from within the workqueue */
 	if (tmo)
 		acpi_desc->scrub_tmo = tmo;
@@ -3050,7 +3075,7 @@ static void notify_ars_done(struct acpi_nfit_desc *acpi_desc)
 {
 	lockdep_assert_held(&acpi_desc->init_mutex);
 
-	acpi_desc->scrub_busy = 0;
+	clear_bit(ARS_BUSY, &acpi_desc->scrub_flags);
 	acpi_desc->scrub_count++;
 	if (acpi_desc->scrub_count_state)
 		sysfs_notify_dirent(acpi_desc->scrub_count_state);
@@ -3071,6 +3096,7 @@ static void acpi_nfit_scrub(struct work_struct *work)
 	else
 		notify_ars_done(acpi_desc);
 	memset(acpi_desc->ars_status, 0, acpi_desc->max_ars);
+	clear_bit(ARS_POLL, &acpi_desc->scrub_flags);
 	mutex_unlock(&acpi_desc->init_mutex);
 }
 
@@ -3105,6 +3131,7 @@ static int acpi_nfit_register_regions(struct acpi_nfit_desc *acpi_desc)
 	struct nfit_spa *nfit_spa;
 	int rc;
 
+	set_bit(ARS_VALID, &acpi_desc->scrub_flags);
 	list_for_each_entry(nfit_spa, &acpi_desc->spas, list) {
 		switch (nfit_spa_type(nfit_spa->spa)) {
 		case NFIT_SPA_VOLATILE:
@@ -3322,7 +3349,7 @@ int acpi_nfit_ars_rescan(struct acpi_nfit_desc *acpi_desc,
 	struct nfit_spa *nfit_spa;
 
 	mutex_lock(&acpi_desc->init_mutex);
-	if (acpi_desc->cancel) {
+	if (test_bit(ARS_CANCEL, &acpi_desc->scrub_flags)) {
 		mutex_unlock(&acpi_desc->init_mutex);
 		return 0;
 	}
@@ -3401,7 +3428,7 @@ void acpi_nfit_shutdown(void *data)
 	mutex_unlock(&acpi_desc_lock);
 
 	mutex_lock(&acpi_desc->init_mutex);
-	acpi_desc->cancel = 1;
+	set_bit(ARS_CANCEL, &acpi_desc->scrub_flags);
 	cancel_delayed_work_sync(&acpi_desc->dwork);
 	mutex_unlock(&acpi_desc->init_mutex);
 
diff --git a/drivers/acpi/nfit/nfit.h b/drivers/acpi/nfit/nfit.h
index 02c10de50386..68848fc4b7c9 100644
--- a/drivers/acpi/nfit/nfit.h
+++ b/drivers/acpi/nfit/nfit.h
@@ -181,6 +181,13 @@ struct nfit_mem {
 	bool has_lsw;
 };
 
+enum scrub_flags {
+	ARS_BUSY,
+	ARS_CANCEL,
+	ARS_VALID,
+	ARS_POLL,
+};
+
 struct acpi_nfit_desc {
 	struct nvdimm_bus_descriptor nd_desc;
 	struct acpi_table_header acpi_header;
@@ -194,7 +201,6 @@ struct acpi_nfit_desc {
 	struct list_head idts;
 	struct nvdimm_bus *nvdimm_bus;
 	struct device *dev;
-	u8 ars_start_flags;
 	struct nd_cmd_ars_status *ars_status;
 	struct nfit_spa *scrub_spa;
 	struct delayed_work dwork;
@@ -203,8 +209,7 @@ struct acpi_nfit_desc {
 	unsigned int max_ars;
 	unsigned int scrub_count;
 	unsigned int scrub_mode;
-	unsigned int scrub_busy:1;
-	unsigned int cancel:1;
+	unsigned long scrub_flags;
 	unsigned long dimm_cmd_force_en;
 	unsigned long bus_cmd_force_en;
 	unsigned long bus_nfit_cmd_force_en;
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index d5f7a12e350e..3fb297b5fb17 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -213,6 +213,9 @@ struct ipmi_user {
 
 	/* Does this interface receive IPMI events? */
 	bool gets_events;
+
+	/* Free must run in process context for RCU cleanup. */
+	struct work_struct remove_work;
 };
 
 static struct ipmi_user *acquire_ipmi_user(struct ipmi_user *user, int *index)
@@ -1078,6 +1081,15 @@ static int intf_err_seq(struct ipmi_smi *intf,
 }
 
 
+static void free_user_work(struct work_struct *work)
+{
+	struct ipmi_user *user = container_of(work, struct ipmi_user,
+					      remove_work);
+
+	cleanup_srcu_struct(&user->release_barrier);
+	kfree(user);
+}
+
 int ipmi_create_user(unsigned int          if_num,
 		     const struct ipmi_user_hndl *handler,
 		     void                  *handler_data,
@@ -1121,6 +1133,8 @@ int ipmi_create_user(unsigned int          if_num,
 	goto out_kfree;
 
  found:
+	INIT_WORK(&new_user->remove_work, free_user_work);
+
 	rv = init_srcu_struct(&new_user->release_barrier);
 	if (rv)
 		goto out_kfree;
@@ -1183,8 +1197,9 @@ EXPORT_SYMBOL(ipmi_get_smi_info);
 static void free_user(struct kref *ref)
 {
 	struct ipmi_user *user = container_of(ref, struct ipmi_user, refcount);
-	cleanup_srcu_struct(&user->release_barrier);
-	kfree(user);
+
+	/* SRCU cleanup must happen in task context. */
+	schedule_work(&user->remove_work);
 }
 
 static void _ipmi_destroy_user(struct ipmi_user *user)
diff --git a/drivers/char/tpm/eventlog/tpm2.c b/drivers/char/tpm/eventlog/tpm2.c
index 1b8fa9de2cac..41b9f6c92da7 100644
--- a/drivers/char/tpm/eventlog/tpm2.c
+++ b/drivers/char/tpm/eventlog/tpm2.c
@@ -37,8 +37,8 @@
  *
  * Returns size of the event. If it is an invalid event, returns 0.
  */
-static int calc_tpm2_event_size(struct tcg_pcr_event2 *event,
-				struct tcg_pcr_event *event_header)
+static size_t calc_tpm2_event_size(struct tcg_pcr_event2 *event,
+				   struct tcg_pcr_event *event_header)
 {
 	struct tcg_efi_specid_event *efispecid;
 	struct tcg_event_field *event_field;
diff --git a/drivers/char/tpm/tpm_i2c_atmel.c b/drivers/char/tpm/tpm_i2c_atmel.c
index 32a8e27c5382..cc4e642d3180 100644
--- a/drivers/char/tpm/tpm_i2c_atmel.c
+++ b/drivers/char/tpm/tpm_i2c_atmel.c
@@ -69,6 +69,10 @@ static int i2c_atmel_send(struct tpm_chip *chip, u8 *buf, size_t len)
 	if (status < 0)
 		return status;
 
+	/* The upper layer does not support incomplete sends. */
+	if (status != len)
+		return -E2BIG;
+
 	return 0;
 }
 
diff --git a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
index e70a0d4d6db4..c963eec58c70 100644
--- a/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
+++ b/drivers/gpu/drm/amd/amdgpu/mmhub_v1_0.c
@@ -164,6 +164,7 @@ static void mmhub_v1_0_init_cache_regs(struct amdgpu_device *adev)
 		tmp = REG_SET_FIELD(tmp, VM_L2_CNTL3,
 				    L2_CACHE_BIGK_FRAGMENT_SIZE, 6);
 	}
+	WREG32_SOC15(MMHUB, 0, mmVM_L2_CNTL3, tmp);
 
 	tmp = mmVM_L2_CNTL4_DEFAULT;
 	tmp = REG_SET_FIELD(tmp, VM_L2_CNTL4, VMC_TAP_PDE_REQUEST_PHYSICAL, 0);
diff --git a/drivers/gpu/drm/ttm/ttm_page_alloc.c b/drivers/gpu/drm/ttm/ttm_page_alloc.c
index f841accc2c00..f77c81db161b 100644
--- a/drivers/gpu/drm/ttm/ttm_page_alloc.c
+++ b/drivers/gpu/drm/ttm/ttm_page_alloc.c
@@ -730,7 +730,8 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
 			}
 
 #ifdef CONFIG_TRANSPARENT_HUGEPAGE
-			if (!(flags & TTM_PAGE_FLAG_DMA32)) {
+			if (!(flags & TTM_PAGE_FLAG_DMA32) &&
+			    (npages - i) >= HPAGE_PMD_NR) {
 				for (j = 0; j < HPAGE_PMD_NR; ++j)
 					if (p++ != pages[i + j])
 					    break;
@@ -759,7 +760,7 @@ static void ttm_put_pages(struct page **pages, unsigned npages, int flags,
 		unsigned max_size, n2free;
 
 		spin_lock_irqsave(&huge->lock, irq_flags);
-		while (i < npages) {
+		while ((npages - i) >= HPAGE_PMD_NR) {
 			struct page *p = pages[i];
 			unsigned j;
 
diff --git a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
index 1d645c9ab417..cac262a912c1 100644
--- a/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
+++ b/drivers/hid/i2c-hid/i2c-hid-dmi-quirks.c
@@ -337,7 +337,8 @@ static const struct dmi_system_id i2c_hid_dmi_desc_override_table[] = {
 			DMI_EXACT_MATCH(DMI_PRODUCT_NAME, "FlexBook edge11 - M-FBE11"),
 		},
 		.driver_data = (void *)&sipodev_desc
-	}
+	},
+	{ }	/* Terminate list */
 };
 
 
diff --git a/drivers/iio/accel/kxcjk-1013.c b/drivers/iio/accel/kxcjk-1013.c
index 471caa5323e4..e5fdca74a630 100644
--- a/drivers/iio/accel/kxcjk-1013.c
+++ b/drivers/iio/accel/kxcjk-1013.c
@@ -1437,6 +1437,8 @@ static int kxcjk1013_resume(struct device *dev)
 
 	mutex_lock(&data->mutex);
 	ret = kxcjk1013_set_mode(data, OPERATION);
+	if (ret == 0)
+		ret = kxcjk1013_set_range(data, data->range);
 	mutex_unlock(&data->mutex);
 
 	return ret;
diff --git a/drivers/iio/adc/ad_sigma_delta.c b/drivers/iio/adc/ad_sigma_delta.c
index fc9510716ac7..ae2a5097f449 100644
--- a/drivers/iio/adc/ad_sigma_delta.c
+++ b/drivers/iio/adc/ad_sigma_delta.c
@@ -121,6 +121,7 @@ static int ad_sd_read_reg_raw(struct ad_sigma_delta *sigma_delta,
 	if (sigma_delta->info->has_registers) {
 		data[0] = reg << sigma_delta->info->addr_shift;
 		data[0] |= sigma_delta->info->read_mask;
+		data[0] |= sigma_delta->comm;
 		spi_message_add_tail(&t[0], &m);
 	}
 	spi_message_add_tail(&t[1], &m);
diff --git a/drivers/iio/adc/at91_adc.c b/drivers/iio/adc/at91_adc.c
index 75d2f73582a3..596841a3c4db 100644
--- a/drivers/iio/adc/at91_adc.c
+++ b/drivers/iio/adc/at91_adc.c
@@ -704,23 +704,29 @@ static int at91_adc_read_raw(struct iio_dev *idev,
 		ret = wait_event_interruptible_timeout(st->wq_data_avail,
 						       st->done,
 						       msecs_to_jiffies(1000));
-		if (ret == 0)
-			ret = -ETIMEDOUT;
-		if (ret < 0) {
-			mutex_unlock(&st->lock);
-			return ret;
-		}
-
-		*val = st->last_value;
 
+		/* Disable interrupts, regardless if adc conversion was
+		 * successful or not
+		 */
 		at91_adc_writel(st, AT91_ADC_CHDR,
 				AT91_ADC_CH(chan->channel));
 		at91_adc_writel(st, AT91_ADC_IDR, BIT(chan->channel));
 
-		st->last_value = 0;
-		st->done = false;
+		if (ret > 0) {
+			/* a valid conversion took place */
+			*val = st->last_value;
+			st->last_value = 0;
+			st->done = false;
+			ret = IIO_VAL_INT;
+		} else if (ret == 0) {
+			/* conversion timeout */
+			dev_err(&idev->dev, "ADC Channel %d timeout.\n",
+				chan->channel);
+			ret = -ETIMEDOUT;
+		}
+
 		mutex_unlock(&st->lock);
-		return IIO_VAL_INT;
+		return ret;
 
 	case IIO_CHAN_INFO_SCALE:
 		*val = st->vref_mv;
diff --git a/drivers/iio/chemical/bme680.h b/drivers/iio/chemical/bme680.h
index e049323f209a..71dd635fce2d 100644
--- a/drivers/iio/chemical/bme680.h
+++ b/drivers/iio/chemical/bme680.h
@@ -2,11 +2,9 @@
 #ifndef BME680_H_
 #define BME680_H_
 
-#define BME680_REG_CHIP_I2C_ID			0xD0
-#define BME680_REG_CHIP_SPI_ID			0x50
+#define BME680_REG_CHIP_ID			0xD0
 #define BME680_CHIP_ID_VAL			0x61
-#define BME680_REG_SOFT_RESET_I2C		0xE0
-#define BME680_REG_SOFT_RESET_SPI		0x60
+#define BME680_REG_SOFT_RESET			0xE0
 #define BME680_CMD_SOFTRESET			0xB6
 #define BME680_REG_STATUS			0x73
 #define   BME680_SPI_MEM_PAGE_BIT		BIT(4)
diff --git a/drivers/iio/chemical/bme680_core.c b/drivers/iio/chemical/bme680_core.c
index 7d9bb62baa3f..b2db59812755 100644
--- a/drivers/iio/chemical/bme680_core.c
+++ b/drivers/iio/chemical/bme680_core.c
@@ -63,9 +63,23 @@ struct bme680_data {
 	s32 t_fine;
 };
 
+static const struct regmap_range bme680_volatile_ranges[] = {
+	regmap_reg_range(BME680_REG_MEAS_STAT_0, BME680_REG_GAS_R_LSB),
+	regmap_reg_range(BME680_REG_STATUS, BME680_REG_STATUS),
+	regmap_reg_range(BME680_T2_LSB_REG, BME680_GH3_REG),
+};
+
+static const struct regmap_access_table bme680_volatile_table = {
+	.yes_ranges	= bme680_volatile_ranges,
+	.n_yes_ranges	= ARRAY_SIZE(bme680_volatile_ranges),
+};
+
 const struct regmap_config bme680_regmap_config = {
 	.reg_bits = 8,
 	.val_bits = 8,
+	.max_register = 0xef,
+	.volatile_table = &bme680_volatile_table,
+	.cache_type = REGCACHE_RBTREE,
 };
 EXPORT_SYMBOL(bme680_regmap_config);
 
@@ -330,6 +344,10 @@ static s16 bme680_compensate_temp(struct bme680_data *data,
 	s64 var1, var2, var3;
 	s16 calc_temp;
 
+	/* If the calibration is invalid, attempt to reload it */
+	if (!calib->par_t2)
+		bme680_read_calib(data, calib);
+
 	var1 = (adc_temp >> 3) - (calib->par_t1 << 1);
 	var2 = (var1 * calib->par_t2) >> 11;
 	var3 = ((var1 >> 1) * (var1 >> 1)) >> 12;
@@ -591,8 +609,7 @@ static int bme680_gas_config(struct bme680_data *data)
 	return ret;
 }
 
-static int bme680_read_temp(struct bme680_data *data,
-			    int *val, int *val2)
+static int bme680_read_temp(struct bme680_data *data, int *val)
 {
 	struct device *dev = regmap_get_device(data->regmap);
 	int ret;
@@ -625,10 +642,9 @@ static int bme680_read_temp(struct bme680_data *data,
 	 * compensate_press/compensate_humid to get compensated
 	 * pressure/humidity readings.
 	 */
-	if (val && val2) {
-		*val = comp_temp;
-		*val2 = 100;
-		return IIO_VAL_FRACTIONAL;
+	if (val) {
+		*val = comp_temp * 10; /* Centidegrees to millidegrees */
+		return IIO_VAL_INT;
 	}
 
 	return ret;
@@ -643,7 +659,7 @@ static int bme680_read_press(struct bme680_data *data,
 	s32 adc_press;
 
 	/* Read and compensate temperature to get a reading of t_fine */
-	ret = bme680_read_temp(data, NULL, NULL);
+	ret = bme680_read_temp(data, NULL);
 	if (ret < 0)
 		return ret;
 
@@ -676,7 +692,7 @@ static int bme680_read_humid(struct bme680_data *data,
 	u32 comp_humidity;
 
 	/* Read and compensate temperature to get a reading of t_fine */
-	ret = bme680_read_temp(data, NULL, NULL);
+	ret = bme680_read_temp(data, NULL);
 	if (ret < 0)
 		return ret;
 
@@ -769,7 +785,7 @@ static int bme680_read_raw(struct iio_dev *indio_dev,
 	case IIO_CHAN_INFO_PROCESSED:
 		switch (chan->type) {
 		case IIO_TEMP:
-			return bme680_read_temp(data, val, val2);
+			return bme680_read_temp(data, val);
 		case IIO_PRESSURE:
 			return bme680_read_press(data, val, val2);
 		case IIO_HUMIDITYRELATIVE:
@@ -905,8 +921,28 @@ int bme680_core_probe(struct device *dev, struct regmap *regmap,
 {
 	struct iio_dev *indio_dev;
 	struct bme680_data *data;
+	unsigned int val;
 	int ret;
 
+	ret = regmap_write(regmap, BME680_REG_SOFT_RESET,
+			   BME680_CMD_SOFTRESET);
+	if (ret < 0) {
+		dev_err(dev, "Failed to reset chip\n");
+		return ret;
+	}
+
+	ret = regmap_read(regmap, BME680_REG_CHIP_ID, &val);
+	if (ret < 0) {
+		dev_err(dev, "Error reading chip ID\n");
+		return ret;
+	}
+
+	if (val != BME680_CHIP_ID_VAL) {
+		dev_err(dev, "Wrong chip ID, got %x expected %x\n",
+				val, BME680_CHIP_ID_VAL);
+		return -ENODEV;
+	}
+
 	indio_dev = devm_iio_device_alloc(dev, sizeof(*data));
 	if (!indio_dev)
 		return -ENOMEM;
diff --git a/drivers/iio/chemical/bme680_i2c.c b/drivers/iio/chemical/bme680_i2c.c
index 06d4be539d2e..cfc4449edf1b 100644
--- a/drivers/iio/chemical/bme680_i2c.c
+++ b/drivers/iio/chemical/bme680_i2c.c
@@ -23,8 +23,6 @@ static int bme680_i2c_probe(struct i2c_client *client,
 {
 	struct regmap *regmap;
 	const char *name = NULL;
-	unsigned int val;
-	int ret;
 
 	regmap = devm_regmap_init_i2c(client, &bme680_regmap_config);
 	if (IS_ERR(regmap)) {
@@ -33,25 +31,6 @@ static int bme680_i2c_probe(struct i2c_client *client,
 		return PTR_ERR(regmap);
 	}
 
-	ret = regmap_write(regmap, BME680_REG_SOFT_RESET_I2C,
-			   BME680_CMD_SOFTRESET);
-	if (ret < 0) {
-		dev_err(&client->dev, "Failed to reset chip\n");
-		return ret;
-	}
-
-	ret = regmap_read(regmap, BME680_REG_CHIP_I2C_ID, &val);
-	if (ret < 0) {
-		dev_err(&client->dev, "Error reading I2C chip ID\n");
-		return ret;
-	}
-
-	if (val != BME680_CHIP_ID_VAL) {
-		dev_err(&client->dev, "Wrong chip ID, got %x expected %x\n",
-				val, BME680_CHIP_ID_VAL);
-		return -ENODEV;
-	}
-
 	if (id)
 		name = id->name;
 
diff --git a/drivers/iio/chemical/bme680_spi.c b/drivers/iio/chemical/bme680_spi.c
index c9fb05e8d0b9..881778e55d38 100644
--- a/drivers/iio/chemical/bme680_spi.c
+++ b/drivers/iio/chemical/bme680_spi.c
@@ -11,28 +11,93 @@
 
 #include "bme680.h"
 
+struct bme680_spi_bus_context {
+	struct spi_device *spi;
+	u8 current_page;
+};
+
+/*
+ * In SPI mode there are only 7 address bits, a "page" register determines
+ * which part of the 8-bit range is active. This function looks at the address
+ * and writes the page selection bit if needed
+ */
+static int bme680_regmap_spi_select_page(
+	struct bme680_spi_bus_context *ctx, u8 reg)
+{
+	struct spi_device *spi = ctx->spi;
+	int ret;
+	u8 buf[2];
+	u8 page = (reg & 0x80) ? 0 : 1; /* Page "1" is low range */
+
+	if (page == ctx->current_page)
+		return 0;
+
+	/*
+	 * Data sheet claims we're only allowed to change bit 4, so we must do
+	 * a read-modify-write on each and every page select
+	 */
+	buf[0] = BME680_REG_STATUS;
+	ret = spi_write_then_read(spi, buf, 1, buf + 1, 1);
+	if (ret < 0) {
+		dev_err(&spi->dev, "failed to set page %u\n", page);
+		return ret;
+	}
+
+	buf[0] = BME680_REG_STATUS;
+	if (page)
+		buf[1] |= BME680_SPI_MEM_PAGE_BIT;
+	else
+		buf[1] &= ~BME680_SPI_MEM_PAGE_BIT;
+
+	ret = spi_write(spi, buf, 2);
+	if (ret < 0) {
+		dev_err(&spi->dev, "failed to set page %u\n", page);
+		return ret;
+	}
+
+	ctx->current_page = page;
+
+	return 0;
+}
+
 static int bme680_regmap_spi_write(void *context, const void *data,
 				   size_t count)
 {
-	struct spi_device *spi = context;
+	struct bme680_spi_bus_context *ctx = context;
+	struct spi_device *spi = ctx->spi;
+	int ret;
 	u8 buf[2];
 
 	memcpy(buf, data, 2);
+
+	ret = bme680_regmap_spi_select_page(ctx, buf[0]);
+	if (ret)
+		return ret;
+
 	/*
 	 * The SPI register address (= full register address without bit 7)
 	 * and the write command (bit7 = RW = '0')
 	 */
 	buf[0] &= ~0x80;
 
-	return spi_write_then_read(spi, buf, 2, NULL, 0);
+	return spi_write(spi, buf, 2);
 }
 
 static int bme680_regmap_spi_read(void *context, const void *reg,
 				  size_t reg_size, void *val, size_t val_size)
 {
-	struct spi_device *spi = context;
+	struct bme680_spi_bus_context *ctx = context;
+	struct spi_device *spi = ctx->spi;
+	int ret;
+	u8 addr = *(const u8 *)reg;
+
+	ret = bme680_regmap_spi_select_page(ctx, addr);
+	if (ret)
+		return ret;
 
-	return spi_write_then_read(spi, reg, reg_size, val, val_size);
+	addr |= 0x80; /* bit7 = RW = '1' */
+
+	return spi_write_then_read(spi, &addr, 1, val, val_size);
 }
 
 static struct regmap_bus bme680_regmap_bus = {
@@ -45,8 +110,8 @@ static struct regmap_bus bme680_regmap_bus = {
 static int bme680_spi_probe(struct spi_device *spi)
 {
 	const struct spi_device_id *id = spi_get_device_id(spi);
+	struct bme680_spi_bus_context *bus_context;
 	struct regmap *regmap;
-	unsigned int val;
 	int ret;
 
 	spi->bits_per_word = 8;
@@ -56,45 +121,21 @@ static int bme680_spi_probe(struct spi_device *spi)
 		return ret;
 	}
 
+	bus_context = devm_kzalloc(&spi->dev, sizeof(*bus_context), GFP_KERNEL);
+	if (!bus_context)
+		return -ENOMEM;
+
+	bus_context->spi = spi;
+	bus_context->current_page = 0xff; /* Undefined on warm boot */
+
 	regmap = devm_regmap_init(&spi->dev, &bme680_regmap_bus,
-				  &spi->dev, &bme680_regmap_config);
+				  bus_context, &bme680_regmap_config);
 	if (IS_ERR(regmap)) {
 		dev_err(&spi->dev, "Failed to register spi regmap %d\n",
 				(int)PTR_ERR(regmap));
 		return PTR_ERR(regmap);
 	}
 
-	ret = regmap_write(regmap, BME680_REG_SOFT_RESET_SPI,
-			   BME680_CMD_SOFTRESET);
-	if (ret < 0) {
-		dev_err(&spi->dev, "Failed to reset chip\n");
-		return ret;
-	}
-
-	/* after power-on reset, Page 0(0x80-0xFF) of spi_mem_page is active */
-	ret = regmap_read(regmap, BME680_REG_CHIP_SPI_ID, &val);
-	if (ret < 0) {
-		dev_err(&spi->dev, "Error reading SPI chip ID\n");
-		return ret;
-	}
-
-	if (val != BME680_CHIP_ID_VAL) {
-		dev_err(&spi->dev, "Wrong chip ID, got %x expected %x\n",
-				val, BME680_CHIP_ID_VAL);
-		return -ENODEV;
-	}
-	/*
-	 * select Page 1 of spi_mem_page to enable access to
-	 * to registers from address 0x00 to 0x7F.
-	 */
-	ret = regmap_write_bits(regmap, BME680_REG_STATUS,
-				BME680_SPI_MEM_PAGE_BIT,
-				BME680_SPI_MEM_PAGE_1_VAL);
-	if (ret < 0) {
-		dev_err(&spi->dev, "failed to set page 1 of spi_mem_page\n");
-		return ret;
-	}
-
 	return bme680_core_probe(&spi->dev, regmap, id->name);
 }
 
diff --git a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
index 89cb0066a6e0..8d76afb87d87 100644
--- a/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
+++ b/drivers/iio/common/cros_ec_sensors/cros_ec_sensors.c
@@ -103,9 +103,10 @@ static int cros_ec_sensors_read(struct iio_dev *indio_dev,
 			 * Do not use IIO_DEGREE_TO_RAD to avoid precision
 			 * loss. Round to the nearest integer.
 			 */
-			*val = div_s64(val64 * 314159 + 9000000ULL, 1000);
-			*val2 = 18000 << (CROS_EC_SENSOR_BITS - 1);
-			ret = IIO_VAL_FRACTIONAL;
+			*val = 0;
+			*val2 = div_s64(val64 * 3141592653ULL,
+					180 << (CROS_EC_SENSOR_BITS - 1));
+			ret = IIO_VAL_INT_PLUS_NANO;
 			break;
 		case MOTIONSENSE_TYPE_MAG:
 			/*
diff --git a/drivers/iio/dac/mcp4725.c b/drivers/iio/dac/mcp4725.c
index 8b5aad4c32d9..30dc2775cbfb 100644
--- a/drivers/iio/dac/mcp4725.c
+++ b/drivers/iio/dac/mcp4725.c
@@ -98,6 +98,7 @@ static ssize_t mcp4725_store_eeprom(struct device *dev,
 
 	inoutbuf[0] = 0x60; /* write EEPROM */
 	inoutbuf[0] |= data->ref_mode << 3;
+	inoutbuf[0] |= data->powerdown ? ((data->powerdown_mode + 1) << 1) : 0;
 	inoutbuf[1] = data->dac_value >> 4;
 	inoutbuf[2] = (data->dac_value & 0xf) << 4;
 
diff --git a/drivers/iio/gyro/bmg160_core.c b/drivers/iio/gyro/bmg160_core.c
index 63ca31628a93..92c07ab826eb 100644
--- a/drivers/iio/gyro/bmg160_core.c
+++ b/drivers/iio/gyro/bmg160_core.c
@@ -582,11 +582,10 @@ static int bmg160_read_raw(struct iio_dev *indio_dev,
 	case IIO_CHAN_INFO_LOW_PASS_FILTER_3DB_FREQUENCY:
 		return bmg160_get_filter(data, val);
 	case IIO_CHAN_INFO_SCALE:
-		*val = 0;
 		switch (chan->type) {
 		case IIO_TEMP:
-			*val2 = 500000;
-			return IIO_VAL_INT_PLUS_MICRO;
+			*val = 500;
+			return IIO_VAL_INT;
 		case IIO_ANGL_VEL:
 		{
 			int i;
@@ -594,6 +593,7 @@ static int bmg160_read_raw(struct iio_dev *indio_dev,
 			for (i = 0; i < ARRAY_SIZE(bmg160_scale_table); ++i) {
 				if (bmg160_scale_table[i].dps_range ==
 							data->dps_range) {
+					*val = 0;
 					*val2 = bmg160_scale_table[i].scale;
 					return IIO_VAL_INT_PLUS_MICRO;
 				}
diff --git a/drivers/iio/gyro/mpu3050-core.c b/drivers/iio/gyro/mpu3050-core.c
index 77fac81a3adc..5ddebede31a6 100644
--- a/drivers/iio/gyro/mpu3050-core.c
+++ b/drivers/iio/gyro/mpu3050-core.c
@@ -29,7 +29,8 @@
 
 #include "mpu3050.h"
 
-#define MPU3050_CHIP_ID		0x69
+#define MPU3050_CHIP_ID		0x68
+#define MPU3050_CHIP_ID_MASK	0x7E
 
 /*
  * Register map: anything suffixed *_H is a big-endian high byte and always
@@ -1176,8 +1177,9 @@ int mpu3050_common_probe(struct device *dev,
 		goto err_power_down;
 	}
 
-	if (val != MPU3050_CHIP_ID) {
-		dev_err(dev, "unsupported chip id %02x\n", (u8)val);
+	if ((val & MPU3050_CHIP_ID_MASK) != MPU3050_CHIP_ID) {
+		dev_err(dev, "unsupported chip id %02x\n",
+				(u8)(val & MPU3050_CHIP_ID_MASK));
 		ret = -ENODEV;
 		goto err_power_down;
 	}
diff --git a/drivers/iio/industrialio-buffer.c b/drivers/iio/industrialio-buffer.c
index cd5bfe39591b..dadd921a4a30 100644
--- a/drivers/iio/industrialio-buffer.c
+++ b/drivers/iio/industrialio-buffer.c
@@ -320,9 +320,8 @@ static int iio_scan_mask_set(struct iio_dev *indio_dev,
 	const unsigned long *mask;
 	unsigned long *trialmask;
 
-	trialmask = kmalloc_array(BITS_TO_LONGS(indio_dev->masklength),
-				  sizeof(*trialmask),
-				  GFP_KERNEL);
+	trialmask = kcalloc(BITS_TO_LONGS(indio_dev->masklength),
+			    sizeof(*trialmask), GFP_KERNEL);
 	if (trialmask == NULL)
 		return -ENOMEM;
 	if (!indio_dev->masklength) {
diff --git a/drivers/iio/industrialio-core.c b/drivers/iio/industrialio-core.c
index a062cfddc5af..49d4b4f1a457 100644
--- a/drivers/iio/industrialio-core.c
+++ b/drivers/iio/industrialio-core.c
@@ -1735,10 +1735,10 @@ EXPORT_SYMBOL(__iio_device_register);
  **/
 void iio_device_unregister(struct iio_dev *indio_dev)
 {
-	mutex_lock(&indio_dev->info_exist_lock);
-
 	cdev_device_del(&indio_dev->chrdev, &indio_dev->dev);
 
+	mutex_lock(&indio_dev->info_exist_lock);
+
 	iio_device_unregister_debugfs(indio_dev);
 
 	iio_disable_all_buffers(indio_dev);
diff --git a/drivers/input/mouse/elan_i2c_core.c b/drivers/input/mouse/elan_i2c_core.c
index 628ef617bb2f..f9525d6f0bfe 100644
--- a/drivers/input/mouse/elan_i2c_core.c
+++ b/drivers/input/mouse/elan_i2c_core.c
@@ -1339,21 +1339,46 @@ static const struct acpi_device_id elan_acpi_id[] = {
 	{ "ELAN0600", 0 },
 	{ "ELAN0601", 0 },
 	{ "ELAN0602", 0 },
+	{ "ELAN0603", 0 },
+	{ "ELAN0604", 0 },
 	{ "ELAN0605", 0 },
+	{ "ELAN0606", 0 },
+	{ "ELAN0607", 0 },
 	{ "ELAN0608", 0 },
 	{ "ELAN0609", 0 },
 	{ "ELAN060B", 0 },
 	{ "ELAN060C", 0 },
+	{ "ELAN060F", 0 },
+	{ "ELAN0610", 0 },
 	{ "ELAN0611", 0 },
 	{ "ELAN0612", 0 },
+	{ "ELAN0615", 0 },
+	{ "ELAN0616", 0 },
 	{ "ELAN0617", 0 },
 	{ "ELAN0618", 0 },
+	{ "ELAN0619", 0 },
+	{ "ELAN061A", 0 },
+	{ "ELAN061B", 0 },
 	{ "ELAN061C", 0 },
 	{ "ELAN061D", 0 },
 	{ "ELAN061E", 0 },
+	{ "ELAN061F", 0 },
 	{ "ELAN0620", 0 },
 	{ "ELAN0621", 0 },
 	{ "ELAN0622", 0 },
+	{ "ELAN0623", 0 },
+	{ "ELAN0624", 0 },
+	{ "ELAN0625", 0 },
+	{ "ELAN0626", 0 },
+	{ "ELAN0627", 0 },
+	{ "ELAN0628", 0 },
+	{ "ELAN0629", 0 },
+	{ "ELAN062A", 0 },
+	{ "ELAN062B", 0 },
+	{ "ELAN062C", 0 },
+	{ "ELAN062D", 0 },
+	{ "ELAN0631", 0 },
+	{ "ELAN0632", 0 },
 	{ "ELAN1000", 0 },
 	{ }
 };
diff --git a/drivers/mmc/host/sdhci-esdhc-imx.c b/drivers/mmc/host/sdhci-esdhc-imx.c
index 8dae12b841b3..629860f7327c 100644
--- a/drivers/mmc/host/sdhci-esdhc-imx.c
+++ b/drivers/mmc/host/sdhci-esdhc-imx.c
@@ -429,7 +429,7 @@ static u16 esdhc_readw_le(struct sdhci_host *host, int reg)
 				val = readl(host->ioaddr + ESDHC_MIX_CTRL);
 			else if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING)
 				/* the std tuning bits is in ACMD12_ERR for imx6sl */
-				val = readl(host->ioaddr + SDHCI_ACMD12_ERR);
+				val = readl(host->ioaddr + SDHCI_AUTO_CMD_STATUS);
 		}
 
 		if (val & ESDHC_MIX_CTRL_EXE_TUNE)
@@ -494,7 +494,7 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
 			}
 			writel(new_val , host->ioaddr + ESDHC_MIX_CTRL);
 		} else if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) {
-			u32 v = readl(host->ioaddr + SDHCI_ACMD12_ERR);
+			u32 v = readl(host->ioaddr + SDHCI_AUTO_CMD_STATUS);
 			u32 m = readl(host->ioaddr + ESDHC_MIX_CTRL);
 			if (val & SDHCI_CTRL_TUNED_CLK) {
 				v |= ESDHC_MIX_CTRL_SMPCLK_SEL;
@@ -512,7 +512,7 @@ static void esdhc_writew_le(struct sdhci_host *host, u16 val, int reg)
 				v &= ~ESDHC_MIX_CTRL_EXE_TUNE;
 			}
 
-			writel(v, host->ioaddr + SDHCI_ACMD12_ERR);
+			writel(v, host->ioaddr + SDHCI_AUTO_CMD_STATUS);
 			writel(m, host->ioaddr + ESDHC_MIX_CTRL);
 		}
 		return;
@@ -957,9 +957,9 @@ static void esdhc_reset_tuning(struct sdhci_host *host)
 			writel(ctrl, host->ioaddr + ESDHC_MIX_CTRL);
 			writel(0, host->ioaddr + ESDHC_TUNE_CTRL_STATUS);
 		} else if (imx_data->socdata->flags & ESDHC_FLAG_STD_TUNING) {
-			ctrl = readl(host->ioaddr + SDHCI_ACMD12_ERR);
+			ctrl = readl(host->ioaddr + SDHCI_AUTO_CMD_STATUS);
 			ctrl &= ~ESDHC_MIX_CTRL_SMPCLK_SEL;
-			writel(ctrl, host->ioaddr + SDHCI_ACMD12_ERR);
+			writel(ctrl, host->ioaddr + SDHCI_AUTO_CMD_STATUS);
 		}
 	}
 }
@@ -1319,7 +1319,7 @@ static int sdhci_esdhc_imx_probe(struct platform_device *pdev)
 
 		/* clear tuning bits in case ROM has set it already */
 		writel(0x0, host->ioaddr + ESDHC_MIX_CTRL);
-		writel(0x0, host->ioaddr + SDHCI_ACMD12_ERR);
+		writel(0x0, host->ioaddr + SDHCI_AUTO_CMD_STATUS);
 		writel(0x0, host->ioaddr + ESDHC_TUNE_CTRL_STATUS);
 	}
 
diff --git a/drivers/mmc/host/sdhci.c b/drivers/mmc/host/sdhci.c
index 654051e00117..c749d3dc1d36 100644
--- a/drivers/mmc/host/sdhci.c
+++ b/drivers/mmc/host/sdhci.c
@@ -82,8 +82,8 @@ void sdhci_dumpregs(struct sdhci_host *host)
 	SDHCI_DUMP("Int enab:  0x%08x | Sig enab: 0x%08x\n",
 		   sdhci_readl(host, SDHCI_INT_ENABLE),
 		   sdhci_readl(host, SDHCI_SIGNAL_ENABLE));
-	SDHCI_DUMP("AC12 err:  0x%08x | Slot int: 0x%08x\n",
-		   sdhci_readw(host, SDHCI_ACMD12_ERR),
+	SDHCI_DUMP("ACmd stat: 0x%08x | Slot int: 0x%08x\n",
+		   sdhci_readw(host, SDHCI_AUTO_CMD_STATUS),
 		   sdhci_readw(host, SDHCI_SLOT_INT_STATUS));
 	SDHCI_DUMP("Caps:      0x%08x | Caps_1:   0x%08x\n",
 		   sdhci_readl(host, SDHCI_CAPABILITIES),
@@ -841,6 +841,11 @@ static void sdhci_set_transfer_irqs(struct sdhci_host *host)
 	else
 		host->ier = (host->ier & ~dma_irqs) | pio_irqs;
 
+	if (host->flags & (SDHCI_AUTO_CMD23 | SDHCI_AUTO_CMD12))
+		host->ier |= SDHCI_INT_AUTO_CMD_ERR;
+	else
+		host->ier &= ~SDHCI_INT_AUTO_CMD_ERR;
+
 	sdhci_writel(host, host->ier, SDHCI_INT_ENABLE);
 	sdhci_writel(host, host->ier, SDHCI_SIGNAL_ENABLE);
 }
@@ -1078,8 +1083,7 @@ static bool sdhci_needs_reset(struct sdhci_host *host, struct mmc_request *mrq)
 	return (!(host->flags & SDHCI_DEVICE_DEAD) &&
 		((mrq->cmd && mrq->cmd->error) ||
 		 (mrq->sbc && mrq->sbc->error) ||
-		 (mrq->data && ((mrq->data->error && !mrq->data->stop) ||
-				(mrq->data->stop && mrq->data->stop->error))) ||
+		 (mrq->data && mrq->data->stop && mrq->data->stop->error) ||
 		 (host->quirks & SDHCI_QUIRK_RESET_AFTER_REQUEST)));
 }
 
@@ -1131,6 +1135,16 @@ static void sdhci_finish_data(struct sdhci_host *host)
 	host->data = NULL;
 	host->data_cmd = NULL;
 
+	/*
+	 * The controller needs a reset of internal state machines upon error
+	 * conditions.
+	 */
+	if (data->error) {
+		if (!host->cmd || host->cmd == data_cmd)
+			sdhci_do_reset(host, SDHCI_RESET_CMD);
+		sdhci_do_reset(host, SDHCI_RESET_DATA);
+	}
+
 	if ((host->flags & (SDHCI_REQ_USE_DMA | SDHCI_USE_ADMA)) ==
 	    (SDHCI_REQ_USE_DMA | SDHCI_USE_ADMA))
 		sdhci_adma_table_post(host, data);
@@ -1155,17 +1169,6 @@ static void sdhci_finish_data(struct sdhci_host *host)
 	if (data->stop &&
 	    (data->error ||
 	     !data->mrq->sbc)) {
-
-		/*
-		 * The controller needs a reset of internal state machines
-		 * upon error conditions.
-		 */
-		if (data->error) {
-			if (!host->cmd || host->cmd == data_cmd)
-				sdhci_do_reset(host, SDHCI_RESET_CMD);
-			sdhci_do_reset(host, SDHCI_RESET_DATA);
-		}
-
 		/*
 		 * 'cap_cmd_during_tfr' request must not use the command line
 		 * after mmc_command_done() has been called. It is upper layer's
@@ -2642,8 +2645,23 @@ static void sdhci_timeout_data_timer(struct timer_list *t)
  *                                                                           *
 \*****************************************************************************/
 
-static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
+static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask, u32 *intmask_p)
 {
+	/* Handle auto-CMD12 error */
+	if (intmask & SDHCI_INT_AUTO_CMD_ERR && host->data_cmd) {
+		struct mmc_request *mrq = host->data_cmd->mrq;
+		u16 auto_cmd_status = sdhci_readw(host, SDHCI_AUTO_CMD_STATUS);
+		int data_err_bit = (auto_cmd_status & SDHCI_AUTO_CMD_TIMEOUT) ?
+				   SDHCI_INT_DATA_TIMEOUT :
+				   SDHCI_INT_DATA_CRC;
+
+		/* Treat auto-CMD12 error the same as data error */
+		if (!mrq->sbc && (host->flags & SDHCI_AUTO_CMD12)) {
+			*intmask_p |= data_err_bit;
+			return;
+		}
+	}
+
 	if (!host->cmd) {
 		/*
 		 * SDHCI recovers from errors by resetting the cmd and data
@@ -2665,20 +2683,12 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
 		else
 			host->cmd->error = -EILSEQ;
 
-		/*
-		 * If this command initiates a data phase and a response
-		 * CRC error is signalled, the card can start transferring
-		 * data - the card may have received the command without
-		 * error.  We must not terminate the mmc_request early.
-		 *
-		 * If the card did not receive the command or returned an
-		 * error which prevented it sending data, the data phase
-		 * will time out.
-		 */
+		/* Treat data command CRC error the same as data CRC error */
 		if (host->cmd->data &&
 		    (intmask & (SDHCI_INT_CRC | SDHCI_INT_TIMEOUT)) ==
 		     SDHCI_INT_CRC) {
 			host->cmd = NULL;
+			*intmask_p |= SDHCI_INT_DATA_CRC;
 			return;
 		}
 
@@ -2686,6 +2696,21 @@ static void sdhci_cmd_irq(struct sdhci_host *host, u32 intmask)
 		return;
 	}
 
+	/* Handle auto-CMD23 error */
+	if (intmask & SDHCI_INT_AUTO_CMD_ERR) {
+		struct mmc_request *mrq = host->cmd->mrq;
+		u16 auto_cmd_status = sdhci_readw(host, SDHCI_AUTO_CMD_STATUS);
+		int err = (auto_cmd_status & SDHCI_AUTO_CMD_TIMEOUT) ?
+			  -ETIMEDOUT :
+			  -EILSEQ;
+
+		if (mrq->sbc && (host->flags & SDHCI_AUTO_CMD23)) {
+			mrq->sbc->error = err;
+			sdhci_finish_mrq(host, mrq);
+			return;
+		}
+	}
+
 	if (intmask & SDHCI_INT_RESPONSE)
 		sdhci_finish_command(host);
 }
@@ -2906,7 +2931,7 @@ static irqreturn_t sdhci_irq(int irq, void *dev_id)
 		}
 
 		if (intmask & SDHCI_INT_CMD_MASK)
-			sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK);
+			sdhci_cmd_irq(host, intmask & SDHCI_INT_CMD_MASK, &intmask);
 
 		if (intmask & SDHCI_INT_DATA_MASK)
 			sdhci_data_irq(host, intmask & SDHCI_INT_DATA_MASK);
diff --git a/drivers/mmc/host/sdhci.h b/drivers/mmc/host/sdhci.h
index f0bd36ce3817..0f8c4f3ccafc 100644
--- a/drivers/mmc/host/sdhci.h
+++ b/drivers/mmc/host/sdhci.h
@@ -144,14 +144,15 @@
 #define  SDHCI_INT_DATA_CRC	0x00200000
 #define  SDHCI_INT_DATA_END_BIT	0x00400000
 #define  SDHCI_INT_BUS_POWER	0x00800000
-#define  SDHCI_INT_ACMD12ERR	0x01000000
+#define  SDHCI_INT_AUTO_CMD_ERR	0x01000000
 #define  SDHCI_INT_ADMA_ERROR	0x02000000
 
 #define  SDHCI_INT_NORMAL_MASK	0x00007FFF
 #define  SDHCI_INT_ERROR_MASK	0xFFFF8000
 
 #define  SDHCI_INT_CMD_MASK	(SDHCI_INT_RESPONSE | SDHCI_INT_TIMEOUT | \
-		SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX)
+		SDHCI_INT_CRC | SDHCI_INT_END_BIT | SDHCI_INT_INDEX | \
+		SDHCI_INT_AUTO_CMD_ERR)
 #define  SDHCI_INT_DATA_MASK	(SDHCI_INT_DATA_END | SDHCI_INT_DMA_END | \
 		SDHCI_INT_DATA_AVAIL | SDHCI_INT_SPACE_AVAIL | \
 		SDHCI_INT_DATA_TIMEOUT | SDHCI_INT_DATA_CRC | \
@@ -166,7 +167,11 @@
 
 #define SDHCI_CQE_INT_MASK (SDHCI_CQE_INT_ERR_MASK | SDHCI_INT_CQE)
 
-#define SDHCI_ACMD12_ERR	0x3C
+#define SDHCI_AUTO_CMD_STATUS	0x3C
+#define  SDHCI_AUTO_CMD_TIMEOUT	0x00000002
+#define  SDHCI_AUTO_CMD_CRC	0x00000004
+#define  SDHCI_AUTO_CMD_END_BIT	0x00000008
+#define  SDHCI_AUTO_CMD_INDEX	0x00000010
 
 #define SDHCI_HOST_CONTROL2		0x3E
 #define  SDHCI_CTRL_UHS_MASK		0x0007
diff --git a/drivers/net/bonding/bond_main.c b/drivers/net/bonding/bond_main.c
index b2c42cae3081..091b454e83fc 100644
--- a/drivers/net/bonding/bond_main.c
+++ b/drivers/net/bonding/bond_main.c
@@ -3198,8 +3198,12 @@ static int bond_netdev_event(struct notifier_block *this,
 		return NOTIFY_DONE;
 
 	if (event_dev->flags & IFF_MASTER) {
+		int ret;
+
 		netdev_dbg(event_dev, "IFF_MASTER\n");
-		return bond_master_netdev_event(event, event_dev);
+		ret = bond_master_netdev_event(event, event_dev);
+		if (ret != NOTIFY_DONE)
+			return ret;
 	}
 
 	if (event_dev->flags & IFF_SLAVE) {
diff --git a/drivers/net/ethernet/cavium/thunder/nicvf_main.c b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
index 9800738448ec..dca02b35c231 100644
--- a/drivers/net/ethernet/cavium/thunder/nicvf_main.c
+++ b/drivers/net/ethernet/cavium/thunder/nicvf_main.c
@@ -32,6 +32,13 @@
 #define DRV_NAME	"nicvf"
 #define DRV_VERSION	"1.0"
 
+/* NOTE: Packets bigger than 1530 are split across multiple pages and XDP needs
+ * the buffer to be contiguous. Allow XDP to be set up only if we don't exceed
+ * this value, keeping headroom for the 14 byte Ethernet header and two
+ * VLAN tags (for QinQ)
+ */
+#define MAX_XDP_MTU	(1530 - ETH_HLEN - VLAN_HLEN * 2)
+
 /* Supported devices */
 static const struct pci_device_id nicvf_id_table[] = {
 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_CAVIUM,
@@ -1547,6 +1554,15 @@ static int nicvf_change_mtu(struct net_device *netdev, int new_mtu)
 	struct nicvf *nic = netdev_priv(netdev);
 	int orig_mtu = netdev->mtu;
 
+	/* For now just support only the usual MTU sized frames,
+	 * plus some headroom for VLAN, QinQ.
+	 */
+	if (nic->xdp_prog && new_mtu > MAX_XDP_MTU) {
+		netdev_warn(netdev, "Jumbo frames not yet supported with XDP, current MTU %d.\n",
+			    netdev->mtu);
+		return -EINVAL;
+	}
+
 	netdev->mtu = new_mtu;
 
 	if (!netif_running(netdev))
@@ -1795,8 +1811,10 @@ static int nicvf_xdp_setup(struct nicvf *nic, struct bpf_prog *prog)
 	bool bpf_attached = false;
 	int ret = 0;
 
-	/* For now just support only the usual MTU sized frames */
-	if (prog && (dev->mtu > 1500)) {
+	/* For now just support only the usual MTU sized frames,
+	 * plus some headroom for VLAN, QinQ.
+	 */
+	if (prog && dev->mtu > MAX_XDP_MTU) {
 		netdev_warn(dev, "Jumbo frames not yet supported with XDP, current MTU %d.\n",
 			    dev->mtu);
 		return -EOPNOTSUPP;
diff --git a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
index 8de64e88c670..22a2ef111514 100644
--- a/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/fpga/tls.c
@@ -148,14 +148,16 @@ static int mlx5_fpga_tls_alloc_swid(struct idr *idr, spinlock_t *idr_spinlock,
 	return ret;
 }
 
-static void mlx5_fpga_tls_release_swid(struct idr *idr,
-				       spinlock_t *idr_spinlock, u32 swid)
+static void *mlx5_fpga_tls_release_swid(struct idr *idr,
+					spinlock_t *idr_spinlock, u32 swid)
 {
 	unsigned long flags;
+	void *ptr;
 
 	spin_lock_irqsave(idr_spinlock, flags);
-	idr_remove(idr, swid);
+	ptr = idr_remove(idr, swid);
 	spin_unlock_irqrestore(idr_spinlock, flags);
+	return ptr;
 }
 
 static void mlx_tls_kfree_complete(struct mlx5_fpga_conn *conn,
@@ -165,20 +167,12 @@ static void mlx_tls_kfree_complete(struct mlx5_fpga_conn *conn,
 	kfree(buf);
 }
 
-struct mlx5_teardown_stream_context {
-	struct mlx5_fpga_tls_command_context cmd;
-	u32 swid;
-};
-
 static void
 mlx5_fpga_tls_teardown_completion(struct mlx5_fpga_conn *conn,
 				  struct mlx5_fpga_device *fdev,
 				  struct mlx5_fpga_tls_command_context *cmd,
 				  struct mlx5_fpga_dma_buf *resp)
 {
-	struct mlx5_teardown_stream_context *ctx =
-		    container_of(cmd, struct mlx5_teardown_stream_context, cmd);
-
 	if (resp) {
 		u32 syndrome = MLX5_GET(tls_resp, resp->sg[0].data, syndrome);
 
@@ -186,14 +180,6 @@ mlx5_fpga_tls_teardown_completion(struct mlx5_fpga_conn *conn,
 			mlx5_fpga_err(fdev,
 				      "Teardown stream failed with syndrome = %d",
 				      syndrome);
-		else if (MLX5_GET(tls_cmd, cmd->buf.sg[0].data, direction_sx))
-			mlx5_fpga_tls_release_swid(&fdev->tls->tx_idr,
-						   &fdev->tls->tx_idr_spinlock,
-						   ctx->swid);
-		else
-			mlx5_fpga_tls_release_swid(&fdev->tls->rx_idr,
-						   &fdev->tls->rx_idr_spinlock,
-						   ctx->swid);
 	}
 	mlx5_fpga_tls_put_command_ctx(cmd);
 }
@@ -217,22 +203,22 @@ int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
 	void *cmd;
 	int ret;
 
-	rcu_read_lock();
-	flow = idr_find(&mdev->fpga->tls->rx_idr, ntohl(handle));
-	rcu_read_unlock();
-
-	if (!flow) {
-		WARN_ONCE(1, "Received NULL pointer for handle\n");
-		return -EINVAL;
-	}
-
 	buf = kzalloc(size, GFP_ATOMIC);
 	if (!buf)
 		return -ENOMEM;
 
 	cmd = (buf + 1);
 
+	rcu_read_lock();
+	flow = idr_find(&mdev->fpga->tls->rx_idr, ntohl(handle));
+	if (unlikely(!flow)) {
+		rcu_read_unlock();
+		WARN_ONCE(1, "Received NULL pointer for handle\n");
+		kfree(buf);
+		return -EINVAL;
+	}
 	mlx5_fpga_tls_flow_to_cmd(flow, cmd);
+	rcu_read_unlock();
 
 	MLX5_SET(tls_cmd, cmd, swid, ntohl(handle));
 	MLX5_SET64(tls_cmd, cmd, tls_rcd_sn, be64_to_cpu(rcd_sn));
@@ -253,7 +239,7 @@ int mlx5_fpga_tls_resync_rx(struct mlx5_core_dev *mdev, u32 handle, u32 seq,
 static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev,
 					    void *flow, u32 swid, gfp_t flags)
 {
-	struct mlx5_teardown_stream_context *ctx;
+	struct mlx5_fpga_tls_command_context *ctx;
 	struct mlx5_fpga_dma_buf *buf;
 	void *cmd;
 
@@ -261,7 +247,7 @@ static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev,
 	if (!ctx)
 		return;
 
-	buf = &ctx->cmd.buf;
+	buf = &ctx->buf;
 	cmd = (ctx + 1);
 	MLX5_SET(tls_cmd, cmd, command_type, CMD_TEARDOWN_STREAM);
 	MLX5_SET(tls_cmd, cmd, swid, swid);
@@ -272,8 +258,7 @@ static void mlx5_fpga_tls_send_teardown_cmd(struct mlx5_core_dev *mdev,
 	buf->sg[0].data = cmd;
 	buf->sg[0].size = MLX5_TLS_COMMAND_SIZE;
 
-	ctx->swid = swid;
-	mlx5_fpga_tls_cmd_send(mdev->fpga, &ctx->cmd,
+	mlx5_fpga_tls_cmd_send(mdev->fpga, ctx,
 			       mlx5_fpga_tls_teardown_completion);
 }
 
@@ -283,13 +268,14 @@ void mlx5_fpga_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
 	struct mlx5_fpga_tls *tls = mdev->fpga->tls;
 	void *flow;
 
-	rcu_read_lock();
 	if (direction_sx)
-		flow = idr_find(&tls->tx_idr, swid);
+		flow = mlx5_fpga_tls_release_swid(&tls->tx_idr,
+						  &tls->tx_idr_spinlock,
+						  swid);
 	else
-		flow = idr_find(&tls->rx_idr, swid);
-
-	rcu_read_unlock();
+		flow = mlx5_fpga_tls_release_swid(&tls->rx_idr,
+						  &tls->rx_idr_spinlock,
+						  swid);
 
 	if (!flow) {
 		mlx5_fpga_err(mdev->fpga, "No flow information for swid %u\n",
@@ -297,6 +283,7 @@ void mlx5_fpga_tls_del_flow(struct mlx5_core_dev *mdev, u32 swid,
 		return;
 	}
 
+	synchronize_rcu(); /* before kfree(flow) */
 	mlx5_fpga_tls_send_teardown_cmd(mdev, flow, swid, flags);
 }
 
diff --git a/drivers/net/ethernet/netronome/nfp/flower/action.c b/drivers/net/ethernet/netronome/nfp/flower/action.c
index 7a1e9cd9cc62..777b99416062 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/action.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/action.c
@@ -80,8 +80,7 @@ nfp_fl_push_vlan(struct nfp_fl_push_vlan *push_vlan,
 
 	tmp_push_vlan_tci =
 		FIELD_PREP(NFP_FL_PUSH_VLAN_PRIO, tcf_vlan_push_prio(action)) |
-		FIELD_PREP(NFP_FL_PUSH_VLAN_VID, tcf_vlan_push_vid(action)) |
-		NFP_FL_PUSH_VLAN_CFI;
+		FIELD_PREP(NFP_FL_PUSH_VLAN_VID, tcf_vlan_push_vid(action));
 	push_vlan->vlan_tci = cpu_to_be16(tmp_push_vlan_tci);
 }
 
diff --git a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
index 325954b829c8..9b018321e24e 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
+++ b/drivers/net/ethernet/netronome/nfp/flower/cmsg.h
@@ -55,7 +55,7 @@
 #define NFP_FLOWER_LAYER2_GENEVE_OP	BIT(6)
 
 #define NFP_FLOWER_MASK_VLAN_PRIO	GENMASK(15, 13)
-#define NFP_FLOWER_MASK_VLAN_CFI	BIT(12)
+#define NFP_FLOWER_MASK_VLAN_PRESENT	BIT(12)
 #define NFP_FLOWER_MASK_VLAN_VID	GENMASK(11, 0)
 
 #define NFP_FLOWER_MASK_MPLS_LB		GENMASK(31, 12)
@@ -109,7 +109,6 @@
 #define NFP_FL_OUT_FLAGS_TYPE_IDX	GENMASK(2, 0)
 
 #define NFP_FL_PUSH_VLAN_PRIO		GENMASK(15, 13)
-#define NFP_FL_PUSH_VLAN_CFI		BIT(12)
 #define NFP_FL_PUSH_VLAN_VID		GENMASK(11, 0)
 
 /* LAG ports */
diff --git a/drivers/net/ethernet/netronome/nfp/flower/match.c b/drivers/net/ethernet/netronome/nfp/flower/match.c
index 17acb8cc6044..b99d55cf81f1 100644
--- a/drivers/net/ethernet/netronome/nfp/flower/match.c
+++ b/drivers/net/ethernet/netronome/nfp/flower/match.c
@@ -56,14 +56,12 @@ nfp_flower_compile_meta_tci(struct nfp_flower_meta_tci *frame,
 						      FLOW_DISSECTOR_KEY_VLAN,
 						      target);
 		/* Populate the tci field. */
-		if (flow_vlan->vlan_id || flow_vlan->vlan_priority) {
-			tmp_tci = FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
-					     flow_vlan->vlan_priority) |
-				  FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
-					     flow_vlan->vlan_id) |
-				  NFP_FLOWER_MASK_VLAN_CFI;
-			frame->tci = cpu_to_be16(tmp_tci);
-		}
+		tmp_tci = NFP_FLOWER_MASK_VLAN_PRESENT;
+		tmp_tci |= FIELD_PREP(NFP_FLOWER_MASK_VLAN_PRIO,
+				      flow_vlan->vlan_priority) |
+			   FIELD_PREP(NFP_FLOWER_MASK_VLAN_VID,
+				      flow_vlan->vlan_id);
+		frame->tci = cpu_to_be16(tmp_tci);
 	}
 }
 
diff --git a/drivers/net/team/team.c b/drivers/net/team/team.c
index 95ee9d815d76..e23eaf3f6d03 100644
--- a/drivers/net/team/team.c
+++ b/drivers/net/team/team.c
@@ -1250,6 +1250,23 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
 		goto err_option_port_add;
 	}
 
+	/* set promiscuity level to new slave */
+	if (dev->flags & IFF_PROMISC) {
+		err = dev_set_promiscuity(port_dev, 1);
+		if (err)
+			goto err_set_slave_promisc;
+	}
+
+	/* set allmulti level to new slave */
+	if (dev->flags & IFF_ALLMULTI) {
+		err = dev_set_allmulti(port_dev, 1);
+		if (err) {
+			if (dev->flags & IFF_PROMISC)
+				dev_set_promiscuity(port_dev, -1);
+			goto err_set_slave_promisc;
+		}
+	}
+
 	netif_addr_lock_bh(dev);
 	dev_uc_sync_multiple(port_dev, dev);
 	dev_mc_sync_multiple(port_dev, dev);
@@ -1266,6 +1283,9 @@ static int team_port_add(struct team *team, struct net_device *port_dev,
 
 	return 0;
 
+err_set_slave_promisc:
+	__team_option_inst_del_port(team, port);
+
 err_option_port_add:
 	team_upper_dev_unlink(team, port);
 
@@ -1311,6 +1331,12 @@ static int team_port_del(struct team *team, struct net_device *port_dev)
 
 	team_port_disable(team, port);
 	list_del_rcu(&port->list);
+
+	if (dev->flags & IFF_PROMISC)
+		dev_set_promiscuity(port_dev, -1);
+	if (dev->flags & IFF_ALLMULTI)
+		dev_set_allmulti(port_dev, -1);
+
 	team_upper_dev_unlink(team, port);
 	netdev_rx_handler_unregister(port_dev);
 	team_port_disable_netpoll(port);
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00.h b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
index a279a4363bc1..1d21424eae8a 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00.h
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00.h
@@ -672,7 +672,6 @@ enum rt2x00_state_flags {
 	CONFIG_CHANNEL_HT40,
 	CONFIG_POWERSAVING,
 	CONFIG_HT_DISABLED,
-	CONFIG_QOS_DISABLED,
 	CONFIG_MONITORING,
 
 	/*
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
index fa2fd64084ac..da526684596f 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00mac.c
@@ -642,18 +642,8 @@ void rt2x00mac_bss_info_changed(struct ieee80211_hw *hw,
 			rt2x00dev->intf_associated--;
 
 		rt2x00leds_led_assoc(rt2x00dev, !!rt2x00dev->intf_associated);
-
-		clear_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags);
 	}
 
-	/*
-	 * Check for access point which do not support 802.11e . We have to
-	 * generate data frames sequence number in S/W for such AP, because
-	 * of H/W bug.
-	 */
-	if (changes & BSS_CHANGED_QOS && !bss_conf->qos)
-		set_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags);
-
 	/*
 	 * When the erp information has changed, we should perform
 	 * additional configuration steps. For all other changes we are done.
diff --git a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
index 710e9641552e..85e320178a0e 100644
--- a/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
+++ b/drivers/net/wireless/ralink/rt2x00/rt2x00queue.c
@@ -200,15 +200,18 @@ static void rt2x00queue_create_tx_descriptor_seq(struct rt2x00_dev *rt2x00dev,
 	if (!rt2x00_has_cap_flag(rt2x00dev, REQUIRE_SW_SEQNO)) {
 		/*
 		 * rt2800 has a H/W (or F/W) bug, device incorrectly increase
-		 * seqno on retransmited data (non-QOS) frames. To workaround
-		 * the problem let's generate seqno in software if QOS is
-		 * disabled.
+		 * seqno on retransmitted data (non-QOS) and management frames.
+		 * To workaround the problem let's generate seqno in software.
+		 * Except for beacons which are transmitted periodically by H/W
+		 * hence hardware has to assign seqno for them.
 		 */
-		if (test_bit(CONFIG_QOS_DISABLED, &rt2x00dev->flags))
-			__clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
-		else
+	    	if (ieee80211_is_beacon(hdr->frame_control)) {
+			__set_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
 			/* H/W will generate sequence number */
 			return;
+		}
+
+		__clear_bit(ENTRY_TXD_GENERATE_SEQ, &txdesc->flags);
 	}
 
 	/*
diff --git a/drivers/scsi/libfc/fc_rport.c b/drivers/scsi/libfc/fc_rport.c
index 1797e47fab38..3d51a936f6d5 100644
--- a/drivers/scsi/libfc/fc_rport.c
+++ b/drivers/scsi/libfc/fc_rport.c
@@ -2153,7 +2153,6 @@ static void fc_rport_recv_logo_req(struct fc_lport *lport, struct fc_frame *fp)
 		FC_RPORT_DBG(rdata, "Received LOGO request while in state %s\n",
 			     fc_rport_state(rdata));
 
-		rdata->flags &= ~FC_RP_STARTED;
 		fc_rport_enter_delete(rdata, RPORT_EV_STOP);
 		mutex_unlock(&rdata->rp_mutex);
 		kref_put(&rdata->kref, fc_rport_destroy);
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 655790f30434..1fc832751a4f 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -2149,8 +2149,12 @@ out_put_budget:
 			ret = BLK_STS_DEV_RESOURCE;
 		break;
 	default:
+		if (unlikely(!scsi_device_online(sdev)))
+			scsi_req(req)->result = DID_NO_CONNECT << 16;
+		else
+			scsi_req(req)->result = DID_ERROR << 16;
 		/*
-		 * Make sure to release all allocated ressources when
+		 * Make sure to release all allocated resources when
 		 * we hit an error, as we will never see this command
 		 * again.
 		 */
diff --git a/drivers/staging/comedi/drivers/ni_usb6501.c b/drivers/staging/comedi/drivers/ni_usb6501.c
index 808ed92ed66f..1bb1cb651349 100644
--- a/drivers/staging/comedi/drivers/ni_usb6501.c
+++ b/drivers/staging/comedi/drivers/ni_usb6501.c
@@ -463,10 +463,8 @@ static int ni6501_alloc_usb_buffers(struct comedi_device *dev)
 
 	size = usb_endpoint_maxp(devpriv->ep_tx);
 	devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
-	if (!devpriv->usb_tx_buf) {
-		kfree(devpriv->usb_rx_buf);
+	if (!devpriv->usb_tx_buf)
 		return -ENOMEM;
-	}
 
 	return 0;
 }
@@ -518,6 +516,9 @@ static int ni6501_auto_attach(struct comedi_device *dev,
 	if (!devpriv)
 		return -ENOMEM;
 
+	mutex_init(&devpriv->mut);
+	usb_set_intfdata(intf, devpriv);
+
 	ret = ni6501_find_endpoints(dev);
 	if (ret)
 		return ret;
@@ -526,9 +527,6 @@ static int ni6501_auto_attach(struct comedi_device *dev,
 	if (ret)
 		return ret;
 
-	mutex_init(&devpriv->mut);
-	usb_set_intfdata(intf, devpriv);
-
 	ret = comedi_alloc_subdevices(dev, 2);
 	if (ret)
 		return ret;
diff --git a/drivers/staging/comedi/drivers/vmk80xx.c b/drivers/staging/comedi/drivers/vmk80xx.c
index 6234b649d887..65dc6c51037e 100644
--- a/drivers/staging/comedi/drivers/vmk80xx.c
+++ b/drivers/staging/comedi/drivers/vmk80xx.c
@@ -682,10 +682,8 @@ static int vmk80xx_alloc_usb_buffers(struct comedi_device *dev)
 
 	size = usb_endpoint_maxp(devpriv->ep_tx);
 	devpriv->usb_tx_buf = kzalloc(size, GFP_KERNEL);
-	if (!devpriv->usb_tx_buf) {
-		kfree(devpriv->usb_rx_buf);
+	if (!devpriv->usb_tx_buf)
 		return -ENOMEM;
-	}
 
 	return 0;
 }
@@ -800,6 +798,8 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
 
 	devpriv->model = board->model;
 
+	sema_init(&devpriv->limit_sem, 8);
+
 	ret = vmk80xx_find_usb_endpoints(dev);
 	if (ret)
 		return ret;
@@ -808,8 +808,6 @@ static int vmk80xx_auto_attach(struct comedi_device *dev,
 	if (ret)
 		return ret;
 
-	sema_init(&devpriv->limit_sem, 8);
-
 	usb_set_intfdata(intf, devpriv);
 
 	if (devpriv->model == VMK8055_MODEL)
diff --git a/drivers/staging/iio/adc/ad7192.c b/drivers/staging/iio/adc/ad7192.c
index df0499fc4802..6857a4bf7297 100644
--- a/drivers/staging/iio/adc/ad7192.c
+++ b/drivers/staging/iio/adc/ad7192.c
@@ -109,10 +109,10 @@
 #define AD7192_CH_AIN3		BIT(6) /* AIN3 - AINCOM */
 #define AD7192_CH_AIN4		BIT(7) /* AIN4 - AINCOM */
 
-#define AD7193_CH_AIN1P_AIN2M	0x000  /* AIN1(+) - AIN2(-) */
-#define AD7193_CH_AIN3P_AIN4M	0x001  /* AIN3(+) - AIN4(-) */
-#define AD7193_CH_AIN5P_AIN6M	0x002  /* AIN5(+) - AIN6(-) */
-#define AD7193_CH_AIN7P_AIN8M	0x004  /* AIN7(+) - AIN8(-) */
+#define AD7193_CH_AIN1P_AIN2M	0x001  /* AIN1(+) - AIN2(-) */
+#define AD7193_CH_AIN3P_AIN4M	0x002  /* AIN3(+) - AIN4(-) */
+#define AD7193_CH_AIN5P_AIN6M	0x004  /* AIN5(+) - AIN6(-) */
+#define AD7193_CH_AIN7P_AIN8M	0x008  /* AIN7(+) - AIN8(-) */
 #define AD7193_CH_TEMP		0x100 /* Temp senseor */
 #define AD7193_CH_AIN2P_AIN2M	0x200 /* AIN2(+) - AIN2(-) */
 #define AD7193_CH_AIN1		0x401 /* AIN1 - AINCOM */
diff --git a/drivers/staging/iio/meter/ade7854.c b/drivers/staging/iio/meter/ade7854.c
index 029c3bf42d4d..07774c000c5a 100644
--- a/drivers/staging/iio/meter/ade7854.c
+++ b/drivers/staging/iio/meter/ade7854.c
@@ -269,7 +269,7 @@ static IIO_DEV_ATTR_VPEAK(0644,
 static IIO_DEV_ATTR_IPEAK(0644,
 		ade7854_read_32bit,
 		ade7854_write_32bit,
-		ADE7854_VPEAK);
+		ADE7854_IPEAK);
 static IIO_DEV_ATTR_APHCAL(0644,
 		ade7854_read_16bit,
 		ade7854_write_16bit,
diff --git a/drivers/staging/most/core.c b/drivers/staging/most/core.c
index 52ad62722996..25a077f4ea94 100644
--- a/drivers/staging/most/core.c
+++ b/drivers/staging/most/core.c
@@ -1412,7 +1412,7 @@ int most_register_interface(struct most_interface *iface)
 
 	INIT_LIST_HEAD(&iface->p->channel_list);
 	iface->p->dev_id = id;
-	snprintf(iface->p->name, STRING_SIZE, "mdev%d", id);
+	strcpy(iface->p->name, iface->description);
 	iface->dev.init_name = iface->p->name;
 	iface->dev.bus = &mc.bus;
 	iface->dev.parent = &mc.dev;
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index cbbf239aea0f..03fe3fb4bff6 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -2497,14 +2497,16 @@ done:
 			 * center of the last stop bit in sampling clocks.
 			 */
 			int last_stop = bits * 2 - 1;
-			int deviation = min_err * srr * last_stop / 2 / baud;
+			int deviation = DIV_ROUND_CLOSEST(min_err * last_stop *
+							  (int)(srr + 1),
+							  2 * (int)baud);
 
 			if (abs(deviation) >= 2) {
 				/* At least two sampling clocks off at the
 				 * last stop bit; we can increase the error
 				 * margin by shifting the sampling point.
 				 */
-				int shift = min(-8, max(7, deviation / 2));
+				int shift = clamp(deviation / 2, -8, 7);
 
 				hssrr |= (shift << HSCIF_SRHP_SHIFT) &
 					 HSCIF_SRHP_MASK;
diff --git a/drivers/tty/vt/vt.c b/drivers/tty/vt/vt.c
index b9a9a07f1ee9..3e5ec1cee059 100644
--- a/drivers/tty/vt/vt.c
+++ b/drivers/tty/vt/vt.c
@@ -1521,7 +1521,8 @@ static void csi_J(struct vc_data *vc, int vpar)
 			return;
 	}
 	scr_memsetw(start, vc->vc_video_erase_char, 2 * count);
-	update_region(vc, (unsigned long) start, count);
+	if (con_should_update(vc))
+		do_update_region(vc, (unsigned long) start, count);
 	vc->vc_need_wrap = 0;
 }
 
diff --git a/drivers/vhost/vhost.c b/drivers/vhost/vhost.c
index b214a72d5caa..c163bc15976a 100644
--- a/drivers/vhost/vhost.c
+++ b/drivers/vhost/vhost.c
@@ -911,8 +911,12 @@ static int vhost_new_umem_range(struct vhost_umem *umem,
 				u64 start, u64 size, u64 end,
 				u64 userspace_addr, int perm)
 {
-	struct vhost_umem_node *tmp, *node = kmalloc(sizeof(*node), GFP_ATOMIC);
+	struct vhost_umem_node *tmp, *node;
 
+	if (!size)
+		return -EFAULT;
+
+	node = kmalloc(sizeof(*node), GFP_ATOMIC);
 	if (!node)
 		return -ENOMEM;
 
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 80f33582059e..6f227cc781e5 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -1263,6 +1263,7 @@ cifsFileInfo_get_locked(struct cifsFileInfo *cifs_file)
 }
 
 struct cifsFileInfo *cifsFileInfo_get(struct cifsFileInfo *cifs_file);
+void _cifsFileInfo_put(struct cifsFileInfo *cifs_file, bool wait_oplock_hdlr);
 void cifsFileInfo_put(struct cifsFileInfo *cifs_file);
 
 #define CIFS_CACHE_READ_FLG	1
@@ -1763,6 +1764,7 @@ GLOBAL_EXTERN spinlock_t gidsidlock;
 #endif /* CONFIG_CIFS_ACL */
 
 void cifs_oplock_break(struct work_struct *work);
+void cifs_queue_oplock_break(struct cifsFileInfo *cfile);
 
 extern const struct slow_work_ops cifs_oplock_break_ops;
 extern struct workqueue_struct *cifsiod_wq;
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index d847132ab027..d6b45682833b 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -358,12 +358,30 @@ cifsFileInfo_get(struct cifsFileInfo *cifs_file)
 	return cifs_file;
 }
 
-/*
- * Release a reference on the file private data. This may involve closing
- * the filehandle out on the server. Must be called without holding
- * tcon->open_file_lock and cifs_file->file_info_lock.
+/**
+ * cifsFileInfo_put - release a reference of file priv data
+ *
+ * Always potentially wait for oplock handler. See _cifsFileInfo_put().
  */
 void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
+{
+	_cifsFileInfo_put(cifs_file, true);
+}
+
+/**
+ * _cifsFileInfo_put - release a reference of file priv data
+ *
+ * This may involve closing the filehandle @cifs_file out on the
+ * server. Must be called without holding tcon->open_file_lock and
+ * cifs_file->file_info_lock.
+ *
+ * If @wait_for_oplock_handler is true and we are releasing the last
+ * reference, wait for any running oplock break handler of the file
+ * and cancel any pending one. If calling this function from the
+ * oplock break handler, you need to pass false.
+ *
+ */
+void _cifsFileInfo_put(struct cifsFileInfo *cifs_file, bool wait_oplock_handler)
 {
 	struct inode *inode = d_inode(cifs_file->dentry);
 	struct cifs_tcon *tcon = tlink_tcon(cifs_file->tlink);
@@ -411,7 +429,8 @@ void cifsFileInfo_put(struct cifsFileInfo *cifs_file)
 
 	spin_unlock(&tcon->open_file_lock);
 
-	oplock_break_cancelled = cancel_work_sync(&cifs_file->oplock_break);
+	oplock_break_cancelled = wait_oplock_handler ?
+		cancel_work_sync(&cifs_file->oplock_break) : false;
 
 	if (!tcon->need_reconnect && !cifs_file->invalidHandle) {
 		struct TCP_Server_Info *server = tcon->ses->server;
@@ -4170,6 +4189,7 @@ void cifs_oplock_break(struct work_struct *work)
 							     cinode);
 		cifs_dbg(FYI, "Oplock release rc = %d\n", rc);
 	}
+	_cifsFileInfo_put(cfile, false /* do not wait for ourself */);
 	cifs_done_oplock_break(cinode);
 }
 
diff --git a/fs/cifs/misc.c b/fs/cifs/misc.c
index 6926685e513c..facc94e159a1 100644
--- a/fs/cifs/misc.c
+++ b/fs/cifs/misc.c
@@ -490,8 +490,7 @@ is_valid_oplock_break(char *buffer, struct TCP_Server_Info *srv)
 					   CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
 					   &pCifsInode->flags);
 
-				queue_work(cifsoplockd_wq,
-					   &netfile->oplock_break);
+				cifs_queue_oplock_break(netfile);
 				netfile->oplock_break_cancelled = false;
 
 				spin_unlock(&tcon->open_file_lock);
@@ -588,6 +587,28 @@ void cifs_put_writer(struct cifsInodeInfo *cinode)
 	spin_unlock(&cinode->writers_lock);
 }
 
+/**
+ * cifs_queue_oplock_break - queue the oplock break handler for cfile
+ *
+ * This function is called from the demultiplex thread when it
+ * receives an oplock break for @cfile.
+ *
+ * Assumes the tcon->open_file_lock is held.
+ * Assumes cfile->file_info_lock is NOT held.
+ */
+void cifs_queue_oplock_break(struct cifsFileInfo *cfile)
+{
+	/*
+	 * Bump the handle refcount now while we hold the
+	 * open_file_lock to enforce the validity of it for the oplock
+	 * break handler. The matching put is done at the end of the
+	 * handler.
+	 */
+	cifsFileInfo_get(cfile);
+
+	queue_work(cifsoplockd_wq, &cfile->oplock_break);
+}
+
 void cifs_done_oplock_break(struct cifsInodeInfo *cinode)
 {
 	clear_bit(CIFS_INODE_PENDING_OPLOCK_BREAK, &cinode->flags);
diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c
index 58700d2ba8cd..0a7ed2e3ad4f 100644
--- a/fs/cifs/smb2misc.c
+++ b/fs/cifs/smb2misc.c
@@ -555,7 +555,7 @@ smb2_tcon_has_lease(struct cifs_tcon *tcon, struct smb2_lease_break *rsp,
 			clear_bit(CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
 				  &cinode->flags);
 
-		queue_work(cifsoplockd_wq, &cfile->oplock_break);
+		cifs_queue_oplock_break(cfile);
 		kfree(lw);
 		return true;
 	}
@@ -719,8 +719,8 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server)
 					   CIFS_INODE_DOWNGRADE_OPLOCK_TO_L2,
 					   &cinode->flags);
 				spin_unlock(&cfile->file_info_lock);
-				queue_work(cifsoplockd_wq,
-					   &cfile->oplock_break);
+
+				cifs_queue_oplock_break(cfile);
 
 				spin_unlock(&tcon->open_file_lock);
 				spin_unlock(&cifs_tcp_ses_lock);
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index d4d7d61a6fe2..2001184afe70 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1906,6 +1906,8 @@ smb2_query_symlink(const unsigned int xid, struct cifs_tcon *tcon,
 
 	rc = SMB2_open(xid, &oparms, utf16_path, &oplock, NULL, &err_iov,
 		       &resp_buftype);
+	if (!rc)
+		SMB2_close(xid, tcon, fid.persistent_fid, fid.volatile_fid);
 	if (!rc || !err_iov.iov_base) {
 		rc = -ENOENT;
 		goto free_path;
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index 71f32d983384..c6fd3acc5560 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -3273,8 +3273,6 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
 	rqst.rq_nvec = 1;
 
 	rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags, &rsp_iov);
-	cifs_small_buf_release(req);
-
 	rsp = (struct smb2_read_rsp *)rsp_iov.iov_base;
 
 	if (rc) {
@@ -3293,6 +3291,8 @@ SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
 				    io_parms->tcon->tid, ses->Suid,
 				    io_parms->offset, io_parms->length);
 
+	cifs_small_buf_release(req);
+
 	*nbytes = le32_to_cpu(rsp->DataLength);
 	if ((*nbytes > CIFS_MAX_MSGSIZE) ||
 	    (*nbytes > io_parms->length)) {
@@ -3591,7 +3591,6 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
 
 	rc = cifs_send_recv(xid, io_parms->tcon->ses, &rqst,
 			    &resp_buftype, flags, &rsp_iov);
-	cifs_small_buf_release(req);
 	rsp = (struct smb2_write_rsp *)rsp_iov.iov_base;
 
 	if (rc) {
@@ -3609,6 +3608,7 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
 				     io_parms->offset, *nbytes);
 	}
 
+	cifs_small_buf_release(req);
 	free_rsp_buf(resp_buftype, rsp);
 	return rc;
 }
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index d76fe166f6ce..c5819baee35c 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -1138,6 +1138,24 @@ static ssize_t clear_refs_write(struct file *file, const char __user *buf,
 					count = -EINTR;
 					goto out_mm;
 				}
+				/*
+				 * Avoid to modify vma->vm_flags
+				 * without locked ops while the
+				 * coredump reads the vm_flags.
+				 */
+				if (!mmget_still_valid(mm)) {
+					/*
+					 * Silently return "count"
+					 * like if get_task_mm()
+					 * failed. FIXME: should this
+					 * function have returned
+					 * -ESRCH if get_task_mm()
+					 * failed like if
+					 * get_proc_task() fails?
+					 */
+					up_write(&mm->mmap_sem);
+					goto out_mm;
+				}
 				for (vma = mm->mmap; vma; vma = vma->vm_next) {
 					vma->vm_flags &= ~VM_SOFTDIRTY;
 					vma_set_page_prot(vma);
diff --git a/fs/userfaultfd.c b/fs/userfaultfd.c
index d8b8323e80f4..aaca81b5e119 100644
--- a/fs/userfaultfd.c
+++ b/fs/userfaultfd.c
@@ -630,6 +630,8 @@ static void userfaultfd_event_wait_completion(struct userfaultfd_ctx *ctx,
 
 		/* the various vma->vm_userfaultfd_ctx still points to it */
 		down_write(&mm->mmap_sem);
+		/* no task can run (and in turn coredump) yet */
+		VM_WARN_ON(!mmget_still_valid(mm));
 		for (vma = mm->mmap; vma; vma = vma->vm_next)
 			if (vma->vm_userfaultfd_ctx.ctx == release_new_ctx) {
 				vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
@@ -884,6 +886,8 @@ static int userfaultfd_release(struct inode *inode, struct file *file)
 	 * taking the mmap_sem for writing.
 	 */
 	down_write(&mm->mmap_sem);
+	if (!mmget_still_valid(mm))
+		goto skip_mm;
 	prev = NULL;
 	for (vma = mm->mmap; vma; vma = vma->vm_next) {
 		cond_resched();
@@ -906,6 +910,7 @@ static int userfaultfd_release(struct inode *inode, struct file *file)
 		vma->vm_flags = new_flags;
 		vma->vm_userfaultfd_ctx = NULL_VM_UFFD_CTX;
 	}
+skip_mm:
 	up_write(&mm->mmap_sem);
 	mmput(mm);
 wakeup:
@@ -1334,6 +1339,8 @@ static int userfaultfd_register(struct userfaultfd_ctx *ctx,
 		goto out;
 
 	down_write(&mm->mmap_sem);
+	if (!mmget_still_valid(mm))
+		goto out_unlock;
 	vma = find_vma_prev(mm, start, &prev);
 	if (!vma)
 		goto out_unlock;
@@ -1521,6 +1528,8 @@ static int userfaultfd_unregister(struct userfaultfd_ctx *ctx,
 		goto out;
 
 	down_write(&mm->mmap_sem);
+	if (!mmget_still_valid(mm))
+		goto out_unlock;
 	vma = find_vma_prev(mm, start, &prev);
 	if (!vma)
 		goto out_unlock;
diff --git a/include/linux/kprobes.h b/include/linux/kprobes.h
index e909413e4e38..32cae0f35b9d 100644
--- a/include/linux/kprobes.h
+++ b/include/linux/kprobes.h
@@ -173,6 +173,7 @@ struct kretprobe_instance {
 	struct kretprobe *rp;
 	kprobe_opcode_t *ret_addr;
 	struct task_struct *task;
+	void *fp;
 	char data[0];
 };
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 21fef8c5eca7..8c2fec0bcb26 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1456,6 +1456,7 @@ struct net_device_ops {
  * @IFF_FAILOVER: device is a failover master device
  * @IFF_FAILOVER_SLAVE: device is lower dev of a failover master device
  * @IFF_L3MDEV_RX_HANDLER: only invoke the rx handler of L3 master device
+ * @IFF_LIVE_RENAME_OK: rename is allowed while device is up and running
  */
 enum netdev_priv_flags {
 	IFF_802_1Q_VLAN			= 1<<0,
@@ -1488,6 +1489,7 @@ enum netdev_priv_flags {
 	IFF_FAILOVER			= 1<<27,
 	IFF_FAILOVER_SLAVE		= 1<<28,
 	IFF_L3MDEV_RX_HANDLER		= 1<<29,
+	IFF_LIVE_RENAME_OK		= 1<<30,
 };
 
 #define IFF_802_1Q_VLAN			IFF_802_1Q_VLAN
@@ -1519,6 +1521,7 @@ enum netdev_priv_flags {
 #define IFF_FAILOVER			IFF_FAILOVER
 #define IFF_FAILOVER_SLAVE		IFF_FAILOVER_SLAVE
 #define IFF_L3MDEV_RX_HANDLER		IFF_L3MDEV_RX_HANDLER
+#define IFF_LIVE_RENAME_OK		IFF_LIVE_RENAME_OK
 
 /**
  *	struct net_device - The DEVICE structure.
diff --git a/include/linux/sched/mm.h b/include/linux/sched/mm.h
index aebb370a0006..cebb79fe2c72 100644
--- a/include/linux/sched/mm.h
+++ b/include/linux/sched/mm.h
@@ -49,6 +49,27 @@ static inline void mmdrop(struct mm_struct *mm)
 		__mmdrop(mm);
 }
 
+/*
+ * This has to be called after a get_task_mm()/mmget_not_zero()
+ * followed by taking the mmap_sem for writing before modifying the
+ * vmas or anything the coredump pretends not to change from under it.
+ *
+ * NOTE: find_extend_vma() called from GUP context is the only place
+ * that can modify the "mm" (notably the vm_start/end) under mmap_sem
+ * for reading and outside the context of the process, so it is also
+ * the only case that holds the mmap_sem for reading that must call
+ * this function. Generally if the mmap_sem is hold for reading
+ * there's no need of this check after get_task_mm()/mmget_not_zero().
+ *
+ * This function can be obsoleted and the check can be removed, after
+ * the coredump code will hold the mmap_sem for writing before
+ * invoking the ->core_dump methods.
+ */
+static inline bool mmget_still_valid(struct mm_struct *mm)
+{
+	return likely(!mm->core_state);
+}
+
 /**
  * mmget() - Pin the address space associated with a &struct mm_struct.
  * @mm: The address space to pin.
diff --git a/include/net/inet_frag.h b/include/net/inet_frag.h
index 1662cbc0b46b..b02bf737d019 100644
--- a/include/net/inet_frag.h
+++ b/include/net/inet_frag.h
@@ -77,8 +77,8 @@ struct inet_frag_queue {
 	struct timer_list	timer;
 	spinlock_t		lock;
 	refcount_t		refcnt;
-	struct sk_buff		*fragments;  /* Used in IPv6. */
-	struct rb_root		rb_fragments; /* Used in IPv4. */
+	struct sk_buff		*fragments;  /* used in 6lopwpan IPv6. */
+	struct rb_root		rb_fragments; /* Used in IPv4/IPv6. */
 	struct sk_buff		*fragments_tail;
 	struct sk_buff		*last_run_head;
 	ktime_t			stamp;
@@ -153,4 +153,16 @@ static inline void add_frag_mem_limit(struct netns_frags *nf, long val)
 
 extern const u8 ip_frag_ecn_table[16];
 
+/* Return values of inet_frag_queue_insert() */
+#define IPFRAG_OK	0
+#define IPFRAG_DUP	1
+#define IPFRAG_OVERLAP	2
+int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb,
+			   int offset, int end);
+void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
+			      struct sk_buff *parent);
+void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head,
+			    void *reasm_data);
+struct sk_buff *inet_frag_pull_head(struct inet_frag_queue *q);
+
 #endif
diff --git a/include/net/ipv6_frag.h b/include/net/ipv6_frag.h
index 6ced1e6899b6..28aa9b30aece 100644
--- a/include/net/ipv6_frag.h
+++ b/include/net/ipv6_frag.h
@@ -82,8 +82,15 @@ ip6frag_expire_frag_queue(struct net *net, struct frag_queue *fq)
 	__IP6_INC_STATS(net, __in6_dev_get(dev), IPSTATS_MIB_REASMTIMEOUT);
 
 	/* Don't send error if the first segment did not arrive. */
-	head = fq->q.fragments;
-	if (!(fq->q.flags & INET_FRAG_FIRST_IN) || !head)
+	if (!(fq->q.flags & INET_FRAG_FIRST_IN))
+		goto out;
+
+	/* sk_buff::dev and sk_buff::rbnode are unionized. So we
+	 * pull the head out of the tree in order to be able to
+	 * deal with head->dev.
+	 */
+	head = inet_frag_pull_head(&fq->q);
+	if (!head)
 		goto out;
 
 	head->dev = dev;
diff --git a/include/net/tls.h b/include/net/tls.h
index 0a769cf2f5f3..c423b7d0b6ab 100644
--- a/include/net/tls.h
+++ b/include/net/tls.h
@@ -317,7 +317,7 @@ tls_validate_xmit_skb(struct sock *sk, struct net_device *dev,
 static inline bool tls_is_sk_tx_device_offloaded(struct sock *sk)
 {
 #ifdef CONFIG_SOCK_VALIDATE_XMIT
-	return sk_fullsock(sk) &
+	return sk_fullsock(sk) &&
 	       (smp_load_acquire(&sk->sk_validate_xmit_skb) ==
 	       &tls_validate_xmit_skb);
 #else
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 4344381664cc..29ff6635d259 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -703,7 +703,6 @@ static void unoptimize_kprobe(struct kprobe *p, bool force)
 static int reuse_unused_kprobe(struct kprobe *ap)
 {
 	struct optimized_kprobe *op;
-	int ret;
 
 	BUG_ON(!kprobe_unused(ap));
 	/*
@@ -715,9 +714,8 @@ static int reuse_unused_kprobe(struct kprobe *ap)
 	/* Enable the probe again */
 	ap->flags &= ~KPROBE_FLAG_DISABLED;
 	/* Optimize it again (remove from op->list) */
-	ret = kprobe_optready(ap);
-	if (ret)
-		return ret;
+	if (!kprobe_optready(ap))
+		return -EINVAL;
 
 	optimize_kprobe(ap);
 	return 0;
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index 0cbdbbb0729f..26b57e24476f 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -3567,9 +3567,6 @@ __lock_set_class(struct lockdep_map *lock, const char *name,
 	unsigned int depth;
 	int i;
 
-	if (unlikely(!debug_locks))
-		return 0;
-
 	depth = curr->lockdep_depth;
 	/*
 	 * This function is about (re)setting the class of a held lock,
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
index 640094391169..4aa8e7d90c25 100644
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4847,12 +4847,15 @@ static enum hrtimer_restart sched_cfs_slack_timer(struct hrtimer *timer)
 	return HRTIMER_NORESTART;
 }
 
+extern const u64 max_cfs_quota_period;
+
 static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
 {
 	struct cfs_bandwidth *cfs_b =
 		container_of(timer, struct cfs_bandwidth, period_timer);
 	int overrun;
 	int idle = 0;
+	int count = 0;
 
 	raw_spin_lock(&cfs_b->lock);
 	for (;;) {
@@ -4860,6 +4863,28 @@ static enum hrtimer_restart sched_cfs_period_timer(struct hrtimer *timer)
 		if (!overrun)
 			break;
 
+		if (++count > 3) {
+			u64 new, old = ktime_to_ns(cfs_b->period);
+
+			new = (old * 147) / 128; /* ~115% */
+			new = min(new, max_cfs_quota_period);
+
+			cfs_b->period = ns_to_ktime(new);
+
+			/* since max is 1s, this is limited to 1e9^2, which fits in u64 */
+			cfs_b->quota *= new;
+			cfs_b->quota = div64_u64(cfs_b->quota, old);
+
+			pr_warn_ratelimited(
+        "cfs_period_timer[cpu%d]: period too short, scaling up (new cfs_period_us %lld, cfs_quota_us = %lld)\n",
+	                        smp_processor_id(),
+	                        div_u64(new, NSEC_PER_USEC),
+                                div_u64(cfs_b->quota, NSEC_PER_USEC));
+
+			/* reset count so we don't come right back in here */
+			count = 0;
+		}
+
 		idle = do_sched_cfs_period_timer(cfs_b, overrun);
 	}
 	if (idle)
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 9e22660153ff..9a85c7ae7362 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -125,6 +125,7 @@ static int zero;
 static int __maybe_unused one = 1;
 static int __maybe_unused two = 2;
 static int __maybe_unused four = 4;
+static unsigned long zero_ul;
 static unsigned long one_ul = 1;
 static unsigned long long_max = LONG_MAX;
 static int one_hundred = 100;
@@ -1696,7 +1697,7 @@ static struct ctl_table fs_table[] = {
 		.maxlen		= sizeof(files_stat.max_files),
 		.mode		= 0644,
 		.proc_handler	= proc_doulongvec_minmax,
-		.extra1		= &zero,
+		.extra1		= &zero_ul,
 		.extra2		= &long_max,
 	},
 	{
diff --git a/kernel/time/sched_clock.c b/kernel/time/sched_clock.c
index cbc72c2c1fca..78eb05aa8003 100644
--- a/kernel/time/sched_clock.c
+++ b/kernel/time/sched_clock.c
@@ -275,7 +275,7 @@ static u64 notrace suspended_sched_clock_read(void)
 	return cd.read_data[seq & 1].epoch_cyc;
 }
 
-static int sched_clock_suspend(void)
+int sched_clock_suspend(void)
 {
 	struct clock_read_data *rd = &cd.read_data[0];
 
@@ -286,7 +286,7 @@ static int sched_clock_suspend(void)
 	return 0;
 }
 
-static void sched_clock_resume(void)
+void sched_clock_resume(void)
 {
 	struct clock_read_data *rd = &cd.read_data[0];
 
diff --git a/kernel/time/tick-common.c b/kernel/time/tick-common.c
index 14de3727b18e..a02e0f6b287c 100644
--- a/kernel/time/tick-common.c
+++ b/kernel/time/tick-common.c
@@ -491,6 +491,7 @@ void tick_freeze(void)
 		trace_suspend_resume(TPS("timekeeping_freeze"),
 				     smp_processor_id(), true);
 		system_state = SYSTEM_SUSPEND;
+		sched_clock_suspend();
 		timekeeping_suspend();
 	} else {
 		tick_suspend_local();
@@ -514,6 +515,7 @@ void tick_unfreeze(void)
 
 	if (tick_freeze_depth == num_online_cpus()) {
 		timekeeping_resume();
+		sched_clock_resume();
 		system_state = SYSTEM_RUNNING;
 		trace_suspend_resume(TPS("timekeeping_freeze"),
 				     smp_processor_id(), false);
diff --git a/kernel/time/timekeeping.h b/kernel/time/timekeeping.h
index 7a9b4eb7a1d5..141ab3ab0354 100644
--- a/kernel/time/timekeeping.h
+++ b/kernel/time/timekeeping.h
@@ -14,6 +14,13 @@ extern u64 timekeeping_max_deferment(void);
 extern void timekeeping_warp_clock(void);
 extern int timekeeping_suspend(void);
 extern void timekeeping_resume(void);
+#ifdef CONFIG_GENERIC_SCHED_CLOCK
+extern int sched_clock_suspend(void);
+extern void sched_clock_resume(void);
+#else
+static inline int sched_clock_suspend(void) { return 0; }
+static inline void sched_clock_resume(void) { }
+#endif
 
 extern void do_timer(unsigned long ticks);
 extern void update_wall_time(void);
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index e23eb9fc77aa..1688782f3dfb 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -34,6 +34,7 @@
 #include <linux/list.h>
 #include <linux/hash.h>
 #include <linux/rcupdate.h>
+#include <linux/kprobes.h>
 
 #include <trace/events/sched.h>
 
@@ -6250,7 +6251,7 @@ void ftrace_reset_array_ops(struct trace_array *tr)
 	tr->ops->func = ftrace_stub;
 }
 
-static inline void
+static nokprobe_inline void
 __ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
 		       struct ftrace_ops *ignored, struct pt_regs *regs)
 {
@@ -6310,11 +6311,13 @@ static void ftrace_ops_list_func(unsigned long ip, unsigned long parent_ip,
 {
 	__ftrace_ops_list_func(ip, parent_ip, NULL, regs);
 }
+NOKPROBE_SYMBOL(ftrace_ops_list_func);
 #else
 static void ftrace_ops_no_ops(unsigned long ip, unsigned long parent_ip)
 {
 	__ftrace_ops_list_func(ip, parent_ip, NULL, NULL);
 }
+NOKPROBE_SYMBOL(ftrace_ops_no_ops);
 #endif
 
 /*
@@ -6341,6 +6344,7 @@ static void ftrace_ops_assist_func(unsigned long ip, unsigned long parent_ip,
 	preempt_enable_notrace();
 	trace_clear_recursion(bit);
 }
+NOKPROBE_SYMBOL(ftrace_ops_assist_func);
 
 /**
  * ftrace_ops_get_func - get the function a trampoline should call
diff --git a/mm/mmap.c b/mm/mmap.c
index 43507f7e66b4..1480880ff814 100644
--- a/mm/mmap.c
+++ b/mm/mmap.c
@@ -45,6 +45,7 @@
 #include <linux/moduleparam.h>
 #include <linux/pkeys.h>
 #include <linux/oom.h>
+#include <linux/sched/mm.h>
 
 #include <linux/uaccess.h>
 #include <asm/cacheflush.h>
@@ -2491,7 +2492,8 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
 	vma = find_vma_prev(mm, addr, &prev);
 	if (vma && (vma->vm_start <= addr))
 		return vma;
-	if (!prev || expand_stack(prev, addr))
+	/* don't alter vm_end if the coredump is running */
+	if (!prev || !mmget_still_valid(mm) || expand_stack(prev, addr))
 		return NULL;
 	if (prev->vm_flags & VM_LOCKED)
 		populate_vma_page_range(prev, addr, prev->vm_end, NULL);
@@ -2517,6 +2519,9 @@ find_extend_vma(struct mm_struct *mm, unsigned long addr)
 		return vma;
 	if (!(vma->vm_flags & VM_GROWSDOWN))
 		return NULL;
+	/* don't alter vm_start if the coredump is running */
+	if (!mmget_still_valid(mm))
+		return NULL;
 	start = vma->vm_start;
 	if (expand_stack(vma, addr))
 		return NULL;
diff --git a/mm/percpu.c b/mm/percpu.c
index 4b90682623e9..41e58f3d8fbf 100644
--- a/mm/percpu.c
+++ b/mm/percpu.c
@@ -2529,8 +2529,8 @@ int __init pcpu_embed_first_chunk(size_t reserved_size, size_t dyn_size,
 		ai->groups[group].base_offset = areas[group] - base;
 	}
 
-	pr_info("Embedded %zu pages/cpu @%p s%zu r%zu d%zu u%zu\n",
-		PFN_DOWN(size_sum), base, ai->static_size, ai->reserved_size,
+	pr_info("Embedded %zu pages/cpu s%zu r%zu d%zu u%zu\n",
+		PFN_DOWN(size_sum), ai->static_size, ai->reserved_size,
 		ai->dyn_size, ai->unit_size);
 
 	rc = pcpu_setup_first_chunk(ai, base);
@@ -2651,8 +2651,8 @@ int __init pcpu_page_first_chunk(size_t reserved_size,
 	}
 
 	/* we're ready, commit */
-	pr_info("%d %s pages/cpu @%p s%zu r%zu d%zu\n",
-		unit_pages, psize_str, vm.addr, ai->static_size,
+	pr_info("%d %s pages/cpu s%zu r%zu d%zu\n",
+		unit_pages, psize_str, ai->static_size,
 		ai->reserved_size, ai->dyn_size);
 
 	rc = pcpu_setup_first_chunk(ai, vm.addr);
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 2878dc4e9af6..4a387937f9f5 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1272,13 +1272,8 @@ const char * const vmstat_text[] = {
 #endif
 #endif /* CONFIG_MEMORY_BALLOON */
 #ifdef CONFIG_DEBUG_TLBFLUSH
-#ifdef CONFIG_SMP
 	"nr_tlb_remote_flush",
 	"nr_tlb_remote_flush_received",
-#else
-	"", /* nr_tlb_remote_flush */
-	"", /* nr_tlb_remote_flush_received */
-#endif /* CONFIG_SMP */
 	"nr_tlb_local_flush_all",
 	"nr_tlb_local_flush_one",
 #endif /* CONFIG_DEBUG_TLBFLUSH */
diff --git a/net/atm/lec.c b/net/atm/lec.c
index d7f5cf5b7594..ad4f829193f0 100644
--- a/net/atm/lec.c
+++ b/net/atm/lec.c
@@ -710,7 +710,10 @@ static int lec_vcc_attach(struct atm_vcc *vcc, void __user *arg)
 
 static int lec_mcast_attach(struct atm_vcc *vcc, int arg)
 {
-	if (arg < 0 || arg >= MAX_LEC_ITF || !dev_lec[arg])
+	if (arg < 0 || arg >= MAX_LEC_ITF)
+		return -EINVAL;
+	arg = array_index_nospec(arg, MAX_LEC_ITF);
+	if (!dev_lec[arg])
 		return -EINVAL;
 	vcc->proto_data = dev_lec[arg];
 	return lec_mcast_make(netdev_priv(dev_lec[arg]), vcc);
@@ -728,6 +731,7 @@ static int lecd_attach(struct atm_vcc *vcc, int arg)
 		i = arg;
 	if (arg >= MAX_LEC_ITF)
 		return -EINVAL;
+	i = array_index_nospec(arg, MAX_LEC_ITF);
 	if (!dev_lec[i]) {
 		int size;
 
diff --git a/net/bridge/br_input.c b/net/bridge/br_input.c
index 72074276c088..fed0ff446abb 100644
--- a/net/bridge/br_input.c
+++ b/net/bridge/br_input.c
@@ -195,13 +195,10 @@ static void __br_handle_local_finish(struct sk_buff *skb)
 /* note: already called with rcu_read_lock */
 static int br_handle_local_finish(struct net *net, struct sock *sk, struct sk_buff *skb)
 {
-	struct net_bridge_port *p = br_port_get_rcu(skb->dev);
-
 	__br_handle_local_finish(skb);
 
-	BR_INPUT_SKB_CB(skb)->brdev = p->br->dev;
-	br_pass_frame_up(skb);
-	return 0;
+	/* return 1 to signal the okfn() was called so it's ok to use the skb */
+	return 1;
 }
 
 /*
@@ -278,10 +275,18 @@ rx_handler_result_t br_handle_frame(struct sk_buff **pskb)
 				goto forward;
 		}
 
-		/* Deliver packet to local host only */
-		NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN, dev_net(skb->dev),
-			NULL, skb, skb->dev, NULL, br_handle_local_finish);
-		return RX_HANDLER_CONSUMED;
+		/* The else clause should be hit when nf_hook():
+		 *   - returns < 0 (drop/error)
+		 *   - returns = 0 (stolen/nf_queue)
+		 * Thus return 1 from the okfn() to signal the skb is ok to pass
+		 */
+		if (NF_HOOK(NFPROTO_BRIDGE, NF_BR_LOCAL_IN,
+			    dev_net(skb->dev), NULL, skb, skb->dev, NULL,
+			    br_handle_local_finish) == 1) {
+			return RX_HANDLER_PASS;
+		} else {
+			return RX_HANDLER_CONSUMED;
+		}
 	}
 
 forward:
diff --git a/net/bridge/br_multicast.c b/net/bridge/br_multicast.c
index 20ed7adcf1cc..75901c4641b1 100644
--- a/net/bridge/br_multicast.c
+++ b/net/bridge/br_multicast.c
@@ -2152,7 +2152,8 @@ static void br_multicast_start_querier(struct net_bridge *br,
 
 	__br_multicast_open(br, query);
 
-	list_for_each_entry(port, &br->port_list, list) {
+	rcu_read_lock();
+	list_for_each_entry_rcu(port, &br->port_list, list) {
 		if (port->state == BR_STATE_DISABLED ||
 		    port->state == BR_STATE_BLOCKING)
 			continue;
@@ -2164,6 +2165,7 @@ static void br_multicast_start_querier(struct net_bridge *br,
 			br_multicast_enable(&port->ip6_own_query);
 #endif
 	}
+	rcu_read_unlock();
 }
 
 int br_multicast_toggle(struct net_bridge *br, unsigned long val)
diff --git a/net/core/dev.c b/net/core/dev.c
index d47554307a6d..3bcec116a5f2 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1180,7 +1180,21 @@ int dev_change_name(struct net_device *dev, const char *newname)
 	BUG_ON(!dev_net(dev));
 
 	net = dev_net(dev);
-	if (dev->flags & IFF_UP)
+
+	/* Some auto-enslaved devices e.g. failover slaves are
+	 * special, as userspace might rename the device after
+	 * the interface had been brought up and running since
+	 * the point kernel initiated auto-enslavement. Allow
+	 * live name change even when these slave devices are
+	 * up and running.
+	 *
+	 * Typically, users of these auto-enslaving devices
+	 * don't actually care about slave name change, as
+	 * they are supposed to operate on master interface
+	 * directly.
+	 */
+	if (dev->flags & IFF_UP &&
+	    likely(!(dev->priv_flags & IFF_LIVE_RENAME_OK)))
 		return -EBUSY;
 
 	write_seqcount_begin(&devnet_rename_seq);
diff --git a/net/core/failover.c b/net/core/failover.c
index 4a92a98ccce9..b5cd3c727285 100644
--- a/net/core/failover.c
+++ b/net/core/failover.c
@@ -80,14 +80,14 @@ static int failover_slave_register(struct net_device *slave_dev)
 		goto err_upper_link;
 	}
 
-	slave_dev->priv_flags |= IFF_FAILOVER_SLAVE;
+	slave_dev->priv_flags |= (IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
 
 	if (fops && fops->slave_register &&
 	    !fops->slave_register(slave_dev, failover_dev))
 		return NOTIFY_OK;
 
 	netdev_upper_dev_unlink(slave_dev, failover_dev);
-	slave_dev->priv_flags &= ~IFF_FAILOVER_SLAVE;
+	slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
 err_upper_link:
 	netdev_rx_handler_unregister(slave_dev);
 done:
@@ -121,7 +121,7 @@ int failover_slave_unregister(struct net_device *slave_dev)
 
 	netdev_rx_handler_unregister(slave_dev);
 	netdev_upper_dev_unlink(slave_dev, failover_dev);
-	slave_dev->priv_flags &= ~IFF_FAILOVER_SLAVE;
+	slave_dev->priv_flags &= ~(IFF_FAILOVER_SLAVE | IFF_LIVE_RENAME_OK);
 
 	if (fops && fops->slave_unregister &&
 	    !fops->slave_unregister(slave_dev, failover_dev))
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index ceee28e184af..8b5768113acd 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -5071,7 +5071,8 @@ EXPORT_SYMBOL_GPL(skb_gso_validate_mac_len);
 
 static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
 {
-	int mac_len;
+	int mac_len, meta_len;
+	void *meta;
 
 	if (skb_cow(skb, skb_headroom(skb)) < 0) {
 		kfree_skb(skb);
@@ -5083,6 +5084,13 @@ static struct sk_buff *skb_reorder_vlan_header(struct sk_buff *skb)
 		memmove(skb_mac_header(skb) + VLAN_HLEN, skb_mac_header(skb),
 			mac_len - VLAN_HLEN - ETH_TLEN);
 	}
+
+	meta_len = skb_metadata_len(skb);
+	if (meta_len) {
+		meta = skb_metadata_end(skb) - meta_len;
+		memmove(meta + VLAN_HLEN, meta, meta_len);
+	}
+
 	skb->mac_header += VLAN_HLEN;
 	return skb;
 }
diff --git a/net/ipv4/fou.c b/net/ipv4/fou.c
index 500a59906b87..854ff1e4c41f 100644
--- a/net/ipv4/fou.c
+++ b/net/ipv4/fou.c
@@ -120,6 +120,7 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb)
 	struct guehdr *guehdr;
 	void *data;
 	u16 doffset = 0;
+	u8 proto_ctype;
 
 	if (!fou)
 		return 1;
@@ -211,13 +212,14 @@ static int gue_udp_recv(struct sock *sk, struct sk_buff *skb)
 	if (unlikely(guehdr->control))
 		return gue_control_message(skb, guehdr);
 
+	proto_ctype = guehdr->proto_ctype;
 	__skb_pull(skb, sizeof(struct udphdr) + hdrlen);
 	skb_reset_transport_header(skb);
 
 	if (iptunnel_pull_offloads(skb))
 		goto drop;
 
-	return -guehdr->proto_ctype;
+	return -proto_ctype;
 
 drop:
 	kfree_skb(skb);
diff --git a/net/ipv4/inet_fragment.c b/net/ipv4/inet_fragment.c
index 760a9e52e02b..9f69411251d0 100644
--- a/net/ipv4/inet_fragment.c
+++ b/net/ipv4/inet_fragment.c
@@ -25,6 +25,62 @@
 #include <net/sock.h>
 #include <net/inet_frag.h>
 #include <net/inet_ecn.h>
+#include <net/ip.h>
+#include <net/ipv6.h>
+
+/* Use skb->cb to track consecutive/adjacent fragments coming at
+ * the end of the queue. Nodes in the rb-tree queue will
+ * contain "runs" of one or more adjacent fragments.
+ *
+ * Invariants:
+ * - next_frag is NULL at the tail of a "run";
+ * - the head of a "run" has the sum of all fragment lengths in frag_run_len.
+ */
+struct ipfrag_skb_cb {
+	union {
+		struct inet_skb_parm	h4;
+		struct inet6_skb_parm	h6;
+	};
+	struct sk_buff		*next_frag;
+	int			frag_run_len;
+};
+
+#define FRAG_CB(skb)		((struct ipfrag_skb_cb *)((skb)->cb))
+
+static void fragcb_clear(struct sk_buff *skb)
+{
+	RB_CLEAR_NODE(&skb->rbnode);
+	FRAG_CB(skb)->next_frag = NULL;
+	FRAG_CB(skb)->frag_run_len = skb->len;
+}
+
+/* Append skb to the last "run". */
+static void fragrun_append_to_last(struct inet_frag_queue *q,
+				   struct sk_buff *skb)
+{
+	fragcb_clear(skb);
+
+	FRAG_CB(q->last_run_head)->frag_run_len += skb->len;
+	FRAG_CB(q->fragments_tail)->next_frag = skb;
+	q->fragments_tail = skb;
+}
+
+/* Create a new "run" with the skb. */
+static void fragrun_create(struct inet_frag_queue *q, struct sk_buff *skb)
+{
+	BUILD_BUG_ON(sizeof(struct ipfrag_skb_cb) > sizeof(skb->cb));
+	fragcb_clear(skb);
+
+	if (q->last_run_head)
+		rb_link_node(&skb->rbnode, &q->last_run_head->rbnode,
+			     &q->last_run_head->rbnode.rb_right);
+	else
+		rb_link_node(&skb->rbnode, NULL, &q->rb_fragments.rb_node);
+	rb_insert_color(&skb->rbnode, &q->rb_fragments);
+
+	q->fragments_tail = skb;
+	q->last_run_head = skb;
+}
 
 /* Given the OR values of all fragments, apply RFC 3168 5.3 requirements
  * Value : 0xff if frame should be dropped.
@@ -123,6 +179,28 @@ static void inet_frag_destroy_rcu(struct rcu_head *head)
 	kmem_cache_free(f->frags_cachep, q);
 }
 
+unsigned int inet_frag_rbtree_purge(struct rb_root *root)
+{
+	struct rb_node *p = rb_first(root);
+	unsigned int sum = 0;
+
+	while (p) {
+		struct sk_buff *skb = rb_entry(p, struct sk_buff, rbnode);
+
+		p = rb_next(p);
+		rb_erase(&skb->rbnode, root);
+		while (skb) {
+			struct sk_buff *next = FRAG_CB(skb)->next_frag;
+
+			sum += skb->truesize;
+			kfree_skb(skb);
+			skb = next;
+		}
+	}
+	return sum;
+}
+EXPORT_SYMBOL(inet_frag_rbtree_purge);
+
 void inet_frag_destroy(struct inet_frag_queue *q)
 {
 	struct sk_buff *fp;
@@ -224,3 +302,218 @@ struct inet_frag_queue *inet_frag_find(struct netns_frags *nf, void *key)
 	return fq;
 }
 EXPORT_SYMBOL(inet_frag_find);
+
+int inet_frag_queue_insert(struct inet_frag_queue *q, struct sk_buff *skb,
+			   int offset, int end)
+{
+	struct sk_buff *last = q->fragments_tail;
+
+	/* RFC5722, Section 4, amended by Errata ID : 3089
+	 *                          When reassembling an IPv6 datagram, if
+	 *   one or more its constituent fragments is determined to be an
+	 *   overlapping fragment, the entire datagram (and any constituent
+	 *   fragments) MUST be silently discarded.
+	 *
+	 * Duplicates, however, should be ignored (i.e. skb dropped, but the
+	 * queue/fragments kept for later reassembly).
+	 */
+	if (!last)
+		fragrun_create(q, skb);  /* First fragment. */
+	else if (last->ip_defrag_offset + last->len < end) {
+		/* This is the common case: skb goes to the end. */
+		/* Detect and discard overlaps. */
+		if (offset < last->ip_defrag_offset + last->len)
+			return IPFRAG_OVERLAP;
+		if (offset == last->ip_defrag_offset + last->len)
+			fragrun_append_to_last(q, skb);
+		else
+			fragrun_create(q, skb);
+	} else {
+		/* Binary search. Note that skb can become the first fragment,
+		 * but not the last (covered above).
+		 */
+		struct rb_node **rbn, *parent;
+
+		rbn = &q->rb_fragments.rb_node;
+		do {
+			struct sk_buff *curr;
+			int curr_run_end;
+
+			parent = *rbn;
+			curr = rb_to_skb(parent);
+			curr_run_end = curr->ip_defrag_offset +
+					FRAG_CB(curr)->frag_run_len;
+			if (end <= curr->ip_defrag_offset)
+				rbn = &parent->rb_left;
+			else if (offset >= curr_run_end)
+				rbn = &parent->rb_right;
+			else if (offset >= curr->ip_defrag_offset &&
+				 end <= curr_run_end)
+				return IPFRAG_DUP;
+			else
+				return IPFRAG_OVERLAP;
+		} while (*rbn);
+		/* Here we have parent properly set, and rbn pointing to
+		 * one of its NULL left/right children. Insert skb.
+		 */
+		fragcb_clear(skb);
+		rb_link_node(&skb->rbnode, parent, rbn);
+		rb_insert_color(&skb->rbnode, &q->rb_fragments);
+	}
+
+	skb->ip_defrag_offset = offset;
+
+	return IPFRAG_OK;
+}
+EXPORT_SYMBOL(inet_frag_queue_insert);
+
+void *inet_frag_reasm_prepare(struct inet_frag_queue *q, struct sk_buff *skb,
+			      struct sk_buff *parent)
+{
+	struct sk_buff *fp, *head = skb_rb_first(&q->rb_fragments);
+	struct sk_buff **nextp;
+	int delta;
+
+	if (head != skb) {
+		fp = skb_clone(skb, GFP_ATOMIC);
+		if (!fp)
+			return NULL;
+		FRAG_CB(fp)->next_frag = FRAG_CB(skb)->next_frag;
+		if (RB_EMPTY_NODE(&skb->rbnode))
+			FRAG_CB(parent)->next_frag = fp;
+		else
+			rb_replace_node(&skb->rbnode, &fp->rbnode,
+					&q->rb_fragments);
+		if (q->fragments_tail == skb)
+			q->fragments_tail = fp;
+		skb_morph(skb, head);
+		FRAG_CB(skb)->next_frag = FRAG_CB(head)->next_frag;
+		rb_replace_node(&head->rbnode, &skb->rbnode,
+				&q->rb_fragments);
+		consume_skb(head);
+		head = skb;
+	}
+	WARN_ON(head->ip_defrag_offset != 0);
+
+	delta = -head->truesize;
+
+	/* Head of list must not be cloned. */
+	if (skb_unclone(head, GFP_ATOMIC))
+		return NULL;
+
+	delta += head->truesize;
+	if (delta)
+		add_frag_mem_limit(q->net, delta);
+
+	/* If the first fragment is fragmented itself, we split
+	 * it to two chunks: the first with data and paged part
+	 * and the second, holding only fragments.
+	 */
+	if (skb_has_frag_list(head)) {
+		struct sk_buff *clone;
+		int i, plen = 0;
+
+		clone = alloc_skb(0, GFP_ATOMIC);
+		if (!clone)
+			return NULL;
+		skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
+		skb_frag_list_init(head);
+		for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
+			plen += skb_frag_size(&skb_shinfo(head)->frags[i]);
+		clone->data_len = head->data_len - plen;
+		clone->len = clone->data_len;
+		head->truesize += clone->truesize;
+		clone->csum = 0;
+		clone->ip_summed = head->ip_summed;
+		add_frag_mem_limit(q->net, clone->truesize);
+		skb_shinfo(head)->frag_list = clone;
+		nextp = &clone->next;
+	} else {
+		nextp = &skb_shinfo(head)->frag_list;
+	}
+
+	return nextp;
+}
+EXPORT_SYMBOL(inet_frag_reasm_prepare);
+
+void inet_frag_reasm_finish(struct inet_frag_queue *q, struct sk_buff *head,
+			    void *reasm_data)
+{
+	struct sk_buff **nextp = (struct sk_buff **)reasm_data;
+	struct rb_node *rbn;
+	struct sk_buff *fp;
+
+	skb_push(head, head->data - skb_network_header(head));
+
+	/* Traverse the tree in order, to build frag_list. */
+	fp = FRAG_CB(head)->next_frag;
+	rbn = rb_next(&head->rbnode);
+	rb_erase(&head->rbnode, &q->rb_fragments);
+	while (rbn || fp) {
+		/* fp points to the next sk_buff in the current run;
+		 * rbn points to the next run.
+		 */
+		/* Go through the current run. */
+		while (fp) {
+			*nextp = fp;
+			nextp = &fp->next;
+			fp->prev = NULL;
+			memset(&fp->rbnode, 0, sizeof(fp->rbnode));
+			fp->sk = NULL;
+			head->data_len += fp->len;
+			head->len += fp->len;
+			if (head->ip_summed != fp->ip_summed)
+				head->ip_summed = CHECKSUM_NONE;
+			else if (head->ip_summed == CHECKSUM_COMPLETE)
+				head->csum = csum_add(head->csum, fp->csum);
+			head->truesize += fp->truesize;
+			fp = FRAG_CB(fp)->next_frag;
+		}
+		/* Move to the next run. */
+		if (rbn) {
+			struct rb_node *rbnext = rb_next(rbn);
+
+			fp = rb_to_skb(rbn);
+			rb_erase(rbn, &q->rb_fragments);
+			rbn = rbnext;
+		}
+	}
+	sub_frag_mem_limit(q->net, head->truesize);
+
+	*nextp = NULL;
+	skb_mark_not_on_list(head);
+	head->prev = NULL;
+	head->tstamp = q->stamp;
+}
+EXPORT_SYMBOL(inet_frag_reasm_finish);
+
+struct sk_buff *inet_frag_pull_head(struct inet_frag_queue *q)
+{
+	struct sk_buff *head;
+
+	if (q->fragments) {
+		head = q->fragments;
+		q->fragments = head->next;
+	} else {
+		struct sk_buff *skb;
+
+		head = skb_rb_first(&q->rb_fragments);
+		if (!head)
+			return NULL;
+		skb = FRAG_CB(head)->next_frag;
+		if (skb)
+			rb_replace_node(&head->rbnode, &skb->rbnode,
+					&q->rb_fragments);
+		else
+			rb_erase(&head->rbnode, &q->rb_fragments);
+		memset(&head->rbnode, 0, sizeof(head->rbnode));
+		barrier();
+	}
+	if (head == q->fragments_tail)
+		q->fragments_tail = NULL;
+
+	sub_frag_mem_limit(q->net, head->truesize);
+
+	return head;
+}
+EXPORT_SYMBOL(inet_frag_pull_head);
diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index d95b32af4a0e..5a1d39e32196 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -57,57 +57,6 @@
  */
 static const char ip_frag_cache_name[] = "ip4-frags";
 
-/* Use skb->cb to track consecutive/adjacent fragments coming at
- * the end of the queue. Nodes in the rb-tree queue will
- * contain "runs" of one or more adjacent fragments.
- *
- * Invariants:
- * - next_frag is NULL at the tail of a "run";
- * - the head of a "run" has the sum of all fragment lengths in frag_run_len.
- */
-struct ipfrag_skb_cb {
-	struct inet_skb_parm	h;
-	struct sk_buff		*next_frag;
-	int			frag_run_len;
-};
-
-#define FRAG_CB(skb)		((struct ipfrag_skb_cb *)((skb)->cb))
-
-static void ip4_frag_init_run(struct sk_buff *skb)
-{
-	BUILD_BUG_ON(sizeof(struct ipfrag_skb_cb) > sizeof(skb->cb));
-
-	FRAG_CB(skb)->next_frag = NULL;
-	FRAG_CB(skb)->frag_run_len = skb->len;
-}
-
-/* Append skb to the last "run". */
-static void ip4_frag_append_to_last_run(struct inet_frag_queue *q,
-					struct sk_buff *skb)
-{
-	RB_CLEAR_NODE(&skb->rbnode);
-	FRAG_CB(skb)->next_frag = NULL;
-
-	FRAG_CB(q->last_run_head)->frag_run_len += skb->len;
-	FRAG_CB(q->fragments_tail)->next_frag = skb;
-	q->fragments_tail = skb;
-}
-
-/* Create a new "run" with the skb. */
-static void ip4_frag_create_run(struct inet_frag_queue *q, struct sk_buff *skb)
-{
-	if (q->last_run_head)
-		rb_link_node(&skb->rbnode, &q->last_run_head->rbnode,
-			     &q->last_run_head->rbnode.rb_right);
-	else
-		rb_link_node(&skb->rbnode, NULL, &q->rb_fragments.rb_node);
-	rb_insert_color(&skb->rbnode, &q->rb_fragments);
-
-	ip4_frag_init_run(skb);
-	q->fragments_tail = skb;
-	q->last_run_head = skb;
-}
-
 /* Describe an entry in the "incomplete datagrams" queue. */
 struct ipq {
 	struct inet_frag_queue q;
@@ -212,27 +161,9 @@ static void ip_expire(struct timer_list *t)
 	 * pull the head out of the tree in order to be able to
 	 * deal with head->dev.
 	 */
-	if (qp->q.fragments) {
-		head = qp->q.fragments;
-		qp->q.fragments = head->next;
-	} else {
-		head = skb_rb_first(&qp->q.rb_fragments);
-		if (!head)
-			goto out;
-		if (FRAG_CB(head)->next_frag)
-			rb_replace_node(&head->rbnode,
-					&FRAG_CB(head)->next_frag->rbnode,
-					&qp->q.rb_fragments);
-		else
-			rb_erase(&head->rbnode, &qp->q.rb_fragments);
-		memset(&head->rbnode, 0, sizeof(head->rbnode));
-		barrier();
-	}
-	if (head == qp->q.fragments_tail)
-		qp->q.fragments_tail = NULL;
-
-	sub_frag_mem_limit(qp->q.net, head->truesize);
-
+	head = inet_frag_pull_head(&qp->q);
+	if (!head)
+		goto out;
 	head->dev = dev_get_by_index_rcu(net, qp->iif);
 	if (!head->dev)
 		goto out;
@@ -345,12 +276,10 @@ static int ip_frag_reinit(struct ipq *qp)
 static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 {
 	struct net *net = container_of(qp->q.net, struct net, ipv4.frags);
-	struct rb_node **rbn, *parent;
-	struct sk_buff *skb1, *prev_tail;
-	int ihl, end, skb1_run_end;
+	int ihl, end, flags, offset;
+	struct sk_buff *prev_tail;
 	struct net_device *dev;
 	unsigned int fragsize;
-	int flags, offset;
 	int err = -ENOENT;
 	u8 ecn;
 
@@ -382,7 +311,7 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 		 */
 		if (end < qp->q.len ||
 		    ((qp->q.flags & INET_FRAG_LAST_IN) && end != qp->q.len))
-			goto err;
+			goto discard_qp;
 		qp->q.flags |= INET_FRAG_LAST_IN;
 		qp->q.len = end;
 	} else {
@@ -394,82 +323,33 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 		if (end > qp->q.len) {
 			/* Some bits beyond end -> corruption. */
 			if (qp->q.flags & INET_FRAG_LAST_IN)
-				goto err;
+				goto discard_qp;
 			qp->q.len = end;
 		}
 	}
 	if (end == offset)
-		goto err;
+		goto discard_qp;
 
 	err = -ENOMEM;
 	if (!pskb_pull(skb, skb_network_offset(skb) + ihl))
-		goto err;
+		goto discard_qp;
 
 	err = pskb_trim_rcsum(skb, end - offset);
 	if (err)
-		goto err;
+		goto discard_qp;
 
 	/* Note : skb->rbnode and skb->dev share the same location. */
 	dev = skb->dev;
 	/* Makes sure compiler wont do silly aliasing games */
 	barrier();
 
-	/* RFC5722, Section 4, amended by Errata ID : 3089
-	 *                          When reassembling an IPv6 datagram, if
-	 *   one or more its constituent fragments is determined to be an
-	 *   overlapping fragment, the entire datagram (and any constituent
-	 *   fragments) MUST be silently discarded.
-	 *
-	 * We do the same here for IPv4 (and increment an snmp counter) but
-	 * we do not want to drop the whole queue in response to a duplicate
-	 * fragment.
-	 */
-
-	err = -EINVAL;
-	/* Find out where to put this fragment.  */
 	prev_tail = qp->q.fragments_tail;
-	if (!prev_tail)
-		ip4_frag_create_run(&qp->q, skb);  /* First fragment. */
-	else if (prev_tail->ip_defrag_offset + prev_tail->len < end) {
-		/* This is the common case: skb goes to the end. */
-		/* Detect and discard overlaps. */
-		if (offset < prev_tail->ip_defrag_offset + prev_tail->len)
-			goto discard_qp;
-		if (offset == prev_tail->ip_defrag_offset + prev_tail->len)
-			ip4_frag_append_to_last_run(&qp->q, skb);
-		else
-			ip4_frag_create_run(&qp->q, skb);
-	} else {
-		/* Binary search. Note that skb can become the first fragment,
-		 * but not the last (covered above).
-		 */
-		rbn = &qp->q.rb_fragments.rb_node;
-		do {
-			parent = *rbn;
-			skb1 = rb_to_skb(parent);
-			skb1_run_end = skb1->ip_defrag_offset +
-				       FRAG_CB(skb1)->frag_run_len;
-			if (end <= skb1->ip_defrag_offset)
-				rbn = &parent->rb_left;
-			else if (offset >= skb1_run_end)
-				rbn = &parent->rb_right;
-			else if (offset >= skb1->ip_defrag_offset &&
-				 end <= skb1_run_end)
-				goto err; /* No new data, potential duplicate */
-			else
-				goto discard_qp; /* Found an overlap */
-		} while (*rbn);
-		/* Here we have parent properly set, and rbn pointing to
-		 * one of its NULL left/right children. Insert skb.
-		 */
-		ip4_frag_init_run(skb);
-		rb_link_node(&skb->rbnode, parent, rbn);
-		rb_insert_color(&skb->rbnode, &qp->q.rb_fragments);
-	}
+	err = inet_frag_queue_insert(&qp->q, skb, offset, end);
+	if (err)
+		goto insert_error;
 
 	if (dev)
 		qp->iif = dev->ifindex;
-	skb->ip_defrag_offset = offset;
 
 	qp->q.stamp = skb->tstamp;
 	qp->q.meat += skb->len;
@@ -494,15 +374,24 @@ static int ip_frag_queue(struct ipq *qp, struct sk_buff *skb)
 		skb->_skb_refdst = 0UL;
 		err = ip_frag_reasm(qp, skb, prev_tail, dev);
 		skb->_skb_refdst = orefdst;
+		if (err)
+			inet_frag_kill(&qp->q);
 		return err;
 	}
 
 	skb_dst_drop(skb);
 	return -EINPROGRESS;
 
+insert_error:
+	if (err == IPFRAG_DUP) {
+		kfree_skb(skb);
+		return -EINVAL;
+	}
+	err = -EINVAL;
+	__IP_INC_STATS(net, IPSTATS_MIB_REASM_OVERLAPS);
 discard_qp:
 	inet_frag_kill(&qp->q);
-	__IP_INC_STATS(net, IPSTATS_MIB_REASM_OVERLAPS);
+	__IP_INC_STATS(net, IPSTATS_MIB_REASMFAILS);
 err:
 	kfree_skb(skb);
 	return err;
@@ -514,13 +403,8 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *skb,
 {
 	struct net *net = container_of(qp->q.net, struct net, ipv4.frags);
 	struct iphdr *iph;
-	struct sk_buff *fp, *head = skb_rb_first(&qp->q.rb_fragments);
-	struct sk_buff **nextp; /* To build frag_list. */
-	struct rb_node *rbn;
-	int len;
-	int ihlen;
-	int delta;
-	int err;
+	void *reasm_data;
+	int len, err;
 	u8 ecn;
 
 	ipq_kill(qp);
@@ -530,117 +414,23 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *skb,
 		err = -EINVAL;
 		goto out_fail;
 	}
-	/* Make the one we just received the head. */
-	if (head != skb) {
-		fp = skb_clone(skb, GFP_ATOMIC);
-		if (!fp)
-			goto out_nomem;
-		FRAG_CB(fp)->next_frag = FRAG_CB(skb)->next_frag;
-		if (RB_EMPTY_NODE(&skb->rbnode))
-			FRAG_CB(prev_tail)->next_frag = fp;
-		else
-			rb_replace_node(&skb->rbnode, &fp->rbnode,
-					&qp->q.rb_fragments);
-		if (qp->q.fragments_tail == skb)
-			qp->q.fragments_tail = fp;
-		skb_morph(skb, head);
-		FRAG_CB(skb)->next_frag = FRAG_CB(head)->next_frag;
-		rb_replace_node(&head->rbnode, &skb->rbnode,
-				&qp->q.rb_fragments);
-		consume_skb(head);
-		head = skb;
-	}
 
-	WARN_ON(head->ip_defrag_offset != 0);
-
-	/* Allocate a new buffer for the datagram. */
-	ihlen = ip_hdrlen(head);
-	len = ihlen + qp->q.len;
+	/* Make the one we just received the head. */
+	reasm_data = inet_frag_reasm_prepare(&qp->q, skb, prev_tail);
+	if (!reasm_data)
+		goto out_nomem;
 
+	len = ip_hdrlen(skb) + qp->q.len;
 	err = -E2BIG;
 	if (len > 65535)
 		goto out_oversize;
 
-	delta = - head->truesize;
-
-	/* Head of list must not be cloned. */
-	if (skb_unclone(head, GFP_ATOMIC))
-		goto out_nomem;
-
-	delta += head->truesize;
-	if (delta)
-		add_frag_mem_limit(qp->q.net, delta);
-
-	/* If the first fragment is fragmented itself, we split
-	 * it to two chunks: the first with data and paged part
-	 * and the second, holding only fragments. */
-	if (skb_has_frag_list(head)) {
-		struct sk_buff *clone;
-		int i, plen = 0;
-
-		clone = alloc_skb(0, GFP_ATOMIC);
-		if (!clone)
-			goto out_nomem;
-		skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
-		skb_frag_list_init(head);
-		for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
-			plen += skb_frag_size(&skb_shinfo(head)->frags[i]);
-		clone->len = clone->data_len = head->data_len - plen;
-		head->truesize += clone->truesize;
-		clone->csum = 0;
-		clone->ip_summed = head->ip_summed;
-		add_frag_mem_limit(qp->q.net, clone->truesize);
-		skb_shinfo(head)->frag_list = clone;
-		nextp = &clone->next;
-	} else {
-		nextp = &skb_shinfo(head)->frag_list;
-	}
+	inet_frag_reasm_finish(&qp->q, skb, reasm_data);
 
-	skb_push(head, head->data - skb_network_header(head));
+	skb->dev = dev;
+	IPCB(skb)->frag_max_size = max(qp->max_df_size, qp->q.max_size);
 
-	/* Traverse the tree in order, to build frag_list. */
-	fp = FRAG_CB(head)->next_frag;
-	rbn = rb_next(&head->rbnode);
-	rb_erase(&head->rbnode, &qp->q.rb_fragments);
-	while (rbn || fp) {
-		/* fp points to the next sk_buff in the current run;
-		 * rbn points to the next run.
-		 */
-		/* Go through the current run. */
-		while (fp) {
-			*nextp = fp;
-			nextp = &fp->next;
-			fp->prev = NULL;
-			memset(&fp->rbnode, 0, sizeof(fp->rbnode));
-			fp->sk = NULL;
-			head->data_len += fp->len;
-			head->len += fp->len;
-			if (head->ip_summed != fp->ip_summed)
-				head->ip_summed = CHECKSUM_NONE;
-			else if (head->ip_summed == CHECKSUM_COMPLETE)
-				head->csum = csum_add(head->csum, fp->csum);
-			head->truesize += fp->truesize;
-			fp = FRAG_CB(fp)->next_frag;
-		}
-		/* Move to the next run. */
-		if (rbn) {
-			struct rb_node *rbnext = rb_next(rbn);
-
-			fp = rb_to_skb(rbn);
-			rb_erase(rbn, &qp->q.rb_fragments);
-			rbn = rbnext;
-		}
-	}
-	sub_frag_mem_limit(qp->q.net, head->truesize);
-
-	*nextp = NULL;
-	head->next = NULL;
-	head->prev = NULL;
-	head->dev = dev;
-	head->tstamp = qp->q.stamp;
-	IPCB(head)->frag_max_size = max(qp->max_df_size, qp->q.max_size);
-
-	iph = ip_hdr(head);
+	iph = ip_hdr(skb);
 	iph->tot_len = htons(len);
 	iph->tos |= ecn;
 
@@ -653,7 +443,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *skb,
 	 * from one very small df-fragment and one large non-df frag.
 	 */
 	if (qp->max_df_size == qp->q.max_size) {
-		IPCB(head)->flags |= IPSKB_FRAG_PMTU;
+		IPCB(skb)->flags |= IPSKB_FRAG_PMTU;
 		iph->frag_off = htons(IP_DF);
 	} else {
 		iph->frag_off = 0;
@@ -751,28 +541,6 @@ struct sk_buff *ip_check_defrag(struct net *net, struct sk_buff *skb, u32 user)
 }
 EXPORT_SYMBOL(ip_check_defrag);
 
-unsigned int inet_frag_rbtree_purge(struct rb_root *root)
-{
-	struct rb_node *p = rb_first(root);
-	unsigned int sum = 0;
-
-	while (p) {
-		struct sk_buff *skb = rb_entry(p, struct sk_buff, rbnode);
-
-		p = rb_next(p);
-		rb_erase(&skb->rbnode, root);
-		while (skb) {
-			struct sk_buff *next = FRAG_CB(skb)->next_frag;
-
-			sum += skb->truesize;
-			kfree_skb(skb);
-			skb = next;
-		}
-	}
-	return sum;
-}
-EXPORT_SYMBOL(inet_frag_rbtree_purge);
-
 #ifdef CONFIG_SYSCTL
 static int dist_min;
 
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 7a556e459375..98c81c21b753 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -1187,9 +1187,23 @@ static struct dst_entry *ipv4_dst_check(struct dst_entry *dst, u32 cookie)
 
 static void ipv4_link_failure(struct sk_buff *skb)
 {
+	struct ip_options opt;
 	struct rtable *rt;
+	int res;
 
-	icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0);
+	/* Recompile ip options since IPCB may not be valid anymore.
+	 */
+	memset(&opt, 0, sizeof(opt));
+	opt.optlen = ip_hdr(skb)->ihl*4 - sizeof(struct iphdr);
+
+	rcu_read_lock();
+	res = __ip_options_compile(dev_net(skb->dev), &opt, skb, NULL);
+	rcu_read_unlock();
+
+	if (res)
+		return;
+
+	__icmp_send(skb, ICMP_DEST_UNREACH, ICMP_HOST_UNREACH, 0, &opt);
 
 	rt = skb_rtable(skb);
 	if (rt)
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 572f79abd393..cfdd70e32755 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -402,11 +402,12 @@ static int __tcp_grow_window(const struct sock *sk, const struct sk_buff *skb)
 static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
 {
 	struct tcp_sock *tp = tcp_sk(sk);
+	int room;
+
+	room = min_t(int, tp->window_clamp, tcp_space(sk)) - tp->rcv_ssthresh;
 
 	/* Check #1 */
-	if (tp->rcv_ssthresh < tp->window_clamp &&
-	    (int)tp->rcv_ssthresh < tcp_space(sk) &&
-	    !tcp_under_memory_pressure(sk)) {
+	if (room > 0 && !tcp_under_memory_pressure(sk)) {
 		int incr;
 
 		/* Check #2. Increase window, if skb with such overhead
@@ -419,8 +420,7 @@ static void tcp_grow_window(struct sock *sk, const struct sk_buff *skb)
 
 		if (incr) {
 			incr = max_t(int, incr, 2 * skb->len);
-			tp->rcv_ssthresh = min(tp->rcv_ssthresh + incr,
-					       tp->window_clamp);
+			tp->rcv_ssthresh += min(room, incr);
 			inet_csk(sk)->icsk_ack.quick |= 1;
 		}
 	}
diff --git a/net/ipv6/netfilter/nf_conntrack_reasm.c b/net/ipv6/netfilter/nf_conntrack_reasm.c
index 043ed8eb0ab9..cb1b4772dac0 100644
--- a/net/ipv6/netfilter/nf_conntrack_reasm.c
+++ b/net/ipv6/netfilter/nf_conntrack_reasm.c
@@ -136,6 +136,9 @@ static void __net_exit nf_ct_frags6_sysctl_unregister(struct net *net)
 }
 #endif
 
+static int nf_ct_frag6_reasm(struct frag_queue *fq, struct sk_buff *skb,
+			     struct sk_buff *prev_tail, struct net_device *dev);
+
 static inline u8 ip6_frag_ecn(const struct ipv6hdr *ipv6h)
 {
 	return 1 << (ipv6_get_dsfield(ipv6h) & INET_ECN_MASK);
@@ -177,9 +180,10 @@ static struct frag_queue *fq_find(struct net *net, __be32 id, u32 user,
 static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb,
 			     const struct frag_hdr *fhdr, int nhoff)
 {
-	struct sk_buff *prev, *next;
 	unsigned int payload_len;
-	int offset, end;
+	struct net_device *dev;
+	struct sk_buff *prev;
+	int offset, end, err;
 	u8 ecn;
 
 	if (fq->q.flags & INET_FRAG_COMPLETE) {
@@ -254,55 +258,18 @@ static int nf_ct_frag6_queue(struct frag_queue *fq, struct sk_buff *skb,
 		goto err;
 	}
 
-	/* Find out which fragments are in front and at the back of us
-	 * in the chain of fragments so far.  We must know where to put
-	 * this fragment, right?
-	 */
-	prev = fq->q.fragments_tail;
-	if (!prev || prev->ip_defrag_offset < offset) {
-		next = NULL;
-		goto found;
-	}
-	prev = NULL;
-	for (next = fq->q.fragments; next != NULL; next = next->next) {
-		if (next->ip_defrag_offset >= offset)
-			break;	/* bingo! */
-		prev = next;
-	}
-
-found:
-	/* RFC5722, Section 4:
-	 *                                  When reassembling an IPv6 datagram, if
-	 *   one or more its constituent fragments is determined to be an
-	 *   overlapping fragment, the entire datagram (and any constituent
-	 *   fragments, including those not yet received) MUST be silently
-	 *   discarded.
-	 */
-
-	/* Check for overlap with preceding fragment. */
-	if (prev &&
-	    (prev->ip_defrag_offset + prev->len) > offset)
-		goto discard_fq;
-
-	/* Look for overlap with succeeding segment. */
-	if (next && next->ip_defrag_offset < end)
-		goto discard_fq;
-
-	/* Note : skb->ip_defrag_offset and skb->dev share the same location */
-	if (skb->dev)
-		fq->iif = skb->dev->ifindex;
+	/* Note : skb->rbnode and skb->dev share the same location. */
+	dev = skb->dev;
 	/* Makes sure compiler wont do silly aliasing games */
 	barrier();
-	skb->ip_defrag_offset = offset;
 
-	/* Insert this fragment in the chain of fragments. */
-	skb->next = next;
-	if (!next)
-		fq->q.fragments_tail = skb;
-	if (prev)
-		prev->next = skb;
-	else
-		fq->q.fragments = skb;
+	prev = fq->q.fragments_tail;
+	err = inet_frag_queue_insert(&fq->q, skb, offset, end);
+	if (err)
+		goto insert_error;
+
+	if (dev)
+		fq->iif = dev->ifindex;
 
 	fq->q.stamp = skb->tstamp;
 	fq->q.meat += skb->len;
@@ -319,11 +286,25 @@ found:
 		fq->q.flags |= INET_FRAG_FIRST_IN;
 	}
 
-	return 0;
+	if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
+	    fq->q.meat == fq->q.len) {
+		unsigned long orefdst = skb->_skb_refdst;
+
+		skb->_skb_refdst = 0UL;
+		err = nf_ct_frag6_reasm(fq, skb, prev, dev);
+		skb->_skb_refdst = orefdst;
+		return err;
+	}
+
+	skb_dst_drop(skb);
+	return -EINPROGRESS;
 
-discard_fq:
+insert_error:
+	if (err == IPFRAG_DUP)
+		goto err;
 	inet_frag_kill(&fq->q);
 err:
+	skb_dst_drop(skb);
 	return -EINVAL;
 }
 
@@ -333,147 +314,67 @@ err:
  *	It is called with locked fq, and caller must check that
  *	queue is eligible for reassembly i.e. it is not COMPLETE,
  *	the last and the first frames arrived and all the bits are here.
- *
- *	returns true if *prev skb has been transformed into the reassembled
- *	skb, false otherwise.
  */
-static bool
-nf_ct_frag6_reasm(struct frag_queue *fq, struct sk_buff *prev,  struct net_device *dev)
+static int nf_ct_frag6_reasm(struct frag_queue *fq, struct sk_buff *skb,
+			     struct sk_buff *prev_tail, struct net_device *dev)
 {
-	struct sk_buff *fp, *head = fq->q.fragments;
-	int    payload_len, delta;
+	void *reasm_data;
+	int payload_len;
 	u8 ecn;
 
 	inet_frag_kill(&fq->q);
 
-	WARN_ON(head == NULL);
-	WARN_ON(head->ip_defrag_offset != 0);
-
 	ecn = ip_frag_ecn_table[fq->ecn];
 	if (unlikely(ecn == 0xff))
-		return false;
+		goto err;
+
+	reasm_data = inet_frag_reasm_prepare(&fq->q, skb, prev_tail);
+	if (!reasm_data)
+		goto err;
 
-	/* Unfragmented part is taken from the first segment. */
-	payload_len = ((head->data - skb_network_header(head)) -
+	payload_len = ((skb->data - skb_network_header(skb)) -
 		       sizeof(struct ipv6hdr) + fq->q.len -
 		       sizeof(struct frag_hdr));
 	if (payload_len > IPV6_MAXPLEN) {
 		net_dbg_ratelimited("nf_ct_frag6_reasm: payload len = %d\n",
 				    payload_len);
-		return false;
-	}
-
-	delta = - head->truesize;
-
-	/* Head of list must not be cloned. */
-	if (skb_unclone(head, GFP_ATOMIC))
-		return false;
-
-	delta += head->truesize;
-	if (delta)
-		add_frag_mem_limit(fq->q.net, delta);
-
-	/* If the first fragment is fragmented itself, we split
-	 * it to two chunks: the first with data and paged part
-	 * and the second, holding only fragments. */
-	if (skb_has_frag_list(head)) {
-		struct sk_buff *clone;
-		int i, plen = 0;
-
-		clone = alloc_skb(0, GFP_ATOMIC);
-		if (clone == NULL)
-			return false;
-
-		clone->next = head->next;
-		head->next = clone;
-		skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
-		skb_frag_list_init(head);
-		for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
-			plen += skb_frag_size(&skb_shinfo(head)->frags[i]);
-		clone->len = clone->data_len = head->data_len - plen;
-		head->data_len -= clone->len;
-		head->len -= clone->len;
-		clone->csum = 0;
-		clone->ip_summed = head->ip_summed;
-
-		add_frag_mem_limit(fq->q.net, clone->truesize);
-	}
-
-	/* morph head into last received skb: prev.
-	 *
-	 * This allows callers of ipv6 conntrack defrag to continue
-	 * to use the last skb(frag) passed into the reasm engine.
-	 * The last skb frag 'silently' turns into the full reassembled skb.
-	 *
-	 * Since prev is also part of q->fragments we have to clone it first.
-	 */
-	if (head != prev) {
-		struct sk_buff *iter;
-
-		fp = skb_clone(prev, GFP_ATOMIC);
-		if (!fp)
-			return false;
-
-		fp->next = prev->next;
-
-		iter = head;
-		while (iter) {
-			if (iter->next == prev) {
-				iter->next = fp;
-				break;
-			}
-			iter = iter->next;
-		}
-
-		skb_morph(prev, head);
-		prev->next = head->next;
-		consume_skb(head);
-		head = prev;
+		goto err;
 	}
 
 	/* We have to remove fragment header from datagram and to relocate
 	 * header in order to calculate ICV correctly. */
-	skb_network_header(head)[fq->nhoffset] = skb_transport_header(head)[0];
-	memmove(head->head + sizeof(struct frag_hdr), head->head,
-		(head->data - head->head) - sizeof(struct frag_hdr));
-	head->mac_header += sizeof(struct frag_hdr);
-	head->network_header += sizeof(struct frag_hdr);
-
-	skb_shinfo(head)->frag_list = head->next;
-	skb_reset_transport_header(head);
-	skb_push(head, head->data - skb_network_header(head));
-
-	for (fp = head->next; fp; fp = fp->next) {
-		head->data_len += fp->len;
-		head->len += fp->len;
-		if (head->ip_summed != fp->ip_summed)
-			head->ip_summed = CHECKSUM_NONE;
-		else if (head->ip_summed == CHECKSUM_COMPLETE)
-			head->csum = csum_add(head->csum, fp->csum);
-		head->truesize += fp->truesize;
-		fp->sk = NULL;
-	}
-	sub_frag_mem_limit(fq->q.net, head->truesize);
+	skb_network_header(skb)[fq->nhoffset] = skb_transport_header(skb)[0];
+	memmove(skb->head + sizeof(struct frag_hdr), skb->head,
+		(skb->data - skb->head) - sizeof(struct frag_hdr));
+	skb->mac_header += sizeof(struct frag_hdr);
+	skb->network_header += sizeof(struct frag_hdr);
+
+	skb_reset_transport_header(skb);
+
+	inet_frag_reasm_finish(&fq->q, skb, reasm_data);
 
-	head->ignore_df = 1;
-	head->next = NULL;
-	head->dev = dev;
-	head->tstamp = fq->q.stamp;
-	ipv6_hdr(head)->payload_len = htons(payload_len);
-	ipv6_change_dsfield(ipv6_hdr(head), 0xff, ecn);
-	IP6CB(head)->frag_max_size = sizeof(struct ipv6hdr) + fq->q.max_size;
+	skb->ignore_df = 1;
+	skb->dev = dev;
+	ipv6_hdr(skb)->payload_len = htons(payload_len);
+	ipv6_change_dsfield(ipv6_hdr(skb), 0xff, ecn);
+	IP6CB(skb)->frag_max_size = sizeof(struct ipv6hdr) + fq->q.max_size;
 
 	/* Yes, and fold redundant checksum back. 8) */
-	if (head->ip_summed == CHECKSUM_COMPLETE)
-		head->csum = csum_partial(skb_network_header(head),
-					  skb_network_header_len(head),
-					  head->csum);
+	if (skb->ip_summed == CHECKSUM_COMPLETE)
+		skb->csum = csum_partial(skb_network_header(skb),
+					 skb_network_header_len(skb),
+					 skb->csum);
 
 	fq->q.fragments = NULL;
 	fq->q.rb_fragments = RB_ROOT;
 	fq->q.fragments_tail = NULL;
+	fq->q.last_run_head = NULL;
 
-	return true;
+	return 0;
+
+err:
+	inet_frag_kill(&fq->q);
+	return -EINVAL;
 }
 
 /*
@@ -542,7 +443,6 @@ find_prev_fhdr(struct sk_buff *skb, u8 *prevhdrp, int *prevhoff, int *fhoff)
 int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user)
 {
 	u16 savethdr = skb->transport_header;
-	struct net_device *dev = skb->dev;
 	int fhoff, nhoff, ret;
 	struct frag_hdr *fhdr;
 	struct frag_queue *fq;
@@ -565,10 +465,6 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user)
 	hdr = ipv6_hdr(skb);
 	fhdr = (struct frag_hdr *)skb_transport_header(skb);
 
-	if (skb->len - skb_network_offset(skb) < IPV6_MIN_MTU &&
-	    fhdr->frag_off & htons(IP6_MF))
-		return -EINVAL;
-
 	skb_orphan(skb);
 	fq = fq_find(net, fhdr->identification, user, hdr,
 		     skb->dev ? skb->dev->ifindex : 0);
@@ -580,31 +476,17 @@ int nf_ct_frag6_gather(struct net *net, struct sk_buff *skb, u32 user)
 	spin_lock_bh(&fq->q.lock);
 
 	ret = nf_ct_frag6_queue(fq, skb, fhdr, nhoff);
-	if (ret < 0) {
-		if (ret == -EPROTO) {
-			skb->transport_header = savethdr;
-			ret = 0;
-		}
-		goto out_unlock;
+	if (ret == -EPROTO) {
+		skb->transport_header = savethdr;
+		ret = 0;
 	}
 
 	/* after queue has assumed skb ownership, only 0 or -EINPROGRESS
 	 * must be returned.
 	 */
-	ret = -EINPROGRESS;
-	if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
-	    fq->q.meat == fq->q.len) {
-		unsigned long orefdst = skb->_skb_refdst;
-
-		skb->_skb_refdst = 0UL;
-		if (nf_ct_frag6_reasm(fq, skb, dev))
-			ret = 0;
-		skb->_skb_refdst = orefdst;
-	} else {
-		skb_dst_drop(skb);
-	}
+	if (ret)
+		ret = -EINPROGRESS;
 
-out_unlock:
 	spin_unlock_bh(&fq->q.lock);
 	inet_frag_put(&fq->q);
 	return ret;
diff --git a/net/ipv6/reassembly.c b/net/ipv6/reassembly.c
index 7c943392c128..095825f964e2 100644
--- a/net/ipv6/reassembly.c
+++ b/net/ipv6/reassembly.c
@@ -69,8 +69,8 @@ static u8 ip6_frag_ecn(const struct ipv6hdr *ipv6h)
 
 static struct inet_frags ip6_frags;
 
-static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
-			  struct net_device *dev);
+static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *skb,
+			  struct sk_buff *prev_tail, struct net_device *dev);
 
 static void ip6_frag_expire(struct timer_list *t)
 {
@@ -111,21 +111,26 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
 			  struct frag_hdr *fhdr, int nhoff,
 			  u32 *prob_offset)
 {
-	struct sk_buff *prev, *next;
-	struct net_device *dev;
-	int offset, end, fragsize;
 	struct net *net = dev_net(skb_dst(skb)->dev);
+	int offset, end, fragsize;
+	struct sk_buff *prev_tail;
+	struct net_device *dev;
+	int err = -ENOENT;
 	u8 ecn;
 
 	if (fq->q.flags & INET_FRAG_COMPLETE)
 		goto err;
 
+	err = -EINVAL;
 	offset = ntohs(fhdr->frag_off) & ~0x7;
 	end = offset + (ntohs(ipv6_hdr(skb)->payload_len) -
 			((u8 *)(fhdr + 1) - (u8 *)(ipv6_hdr(skb) + 1)));
 
 	if ((unsigned int)end > IPV6_MAXPLEN) {
 		*prob_offset = (u8 *)&fhdr->frag_off - skb_network_header(skb);
+		/* note that if prob_offset is set, the skb is freed elsewhere,
+		 * we do not free it here.
+		 */
 		return -1;
 	}
 
@@ -145,7 +150,7 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
 		 */
 		if (end < fq->q.len ||
 		    ((fq->q.flags & INET_FRAG_LAST_IN) && end != fq->q.len))
-			goto err;
+			goto discard_fq;
 		fq->q.flags |= INET_FRAG_LAST_IN;
 		fq->q.len = end;
 	} else {
@@ -162,70 +167,35 @@ static int ip6_frag_queue(struct frag_queue *fq, struct sk_buff *skb,
 		if (end > fq->q.len) {
 			/* Some bits beyond end -> corruption. */
 			if (fq->q.flags & INET_FRAG_LAST_IN)
-				goto err;
+				goto discard_fq;
 			fq->q.len = end;
 		}
 	}
 
 	if (end == offset)
-		goto err;
+		goto discard_fq;
 
+	err = -ENOMEM;
 	/* Point into the IP datagram 'data' part. */
 	if (!pskb_pull(skb, (u8 *) (fhdr + 1) - skb->data))
-		goto err;
-
-	if (pskb_trim_rcsum(skb, end - offset))
-		goto err;
-
-	/* Find out which fragments are in front and at the back of us
-	 * in the chain of fragments so far.  We must know where to put
-	 * this fragment, right?
-	 */
-	prev = fq->q.fragments_tail;
-	if (!prev || prev->ip_defrag_offset < offset) {
-		next = NULL;
-		goto found;
-	}
-	prev = NULL;
-	for (next = fq->q.fragments; next != NULL; next = next->next) {
-		if (next->ip_defrag_offset >= offset)
-			break;	/* bingo! */
-		prev = next;
-	}
-
-found:
-	/* RFC5722, Section 4, amended by Errata ID : 3089
-	 *                          When reassembling an IPv6 datagram, if
-	 *   one or more its constituent fragments is determined to be an
-	 *   overlapping fragment, the entire datagram (and any constituent
-	 *   fragments) MUST be silently discarded.
-	 */
-
-	/* Check for overlap with preceding fragment. */
-	if (prev &&
-	    (prev->ip_defrag_offset + prev->len) > offset)
 		goto discard_fq;
 
-	/* Look for overlap with succeeding segment. */
-	if (next && next->ip_defrag_offset < end)
+	err = pskb_trim_rcsum(skb, end - offset);
+	if (err)
 		goto discard_fq;
 
-	/* Note : skb->ip_defrag_offset and skb->dev share the same location */
+	/* Note : skb->rbnode and skb->dev share the same location. */
 	dev = skb->dev;
-	if (dev)
-		fq->iif = dev->ifindex;
 	/* Makes sure compiler wont do silly aliasing games */
 	barrier();
-	skb->ip_defrag_offset = offset;
 
-	/* Insert this fragment in the chain of fragments. */
-	skb->next = next;
-	if (!next)
-		fq->q.fragments_tail = skb;
-	if (prev)
-		prev->next = skb;
-	else
-		fq->q.fragments = skb;
+	prev_tail = fq->q.fragments_tail;
+	err = inet_frag_queue_insert(&fq->q, skb, offset, end);
+	if (err)
+		goto insert_error;
+
+	if (dev)
+		fq->iif = dev->ifindex;
 
 	fq->q.stamp = skb->tstamp;
 	fq->q.meat += skb->len;
@@ -246,44 +216,48 @@ found:
 
 	if (fq->q.flags == (INET_FRAG_FIRST_IN | INET_FRAG_LAST_IN) &&
 	    fq->q.meat == fq->q.len) {
-		int res;
 		unsigned long orefdst = skb->_skb_refdst;
 
 		skb->_skb_refdst = 0UL;
-		res = ip6_frag_reasm(fq, prev, dev);
+		err = ip6_frag_reasm(fq, skb, prev_tail, dev);
 		skb->_skb_refdst = orefdst;
-		return res;
+		return err;
 	}
 
 	skb_dst_drop(skb);
-	return -1;
+	return -EINPROGRESS;
 
+insert_error:
+	if (err == IPFRAG_DUP) {
+		kfree_skb(skb);
+		return -EINVAL;
+	}
+	err = -EINVAL;
+	__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
+			IPSTATS_MIB_REASM_OVERLAPS);
 discard_fq:
 	inet_frag_kill(&fq->q);
-err:
 	__IP6_INC_STATS(net, ip6_dst_idev(skb_dst(skb)),
 			IPSTATS_MIB_REASMFAILS);
+err:
 	kfree_skb(skb);
-	return -1;
+	return err;
 }
 
 /*
  *	Check if this packet is complete.
- *	Returns NULL on failure by any reason, and pointer
- *	to current nexthdr field in reassembled frame.
  *
  *	It is called with locked fq, and caller must check that
  *	queue is eligible for reassembly i.e. it is not COMPLETE,
  *	the last and the first frames arrived and all the bits are here.
  */
-static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
-			  struct net_device *dev)
+static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *skb,
+			  struct sk_buff *prev_tail, struct net_device *dev)
 {
 	struct net *net = container_of(fq->q.net, struct net, ipv6.frags);
-	struct sk_buff *fp, *head = fq->q.fragments;
-	int    payload_len, delta;
 	unsigned int nhoff;
-	int sum_truesize;
+	void *reasm_data;
+	int payload_len;
 	u8 ecn;
 
 	inet_frag_kill(&fq->q);
@@ -292,121 +266,40 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
 	if (unlikely(ecn == 0xff))
 		goto out_fail;
 
-	/* Make the one we just received the head. */
-	if (prev) {
-		head = prev->next;
-		fp = skb_clone(head, GFP_ATOMIC);
-
-		if (!fp)
-			goto out_oom;
-
-		fp->next = head->next;
-		if (!fp->next)
-			fq->q.fragments_tail = fp;
-		prev->next = fp;
-
-		skb_morph(head, fq->q.fragments);
-		head->next = fq->q.fragments->next;
-
-		consume_skb(fq->q.fragments);
-		fq->q.fragments = head;
-	}
-
-	WARN_ON(head == NULL);
-	WARN_ON(head->ip_defrag_offset != 0);
+	reasm_data = inet_frag_reasm_prepare(&fq->q, skb, prev_tail);
+	if (!reasm_data)
+		goto out_oom;
 
-	/* Unfragmented part is taken from the first segment. */
-	payload_len = ((head->data - skb_network_header(head)) -
+	payload_len = ((skb->data - skb_network_header(skb)) -
 		       sizeof(struct ipv6hdr) + fq->q.len -
 		       sizeof(struct frag_hdr));
 	if (payload_len > IPV6_MAXPLEN)
 		goto out_oversize;
 
-	delta = - head->truesize;
-
-	/* Head of list must not be cloned. */
-	if (skb_unclone(head, GFP_ATOMIC))
-		goto out_oom;
-
-	delta += head->truesize;
-	if (delta)
-		add_frag_mem_limit(fq->q.net, delta);
-
-	/* If the first fragment is fragmented itself, we split
-	 * it to two chunks: the first with data and paged part
-	 * and the second, holding only fragments. */
-	if (skb_has_frag_list(head)) {
-		struct sk_buff *clone;
-		int i, plen = 0;
-
-		clone = alloc_skb(0, GFP_ATOMIC);
-		if (!clone)
-			goto out_oom;
-		clone->next = head->next;
-		head->next = clone;
-		skb_shinfo(clone)->frag_list = skb_shinfo(head)->frag_list;
-		skb_frag_list_init(head);
-		for (i = 0; i < skb_shinfo(head)->nr_frags; i++)
-			plen += skb_frag_size(&skb_shinfo(head)->frags[i]);
-		clone->len = clone->data_len = head->data_len - plen;
-		head->data_len -= clone->len;
-		head->len -= clone->len;
-		clone->csum = 0;
-		clone->ip_summed = head->ip_summed;
-		add_frag_mem_limit(fq->q.net, clone->truesize);
-	}
-
 	/* We have to remove fragment header from datagram and to relocate
 	 * header in order to calculate ICV correctly. */
 	nhoff = fq->nhoffset;
-	skb_network_header(head)[nhoff] = skb_transport_header(head)[0];
-	memmove(head->head + sizeof(struct frag_hdr), head->head,
-		(head->data - head->head) - sizeof(struct frag_hdr));
-	if (skb_mac_header_was_set(head))
-		head->mac_header += sizeof(struct frag_hdr);
-	head->network_header += sizeof(struct frag_hdr);
-
-	skb_reset_transport_header(head);
-	skb_push(head, head->data - skb_network_header(head));
-
-	sum_truesize = head->truesize;
-	for (fp = head->next; fp;) {
-		bool headstolen;
-		int delta;
-		struct sk_buff *next = fp->next;
-
-		sum_truesize += fp->truesize;
-		if (head->ip_summed != fp->ip_summed)
-			head->ip_summed = CHECKSUM_NONE;
-		else if (head->ip_summed == CHECKSUM_COMPLETE)
-			head->csum = csum_add(head->csum, fp->csum);
-
-		if (skb_try_coalesce(head, fp, &headstolen, &delta)) {
-			kfree_skb_partial(fp, headstolen);
-		} else {
-			fp->sk = NULL;
-			if (!skb_shinfo(head)->frag_list)
-				skb_shinfo(head)->frag_list = fp;
-			head->data_len += fp->len;
-			head->len += fp->len;
-			head->truesize += fp->truesize;
-		}
-		fp = next;
-	}
-	sub_frag_mem_limit(fq->q.net, sum_truesize);
+	skb_network_header(skb)[nhoff] = skb_transport_header(skb)[0];
+	memmove(skb->head + sizeof(struct frag_hdr), skb->head,
+		(skb->data - skb->head) - sizeof(struct frag_hdr));
+	if (skb_mac_header_was_set(skb))
+		skb->mac_header += sizeof(struct frag_hdr);
+	skb->network_header += sizeof(struct frag_hdr);
+
+	skb_reset_transport_header(skb);
+
+	inet_frag_reasm_finish(&fq->q, skb, reasm_data);
 
-	head->next = NULL;
-	head->dev = dev;
-	head->tstamp = fq->q.stamp;
-	ipv6_hdr(head)->payload_len = htons(payload_len);
-	ipv6_change_dsfield(ipv6_hdr(head), 0xff, ecn);
-	IP6CB(head)->nhoff = nhoff;
-	IP6CB(head)->flags |= IP6SKB_FRAGMENTED;
-	IP6CB(head)->frag_max_size = fq->q.max_size;
+	skb->dev = dev;
+	ipv6_hdr(skb)->payload_len = htons(payload_len);
+	ipv6_change_dsfield(ipv6_hdr(skb), 0xff, ecn);
+	IP6CB(skb)->nhoff = nhoff;
+	IP6CB(skb)->flags |= IP6SKB_FRAGMENTED;
+	IP6CB(skb)->frag_max_size = fq->q.max_size;
 
 	/* Yes, and fold redundant checksum back. 8) */
-	skb_postpush_rcsum(head, skb_network_header(head),
-			   skb_network_header_len(head));
+	skb_postpush_rcsum(skb, skb_network_header(skb),
+			   skb_network_header_len(skb));
 
 	rcu_read_lock();
 	__IP6_INC_STATS(net, __in6_dev_get(dev), IPSTATS_MIB_REASMOKS);
@@ -414,6 +307,7 @@ static int ip6_frag_reasm(struct frag_queue *fq, struct sk_buff *prev,
 	fq->q.fragments = NULL;
 	fq->q.rb_fragments = RB_ROOT;
 	fq->q.fragments_tail = NULL;
+	fq->q.last_run_head = NULL;
 	return 1;
 
 out_oversize:
@@ -425,6 +319,7 @@ out_fail:
 	rcu_read_lock();
 	__IP6_INC_STATS(net, __in6_dev_get(dev), IPSTATS_MIB_REASMFAILS);
 	rcu_read_unlock();
+	inet_frag_kill(&fq->q);
 	return -1;
 }
 
@@ -463,10 +358,6 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
 		return 1;
 	}
 
-	if (skb->len - skb_network_offset(skb) < IPV6_MIN_MTU &&
-	    fhdr->frag_off & htons(IP6_MF))
-		goto fail_hdr;
-
 	iif = skb->dev ? skb->dev->ifindex : 0;
 	fq = fq_find(net, fhdr->identification, hdr, iif);
 	if (fq) {
@@ -484,6 +375,7 @@ static int ipv6_frag_rcv(struct sk_buff *skb)
 		if (prob_offset) {
 			__IP6_INC_STATS(net, __in6_dev_get_safely(skb->dev),
 					IPSTATS_MIB_INHDRERRORS);
+			/* icmpv6_param_prob() calls kfree_skb(skb) */
 			icmpv6_param_prob(skb, ICMPV6_HDR_FIELD, prob_offset);
 		}
 		return ret;
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 9006bb3c9e72..06fa8425d82c 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2367,6 +2367,10 @@ static void __ip6_rt_update_pmtu(struct dst_entry *dst, const struct sock *sk,
 
 		rcu_read_lock();
 		from = rcu_dereference(rt6->from);
+		if (!from) {
+			rcu_read_unlock();
+			return;
+		}
 		nrt6 = ip6_rt_cache_alloc(from, daddr, saddr);
 		if (nrt6) {
 			rt6_do_update_pmtu(nrt6, mtu);
diff --git a/net/mac80211/driver-ops.h b/net/mac80211/driver-ops.h
index 8f6998091d26..2123f6e90fc0 100644
--- a/net/mac80211/driver-ops.h
+++ b/net/mac80211/driver-ops.h
@@ -1166,6 +1166,9 @@ static inline void drv_wake_tx_queue(struct ieee80211_local *local,
 {
 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(txq->txq.vif);
 
+	if (local->in_reconfig)
+		return;
+
 	if (!check_sdata_in_driver(sdata))
 		return;
 
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index 793016d722ec..9fd37d91b5ed 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1508,32 +1508,29 @@ static unsigned int cake_drop(struct Qdisc *sch, struct sk_buff **to_free)
 	return idx + (tin << 16);
 }
 
-static void cake_wash_diffserv(struct sk_buff *skb)
-{
-	switch (skb->protocol) {
-	case htons(ETH_P_IP):
-		ipv4_change_dsfield(ip_hdr(skb), INET_ECN_MASK, 0);
-		break;
-	case htons(ETH_P_IPV6):
-		ipv6_change_dsfield(ipv6_hdr(skb), INET_ECN_MASK, 0);
-		break;
-	default:
-		break;
-	}
-}
-
 static u8 cake_handle_diffserv(struct sk_buff *skb, u16 wash)
 {
+	int wlen = skb_network_offset(skb);
 	u8 dscp;
 
-	switch (skb->protocol) {
+	switch (tc_skb_protocol(skb)) {
 	case htons(ETH_P_IP):
+		wlen += sizeof(struct iphdr);
+		if (!pskb_may_pull(skb, wlen) ||
+		    skb_try_make_writable(skb, wlen))
+			return 0;
+
 		dscp = ipv4_get_dsfield(ip_hdr(skb)) >> 2;
 		if (wash && dscp)
 			ipv4_change_dsfield(ip_hdr(skb), INET_ECN_MASK, 0);
 		return dscp;
 
 	case htons(ETH_P_IPV6):
+		wlen += sizeof(struct ipv6hdr);
+		if (!pskb_may_pull(skb, wlen) ||
+		    skb_try_make_writable(skb, wlen))
+			return 0;
+
 		dscp = ipv6_get_dsfield(ipv6_hdr(skb)) >> 2;
 		if (wash && dscp)
 			ipv6_change_dsfield(ipv6_hdr(skb), INET_ECN_MASK, 0);
@@ -1553,25 +1550,27 @@ static struct cake_tin_data *cake_select_tin(struct Qdisc *sch,
 {
 	struct cake_sched_data *q = qdisc_priv(sch);
 	u32 tin;
+	u8 dscp;
+
+	/* Tin selection: Default to diffserv-based selection, allow overriding
+	 * using firewall marks or skb->priority.
+	 */
+	dscp = cake_handle_diffserv(skb,
+				    q->rate_flags & CAKE_FLAG_WASH);
 
-	if (TC_H_MAJ(skb->priority) == sch->handle &&
-	    TC_H_MIN(skb->priority) > 0 &&
-	    TC_H_MIN(skb->priority) <= q->tin_cnt) {
+	if (q->tin_mode == CAKE_DIFFSERV_BESTEFFORT)
+		tin = 0;
+
+	else if (TC_H_MAJ(skb->priority) == sch->handle &&
+		 TC_H_MIN(skb->priority) > 0 &&
+		 TC_H_MIN(skb->priority) <= q->tin_cnt)
 		tin = q->tin_order[TC_H_MIN(skb->priority) - 1];
 
-		if (q->rate_flags & CAKE_FLAG_WASH)
-			cake_wash_diffserv(skb);
-	} else if (q->tin_mode != CAKE_DIFFSERV_BESTEFFORT) {
-		/* extract the Diffserv Precedence field, if it exists */
-		/* and clear DSCP bits if washing */
-		tin = q->tin_index[cake_handle_diffserv(skb,
-				q->rate_flags & CAKE_FLAG_WASH)];
+	else {
+		tin = q->tin_index[dscp];
+
 		if (unlikely(tin >= q->tin_cnt))
 			tin = 0;
-	} else {
-		tin = 0;
-		if (q->rate_flags & CAKE_FLAG_WASH)
-			cake_wash_diffserv(skb);
 	}
 
 	return &q->tins[tin];
diff --git a/net/tipc/name_table.c b/net/tipc/name_table.c
index 66d5b2c5987a..d72985ca1d55 100644
--- a/net/tipc/name_table.c
+++ b/net/tipc/name_table.c
@@ -908,7 +908,8 @@ static int tipc_nl_service_list(struct net *net, struct tipc_nl_msg *msg,
 	for (; i < TIPC_NAMETBL_SIZE; i++) {
 		head = &tn->nametbl->services[i];
 
-		if (*last_type) {
+		if (*last_type ||
+		    (!i && *last_key && (*last_lower == *last_key))) {
 			service = tipc_service_find(net, *last_type);
 			if (!service)
 				return -EPIPE;
diff --git a/scripts/mod/file2alias.c b/scripts/mod/file2alias.c
index 7be43697ff84..7f40b6aab689 100644
--- a/scripts/mod/file2alias.c
+++ b/scripts/mod/file2alias.c
@@ -47,49 +47,9 @@ typedef struct {
 struct devtable {
 	const char *device_id; /* name of table, __mod_<name>__*_device_table. */
 	unsigned long id_size;
-	void *function;
+	int (*do_entry)(const char *filename, void *symval, char *alias);
 };
 
-#define ___cat(a,b) a ## b
-#define __cat(a,b) ___cat(a,b)
-
-/* we need some special handling for this host tool running eventually on
- * Darwin. The Mach-O section handling is a bit different than ELF section
- * handling. The differnces in detail are:
- *  a) we have segments which have sections
- *  b) we need a API call to get the respective section symbols */
-#if defined(__MACH__)
-#include <mach-o/getsect.h>
-
-#define INIT_SECTION(name)  do {					\
-		unsigned long name ## _len;				\
-		char *__cat(pstart_,name) = getsectdata("__TEXT",	\
-			#name, &__cat(name,_len));			\
-		char *__cat(pstop_,name) = __cat(pstart_,name) +	\
-			__cat(name, _len);				\
-		__cat(__start_,name) = (void *)__cat(pstart_,name);	\
-		__cat(__stop_,name) = (void *)__cat(pstop_,name);	\
-	} while (0)
-#define SECTION(name)   __attribute__((section("__TEXT, " #name)))
-
-struct devtable **__start___devtable, **__stop___devtable;
-#else
-#define INIT_SECTION(name) /* no-op for ELF */
-#define SECTION(name)   __attribute__((section(#name)))
-
-/* We construct a table of pointers in an ELF section (pointers generally
- * go unpadded by gcc).  ld creates boundary syms for us. */
-extern struct devtable *__start___devtable[], *__stop___devtable[];
-#endif /* __MACH__ */
-
-#if !defined(__used)
-# if __GNUC__ == 3 && __GNUC_MINOR__ < 3
-#  define __used			__attribute__((__unused__))
-# else
-#  define __used			__attribute__((__used__))
-# endif
-#endif
-
 /* Define a variable f that holds the value of field f of struct devid
  * based at address m.
  */
@@ -102,16 +62,6 @@ extern struct devtable *__start___devtable[], *__stop___devtable[];
 #define DEF_FIELD_ADDR(m, devid, f) \
 	typeof(((struct devid *)0)->f) *f = ((m) + OFF_##devid##_##f)
 
-/* Add a table entry.  We test function type matches while we're here. */
-#define ADD_TO_DEVTABLE(device_id, type, function) \
-	static struct devtable __cat(devtable,__LINE__) = {	\
-		device_id + 0*sizeof((function)((const char *)NULL,	\
-						(void *)NULL,		\
-						(char *)NULL)),		\
-		SIZE_##type, (function) };				\
-	static struct devtable *SECTION(__devtable) __used \
-		__cat(devtable_ptr,__LINE__) = &__cat(devtable,__LINE__)
-
 #define ADD(str, sep, cond, field)                              \
 do {                                                            \
         strcat(str, sep);                                       \
@@ -431,7 +381,6 @@ static int do_hid_entry(const char *filename,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("hid", hid_device_id, do_hid_entry);
 
 /* Looks like: ieee1394:venNmoNspNverN */
 static int do_ieee1394_entry(const char *filename,
@@ -456,7 +405,6 @@ static int do_ieee1394_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("ieee1394", ieee1394_device_id, do_ieee1394_entry);
 
 /* Looks like: pci:vNdNsvNsdNbcNscNiN. */
 static int do_pci_entry(const char *filename,
@@ -500,7 +448,6 @@ static int do_pci_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("pci", pci_device_id, do_pci_entry);
 
 /* looks like: "ccw:tNmNdtNdmN" */
 static int do_ccw_entry(const char *filename,
@@ -524,7 +471,6 @@ static int do_ccw_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("ccw", ccw_device_id, do_ccw_entry);
 
 /* looks like: "ap:tN" */
 static int do_ap_entry(const char *filename,
@@ -535,7 +481,6 @@ static int do_ap_entry(const char *filename,
 	sprintf(alias, "ap:t%02X*", dev_type);
 	return 1;
 }
-ADD_TO_DEVTABLE("ap", ap_device_id, do_ap_entry);
 
 /* looks like: "css:tN" */
 static int do_css_entry(const char *filename,
@@ -546,7 +491,6 @@ static int do_css_entry(const char *filename,
 	sprintf(alias, "css:t%01X", type);
 	return 1;
 }
-ADD_TO_DEVTABLE("css", css_device_id, do_css_entry);
 
 /* Looks like: "serio:tyNprNidNexN" */
 static int do_serio_entry(const char *filename,
@@ -566,7 +510,6 @@ static int do_serio_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("serio", serio_device_id, do_serio_entry);
 
 /* looks like: "acpi:ACPI0003" or "acpi:PNP0C0B" or "acpi:LNXVIDEO" or
  *             "acpi:bbsspp" (bb=base-class, ss=sub-class, pp=prog-if)
@@ -604,7 +547,6 @@ static int do_acpi_entry(const char *filename,
 	}
 	return 1;
 }
-ADD_TO_DEVTABLE("acpi", acpi_device_id, do_acpi_entry);
 
 /* looks like: "pnp:dD" */
 static void do_pnp_device_entry(void *symval, unsigned long size,
@@ -725,7 +667,6 @@ static int do_pcmcia_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("pcmcia", pcmcia_device_id, do_pcmcia_entry);
 
 static int do_vio_entry(const char *filename, void *symval,
 		char *alias)
@@ -745,7 +686,6 @@ static int do_vio_entry(const char *filename, void *symval,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("vio", vio_device_id, do_vio_entry);
 
 #define ARRAY_SIZE(x) (sizeof(x) / sizeof((x)[0]))
 
@@ -818,7 +758,6 @@ static int do_input_entry(const char *filename, void *symval,
 		do_input(alias, *swbit, 0, INPUT_DEVICE_ID_SW_MAX);
 	return 1;
 }
-ADD_TO_DEVTABLE("input", input_device_id, do_input_entry);
 
 static int do_eisa_entry(const char *filename, void *symval,
 		char *alias)
@@ -830,7 +769,6 @@ static int do_eisa_entry(const char *filename, void *symval,
 		strcat(alias, "*");
 	return 1;
 }
-ADD_TO_DEVTABLE("eisa", eisa_device_id, do_eisa_entry);
 
 /* Looks like: parisc:tNhvNrevNsvN */
 static int do_parisc_entry(const char *filename, void *symval,
@@ -850,7 +788,6 @@ static int do_parisc_entry(const char *filename, void *symval,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("parisc", parisc_device_id, do_parisc_entry);
 
 /* Looks like: sdio:cNvNdN. */
 static int do_sdio_entry(const char *filename,
@@ -867,7 +804,6 @@ static int do_sdio_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("sdio", sdio_device_id, do_sdio_entry);
 
 /* Looks like: ssb:vNidNrevN. */
 static int do_ssb_entry(const char *filename,
@@ -884,7 +820,6 @@ static int do_ssb_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("ssb", ssb_device_id, do_ssb_entry);
 
 /* Looks like: bcma:mNidNrevNclN. */
 static int do_bcma_entry(const char *filename,
@@ -903,7 +838,6 @@ static int do_bcma_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("bcma", bcma_device_id, do_bcma_entry);
 
 /* Looks like: virtio:dNvN */
 static int do_virtio_entry(const char *filename, void *symval,
@@ -919,7 +853,6 @@ static int do_virtio_entry(const char *filename, void *symval,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("virtio", virtio_device_id, do_virtio_entry);
 
 /*
  * Looks like: vmbus:guid
@@ -942,7 +875,6 @@ static int do_vmbus_entry(const char *filename, void *symval,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("vmbus", hv_vmbus_device_id, do_vmbus_entry);
 
 /* Looks like: rpmsg:S */
 static int do_rpmsg_entry(const char *filename, void *symval,
@@ -953,7 +885,6 @@ static int do_rpmsg_entry(const char *filename, void *symval,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("rpmsg", rpmsg_device_id, do_rpmsg_entry);
 
 /* Looks like: i2c:S */
 static int do_i2c_entry(const char *filename, void *symval,
@@ -964,7 +895,6 @@ static int do_i2c_entry(const char *filename, void *symval,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("i2c", i2c_device_id, do_i2c_entry);
 
 /* Looks like: spi:S */
 static int do_spi_entry(const char *filename, void *symval,
@@ -975,7 +905,6 @@ static int do_spi_entry(const char *filename, void *symval,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("spi", spi_device_id, do_spi_entry);
 
 static const struct dmifield {
 	const char *prefix;
@@ -1030,7 +959,6 @@ static int do_dmi_entry(const char *filename, void *symval,
 	strcat(alias, ":");
 	return 1;
 }
-ADD_TO_DEVTABLE("dmi", dmi_system_id, do_dmi_entry);
 
 static int do_platform_entry(const char *filename,
 			     void *symval, char *alias)
@@ -1039,7 +967,6 @@ static int do_platform_entry(const char *filename,
 	sprintf(alias, PLATFORM_MODULE_PREFIX "%s", *name);
 	return 1;
 }
-ADD_TO_DEVTABLE("platform", platform_device_id, do_platform_entry);
 
 static int do_mdio_entry(const char *filename,
 			 void *symval, char *alias)
@@ -1064,7 +991,6 @@ static int do_mdio_entry(const char *filename,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("mdio", mdio_device_id, do_mdio_entry);
 
 /* Looks like: zorro:iN. */
 static int do_zorro_entry(const char *filename, void *symval,
@@ -1075,7 +1001,6 @@ static int do_zorro_entry(const char *filename, void *symval,
 	ADD(alias, "i", id != ZORRO_WILDCARD, id);
 	return 1;
 }
-ADD_TO_DEVTABLE("zorro", zorro_device_id, do_zorro_entry);
 
 /* looks like: "pnp:dD" */
 static int do_isapnp_entry(const char *filename,
@@ -1091,7 +1016,6 @@ static int do_isapnp_entry(const char *filename,
 		(function >> 12) & 0x0f, (function >> 8) & 0x0f);
 	return 1;
 }
-ADD_TO_DEVTABLE("isapnp", isapnp_device_id, do_isapnp_entry);
 
 /* Looks like: "ipack:fNvNdN". */
 static int do_ipack_entry(const char *filename,
@@ -1107,7 +1031,6 @@ static int do_ipack_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("ipack", ipack_device_id, do_ipack_entry);
 
 /*
  * Append a match expression for a single masked hex digit.
@@ -1178,7 +1101,6 @@ static int do_amba_entry(const char *filename,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("amba", amba_id, do_amba_entry);
 
 /*
  * looks like: "mipscdmm:tN"
@@ -1194,7 +1116,6 @@ static int do_mips_cdmm_entry(const char *filename,
 	sprintf(alias, "mipscdmm:t%02X*", type);
 	return 1;
 }
-ADD_TO_DEVTABLE("mipscdmm", mips_cdmm_device_id, do_mips_cdmm_entry);
 
 /* LOOKS like cpu:type:x86,venVVVVfamFFFFmodMMMM:feature:*,FEAT,*
  * All fields are numbers. It would be nicer to use strings for vendor
@@ -1219,7 +1140,6 @@ static int do_x86cpu_entry(const char *filename, void *symval,
 		sprintf(alias + strlen(alias), "%04X*", feature);
 	return 1;
 }
-ADD_TO_DEVTABLE("x86cpu", x86_cpu_id, do_x86cpu_entry);
 
 /* LOOKS like cpu:type:*:feature:*FEAT* */
 static int do_cpu_entry(const char *filename, void *symval, char *alias)
@@ -1229,7 +1149,6 @@ static int do_cpu_entry(const char *filename, void *symval, char *alias)
 	sprintf(alias, "cpu:type:*:feature:*%04X*", feature);
 	return 1;
 }
-ADD_TO_DEVTABLE("cpu", cpu_feature, do_cpu_entry);
 
 /* Looks like: mei:S:uuid:N:* */
 static int do_mei_entry(const char *filename, void *symval,
@@ -1248,7 +1167,6 @@ static int do_mei_entry(const char *filename, void *symval,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("mei", mei_cl_device_id, do_mei_entry);
 
 /* Looks like: rapidio:vNdNavNadN */
 static int do_rio_entry(const char *filename,
@@ -1268,7 +1186,6 @@ static int do_rio_entry(const char *filename,
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("rapidio", rio_device_id, do_rio_entry);
 
 /* Looks like: ulpi:vNpN */
 static int do_ulpi_entry(const char *filename, void *symval,
@@ -1281,7 +1198,6 @@ static int do_ulpi_entry(const char *filename, void *symval,
 
 	return 1;
 }
-ADD_TO_DEVTABLE("ulpi", ulpi_device_id, do_ulpi_entry);
 
 /* Looks like: hdaudio:vNrNaN */
 static int do_hda_entry(const char *filename, void *symval, char *alias)
@@ -1298,7 +1214,6 @@ static int do_hda_entry(const char *filename, void *symval, char *alias)
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("hdaudio", hda_device_id, do_hda_entry);
 
 /* Looks like: sdw:mNpN */
 static int do_sdw_entry(const char *filename, void *symval, char *alias)
@@ -1313,7 +1228,6 @@ static int do_sdw_entry(const char *filename, void *symval, char *alias)
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("sdw", sdw_device_id, do_sdw_entry);
 
 /* Looks like: fsl-mc:vNdN */
 static int do_fsl_mc_entry(const char *filename, void *symval,
@@ -1325,7 +1239,6 @@ static int do_fsl_mc_entry(const char *filename, void *symval,
 	sprintf(alias, "fsl-mc:v%08Xd%s", vendor, *obj_type);
 	return 1;
 }
-ADD_TO_DEVTABLE("fslmc", fsl_mc_device_id, do_fsl_mc_entry);
 
 /* Looks like: tbsvc:kSpNvNrN */
 static int do_tbsvc_entry(const char *filename, void *symval, char *alias)
@@ -1350,7 +1263,6 @@ static int do_tbsvc_entry(const char *filename, void *symval, char *alias)
 	add_wildcard(alias);
 	return 1;
 }
-ADD_TO_DEVTABLE("tbsvc", tb_service_id, do_tbsvc_entry);
 
 /* Looks like: typec:idNmN */
 static int do_typec_entry(const char *filename, void *symval, char *alias)
@@ -1363,7 +1275,6 @@ static int do_typec_entry(const char *filename, void *symval, char *alias)
 
 	return 1;
 }
-ADD_TO_DEVTABLE("typec", typec_device_id, do_typec_entry);
 
 /* Does namelen bytes of name exactly match the symbol? */
 static bool sym_is(const char *name, unsigned namelen, const char *symbol)
@@ -1377,12 +1288,11 @@ static bool sym_is(const char *name, unsigned namelen, const char *symbol)
 static void do_table(void *symval, unsigned long size,
 		     unsigned long id_size,
 		     const char *device_id,
-		     void *function,
+		     int (*do_entry)(const char *filename, void *symval, char *alias),
 		     struct module *mod)
 {
 	unsigned int i;
 	char alias[500];
-	int (*do_entry)(const char *, void *entry, char *alias) = function;
 
 	device_id_check(mod->name, device_id, size, id_size, symval);
 	/* Leave last one: it's the terminator. */
@@ -1396,6 +1306,48 @@ static void do_table(void *symval, unsigned long size,
 	}
 }
 
+static const struct devtable devtable[] = {
+	{"hid", SIZE_hid_device_id, do_hid_entry},
+	{"ieee1394", SIZE_ieee1394_device_id, do_ieee1394_entry},
+	{"pci", SIZE_pci_device_id, do_pci_entry},
+	{"ccw", SIZE_ccw_device_id, do_ccw_entry},
+	{"ap", SIZE_ap_device_id, do_ap_entry},
+	{"css", SIZE_css_device_id, do_css_entry},
+	{"serio", SIZE_serio_device_id, do_serio_entry},
+	{"acpi", SIZE_acpi_device_id, do_acpi_entry},
+	{"pcmcia", SIZE_pcmcia_device_id, do_pcmcia_entry},
+	{"vio", SIZE_vio_device_id, do_vio_entry},
+	{"input", SIZE_input_device_id, do_input_entry},
+	{"eisa", SIZE_eisa_device_id, do_eisa_entry},
+	{"parisc", SIZE_parisc_device_id, do_parisc_entry},
+	{"sdio", SIZE_sdio_device_id, do_sdio_entry},
+	{"ssb", SIZE_ssb_device_id, do_ssb_entry},
+	{"bcma", SIZE_bcma_device_id, do_bcma_entry},
+	{"virtio", SIZE_virtio_device_id, do_virtio_entry},
+	{"vmbus", SIZE_hv_vmbus_device_id, do_vmbus_entry},
+	{"rpmsg", SIZE_rpmsg_device_id, do_rpmsg_entry},
+	{"i2c", SIZE_i2c_device_id, do_i2c_entry},
+	{"spi", SIZE_spi_device_id, do_spi_entry},
+	{"dmi", SIZE_dmi_system_id, do_dmi_entry},
+	{"platform", SIZE_platform_device_id, do_platform_entry},
+	{"mdio", SIZE_mdio_device_id, do_mdio_entry},
+	{"zorro", SIZE_zorro_device_id, do_zorro_entry},
+	{"isapnp", SIZE_isapnp_device_id, do_isapnp_entry},
+	{"ipack", SIZE_ipack_device_id, do_ipack_entry},
+	{"amba", SIZE_amba_id, do_amba_entry},
+	{"mipscdmm", SIZE_mips_cdmm_device_id, do_mips_cdmm_entry},
+	{"x86cpu", SIZE_x86_cpu_id, do_x86cpu_entry},
+	{"cpu", SIZE_cpu_feature, do_cpu_entry},
+	{"mei", SIZE_mei_cl_device_id, do_mei_entry},
+	{"rapidio", SIZE_rio_device_id, do_rio_entry},
+	{"ulpi", SIZE_ulpi_device_id, do_ulpi_entry},
+	{"hdaudio", SIZE_hda_device_id, do_hda_entry},
+	{"sdw", SIZE_sdw_device_id, do_sdw_entry},
+	{"fslmc", SIZE_fsl_mc_device_id, do_fsl_mc_entry},
+	{"tbsvc", SIZE_tb_service_id, do_tbsvc_entry},
+	{"typec", SIZE_typec_device_id, do_typec_entry},
+};
+
 /* Create MODULE_ALIAS() statements.
  * At this time, we cannot write the actual output C source yet,
  * so we write into the mod->dev_table_buf buffer. */
@@ -1450,13 +1402,14 @@ void handle_moddevtable(struct module *mod, struct elf_info *info,
 	else if (sym_is(name, namelen, "pnp_card"))
 		do_pnp_card_entries(symval, sym->st_size, mod);
 	else {
-		struct devtable **p;
-		INIT_SECTION(__devtable);
+		int i;
+
+		for (i = 0; i < ARRAY_SIZE(devtable); i++) {
+			const struct devtable *p = &devtable[i];
 
-		for (p = __start___devtable; p < __stop___devtable; p++) {
-			if (sym_is(name, namelen, (*p)->device_id)) {
-				do_table(symval, sym->st_size, (*p)->id_size,
-					 (*p)->device_id, (*p)->function, mod);
+			if (sym_is(name, namelen, p->device_id)) {
+				do_table(symval, sym->st_size, p->id_size,
+					 p->device_id, p->do_entry, mod);
 				break;
 			}
 		}
diff --git a/security/device_cgroup.c b/security/device_cgroup.c
index cd97929fac66..dc28914fa72e 100644
--- a/security/device_cgroup.c
+++ b/security/device_cgroup.c
@@ -560,7 +560,7 @@ static int propagate_exception(struct dev_cgroup *devcg_root,
 		    devcg->behavior == DEVCG_DEFAULT_ALLOW) {
 			rc = dev_exception_add(devcg, ex);
 			if (rc)
-				break;
+				return rc;
 		} else {
 			/*
 			 * in the other possible cases:
diff --git a/sound/core/info.c b/sound/core/info.c
index fe502bc5e6d2..679136fba730 100644
--- a/sound/core/info.c
+++ b/sound/core/info.c
@@ -722,8 +722,11 @@ snd_info_create_entry(const char *name, struct snd_info_entry *parent)
 	INIT_LIST_HEAD(&entry->children);
 	INIT_LIST_HEAD(&entry->list);
 	entry->parent = parent;
-	if (parent)
+	if (parent) {
+		mutex_lock(&parent->access);
 		list_add_tail(&entry->list, &parent->children);
+		mutex_unlock(&parent->access);
+	}
 	return entry;
 }
 
@@ -805,7 +808,12 @@ void snd_info_free_entry(struct snd_info_entry * entry)
 	list_for_each_entry_safe(p, n, &entry->children, list)
 		snd_info_free_entry(p);
 
-	list_del(&entry->list);
+	p = entry->parent;
+	if (p) {
+		mutex_lock(&p->access);
+		list_del(&entry->list);
+		mutex_unlock(&p->access);
+	}
 	kfree(entry->name);
 	if (entry->private_free)
 		entry->private_free(entry);
diff --git a/sound/core/init.c b/sound/core/init.c
index 4849c611c0fe..16b7cc7aa66b 100644
--- a/sound/core/init.c
+++ b/sound/core/init.c
@@ -407,14 +407,7 @@ int snd_card_disconnect(struct snd_card *card)
 	card->shutdown = 1;
 	spin_unlock(&card->files_lock);
 
-	/* phase 1: disable fops (user space) operations for ALSA API */
-	mutex_lock(&snd_card_mutex);
-	snd_cards[card->number] = NULL;
-	clear_bit(card->number, snd_cards_lock);
-	mutex_unlock(&snd_card_mutex);
-	
-	/* phase 2: replace file->f_op with special dummy operations */
-	
+	/* replace file->f_op with special dummy operations */
 	spin_lock(&card->files_lock);
 	list_for_each_entry(mfile, &card->files_list, list) {
 		/* it's critical part, use endless loop */
@@ -430,7 +423,7 @@ int snd_card_disconnect(struct snd_card *card)
 	}
 	spin_unlock(&card->files_lock);	
 
-	/* phase 3: notify all connected devices about disconnection */
+	/* notify all connected devices about disconnection */
 	/* at this point, they cannot respond to any calls except release() */
 
 #if IS_ENABLED(CONFIG_SND_MIXER_OSS)
@@ -446,6 +439,13 @@ int snd_card_disconnect(struct snd_card *card)
 		device_del(&card->card_dev);
 		card->registered = false;
 	}
+
+	/* disable fops (user space) operations for ALSA API */
+	mutex_lock(&snd_card_mutex);
+	snd_cards[card->number] = NULL;
+	clear_bit(card->number, snd_cards_lock);
+	mutex_unlock(&snd_card_mutex);
+
 #ifdef CONFIG_PM
 	wake_up(&card->power_sleep);
 #endif
diff --git a/sound/pci/hda/patch_realtek.c b/sound/pci/hda/patch_realtek.c
index bd60eb7168fa..0a745d677b1c 100644
--- a/sound/pci/hda/patch_realtek.c
+++ b/sound/pci/hda/patch_realtek.c
@@ -7170,6 +7170,8 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
 		{0x12, 0x90a60140},
 		{0x14, 0x90170150},
 		{0x21, 0x02211020}),
+	SND_HDA_PIN_QUIRK(0x10ec0236, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+		{0x21, 0x02211020}),
 	SND_HDA_PIN_QUIRK(0x10ec0255, 0x1028, "Dell", ALC255_FIXUP_DELL2_MIC_NO_PRESENCE,
 		{0x14, 0x90170110},
 		{0x21, 0x02211020}),
@@ -7280,6 +7282,10 @@ static const struct snd_hda_pin_quirk alc269_pin_fixup_tbl[] = {
 		{0x21, 0x0221101f}),
 	SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
 		ALC256_STANDARD_PINS),
+	SND_HDA_PIN_QUIRK(0x10ec0256, 0x1028, "Dell", ALC255_FIXUP_DELL1_MIC_NO_PRESENCE,
+		{0x14, 0x90170110},
+		{0x1b, 0x01011020},
+		{0x21, 0x0221101f}),
 	SND_HDA_PIN_QUIRK(0x10ec0256, 0x1043, "ASUS", ALC256_FIXUP_ASUS_MIC,
 		{0x14, 0x90170110},
 		{0x1b, 0x90a70130},
diff --git a/sound/soc/rockchip/rockchip_pcm.c b/sound/soc/rockchip/rockchip_pcm.c
index 7029e0b85f9e..4ac78d7a4b2d 100644
--- a/sound/soc/rockchip/rockchip_pcm.c
+++ b/sound/soc/rockchip/rockchip_pcm.c
@@ -21,7 +21,8 @@ static const struct snd_pcm_hardware snd_rockchip_hardware = {
 	.info			= SNDRV_PCM_INFO_MMAP |
 				  SNDRV_PCM_INFO_MMAP_VALID |
 				  SNDRV_PCM_INFO_PAUSE |
-				  SNDRV_PCM_INFO_RESUME,
+				  SNDRV_PCM_INFO_RESUME |
+				  SNDRV_PCM_INFO_INTERLEAVED,
 	.period_bytes_min	= 32,
 	.period_bytes_max	= 8192,
 	.periods_min		= 1,
diff --git a/tools/include/linux/bitops.h b/tools/include/linux/bitops.h
index acc704bd3998..0b0ef3abc966 100644
--- a/tools/include/linux/bitops.h
+++ b/tools/include/linux/bitops.h
@@ -3,8 +3,6 @@
 #define _TOOLS_LINUX_BITOPS_H_
 
 #include <asm/types.h>
-#include <linux/compiler.h>
-
 #ifndef __WORDSIZE
 #define __WORDSIZE (__SIZEOF_LONG__ * 8)
 #endif
@@ -12,10 +10,9 @@
 #ifndef BITS_PER_LONG
 # define BITS_PER_LONG __WORDSIZE
 #endif
+#include <linux/bits.h>
+#include <linux/compiler.h>
 
-#define BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_LONG))
-#define BIT_WORD(nr)		((nr) / BITS_PER_LONG)
-#define BITS_PER_BYTE		8
 #define BITS_TO_LONGS(nr)	DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(long))
 #define BITS_TO_U64(nr)		DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u64))
 #define BITS_TO_U32(nr)		DIV_ROUND_UP(nr, BITS_PER_BYTE * sizeof(u32))
diff --git a/tools/include/linux/bits.h b/tools/include/linux/bits.h
new file mode 100644
index 000000000000..2b7b532c1d51
--- /dev/null
+++ b/tools/include/linux/bits.h
@@ -0,0 +1,26 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#ifndef __LINUX_BITS_H
+#define __LINUX_BITS_H
+#include <asm/bitsperlong.h>
+
+#define BIT(nr)			(1UL << (nr))
+#define BIT_ULL(nr)		(1ULL << (nr))
+#define BIT_MASK(nr)		(1UL << ((nr) % BITS_PER_LONG))
+#define BIT_WORD(nr)		((nr) / BITS_PER_LONG)
+#define BIT_ULL_MASK(nr)	(1ULL << ((nr) % BITS_PER_LONG_LONG))
+#define BIT_ULL_WORD(nr)	((nr) / BITS_PER_LONG_LONG)
+#define BITS_PER_BYTE		8
+
+/*
+ * Create a contiguous bitmask starting at bit position @l and ending at
+ * position @h. For example
+ * GENMASK_ULL(39, 21) gives us the 64bit vector 0x000000ffffe00000.
+ */
+#define GENMASK(h, l) \
+	(((~0UL) - (1UL << (l)) + 1) & (~0UL >> (BITS_PER_LONG - 1 - (h))))
+
+#define GENMASK_ULL(h, l) \
+	(((~0ULL) - (1ULL << (l)) + 1) & \
+	 (~0ULL >> (BITS_PER_LONG_LONG - 1 - (h))))
+
+#endif	/* __LINUX_BITS_H */
diff --git a/tools/perf/check-headers.sh b/tools/perf/check-headers.sh
index 466540ee8ea7..c72cc73a6b09 100755
--- a/tools/perf/check-headers.sh
+++ b/tools/perf/check-headers.sh
@@ -14,6 +14,7 @@ include/uapi/linux/sched.h
 include/uapi/linux/stat.h
 include/uapi/linux/vhost.h
 include/uapi/sound/asound.h
+include/linux/bits.h
 include/linux/hash.h
 include/uapi/linux/hw_breakpoint.h
 arch/x86/include/asm/disabled-features.h