diff --git a/Documentation/i2c/busses/i2c-i801 b/Documentation/i2c/busses/i2c-i801
index 99d4e44..4341d87 100644
--- a/Documentation/i2c/busses/i2c-i801
+++ b/Documentation/i2c/busses/i2c-i801
@@ -22,6 +22,17 @@ Supported adapters:
   * Intel Panther Point (PCH)
   * Intel Lynx Point (PCH)
   * Intel Lynx Point-LP (PCH)
+  * Intel Avoton (SOC)
+  * Intel Wellsburg (PCH)
+  * Intel Coleto Creek (PCH)
+  * Intel Wildcat Point (PCH)
+  * Intel Wildcat Point-LP (PCH)
+  * Intel BayTrail (SOC)
+  * Intel Sunrise Point-H (PCH)
+  * Intel Sunrise Point-LP (PCH)
+  * Intel DNV (SOC)
+  * Intel Broxton (SOC)
+  * Intel Lewisburg (PCH)
    Datasheets: Publicly available at the Intel website
 
 On Intel Patsburg and later chipsets, both the normal host SMBus controller
diff --git a/Makefile b/Makefile
index 1fbb6f4..f032854 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 2
-SUBLEVEL = 75
-EXTRAVERSION =
+SUBLEVEL = 76
+EXTRAVERSION = -rc1
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
diff --git a/arch/mips/kernel/scall32-o32.S b/arch/mips/kernel/scall32-o32.S
index 1d39bea..532a330 100644
--- a/arch/mips/kernel/scall32-o32.S
+++ b/arch/mips/kernel/scall32-o32.S
@@ -192,6 +192,7 @@ illegal_syscall:
 	sll	t1, t0, 3
 	beqz	v0, einval
 	lw	t2, sys_call_table(t1)		# syscall routine
+	sw	a0, PT_R2(sp)			# call routine directly on restart
 
 	/* Some syscalls like execve get their arguments from struct pt_regs
 	   and claim zero arguments in the syscall table. Thus we have to
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index a56175b..6651759 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -180,6 +180,7 @@ LEAF(sys32_syscall)
 	dsll	t1, t0, 3
 	beqz	v0, einval
 	ld	t2, sys_call_table(t1)		# syscall routine
+	sd	a0, PT_R2(sp)		# call routine directly on restart
 
 	move	a0, a1			# shift argument registers
 	move	a1, a2
diff --git a/arch/parisc/kernel/signal.c b/arch/parisc/kernel/signal.c
index 12c1ed3..f7c8352 100644
--- a/arch/parisc/kernel/signal.c
+++ b/arch/parisc/kernel/signal.c
@@ -468,6 +468,55 @@ handle_signal(unsigned long sig, siginfo_t *info, struct k_sigaction *ka,
 	return 1;
 }
 
+/*
+ * Check how the syscall number gets loaded into %r20 within
+ * the delay branch in userspace and adjust as needed.
+ */
+
+static void check_syscallno_in_delay_branch(struct pt_regs *regs)
+{
+	u32 opcode, source_reg;
+	u32 __user *uaddr;
+	int err;
+
+	/* Usually we don't have to restore %r20 (the system call number)
+	 * because it gets loaded in the delay slot of the branch external
+	 * instruction via the ldi instruction.
+	 * In some cases a register-to-register copy instruction might have
+	 * been used instead, in which case we need to copy the syscall
+	 * number into the source register before returning to userspace.
+	 */
+
+	/* A syscall is just a branch, so all we have to do is fiddle the
+	 * return pointer so that the ble instruction gets executed again.
+	 */
+	regs->gr[31] -= 8; /* delayed branching */
+
+	/* Get assembler opcode of code in delay branch */
+	uaddr = (unsigned int *) ((regs->gr[31] & ~3) + 4);
+	err = get_user(opcode, uaddr);
+	if (err)
+		return;
+
+	/* Check if delay branch uses "ldi int,%r20" */
+	if ((opcode & 0xffff0000) == 0x34140000)
+		return;	/* everything ok, just return */
+
+	/* Check if delay branch uses "nop" */
+	if (opcode == INSN_NOP)
+		return;
+
+	/* Check if delay branch uses "copy %rX,%r20" */
+	if ((opcode & 0xffe0ffff) == 0x08000254) {
+		source_reg = (opcode >> 16) & 31;
+		regs->gr[source_reg] = regs->gr[20];
+		return;
+	}
+
+	pr_warn("syscall restart: %s (pid %d): unexpected opcode 0x%08x\n",
+		current->comm, task_pid_nr(current), opcode);
+}
+
 static inline void
 syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
 {
@@ -489,10 +538,7 @@ syscall_restart(struct pt_regs *regs, struct k_sigaction *ka)
 		}
 		/* fallthrough */
 	case -ERESTARTNOINTR:
-		/* A syscall is just a branch, so all
-		 * we have to do is fiddle the return pointer.
-		 */
-		regs->gr[31] -= 8; /* delayed branching */
+		check_syscallno_in_delay_branch(regs);
 		/* Preserve original r28. */
 		regs->gr[28] = regs->orig_r28;
 		break;
@@ -543,18 +589,12 @@ insert_restart_trampoline(struct pt_regs *regs)
 	}
 	case -ERESTARTNOHAND:
 	case -ERESTARTSYS:
-	case -ERESTARTNOINTR: {
-		/* Hooray for delayed branching.  We don't
-		 * have to restore %r20 (the system call
-		 * number) because it gets loaded in the delay
-		 * slot of the branch external instruction.
-		 */
-		regs->gr[31] -= 8;
+	case -ERESTARTNOINTR:
+		check_syscallno_in_delay_branch(regs);
 		/* Preserve original r28. */
 		regs->gr[28] = regs->orig_r28;
 
 		return;
-	}
 	default:
 		break;
 	}
diff --git a/arch/s390/kernel/dis.c b/arch/s390/kernel/dis.c
index 45df6d4..847ea15 100644
--- a/arch/s390/kernel/dis.c
+++ b/arch/s390/kernel/dis.c
@@ -1503,14 +1503,21 @@ static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
 			}
 			if (separator)
 				ptr += sprintf(ptr, "%c", separator);
+			/*
+			 * Use four '%' characters below because of the
+			 * following two conversions:
+			 *
+			 *  1) sprintf: %%%%r -> %%r
+			 *  2) printk : %%r   -> %r
+			 */
 			if (operand->flags & OPERAND_GPR)
-				ptr += sprintf(ptr, "%%r%i", value);
+				ptr += sprintf(ptr, "%%%%r%i", value);
 			else if (operand->flags & OPERAND_FPR)
-				ptr += sprintf(ptr, "%%f%i", value);
+				ptr += sprintf(ptr, "%%%%f%i", value);
 			else if (operand->flags & OPERAND_AR)
-				ptr += sprintf(ptr, "%%a%i", value);
+				ptr += sprintf(ptr, "%%%%a%i", value);
 			else if (operand->flags & OPERAND_CR)
-				ptr += sprintf(ptr, "%%c%i", value);
+				ptr += sprintf(ptr, "%%%%c%i", value);
 			else if (operand->flags & OPERAND_PCREL)
 				ptr += sprintf(ptr, "%lx", (signed int) value
 								      + addr);
diff --git a/arch/x86/kvm/i8254.c b/arch/x86/kvm/i8254.c
index ab98fe5..aa21aa1 100644
--- a/arch/x86/kvm/i8254.c
+++ b/arch/x86/kvm/i8254.c
@@ -437,6 +437,7 @@ void kvm_pit_load_count(struct kvm *kvm, int channel, u32 val, int hpet_legacy_s
 	u8 saved_mode;
 	if (hpet_legacy_start) {
 		/* save existing mode for later reenablement */
+		WARN_ON(channel != 0);
 		saved_mode = kvm->arch.vpit->pit_state.channels[0].mode;
 		kvm->arch.vpit->pit_state.channels[0].mode = 0xff; /* disable timer */
 		pit_load_count(kvm, channel, val);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 0e3289b..80c6d68 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -3434,10 +3434,11 @@ static int kvm_vm_ioctl_get_pit(struct kvm *kvm, struct kvm_pit_state *ps)
 static int kvm_vm_ioctl_set_pit(struct kvm *kvm, struct kvm_pit_state *ps)
 {
 	int r = 0;
-
+	int i;
 	mutex_lock(&kvm->arch.vpit->pit_state.lock);
 	memcpy(&kvm->arch.vpit->pit_state, ps, sizeof(struct kvm_pit_state));
-	kvm_pit_load_count(kvm, 0, ps->channels[0].count, 0);
+	for (i = 0; i < 3; i++)
+		kvm_pit_load_count(kvm, i, ps->channels[i].count, 0);
 	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
 	return r;
 }
@@ -3458,6 +3459,7 @@ static int kvm_vm_ioctl_get_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
 static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
 {
 	int r = 0, start = 0;
+	int i;
 	u32 prev_legacy, cur_legacy;
 	mutex_lock(&kvm->arch.vpit->pit_state.lock);
 	prev_legacy = kvm->arch.vpit->pit_state.flags & KVM_PIT_FLAGS_HPET_LEGACY;
@@ -3467,7 +3469,9 @@ static int kvm_vm_ioctl_set_pit2(struct kvm *kvm, struct kvm_pit_state2 *ps)
 	memcpy(&kvm->arch.vpit->pit_state.channels, &ps->channels,
 	       sizeof(kvm->arch.vpit->pit_state.channels));
 	kvm->arch.vpit->pit_state.flags = ps->flags;
-	kvm_pit_load_count(kvm, 0, kvm->arch.vpit->pit_state.channels[0].count, start);
+	for (i = 0; i < 3; i++)
+		kvm_pit_load_count(kvm, i, kvm->arch.vpit->pit_state.channels[i].count,
+				   start && i == 0);
 	mutex_unlock(&kvm->arch.vpit->pit_state.lock);
 	return r;
 }
diff --git a/crypto/ablkcipher.c b/crypto/ablkcipher.c
index d53a30b..6eb6eb1 100644
--- a/crypto/ablkcipher.c
+++ b/crypto/ablkcipher.c
@@ -280,12 +280,12 @@ static int ablkcipher_walk_first(struct ablkcipher_request *req,
 	if (WARN_ON_ONCE(in_irq()))
 		return -EDEADLK;
 
+	walk->iv = req->info;
 	walk->nbytes = walk->total;
 	if (unlikely(!walk->total))
 		return 0;
 
 	walk->iv_buffer = NULL;
-	walk->iv = req->info;
 	if (unlikely(((unsigned long)walk->iv & alignmask))) {
 		int err = ablkcipher_copy_iv(walk, tfm, alignmask);
 		if (err)
diff --git a/crypto/blkcipher.c b/crypto/blkcipher.c
index 04f0f38..3041504 100644
--- a/crypto/blkcipher.c
+++ b/crypto/blkcipher.c
@@ -329,12 +329,12 @@ static int blkcipher_walk_first(struct blkcipher_desc *desc,
 	if (WARN_ON_ONCE(in_irq()))
 		return -EDEADLK;
 
+	walk->iv = desc->info;
 	walk->nbytes = walk->total;
 	if (unlikely(!walk->total))
 		return 0;
 
 	walk->buffer = NULL;
-	walk->iv = desc->info;
 	if (unlikely(((unsigned long)walk->iv & alignmask))) {
 		int err = blkcipher_copy_iv(walk, tfm, alignmask);
 		if (err)
diff --git a/drivers/ata/ahci.c b/drivers/ata/ahci.c
index e2958aa..7117457 100644
--- a/drivers/ata/ahci.c
+++ b/drivers/ata/ahci.c
@@ -324,6 +324,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x1f37), board_ahci_avn }, /* Avoton RAID */
 	{ PCI_VDEVICE(INTEL, 0x1f3e), board_ahci_avn }, /* Avoton RAID */
 	{ PCI_VDEVICE(INTEL, 0x1f3f), board_ahci_avn }, /* Avoton RAID */
+	{ PCI_VDEVICE(INTEL, 0x2823), board_ahci }, /* Wellsburg RAID */
+	{ PCI_VDEVICE(INTEL, 0x2827), board_ahci }, /* Wellsburg RAID */
 	{ PCI_VDEVICE(INTEL, 0x8d02), board_ahci }, /* Wellsburg AHCI */
 	{ PCI_VDEVICE(INTEL, 0x8d04), board_ahci }, /* Wellsburg RAID */
 	{ PCI_VDEVICE(INTEL, 0x8d06), board_ahci }, /* Wellsburg RAID */
@@ -348,15 +350,29 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	{ PCI_VDEVICE(INTEL, 0x9d03), board_ahci }, /* Sunrise Point-LP AHCI */
 	{ PCI_VDEVICE(INTEL, 0x9d05), board_ahci }, /* Sunrise Point-LP RAID */
 	{ PCI_VDEVICE(INTEL, 0x9d07), board_ahci }, /* Sunrise Point-LP RAID */
+	{ PCI_VDEVICE(INTEL, 0xa102), board_ahci }, /* Sunrise Point-H AHCI */
 	{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H AHCI */
-	{ PCI_VDEVICE(INTEL, 0xa103), board_ahci }, /* Sunrise Point-H RAID */
 	{ PCI_VDEVICE(INTEL, 0xa105), board_ahci }, /* Sunrise Point-H RAID */
+	{ PCI_VDEVICE(INTEL, 0xa106), board_ahci }, /* Sunrise Point-H RAID */
 	{ PCI_VDEVICE(INTEL, 0xa107), board_ahci }, /* Sunrise Point-H RAID */
 	{ PCI_VDEVICE(INTEL, 0xa10f), board_ahci }, /* Sunrise Point-H RAID */
+	{ PCI_VDEVICE(INTEL, 0x2822), board_ahci }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0x2826), board_ahci }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa182), board_ahci }, /* Lewisburg AHCI*/
+	{ PCI_VDEVICE(INTEL, 0xa184), board_ahci }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa186), board_ahci }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa18e), board_ahci }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa202), board_ahci }, /* Lewisburg AHCI*/
+	{ PCI_VDEVICE(INTEL, 0xa204), board_ahci }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa206), board_ahci }, /* Lewisburg RAID*/
+	{ PCI_VDEVICE(INTEL, 0xa20e), board_ahci }, /* Lewisburg RAID*/
 
 	/* JMicron 360/1/3/5/6, match class to avoid IDE function */
 	{ PCI_VENDOR_ID_JMICRON, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID,
 	  PCI_CLASS_STORAGE_SATA_AHCI, 0xffffff, board_ahci_ign_iferr },
+	/* JMicron 362B and 362C have an AHCI function with IDE class code */
+	{ PCI_VDEVICE(JMICRON, 0x2362), board_ahci_ign_iferr },
+	{ PCI_VDEVICE(JMICRON, 0x236f), board_ahci_ign_iferr },
 
 	/* ATI */
 	{ PCI_VDEVICE(ATI, 0x4380), board_ahci_sb600 }, /* ATI SB600 */
@@ -494,6 +510,8 @@ static const struct pci_device_id ahci_pci_tbl[] = {
 	  .driver_data = board_ahci_yes_fbs },			/* 88se9172 on some Gigabyte */
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a0),
 	  .driver_data = board_ahci_yes_fbs },
+	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a2), 	/* 88se91a2 */
+	  .driver_data = board_ahci_yes_fbs },
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x91a3),
 	  .driver_data = board_ahci_yes_fbs },
 	{ PCI_DEVICE(PCI_VENDOR_ID_MARVELL_EXT, 0x9230),
diff --git a/drivers/block/xen-blkback/common.h b/drivers/block/xen-blkback/common.h
index f67985d..2c6205e 100644
--- a/drivers/block/xen-blkback/common.h
+++ b/drivers/block/xen-blkback/common.h
@@ -238,11 +238,11 @@ static inline void blkif_get_x86_32_req(struct blkif_request *dst,
 					struct blkif_x86_32_request *src)
 {
 	int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST;
-	dst->operation = src->operation;
+	dst->operation = ACCESS_ONCE(src->operation);
 	dst->nr_segments = src->nr_segments;
 	dst->handle = src->handle;
 	dst->id = src->id;
-	switch (src->operation) {
+	switch (dst->operation) {
 	case BLKIF_OP_READ:
 	case BLKIF_OP_WRITE:
 	case BLKIF_OP_WRITE_BARRIER:
@@ -267,11 +267,11 @@ static inline void blkif_get_x86_64_req(struct blkif_request *dst,
 					struct blkif_x86_64_request *src)
 {
 	int i, n = BLKIF_MAX_SEGMENTS_PER_REQUEST;
-	dst->operation = src->operation;
+	dst->operation = ACCESS_ONCE(src->operation);
 	dst->nr_segments = src->nr_segments;
 	dst->handle = src->handle;
 	dst->id = src->id;
-	switch (src->operation) {
+	switch (dst->operation) {
 	case BLKIF_OP_READ:
 	case BLKIF_OP_WRITE:
 	case BLKIF_OP_WRITE_BARRIER:
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index 1331740..a03e849 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -873,6 +873,7 @@ static int cdrom_is_dvd_rw(struct cdrom_device_info *cdi)
 	switch (cdi->mmc3_profile) {
 	case 0x12:	/* DVD-RAM	*/
 	case 0x1A:	/* DVD+RW	*/
+	case 0x43:	/* BD-RE	*/
 		return 0;
 	default:
 		return 1;
diff --git a/drivers/gpu/drm/radeon/radeon_irq_kms.c b/drivers/gpu/drm/radeon/radeon_irq_kms.c
index 42f5a2b..931a8a9 100644
--- a/drivers/gpu/drm/radeon/radeon_irq_kms.c
+++ b/drivers/gpu/drm/radeon/radeon_irq_kms.c
@@ -51,6 +51,11 @@ static void radeon_hotplug_work_func(struct work_struct *work)
 	struct drm_mode_config *mode_config = &dev->mode_config;
 	struct drm_connector *connector;
 
+	/* we can race here at startup, some boards seem to trigger
+	 * hotplug irqs when they shouldn't. */
+	if (!rdev->mode_info.mode_config_initialized)
+		return;
+
 	mutex_lock(&mode_config->mutex);
 	if (mode_config->num_connector) {
 		list_for_each_entry(connector, &mode_config->connector_list, head)
diff --git a/drivers/hid/hid-dr.c b/drivers/hid/hid-dr.c
index e832f44..b50dab3 100644
--- a/drivers/hid/hid-dr.c
+++ b/drivers/hid/hid-dr.c
@@ -236,6 +236,58 @@ static __u8 pid0011_rdesc_fixed[] = {
 	0xC0                /*  End Collection                  */
 };
 
+static __u8 pid0006_rdesc_fixed[] = {
+	0x05, 0x01,        /* Usage Page (Generic Desktop)	*/
+	0x09, 0x04,        /* Usage (Joystick)			*/
+	0xA1, 0x01,        /* Collection (Application)		*/
+	0xA1, 0x02,        /*   Collection (Logical)		*/
+	0x75, 0x08,        /*     Report Size (8)		*/
+	0x95, 0x05,        /*     Report Count (5)		*/
+	0x15, 0x00,        /*     Logical Minimum (0)		*/
+	0x26, 0xFF, 0x00,  /*     Logical Maximum (255)		*/
+	0x35, 0x00,        /*     Physical Minimum (0)		*/
+	0x46, 0xFF, 0x00,  /*     Physical Maximum (255)	*/
+	0x09, 0x30,        /*     Usage (X)			*/
+	0x09, 0x33,        /*     Usage (Ry)			*/
+	0x09, 0x32,        /*     Usage (Z)			*/
+	0x09, 0x31,        /*     Usage (Y)			*/
+	0x09, 0x34,        /*     Usage (Ry)			*/
+	0x81, 0x02,        /*     Input (Variable)		*/
+	0x75, 0x04,        /*     Report Size (4)		*/
+	0x95, 0x01,        /*     Report Count (1)		*/
+	0x25, 0x07,        /*     Logical Maximum (7)		*/
+	0x46, 0x3B, 0x01,  /*     Physical Maximum (315)	*/
+	0x65, 0x14,        /*     Unit (Centimeter)		*/
+	0x09, 0x39,        /*     Usage (Hat switch)		*/
+	0x81, 0x42,        /*     Input (Variable)		*/
+	0x65, 0x00,        /*     Unit (None)			*/
+	0x75, 0x01,        /*     Report Size (1)		*/
+	0x95, 0x0C,        /*     Report Count (12)		*/
+	0x25, 0x01,        /*     Logical Maximum (1)		*/
+	0x45, 0x01,        /*     Physical Maximum (1)		*/
+	0x05, 0x09,        /*     Usage Page (Button)		*/
+	0x19, 0x01,        /*     Usage Minimum (0x01)		*/
+	0x29, 0x0C,        /*     Usage Maximum (0x0C)		*/
+	0x81, 0x02,        /*     Input (Variable)		*/
+	0x06, 0x00, 0xFF,  /*     Usage Page (Vendor Defined)	*/
+	0x75, 0x01,        /*     Report Size (1)		*/
+	0x95, 0x08,        /*     Report Count (8)		*/
+	0x25, 0x01,        /*     Logical Maximum (1)		*/
+	0x45, 0x01,        /*     Physical Maximum (1)		*/
+	0x09, 0x01,        /*     Usage (0x01)			*/
+	0x81, 0x02,        /*     Input (Variable)		*/
+	0xC0,              /*   End Collection			*/
+	0xA1, 0x02,        /*   Collection (Logical)		*/
+	0x75, 0x08,        /*     Report Size (8)		*/
+	0x95, 0x07,        /*     Report Count (7)		*/
+	0x46, 0xFF, 0x00,  /*     Physical Maximum (255)	*/
+	0x26, 0xFF, 0x00,  /*     Logical Maximum (255)		*/
+	0x09, 0x02,        /*     Usage (0x02)			*/
+	0x91, 0x02,        /*     Output (Variable)		*/
+	0xC0,              /*   End Collection			*/
+	0xC0               /* End Collection			*/
+};
+
 static __u8 *dr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 				unsigned int *rsize)
 {
@@ -246,6 +298,12 @@ static __u8 *dr_report_fixup(struct hid_device *hdev, __u8 *rdesc,
 			*rsize = sizeof(pid0011_rdesc_fixed);
 		}
 		break;
+	case 0x0006:
+		if (*rsize == sizeof(pid0006_rdesc_fixed)) {
+			rdesc = pid0006_rdesc_fixed;
+			*rsize = sizeof(pid0006_rdesc_fixed);
+		}
+		break;
 	}
 	return rdesc;
 }
diff --git a/drivers/i2c/busses/Kconfig b/drivers/i2c/busses/Kconfig
index 949ea640..ca1b2a4 100644
--- a/drivers/i2c/busses/Kconfig
+++ b/drivers/i2c/busses/Kconfig
@@ -105,6 +105,17 @@ config I2C_I801
 	    Panther Point (PCH)
 	    Lynx Point (PCH)
 	    Lynx Point-LP (PCH)
+	    Avoton (SOC)
+	    Wellsburg (PCH)
+	    Coleto Creek (PCH)
+	    Wildcat Point (PCH)
+	    Wildcat Point-LP (PCH)
+	    BayTrail (SOC)
+	    Sunrise Point-H (PCH)
+	    Sunrise Point-LP (PCH)
+	    DNV (SOC)
+	    Broxton (SOC)
+	    Lewisburg (PCH)
 
 	  This driver can also be built as a module.  If so, the module
 	  will be called i2c-i801.
diff --git a/drivers/i2c/busses/i2c-i801.c b/drivers/i2c/busses/i2c-i801.c
index 817d025..9ce14ac 100644
--- a/drivers/i2c/busses/i2c-i801.c
+++ b/drivers/i2c/busses/i2c-i801.c
@@ -22,48 +22,63 @@
 */
 
 /*
-  Supports the following Intel I/O Controller Hubs (ICH):
-
-                                  I/O                     Block   I2C
-                                  region  SMBus   Block   proc.   block
-  Chip name             PCI ID    size    PEC     buffer  call    read
-  ----------------------------------------------------------------------
-  82801AA  (ICH)        0x2413     16      no      no      no      no
-  82801AB  (ICH0)       0x2423     16      no      no      no      no
-  82801BA  (ICH2)       0x2443     16      no      no      no      no
-  82801CA  (ICH3)       0x2483     32     soft     no      no      no
-  82801DB  (ICH4)       0x24c3     32     hard     yes     no      no
-  82801E   (ICH5)       0x24d3     32     hard     yes     yes     yes
-  6300ESB               0x25a4     32     hard     yes     yes     yes
-  82801F   (ICH6)       0x266a     32     hard     yes     yes     yes
-  6310ESB/6320ESB       0x269b     32     hard     yes     yes     yes
-  82801G   (ICH7)       0x27da     32     hard     yes     yes     yes
-  82801H   (ICH8)       0x283e     32     hard     yes     yes     yes
-  82801I   (ICH9)       0x2930     32     hard     yes     yes     yes
-  EP80579 (Tolapai)     0x5032     32     hard     yes     yes     yes
-  ICH10                 0x3a30     32     hard     yes     yes     yes
-  ICH10                 0x3a60     32     hard     yes     yes     yes
-  5/3400 Series (PCH)   0x3b30     32     hard     yes     yes     yes
-  6 Series (PCH)        0x1c22     32     hard     yes     yes     yes
-  Patsburg (PCH)        0x1d22     32     hard     yes     yes     yes
-  Patsburg (PCH) IDF    0x1d70     32     hard     yes     yes     yes
-  Patsburg (PCH) IDF    0x1d71     32     hard     yes     yes     yes
-  Patsburg (PCH) IDF    0x1d72     32     hard     yes     yes     yes
-  DH89xxCC (PCH)        0x2330     32     hard     yes     yes     yes
-  Panther Point (PCH)   0x1e22     32     hard     yes     yes     yes
-  Lynx Point (PCH)      0x8c22     32     hard     yes     yes     yes
-  Lynx Point-LP (PCH)   0x9c22     32     hard     yes     yes     yes
-
-  Features supported by this driver:
-  Software PEC                     no
-  Hardware PEC                     yes
-  Block buffer                     yes
-  Block process call transaction   no
-  I2C block read transaction       yes  (doesn't use the block buffer)
-  Slave mode                       no
-
-  See the file Documentation/i2c/busses/i2c-i801 for details.
-*/
+ * Supports the following Intel I/O Controller Hubs (ICH):
+ *
+ *					I/O			Block	I2C
+ *					region	SMBus	Block	proc.	block
+ * Chip name			PCI ID	size	PEC	buffer	call	read
+ * ---------------------------------------------------------------------------
+ * 82801AA (ICH)		0x2413	16	no	no	no	no
+ * 82801AB (ICH0)		0x2423	16	no	no	no	no
+ * 82801BA (ICH2)		0x2443	16	no	no	no	no
+ * 82801CA (ICH3)		0x2483	32	soft	no	no	no
+ * 82801DB (ICH4)		0x24c3	32	hard	yes	no	no
+ * 82801E (ICH5)		0x24d3	32	hard	yes	yes	yes
+ * 6300ESB			0x25a4	32	hard	yes	yes	yes
+ * 82801F (ICH6)		0x266a	32	hard	yes	yes	yes
+ * 6310ESB/6320ESB		0x269b	32	hard	yes	yes	yes
+ * 82801G (ICH7)		0x27da	32	hard	yes	yes	yes
+ * 82801H (ICH8)		0x283e	32	hard	yes	yes	yes
+ * 82801I (ICH9)		0x2930	32	hard	yes	yes	yes
+ * EP80579 (Tolapai)		0x5032	32	hard	yes	yes	yes
+ * ICH10			0x3a30	32	hard	yes	yes	yes
+ * ICH10			0x3a60	32	hard	yes	yes	yes
+ * 5/3400 Series (PCH)		0x3b30	32	hard	yes	yes	yes
+ * 6 Series (PCH)		0x1c22	32	hard	yes	yes	yes
+ * Patsburg (PCH)		0x1d22	32	hard	yes	yes	yes
+ * Patsburg (PCH) IDF		0x1d70	32	hard	yes	yes	yes
+ * Patsburg (PCH) IDF		0x1d71	32	hard	yes	yes	yes
+ * Patsburg (PCH) IDF		0x1d72	32	hard	yes	yes	yes
+ * DH89xxCC (PCH)		0x2330	32	hard	yes	yes	yes
+ * Panther Point (PCH)		0x1e22	32	hard	yes	yes	yes
+ * Lynx Point (PCH)		0x8c22	32	hard	yes	yes	yes
+ * Lynx Point-LP (PCH)		0x9c22	32	hard	yes	yes	yes
+ * Avoton (SOC)			0x1f3c	32	hard	yes	yes	yes
+ * Wellsburg (PCH)		0x8d22	32	hard	yes	yes	yes
+ * Wellsburg (PCH) MS		0x8d7d	32	hard	yes	yes	yes
+ * Wellsburg (PCH) MS		0x8d7e	32	hard	yes	yes	yes
+ * Wellsburg (PCH) MS		0x8d7f	32	hard	yes	yes	yes
+ * Coleto Creek (PCH)		0x23b0	32	hard	yes	yes	yes
+ * Wildcat Point (PCH)		0x8ca2	32	hard	yes	yes	yes
+ * Wildcat Point-LP (PCH)	0x9ca2	32	hard	yes	yes	yes
+ * BayTrail (SOC)		0x0f12	32	hard	yes	yes	yes
+ * Sunrise Point-H (PCH) 	0xa123  32	hard	yes	yes	yes
+ * Sunrise Point-LP (PCH)	0x9d23	32	hard	yes	yes	yes
+ * DNV (SOC)			0x19df	32	hard	yes	yes	yes
+ * Broxton (SOC)		0x5ad4	32	hard	yes	yes	yes
+ * Lewisburg (PCH)		0xa1a3	32	hard	yes	yes	yes
+ * Lewisburg Supersku (PCH)	0xa223	32	hard	yes	yes	yes
+ *
+ * Features supported by this driver:
+ * Software PEC				no
+ * Hardware PEC				yes
+ * Block buffer				yes
+ * Block process call transaction	no
+ * I2C block read transaction		yes (doesn't use the block buffer)
+ * Slave mode				no
+ *
+ * See the file Documentation/i2c/busses/i2c-i801 for details.
+ */
 
 #include <linux/module.h>
 #include <linux/pci.h>
@@ -138,17 +153,33 @@
 				 SMBHSTSTS_INTR)
 
 /* Older devices have their ID defined in <linux/pci_ids.h> */
-#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS	0x1c22
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS	0x1d22
+#define PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS		0x0f12
+#define PCI_DEVICE_ID_INTEL_BRASWELL_SMBUS		0x2292
+#define PCI_DEVICE_ID_INTEL_COUGARPOINT_SMBUS		0x1c22
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS		0x1d22
 /* Patsburg also has three 'Integrated Device Function' SMBus controllers */
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0	0x1d70
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1	0x1d71
-#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2	0x1d72
-#define PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS	0x1e22
-#define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS	0x2330
-#define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS	0x3b30
-#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS	0x8c22
-#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS	0x9c22
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0		0x1d70
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1		0x1d71
+#define PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2		0x1d72
+#define PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS		0x1e22
+#define PCI_DEVICE_ID_INTEL_AVOTON_SMBUS		0x1f3c
+#define PCI_DEVICE_ID_INTEL_DH89XXCC_SMBUS		0x2330
+#define PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS		0x23b0
+#define PCI_DEVICE_ID_INTEL_5_3400_SERIES_SMBUS		0x3b30
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS		0x8c22
+#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS		0x8ca2
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS		0x8d22
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0		0x8d7d
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1		0x8d7e
+#define PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2		0x8d7f
+#define PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS		0x9c22
+#define PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS	0x9ca2
+#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS	0xa123
+#define PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS	0x9d23
+#define PCI_DEVICE_ID_INTEL_DNV_SMBUS			0x19df
+#define PCI_DEVICE_ID_INTEL_BROXTON_SMBUS		0x5ad4
+#define PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS		0xa1a3
+#define PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS	0xa223
 
 struct i801_priv {
 	struct i2c_adapter adapter;
@@ -639,6 +670,22 @@ static const struct pci_device_id i801_ids[] = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_PANTHERPOINT_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNXPOINT_SMBUS) },
 	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LYNXPOINT_LP_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_AVOTON_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_COLETOCREEK_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_WILDCATPOINT_LP_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BAYTRAIL_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BRASWELL_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_H_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_SUNRISEPOINT_LP_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_DNV_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_BROXTON_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SMBUS) },
+	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_LEWISBURG_SSKU_SMBUS) },
 	{ 0, }
 };
 
@@ -786,6 +833,9 @@ static int __devinit i801_probe(struct pci_dev *dev,
 	case PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF0:
 	case PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF1:
 	case PCI_DEVICE_ID_INTEL_PATSBURG_SMBUS_IDF2:
+	case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS0:
+	case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS1:
+	case PCI_DEVICE_ID_INTEL_WELLSBURG_SMBUS_MS2:
 		priv->features |= FEATURE_IDF;
 		/* fall through */
 	default:
diff --git a/drivers/isdn/gigaset/ser-gigaset.c b/drivers/isdn/gigaset/ser-gigaset.c
index 86a5c4f..cf3c1d4 100644
--- a/drivers/isdn/gigaset/ser-gigaset.c
+++ b/drivers/isdn/gigaset/ser-gigaset.c
@@ -371,19 +371,23 @@ static void gigaset_freecshw(struct cardstate *cs)
 	tasklet_kill(&cs->write_tasklet);
 	if (!cs->hw.ser)
 		return;
-	dev_set_drvdata(&cs->hw.ser->dev.dev, NULL);
 	platform_device_unregister(&cs->hw.ser->dev);
-	kfree(cs->hw.ser);
-	cs->hw.ser = NULL;
 }
 
 static void gigaset_device_release(struct device *dev)
 {
 	struct platform_device *pdev = to_platform_device(dev);
+	struct cardstate *cs = dev_get_drvdata(dev);
 
 	/* adapted from platform_device_release() in drivers/base/platform.c */
 	kfree(dev->platform_data);
 	kfree(pdev->resource);
+
+	if (!cs)
+		return;
+	dev_set_drvdata(dev, NULL);
+	kfree(cs->hw.ser);
+	cs->hw.ser = NULL;
 }
 
 /*
diff --git a/drivers/isdn/hardware/mISDN/mISDNipac.c b/drivers/isdn/hardware/mISDN/mISDNipac.c
index d2ffb1d..6614b28 100644
--- a/drivers/isdn/hardware/mISDN/mISDNipac.c
+++ b/drivers/isdn/hardware/mISDN/mISDNipac.c
@@ -1156,7 +1156,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
 
 	if (ipac->type & IPAC_TYPE_IPACX) {
 		ista = ReadIPAC(ipac, ISACX_ISTA);
-		while (ista && cnt--) {
+		while (ista && --cnt) {
 			pr_debug("%s: ISTA %02x\n", ipac->name, ista);
 			if (ista & IPACX__ICA)
 				ipac_irq(&ipac->hscx[0], ista);
@@ -1168,7 +1168,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
 		}
 	} else if (ipac->type & IPAC_TYPE_IPAC) {
 		ista = ReadIPAC(ipac, IPAC_ISTA);
-		while (ista && cnt--) {
+		while (ista && --cnt) {
 			pr_debug("%s: ISTA %02x\n", ipac->name, ista);
 			if (ista & (IPAC__ICD | IPAC__EXD)) {
 				istad = ReadISAC(isac, ISAC_ISTA);
@@ -1186,7 +1186,7 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
 			ista = ReadIPAC(ipac, IPAC_ISTA);
 		}
 	} else if (ipac->type & IPAC_TYPE_HSCX) {
-		while (cnt) {
+		while (--cnt) {
 			ista = ReadIPAC(ipac, IPAC_ISTAB + ipac->hscx[1].off);
 			pr_debug("%s: B2 ISTA %02x\n", ipac->name, ista);
 			if (ista)
@@ -1197,7 +1197,6 @@ mISDNipac_irq(struct ipac_hw *ipac, int maxloop)
 				mISDNisac_irq(isac, istad);
 			if (0 == (ista | istad))
 				break;
-			cnt--;
 		}
 	}
 	if (cnt > maxloop) /* only for ISAC/HSCX without PCI IRQ test */
diff --git a/drivers/net/ethernet/renesas/sh_eth.c b/drivers/net/ethernet/renesas/sh_eth.c
index e49208d..9842fd9 100644
--- a/drivers/net/ethernet/renesas/sh_eth.c
+++ b/drivers/net/ethernet/renesas/sh_eth.c
@@ -1499,8 +1499,7 @@ static int sh_eth_start_xmit(struct sk_buff *skb, struct net_device *ndev)
 	txdesc = &mdp->tx_ring[entry];
 	/* soft swap. */
 	if (!mdp->cd->hw_swap)
-		sh_eth_soft_swap(phys_to_virt(ALIGN(txdesc->addr, 4)),
-				 skb->len + 2);
+		sh_eth_soft_swap(PTR_ALIGN(skb->data, 4), skb->len + 2);
 	txdesc->addr = dma_map_single(&ndev->dev, skb->data, skb->len,
 				      DMA_TO_DEVICE);
 	if (skb->len < ETHERSMALL)
diff --git a/drivers/net/xen-netback/netback.c b/drivers/net/xen-netback/netback.c
index b2528f6..7b71257 100644
--- a/drivers/net/xen-netback/netback.c
+++ b/drivers/net/xen-netback/netback.c
@@ -406,17 +406,17 @@ static struct netbk_rx_meta *get_next_rx_buffer(struct xenvif *vif,
 						struct netrx_pending_operations *npo)
 {
 	struct netbk_rx_meta *meta;
-	struct xen_netif_rx_request *req;
+	struct xen_netif_rx_request req;
 
-	req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++);
+	RING_COPY_REQUEST(&vif->rx, vif->rx.req_cons++, &req);
 
 	meta = npo->meta + npo->meta_prod++;
 	meta->gso_size = 0;
 	meta->size = 0;
-	meta->id = req->id;
+	meta->id = req.id;
 
 	npo->copy_off = 0;
-	npo->copy_gref = req->gref;
+	npo->copy_gref = req.gref;
 
 	return meta;
 }
@@ -518,7 +518,7 @@ static int netbk_gop_skb(struct sk_buff *skb,
 	struct xenvif *vif = netdev_priv(skb->dev);
 	int nr_frags = skb_shinfo(skb)->nr_frags;
 	int i;
-	struct xen_netif_rx_request *req;
+	struct xen_netif_rx_request req;
 	struct netbk_rx_meta *meta;
 	unsigned char *data;
 	int head = 1;
@@ -528,14 +528,14 @@ static int netbk_gop_skb(struct sk_buff *skb,
 
 	/* Set up a GSO prefix descriptor, if necessary */
 	if (skb_shinfo(skb)->gso_size && vif->gso_prefix) {
-		req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++);
+		RING_COPY_REQUEST(&vif->rx, vif->rx.req_cons++, &req);
 		meta = npo->meta + npo->meta_prod++;
 		meta->gso_size = skb_shinfo(skb)->gso_size;
 		meta->size = 0;
-		meta->id = req->id;
+		meta->id = req.id;
 	}
 
-	req = RING_GET_REQUEST(&vif->rx, vif->rx.req_cons++);
+	RING_COPY_REQUEST(&vif->rx, vif->rx.req_cons++, &req);
 	meta = npo->meta + npo->meta_prod++;
 
 	if (!vif->gso_prefix)
@@ -544,9 +544,9 @@ static int netbk_gop_skb(struct sk_buff *skb,
 		meta->gso_size = 0;
 
 	meta->size = 0;
-	meta->id = req->id;
+	meta->id = req.id;
 	npo->copy_off = 0;
-	npo->copy_gref = req->gref;
+	npo->copy_gref = req.gref;
 
 	data = skb->data;
 	while (data < skb_tail_pointer(skb)) {
@@ -864,9 +864,7 @@ static void tx_add_credit(struct xenvif *vif)
 	 * Allow a burst big enough to transmit a jumbo packet of up to 128kB.
 	 * Otherwise the interface can seize up due to insufficient credit.
 	 */
-	max_burst = RING_GET_REQUEST(&vif->tx, vif->tx.req_cons)->size;
-	max_burst = min(max_burst, 131072UL);
-	max_burst = max(max_burst, vif->credit_bytes);
+	max_burst = max(131072UL, vif->credit_bytes);
 
 	/* Take care that adding a new chunk of credit doesn't wrap to zero. */
 	max_credit = vif->remaining_credit + vif->credit_bytes;
@@ -892,7 +890,7 @@ static void netbk_tx_err(struct xenvif *vif,
 		make_tx_response(vif, txp, XEN_NETIF_RSP_ERROR);
 		if (cons == end)
 			break;
-		txp = RING_GET_REQUEST(&vif->tx, cons++);
+		RING_COPY_REQUEST(&vif->tx, cons++, txp);
 	} while (1);
 	vif->tx.req_cons = cons;
 	xen_netbk_check_rx_xenvif(vif);
@@ -959,8 +957,7 @@ static int netbk_count_requests(struct xenvif *vif,
 		if (drop_err)
 			txp = &dropped_tx;
 
-		memcpy(txp, RING_GET_REQUEST(&vif->tx, cons + slots),
-		       sizeof(*txp));
+		RING_COPY_REQUEST(&vif->tx, cons + slots, txp);
 
 		/* If the guest submitted a frame >= 64 KiB then
 		 * first->size overflowed and following slots will
@@ -1248,8 +1245,7 @@ static int xen_netbk_get_extras(struct xenvif *vif,
 			return -EBADR;
 		}
 
-		memcpy(&extra, RING_GET_REQUEST(&vif->tx, cons),
-		       sizeof(extra));
+		RING_COPY_REQUEST(&vif->tx, cons, &extra);
 		if (unlikely(!extra.type ||
 			     extra.type >= XEN_NETIF_EXTRA_TYPE_MAX)) {
 			vif->tx.req_cons = ++cons;
@@ -1444,7 +1440,7 @@ static unsigned xen_netbk_tx_build_gops(struct xen_netbk *netbk)
 
 		idx = vif->tx.req_cons;
 		rmb(); /* Ensure that we see the request before we copy it. */
-		memcpy(&txreq, RING_GET_REQUEST(&vif->tx, idx), sizeof(txreq));
+		RING_COPY_REQUEST(&vif->tx, idx, &txreq);
 
 		/* Credit-based scheduling. */
 		if (txreq.size > vif->remaining_credit &&
diff --git a/drivers/scsi/ses.c b/drivers/scsi/ses.c
index eba183c..3643bbf 100644
--- a/drivers/scsi/ses.c
+++ b/drivers/scsi/ses.c
@@ -70,6 +70,7 @@ static int ses_probe(struct device *dev)
 static int ses_recv_diag(struct scsi_device *sdev, int page_code,
 			 void *buf, int bufflen)
 {
+	int ret;
 	unsigned char cmd[] = {
 		RECEIVE_DIAGNOSTIC,
 		1,		/* Set PCV bit */
@@ -78,9 +79,26 @@ static int ses_recv_diag(struct scsi_device *sdev, int page_code,
 		bufflen & 0xff,
 		0
 	};
+	unsigned char recv_page_code;
 
-	return scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
+	ret =  scsi_execute_req(sdev, cmd, DMA_FROM_DEVICE, buf, bufflen,
 				NULL, SES_TIMEOUT, SES_RETRIES, NULL);
+	if (unlikely(!ret))
+		return ret;
+
+	recv_page_code = ((unsigned char *)buf)[0];
+
+	if (likely(recv_page_code == page_code))
+		return ret;
+
+	/* successful diagnostic but wrong page code.  This happens to some
+	 * USB devices, just print a message and pretend there was an error */
+
+	sdev_printk(KERN_ERR, sdev,
+		    "Wrong diagnostic page; asked for %d got %u\n",
+		    page_code, recv_page_code);
+
+	return -EINVAL;
 }
 
 static int ses_send_diag(struct scsi_device *sdev, int page_code,
@@ -436,7 +454,15 @@ static void ses_enclosure_data_process(struct enclosure_device *edev,
 			if (desc_ptr)
 				desc_ptr += len;
 
-			if (addl_desc_ptr)
+			if (addl_desc_ptr &&
+			    /* only find additional descriptions for specific devices */
+			    (type_ptr[0] == ENCLOSURE_COMPONENT_DEVICE ||
+			     type_ptr[0] == ENCLOSURE_COMPONENT_ARRAY_DEVICE ||
+			     type_ptr[0] == ENCLOSURE_COMPONENT_SAS_EXPANDER ||
+			     /* these elements are optional */
+			     type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_TARGET_PORT ||
+			     type_ptr[0] == ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT ||
+			     type_ptr[0] == ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS))
 				addl_desc_ptr += addl_desc_ptr[1] + 2;
 
 		}
diff --git a/drivers/spi/spi.c b/drivers/spi/spi.c
index b2ccdea..f978051 100644
--- a/drivers/spi/spi.c
+++ b/drivers/spi/spi.c
@@ -554,7 +554,7 @@ struct spi_master *spi_alloc_master(struct device *dev, unsigned size)
 
 	device_initialize(&master->dev);
 	master->dev.class = &spi_master_class;
-	master->dev.parent = get_device(dev);
+	master->dev.parent = dev;
 	spi_master_set_devdata(master, &master[1]);
 
 	return master;
diff --git a/drivers/tty/tty_buffer.c b/drivers/tty/tty_buffer.c
index 4f02f9c..a846618 100644
--- a/drivers/tty/tty_buffer.c
+++ b/drivers/tty/tty_buffer.c
@@ -442,10 +442,12 @@ static void flush_to_ldisc(struct work_struct *work)
 			char_buf = head->char_buf_ptr + head->read;
 			flag_buf = head->flag_buf_ptr + head->read;
 			head->read += count;
-			spin_unlock_irqrestore(&tty->buf.lock, flags);
-			disc->ops->receive_buf(tty, char_buf,
+			if (disc->ops->receive_buf) {
+				spin_unlock_irqrestore(&tty->buf.lock, flags);
+				disc->ops->receive_buf(tty, char_buf,
 							flag_buf, count);
-			spin_lock_irqsave(&tty->buf.lock, flags);
+				spin_lock_irqsave(&tty->buf.lock, flags);
+			}
 		}
 		clear_bit(TTY_FLUSHING, &tty->flags);
 	}
diff --git a/drivers/usb/core/hub.c b/drivers/usb/core/hub.c
index 7cfe286..dde0330 100644
--- a/drivers/usb/core/hub.c
+++ b/drivers/usb/core/hub.c
@@ -153,7 +153,7 @@ EXPORT_SYMBOL_GPL(ehci_cf_port_reset_rwsem);
 #define HUB_DEBOUNCE_STEP	  25
 #define HUB_DEBOUNCE_STABLE	 100
 
-
+static void hub_release(struct kref *kref);
 static int usb_reset_and_verify_device(struct usb_device *udev);
 
 static inline char *portspeed(struct usb_hub *hub, int portstatus)
@@ -792,10 +792,20 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	unsigned delay;
 
 	/* Continue a partial initialization */
-	if (type == HUB_INIT2)
-		goto init2;
-	if (type == HUB_INIT3)
+	if (type == HUB_INIT2 || type == HUB_INIT3) {
+		device_lock(hub->intfdev);
+
+		/* Was the hub disconnected while we were waiting? */
+		if (hub->disconnected) {
+			device_unlock(hub->intfdev);
+			kref_put(&hub->kref, hub_release);
+			return;
+		}
+		if (type == HUB_INIT2)
+			goto init2;
 		goto init3;
+	}
+	kref_get(&hub->kref);
 
 	/* The superspeed hub except for root hub has to use Hub Depth
 	 * value as an offset into the route string to locate the bits
@@ -984,6 +994,7 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 			PREPARE_DELAYED_WORK(&hub->init_work, hub_init_func3);
 			schedule_delayed_work(&hub->init_work,
 					msecs_to_jiffies(delay));
+			device_unlock(hub->intfdev);
 			return;		/* Continues at init3: below */
 		} else {
 			msleep(delay);
@@ -1004,6 +1015,11 @@ static void hub_activate(struct usb_hub *hub, enum hub_activation_type type)
 	/* Allow autosuspend if it was suppressed */
 	if (type <= HUB_INIT3)
 		usb_autopm_put_interface_async(to_usb_interface(hub->intfdev));
+
+	if (type == HUB_INIT2 || type == HUB_INIT3)
+		device_unlock(hub->intfdev);
+
+	kref_put(&hub->kref, hub_release);
 }
 
 /* Implement the continuations for the delays above */
diff --git a/drivers/usb/serial/ipaq.c b/drivers/usb/serial/ipaq.c
index 4735931..fa3ddf9 100644
--- a/drivers/usb/serial/ipaq.c
+++ b/drivers/usb/serial/ipaq.c
@@ -582,7 +582,8 @@ static int ipaq_open(struct tty_struct *tty,
 	 * through. Since this has a reasonably high failure rate, we retry
 	 * several times.
 	 */
-	while (retries--) {
+	while (retries) {
+		retries--;
 		result = usb_control_msg(serial->dev,
 				usb_sndctrlpipe(serial->dev, 0), 0x22, 0x21,
 				0x1, 0, NULL, 0, 100);
diff --git a/drivers/video/fsl-diu-fb.c b/drivers/video/fsl-diu-fb.c
index a16beeb..b7f6485 100644
--- a/drivers/video/fsl-diu-fb.c
+++ b/drivers/video/fsl-diu-fb.c
@@ -446,7 +446,10 @@ static enum fsl_diu_monitor_port fsl_diu_name_to_port(const char *s)
 			port = FSL_DIU_PORT_DLVDS;
 	}
 
-	return diu_ops.valid_monitor_port(port);
+	if (diu_ops.valid_monitor_port)
+		port = diu_ops.valid_monitor_port(port);
+
+	return port;
 }
 
 /**
@@ -1759,6 +1762,14 @@ static int __init fsl_diu_init(void)
 #else
 	monitor_port = fsl_diu_name_to_port(monitor_string);
 #endif
+
+	/*
+	 * Must to verify set_pixel_clock. If not implement on platform,
+	 * then that means that there is no platform support for the DIU.
+	 */
+	if (!diu_ops.set_pixel_clock)
+		return -ENODEV;
+
 	pr_info("Freescale Display Interface Unit (DIU) framebuffer driver\n");
 
 #ifdef CONFIG_NOT_COHERENT_CACHE
diff --git a/drivers/xen/xen-pciback/pciback.h b/drivers/xen/xen-pciback/pciback.h
index e9b4011..9447fcb 100644
--- a/drivers/xen/xen-pciback/pciback.h
+++ b/drivers/xen/xen-pciback/pciback.h
@@ -37,6 +37,7 @@ struct xen_pcibk_device {
 	struct xen_pci_sharedinfo *sh_info;
 	unsigned long flags;
 	struct work_struct op_work;
+	struct xen_pci_op op;
 };
 
 struct xen_pcibk_dev_data {
diff --git a/drivers/xen/xen-pciback/pciback_ops.c b/drivers/xen/xen-pciback/pciback_ops.c
index e947e78..31c8580 100644
--- a/drivers/xen/xen-pciback/pciback_ops.c
+++ b/drivers/xen/xen-pciback/pciback_ops.c
@@ -68,6 +68,13 @@ static void xen_pcibk_control_isr(struct pci_dev *dev, int reset)
 		enable ? "enable" : "disable");
 
 	if (enable) {
+		/*
+		 * The MSI or MSI-X should not have an IRQ handler. Otherwise
+		 * if the guest terminates we BUG_ON in free_msi_irqs.
+		 */
+		if (dev->msi_enabled || dev->msix_enabled)
+			goto out;
+
 		rc = request_irq(dev_data->irq,
 				xen_pcibk_guest_interrupt, IRQF_SHARED,
 				dev_data->irq_name, dev);
@@ -142,7 +149,12 @@ int xen_pcibk_enable_msi(struct xen_pcibk_device *pdev,
 	if (unlikely(verbose_request))
 		printk(KERN_DEBUG DRV_NAME ": %s: enable MSI\n", pci_name(dev));
 
-	status = pci_enable_msi(dev);
+	if (dev->msi_enabled)
+		status = -EALREADY;
+	else if (dev->msix_enabled)
+		status = -ENXIO;
+	else
+		status = pci_enable_msi(dev);
 
 	if (status) {
 		pr_warn_ratelimited(DRV_NAME ": %s: error enabling MSI for guest %u: err %d\n",
@@ -171,20 +183,23 @@ static
 int xen_pcibk_disable_msi(struct xen_pcibk_device *pdev,
 			  struct pci_dev *dev, struct xen_pci_op *op)
 {
-	struct xen_pcibk_dev_data *dev_data;
-
 	if (unlikely(verbose_request))
 		printk(KERN_DEBUG DRV_NAME ": %s: disable MSI\n",
 		       pci_name(dev));
-	pci_disable_msi(dev);
 
+	if (dev->msi_enabled) {
+		struct xen_pcibk_dev_data *dev_data;
+
+		pci_disable_msi(dev);
+
+		dev_data = pci_get_drvdata(dev);
+		if (dev_data)
+			dev_data->ack_intr = 1;
+	}
 	op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
 	if (unlikely(verbose_request))
 		printk(KERN_DEBUG DRV_NAME ": %s: MSI: %d\n", pci_name(dev),
 			op->value);
-	dev_data = pci_get_drvdata(dev);
-	if (dev_data)
-		dev_data->ack_intr = 1;
 	return 0;
 }
 
@@ -195,13 +210,26 @@ int xen_pcibk_enable_msix(struct xen_pcibk_device *pdev,
 	struct xen_pcibk_dev_data *dev_data;
 	int i, result;
 	struct msix_entry *entries;
+	u16 cmd;
 
 	if (unlikely(verbose_request))
 		printk(KERN_DEBUG DRV_NAME ": %s: enable MSI-X\n",
 		       pci_name(dev));
+
 	if (op->value > SH_INFO_MAX_VEC)
 		return -EINVAL;
 
+	if (dev->msix_enabled)
+		return -EALREADY;
+
+	/*
+	 * PCI_COMMAND_MEMORY must be enabled, otherwise we may not be able
+	 * to access the BARs where the MSI-X entries reside.
+	 */
+	pci_read_config_word(dev, PCI_COMMAND, &cmd);
+	if (dev->msi_enabled || !(cmd & PCI_COMMAND_MEMORY))
+		return -ENXIO;
+
 	entries = kmalloc(op->value * sizeof(*entries), GFP_KERNEL);
 	if (entries == NULL)
 		return -ENOMEM;
@@ -243,23 +271,27 @@ static
 int xen_pcibk_disable_msix(struct xen_pcibk_device *pdev,
 			   struct pci_dev *dev, struct xen_pci_op *op)
 {
-	struct xen_pcibk_dev_data *dev_data;
 	if (unlikely(verbose_request))
 		printk(KERN_DEBUG DRV_NAME ": %s: disable MSI-X\n",
 			pci_name(dev));
-	pci_disable_msix(dev);
 
+	if (dev->msix_enabled) {
+		struct xen_pcibk_dev_data *dev_data;
+
+		pci_disable_msix(dev);
+
+		dev_data = pci_get_drvdata(dev);
+		if (dev_data)
+			dev_data->ack_intr = 1;
+	}
 	/*
 	 * SR-IOV devices (which don't have any legacy IRQ) have
 	 * an undefined IRQ value of zero.
 	 */
 	op->value = dev->irq ? xen_pirq_from_irq(dev->irq) : 0;
 	if (unlikely(verbose_request))
-		printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n", pci_name(dev),
-			op->value);
-	dev_data = pci_get_drvdata(dev);
-	if (dev_data)
-		dev_data->ack_intr = 1;
+		printk(KERN_DEBUG DRV_NAME ": %s: MSI-X: %d\n",
+		       pci_name(dev), op->value);
 	return 0;
 }
 #endif
@@ -296,9 +328,11 @@ void xen_pcibk_do_op(struct work_struct *data)
 		container_of(data, struct xen_pcibk_device, op_work);
 	struct pci_dev *dev;
 	struct xen_pcibk_dev_data *dev_data = NULL;
-	struct xen_pci_op *op = &pdev->sh_info->op;
+	struct xen_pci_op *op = &pdev->op;
 	int test_intx = 0;
 
+	*op = pdev->sh_info->op;
+	barrier();
 	dev = xen_pcibk_get_pci_dev(pdev, op->domain, op->bus, op->devfn);
 
 	if (dev == NULL)
@@ -340,6 +374,17 @@ void xen_pcibk_do_op(struct work_struct *data)
 		if ((dev_data->enable_intx != test_intx))
 			xen_pcibk_control_isr(dev, 0 /* no reset */);
 	}
+	pdev->sh_info->op.err = op->err;
+	pdev->sh_info->op.value = op->value;
+#ifdef CONFIG_PCI_MSI
+	if (op->cmd == XEN_PCI_OP_enable_msix && op->err == 0) {
+		unsigned int i;
+
+		for (i = 0; i < op->value; i++)
+			pdev->sh_info->op.msix_entries[i].vector =
+				op->msix_entries[i].vector;
+	}
+#endif
 	/* Tell the driver domain that we're done. */
 	wmb();
 	clear_bit(_XEN_PCIF_active, (unsigned long *)&pdev->sh_info->flags);
diff --git a/fs/ocfs2/resize.c b/fs/ocfs2/resize.c
index ec55add..2ca64fa 100644
--- a/fs/ocfs2/resize.c
+++ b/fs/ocfs2/resize.c
@@ -56,11 +56,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode,
 				       int new_clusters,
 				       u32 first_new_cluster,
 				       u16 cl_cpg,
+				       u16 old_bg_clusters,
 				       int set)
 {
 	int i;
 	u16 backups = 0;
-	u32 cluster;
+	u32 cluster, lgd_cluster;
 	u64 blkno, gd_blkno, lgd_blkno = le64_to_cpu(gd->bg_blkno);
 
 	for (i = 0; i < OCFS2_MAX_BACKUP_SUPERBLOCKS; i++) {
@@ -73,6 +74,12 @@ static u16 ocfs2_calc_new_backup_super(struct inode *inode,
 		else if (gd_blkno > lgd_blkno)
 			break;
 
+		/* check if already done backup super */
+		lgd_cluster = ocfs2_blocks_to_clusters(inode->i_sb, lgd_blkno);
+		lgd_cluster += old_bg_clusters;
+		if (lgd_cluster >= cluster)
+			continue;
+
 		if (set)
 			ocfs2_set_bit(cluster % cl_cpg,
 				      (unsigned long *)gd->bg_bitmap);
@@ -101,6 +108,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
 	u16 chain, num_bits, backups = 0;
 	u16 cl_bpc = le16_to_cpu(cl->cl_bpc);
 	u16 cl_cpg = le16_to_cpu(cl->cl_cpg);
+	u16 old_bg_clusters;
 
 	trace_ocfs2_update_last_group_and_inode(new_clusters,
 						first_new_cluster);
@@ -114,6 +122,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
 
 	group = (struct ocfs2_group_desc *)group_bh->b_data;
 
+	old_bg_clusters = le16_to_cpu(group->bg_bits) / cl_bpc;
 	/* update the group first. */
 	num_bits = new_clusters * cl_bpc;
 	le16_add_cpu(&group->bg_bits, num_bits);
@@ -129,7 +138,7 @@ static int ocfs2_update_last_group_and_inode(handle_t *handle,
 						     group,
 						     new_clusters,
 						     first_new_cluster,
-						     cl_cpg, 1);
+						     cl_cpg, old_bg_clusters, 1);
 		le16_add_cpu(&group->bg_free_bits_count, -1 * backups);
 	}
 
@@ -169,7 +178,7 @@ out_rollback:
 					    group,
 					    new_clusters,
 					    first_new_cluster,
-					    cl_cpg, 0);
+					    cl_cpg, old_bg_clusters, 0);
 		le16_add_cpu(&group->bg_free_bits_count, backups);
 		le16_add_cpu(&group->bg_bits, -1 * num_bits);
 		le16_add_cpu(&group->bg_free_bits_count, -1 * num_bits);
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
index 9a33c5f..f6c229e 100644
--- a/include/linux/enclosure.h
+++ b/include/linux/enclosure.h
@@ -29,7 +29,11 @@
 /* A few generic types ... taken from ses-2 */
 enum enclosure_component_type {
 	ENCLOSURE_COMPONENT_DEVICE = 0x01,
+	ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS = 0x07,
+	ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14,
+	ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15,
 	ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17,
+	ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18,
 };
 
 /* ses-2 common element status */
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d0c9e6d..d9c4a60 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2134,8 +2134,7 @@ extern int	       skb_copy_datagram_iovec(const struct sk_buff *from,
 					       int size);
 extern int	       skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
 							int hlen,
-							struct iovec *iov,
-							int len);
+							struct iovec *iov);
 extern int	       skb_copy_datagram_from_iovec(struct sk_buff *skb,
 						    int offset,
 						    const struct iovec *from,
diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 2cccd82..9069f8d 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -1586,7 +1586,8 @@ struct sctp_association {
 		 *             : order.  When DATA chunks are out of order,
 		 *             : SACK's are not delayed (see Section 6).
 		 */
-		__u8    sack_needed;     /* Do we need to sack the peer? */
+		__u8    sack_needed:1,     /* Do we need to sack the peer? */
+			zero_window_announced:1;
 		__u32	sack_cnt;
 
 		/* These are capabilities which our peer advertised.  */
diff --git a/include/net/sock.h b/include/net/sock.h
index ce6f641..38fcee9 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -302,8 +302,8 @@ struct sock {
 				sk_no_check  : 2,
 				sk_userlocks : 4,
 				sk_protocol  : 8,
-#define SK_PROTOCOL_MAX ((u8)~0U)
 				sk_type      : 16;
+#define SK_PROTOCOL_MAX ((u8)~0U)
 	kmemcheck_bitfield_end(flags);
 	int			sk_wmem_queued;
 	gfp_t			sk_allocation;
diff --git a/include/sound/tlv.h b/include/sound/tlv.h
index 7067e2d..49e7bd6 100644
--- a/include/sound/tlv.h
+++ b/include/sound/tlv.h
@@ -38,21 +38,26 @@
 #define SNDRV_CTL_TLVT_DB_MINMAX 4	/* dB scale with min/max */
 #define SNDRV_CTL_TLVT_DB_MINMAX_MUTE 5	/* dB scale with min/max with mute */
 
+#define TLV_ITEM(type, ...) \
+	(type), TLV_LENGTH(__VA_ARGS__), __VA_ARGS__
+#define TLV_LENGTH(...) \
+	((unsigned int)sizeof((const unsigned int[]) { __VA_ARGS__ }))
+
 #define TLV_DB_SCALE_MASK	0xffff
 #define TLV_DB_SCALE_MUTE	0x10000
 #define TLV_DB_SCALE_ITEM(min, step, mute)			\
-	SNDRV_CTL_TLVT_DB_SCALE, 2 * sizeof(unsigned int),	\
-	(min), ((step) & TLV_DB_SCALE_MASK) | ((mute) ? TLV_DB_SCALE_MUTE : 0)
+	TLV_ITEM(SNDRV_CTL_TLVT_DB_SCALE,			\
+		 (min),					\
+		 ((step) & TLV_DB_SCALE_MASK) |		\
+			((mute) ? TLV_DB_SCALE_MUTE : 0))
 #define DECLARE_TLV_DB_SCALE(name, min, step, mute) \
 	unsigned int name[] = { TLV_DB_SCALE_ITEM(min, step, mute) }
 
 /* dB scale specified with min/max values instead of step */
 #define TLV_DB_MINMAX_ITEM(min_dB, max_dB)			\
-	SNDRV_CTL_TLVT_DB_MINMAX, 2 * sizeof(unsigned int),	\
-	(min_dB), (max_dB)
+	TLV_ITEM(SNDRV_CTL_TLVT_DB_MINMAX, (min_dB), (max_dB))
 #define TLV_DB_MINMAX_MUTE_ITEM(min_dB, max_dB)			\
-	SNDRV_CTL_TLVT_DB_MINMAX_MUTE, 2 * sizeof(unsigned int),	\
-	(min_dB), (max_dB)
+	TLV_ITEM(SNDRV_CTL_TLVT_DB_MINMAX_MUTE, (min_dB), (max_dB))
 #define DECLARE_TLV_DB_MINMAX(name, min_dB, max_dB) \
 	unsigned int name[] = { TLV_DB_MINMAX_ITEM(min_dB, max_dB) }
 #define DECLARE_TLV_DB_MINMAX_MUTE(name, min_dB, max_dB) \
@@ -60,13 +65,16 @@
 
 /* linear volume between min_dB and max_dB (.01dB unit) */
 #define TLV_DB_LINEAR_ITEM(min_dB, max_dB)		    \
-	SNDRV_CTL_TLVT_DB_LINEAR, 2 * sizeof(unsigned int), \
-	(min_dB), (max_dB)
+	TLV_ITEM(SNDRV_CTL_TLVT_DB_LINEAR, (min_dB), (max_dB))
 #define DECLARE_TLV_DB_LINEAR(name, min_dB, max_dB)	\
 	unsigned int name[] = { TLV_DB_LINEAR_ITEM(min_dB, max_dB) }
 
 /* dB range container */
 /* Each item is: <min> <max> <TLV> */
+#define TLV_DB_RANGE_ITEM(...) \
+	TLV_ITEM(SNDRV_CTL_TLVT_DB_RANGE, __VA_ARGS__)
+#define DECLARE_TLV_DB_RANGE(name, ...) \
+	unsigned int name[] = { TLV_DB_RANGE_ITEM(__VA_ARGS__) }
 /* The below assumes that each item TLV is 4 words like DB_SCALE or LINEAR */
 #define TLV_DB_RANGE_HEAD(num)			\
 	SNDRV_CTL_TLVT_DB_RANGE, 6 * (num) * sizeof(unsigned int)
diff --git a/include/xen/interface/io/ring.h b/include/xen/interface/io/ring.h
index 7d28aff..7dc685b4 100644
--- a/include/xen/interface/io/ring.h
+++ b/include/xen/interface/io/ring.h
@@ -181,6 +181,20 @@ struct __name##_back_ring {						\
 #define RING_GET_REQUEST(_r, _idx)					\
     (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].req))
 
+/*
+ * Get a local copy of a request.
+ *
+ * Use this in preference to RING_GET_REQUEST() so all processing is
+ * done on a local copy that cannot be modified by the other end.
+ *
+ * Note that https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58145 may cause this
+ * to be ineffective where _req is a struct which consists of only bitfields.
+ */
+#define RING_COPY_REQUEST(_r, _idx, _req) do {				\
+	/* Use volatile to force the copy into _req. */			\
+	*(_req) = *(volatile typeof(_req))RING_GET_REQUEST(_r, _idx);	\
+} while (0)
+
 #define RING_GET_RESPONSE(_r, _idx)					\
     (&((_r)->sring->ring[((_idx) & (RING_SIZE(_r) - 1))].rsp))
 
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index 127a32e..8080f98 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -1200,6 +1200,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
 	if (!desc)
 		return NULL;
 
+	chip_bus_lock(desc);
 	raw_spin_lock_irqsave(&desc->lock, flags);
 
 	/*
@@ -1213,7 +1214,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
 		if (!action) {
 			WARN(1, "Trying to free already-free IRQ %d\n", irq);
 			raw_spin_unlock_irqrestore(&desc->lock, flags);
-
+			chip_bus_sync_unlock(desc);
 			return NULL;
 		}
 
@@ -1242,6 +1243,7 @@ static struct irqaction *__free_irq(unsigned int irq, void *dev_id)
 #endif
 
 	raw_spin_unlock_irqrestore(&desc->lock, flags);
+	chip_bus_sync_unlock(desc);
 
 	unregister_handler_proc(irq, action);
 
@@ -1316,9 +1318,7 @@ void free_irq(unsigned int irq, void *dev_id)
 		desc->affinity_notify = NULL;
 #endif
 
-	chip_bus_lock(desc);
 	kfree(__free_irq(irq, dev_id));
-	chip_bus_sync_unlock(desc);
 }
 EXPORT_SYMBOL(free_irq);
 
diff --git a/mm/memory_hotplug.c b/mm/memory_hotplug.c
index 09d87b7..223232a 100644
--- a/mm/memory_hotplug.c
+++ b/mm/memory_hotplug.c
@@ -716,23 +716,30 @@ int is_mem_section_removable(unsigned long start_pfn, unsigned long nr_pages)
  */
 static int test_pages_in_a_zone(unsigned long start_pfn, unsigned long end_pfn)
 {
-	unsigned long pfn;
+	unsigned long pfn, sec_end_pfn;
 	struct zone *zone = NULL;
 	struct page *page;
 	int i;
-	for (pfn = start_pfn;
+	for (pfn = start_pfn, sec_end_pfn = SECTION_ALIGN_UP(start_pfn);
 	     pfn < end_pfn;
-	     pfn += MAX_ORDER_NR_PAGES) {
-		i = 0;
-		/* This is just a CONFIG_HOLES_IN_ZONE check.*/
-		while ((i < MAX_ORDER_NR_PAGES) && !pfn_valid_within(pfn + i))
-			i++;
-		if (i == MAX_ORDER_NR_PAGES)
+	     pfn = sec_end_pfn + 1, sec_end_pfn += PAGES_PER_SECTION) {
+		/* Make sure the memory section is present first */
+		if (!present_section_nr(pfn_to_section_nr(pfn)))
 			continue;
-		page = pfn_to_page(pfn + i);
-		if (zone && page_zone(page) != zone)
-			return 0;
-		zone = page_zone(page);
+		for (; pfn < sec_end_pfn && pfn < end_pfn;
+		     pfn += MAX_ORDER_NR_PAGES) {
+			i = 0;
+			/* This is just a CONFIG_HOLES_IN_ZONE check.*/
+			while ((i < MAX_ORDER_NR_PAGES) &&
+				!pfn_valid_within(pfn + i))
+				i++;
+			if (i == MAX_ORDER_NR_PAGES)
+				continue;
+			page = pfn_to_page(pfn + i);
+			if (zone && page_zone(page) != zone)
+				return 0;
+			zone = page_zone(page);
+		}
 	}
 	return 1;
 }
diff --git a/mm/vmstat.c b/mm/vmstat.c
index 14d8cb4..887e83f 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -1203,9 +1203,10 @@ static int __init setup_vmstat(void)
 #ifdef CONFIG_SMP
 	int cpu;
 
+	vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
+
 	register_cpu_notifier(&vmstat_notifier);
 
-	vmstat_wq = alloc_workqueue("vmstat", WQ_FREEZABLE|WQ_MEM_RECLAIM, 0);
 	for_each_online_cpu(cpu)
 		start_cpu_timer(cpu);
 #endif
diff --git a/net/core/datagram.c b/net/core/datagram.c
index 6616bfb..a496313 100644
--- a/net/core/datagram.c
+++ b/net/core/datagram.c
@@ -709,7 +709,6 @@ EXPORT_SYMBOL(__skb_checksum_complete);
  *	@skb: skbuff
  *	@hlen: hardware length
  *	@iov: io vector
- *	@len: amount of data to copy from skb to iov
  *
  *	Caller _must_ check that skb will fit to this iovec.
  *
@@ -719,14 +718,11 @@ EXPORT_SYMBOL(__skb_checksum_complete);
  *			   can be modified!
  */
 int skb_copy_and_csum_datagram_iovec(struct sk_buff *skb,
-				     int hlen, struct iovec *iov, int len)
+				     int hlen, struct iovec *iov)
 {
 	__wsum csum;
 	int chunk = skb->len - hlen;
 
-	if (chunk > len)
-		chunk = len;
-
 	if (!chunk)
 		return 0;
 
diff --git a/net/core/dev.c b/net/core/dev.c
index 9a95205..ec29958 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -5446,7 +5446,10 @@ int __netdev_update_features(struct net_device *dev)
 		netdev_err(dev,
 			"set_features() failed (%d); wanted 0x%08x, left 0x%08x\n",
 			err, features, dev->features);
-		return 0;
+		/* return non-0 since some features might have changed and
+		 * it's better to fire a spurious notification than miss it
+		 */
+		return -1;
 	}
 
 	if (!err)
diff --git a/net/core/dst.c b/net/core/dst.c
index 946e214..59381de 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -269,10 +269,11 @@ void dst_release(struct dst_entry *dst)
 {
 	if (dst) {
 		int newrefcnt;
+		unsigned short nocache = dst->flags & DST_NOCACHE;
 
 		newrefcnt = atomic_dec_return(&dst->__refcnt);
 		WARN_ON(newrefcnt < 0);
-		if (!newrefcnt && unlikely(dst->flags & DST_NOCACHE)) {
+		if (!newrefcnt && unlikely(nocache)) {
 			dst = dst_destroy(dst);
 			if (dst)
 				__dst_free(dst);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 3877e16..039e40f 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5198,7 +5198,7 @@ static int tcp_copy_to_iovec(struct sock *sk, struct sk_buff *skb, int hlen)
 		err = skb_copy_datagram_iovec(skb, hlen, tp->ucopy.iov, chunk);
 	else
 		err = skb_copy_and_csum_datagram_iovec(skb, hlen,
-						       tp->ucopy.iov, chunk);
+						       tp->ucopy.iov);
 
 	if (!err) {
 		tp->ucopy.len -= chunk;
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index b111221..f602611 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -1172,6 +1172,7 @@ int udp_recvmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg,
 	int peeked;
 	int err;
 	int is_udplite = IS_UDPLITE(sk);
+	bool checksum_valid = false;
 	bool slow;
 
 	if (flags & MSG_ERRQUEUE)
@@ -1197,17 +1198,18 @@ try_again:
 	 */
 
 	if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) {
-		if (udp_lib_checksum_complete(skb))
+		checksum_valid = !udp_lib_checksum_complete(skb);
+		if (!checksum_valid)
 			goto csum_copy_err;
 	}
 
-	if (skb_csum_unnecessary(skb))
+	if (checksum_valid || skb_csum_unnecessary(skb))
 		err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr),
 					      msg->msg_iov, copied);
 	else {
 		err = skb_copy_and_csum_datagram_iovec(skb,
 						       sizeof(struct udphdr),
-						       msg->msg_iov, copied);
+						       msg->msg_iov);
 
 		if (err == -EINVAL)
 			goto csum_copy_err;
diff --git a/net/ipv6/addrlabel.c b/net/ipv6/addrlabel.c
index 2d8ddba..c8c6a12 100644
--- a/net/ipv6/addrlabel.c
+++ b/net/ipv6/addrlabel.c
@@ -558,7 +558,7 @@ static int ip6addrlbl_get(struct sk_buff *in_skb, struct nlmsghdr* nlh,
 
 	rcu_read_lock();
 	p = __ipv6_addr_label(net, addr, ipv6_addr_type(addr), ifal->ifal_index);
-	if (p && ip6addrlbl_hold(p))
+	if (p && !ip6addrlbl_hold(p))
 		p = NULL;
 	lseq = ip6addrlbl_table.seq;
 	rcu_read_unlock();
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c
index d1e528c..bebc821 100644
--- a/net/ipv6/raw.c
+++ b/net/ipv6/raw.c
@@ -479,7 +479,7 @@ static int rawv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 			goto csum_copy_err;
 		err = skb_copy_datagram_iovec(skb, 0, msg->msg_iov, copied);
 	} else {
-		err = skb_copy_and_csum_datagram_iovec(skb, 0, msg->msg_iov, copied);
+		err = skb_copy_and_csum_datagram_iovec(skb, 0, msg->msg_iov);
 		if (err == -EINVAL)
 			goto csum_copy_err;
 	}
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 3308803..03a7ed1 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -344,6 +344,7 @@ int udpv6_recvmsg(struct kiocb *iocb, struct sock *sk,
 	int peeked;
 	int err;
 	int is_udplite = IS_UDPLITE(sk);
+	bool checksum_valid = false;
 	int is_udp4;
 	bool slow;
 
@@ -375,16 +376,16 @@ try_again:
 	 */
 
 	if (copied < ulen || UDP_SKB_CB(skb)->partial_cov) {
-		if (udp_lib_checksum_complete(skb))
+		checksum_valid = !udp_lib_checksum_complete(skb);
+		if (!checksum_valid)
 			goto csum_copy_err;
 	}
 
-	if (skb_csum_unnecessary(skb))
+	if (checksum_valid || skb_csum_unnecessary(skb))
 		err = skb_copy_datagram_iovec(skb, sizeof(struct udphdr),
 					      msg->msg_iov, copied       );
 	else {
-		err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr),
-						       msg->msg_iov, copied);
+		err = skb_copy_and_csum_datagram_iovec(skb, sizeof(struct udphdr), msg->msg_iov);
 		if (err == -EINVAL)
 			goto csum_copy_err;
 	}
diff --git a/net/rfkill/core.c b/net/rfkill/core.c
index 5be1957..13d0fb6 100644
--- a/net/rfkill/core.c
+++ b/net/rfkill/core.c
@@ -50,7 +50,6 @@
 struct rfkill {
 	spinlock_t		lock;
 
-	const char		*name;
 	enum rfkill_type	type;
 
 	unsigned long		state;
@@ -74,6 +73,7 @@ struct rfkill {
 	struct delayed_work	poll_work;
 	struct work_struct	uevent_work;
 	struct work_struct	sync_work;
+	char			name[];
 };
 #define to_rfkill(d)	container_of(d, struct rfkill, dev)
 
@@ -848,14 +848,14 @@ struct rfkill * __must_check rfkill_alloc(const char *name,
 	if (WARN_ON(type == RFKILL_TYPE_ALL || type >= NUM_RFKILL_TYPES))
 		return NULL;
 
-	rfkill = kzalloc(sizeof(*rfkill), GFP_KERNEL);
+	rfkill = kzalloc(sizeof(*rfkill) + strlen(name) + 1, GFP_KERNEL);
 	if (!rfkill)
 		return NULL;
 
 	spin_lock_init(&rfkill->lock);
 	INIT_LIST_HEAD(&rfkill->node);
 	rfkill->type = type;
-	rfkill->name = name;
+	strcpy(rfkill->name, name);
 	rfkill->ops = ops;
 	rfkill->data = ops_data;
 
diff --git a/net/rxrpc/ar-recvmsg.c b/net/rxrpc/ar-recvmsg.c
index c67f5d3..5cc2da5 100644
--- a/net/rxrpc/ar-recvmsg.c
+++ b/net/rxrpc/ar-recvmsg.c
@@ -185,8 +185,7 @@ int rxrpc_recvmsg(struct kiocb *iocb, struct socket *sock,
 						      msg->msg_iov, copy);
 		} else {
 			ret = skb_copy_and_csum_datagram_iovec(skb, offset,
-							       msg->msg_iov,
-							       copy);
+							       msg->msg_iov);
 			if (ret == -EINVAL)
 				goto csum_copy_error;
 		}
diff --git a/net/sctp/ipv6.c b/net/sctp/ipv6.c
index 1f9a6f7..054c6a2 100644
--- a/net/sctp/ipv6.c
+++ b/net/sctp/ipv6.c
@@ -314,14 +314,13 @@ static void sctp_v6_get_dst(struct sctp_transport *t, union sctp_addr *saddr,
 			}
 		}
 	}
-	rcu_read_unlock();
-
 	if (baddr) {
 		ipv6_addr_copy(&fl6->saddr, &baddr->v6.sin6_addr);
 		fl6->fl6_sport = baddr->v6.sin6_port;
 		final_p = fl6_update_dst(fl6, np->opt, &final);
 		dst = ip6_dst_lookup_flow(sk, fl6, final_p, false);
 	}
+	rcu_read_unlock();
 
 out:
 	if (!IS_ERR(dst)) {
diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index 3dd7207..7b28546 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -1265,6 +1265,7 @@ int sctp_outq_sack(struct sctp_outq *q, struct sctp_sackhdr *sack)
 	 */
 
 	sack_a_rwnd = ntohl(sack->a_rwnd);
+	asoc->peer.zero_window_announced = !sack_a_rwnd;
 	outstanding = q->outstanding_bytes;
 
 	if (outstanding < sack_a_rwnd)
diff --git a/net/sctp/sm_statefuns.c b/net/sctp/sm_statefuns.c
index d02dd3c..eb638dd 100644
--- a/net/sctp/sm_statefuns.c
+++ b/net/sctp/sm_statefuns.c
@@ -5302,7 +5302,8 @@ sctp_disposition_t sctp_sf_do_6_3_3_rtx(const struct sctp_endpoint *ep,
 	SCTP_INC_STATS(SCTP_MIB_T3_RTX_EXPIREDS);
 
 	if (asoc->overall_error_count >= asoc->max_retrans) {
-		if (asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
+		if (asoc->peer.zero_window_announced &&
+		    asoc->state == SCTP_STATE_SHUTDOWN_PENDING) {
 			/*
 			 * We are here likely because the receiver had its rwnd
 			 * closed for a while and we have not been able to
diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
index ee52cb8..0d5ae4a 100644
--- a/scripts/recordmcount.c
+++ b/scripts/recordmcount.c
@@ -35,12 +35,17 @@
 
 static int fd_map;	/* File descriptor for file being modified. */
 static int mmap_failed; /* Boolean flag. */
-static void *ehdr_curr; /* current ElfXX_Ehdr *  for resource cleanup */
 static char gpfx;	/* prefix for global symbol name (sometimes '_') */
 static struct stat sb;	/* Remember .st_size, etc. */
 static jmp_buf jmpenv;	/* setjmp/longjmp per-file error escape */
 static const char *altmcount;	/* alternate mcount symbol name */
 static int warn_on_notrace_sect; /* warn when section has mcount not being recorded */
+static void *file_map;	/* pointer of the mapped file */
+static void *file_end;	/* pointer to the end of the mapped file */
+static int file_updated; /* flag to state file was changed */
+static void *file_ptr;	/* current file pointer location */
+static void *file_append; /* added to the end of the file */
+static size_t file_append_size; /* how much is added to end of file */
 
 /* setjmp() return values */
 enum {
@@ -54,10 +59,14 @@ static void
 cleanup(void)
 {
 	if (!mmap_failed)
-		munmap(ehdr_curr, sb.st_size);
+		munmap(file_map, sb.st_size);
 	else
-		free(ehdr_curr);
-	close(fd_map);
+		free(file_map);
+	file_map = NULL;
+	free(file_append);
+	file_append = NULL;
+	file_append_size = 0;
+	file_updated = 0;
 }
 
 static void __attribute__((noreturn))
@@ -79,12 +88,22 @@ succeed_file(void)
 static off_t
 ulseek(int const fd, off_t const offset, int const whence)
 {
-	off_t const w = lseek(fd, offset, whence);
-	if (w == (off_t)-1) {
-		perror("lseek");
+	switch (whence) {
+	case SEEK_SET:
+		file_ptr = file_map + offset;
+		break;
+	case SEEK_CUR:
+		file_ptr += offset;
+		break;
+	case SEEK_END:
+		file_ptr = file_map + (sb.st_size - offset);
+		break;
+	}
+	if (file_ptr < file_map) {
+		fprintf(stderr, "lseek: seek before file\n");
 		fail_file();
 	}
-	return w;
+	return file_ptr - file_map;
 }
 
 static size_t
@@ -101,12 +120,38 @@ uread(int const fd, void *const buf, size_t const count)
 static size_t
 uwrite(int const fd, void const *const buf, size_t const count)
 {
-	size_t const n = write(fd, buf, count);
-	if (n != count) {
-		perror("write");
-		fail_file();
+	size_t cnt = count;
+	off_t idx = 0;
+
+	file_updated = 1;
+
+	if (file_ptr + count >= file_end) {
+		off_t aoffset = (file_ptr + count) - file_end;
+
+		if (aoffset > file_append_size) {
+			file_append = realloc(file_append, aoffset);
+			file_append_size = aoffset;
+		}
+		if (!file_append) {
+			perror("write");
+			fail_file();
+		}
+		if (file_ptr < file_end) {
+			cnt = file_end - file_ptr;
+		} else {
+			cnt = 0;
+			idx = aoffset - count;
+		}
 	}
-	return n;
+
+	if (cnt)
+		memcpy(file_ptr, buf, cnt);
+
+	if (cnt < count)
+		memcpy(file_append + idx, buf + cnt, count - cnt);
+
+	file_ptr += count;
+	return count;
 }
 
 static void *
@@ -163,9 +208,7 @@ static int make_nop_x86(void *map, size_t const offset)
  */
 static void *mmap_file(char const *fname)
 {
-	void *addr;
-
-	fd_map = open(fname, O_RDWR);
+	fd_map = open(fname, O_RDONLY);
 	if (fd_map < 0 || fstat(fd_map, &sb) < 0) {
 		perror(fname);
 		fail_file();
@@ -174,15 +217,58 @@ static void *mmap_file(char const *fname)
 		fprintf(stderr, "not a regular file: %s\n", fname);
 		fail_file();
 	}
-	addr = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
-		    fd_map, 0);
+	file_map = mmap(0, sb.st_size, PROT_READ|PROT_WRITE, MAP_PRIVATE,
+			fd_map, 0);
 	mmap_failed = 0;
-	if (addr == MAP_FAILED) {
+	if (file_map == MAP_FAILED) {
 		mmap_failed = 1;
-		addr = umalloc(sb.st_size);
-		uread(fd_map, addr, sb.st_size);
+		file_map = umalloc(sb.st_size);
+		uread(fd_map, file_map, sb.st_size);
+	}
+	close(fd_map);
+
+	file_end = file_map + sb.st_size;
+
+	return file_map;
+}
+
+static void write_file(const char *fname)
+{
+	char tmp_file[strlen(fname) + 4];
+	size_t n;
+
+	if (!file_updated)
+		return;
+
+	sprintf(tmp_file, "%s.rc", fname);
+
+	/*
+	 * After reading the entire file into memory, delete it
+	 * and write it back, to prevent weird side effects of modifying
+	 * an object file in place.
+	 */
+	fd_map = open(tmp_file, O_WRONLY | O_TRUNC | O_CREAT, sb.st_mode);
+	if (fd_map < 0) {
+		perror(fname);
+		fail_file();
+	}
+	n = write(fd_map, file_map, sb.st_size);
+	if (n != sb.st_size) {
+		perror("write");
+		fail_file();
+	}
+	if (file_append_size) {
+		n = write(fd_map, file_append, file_append_size);
+		if (n != file_append_size) {
+			perror("write");
+			fail_file();
+		}
+	}
+	close(fd_map);
+	if (rename(tmp_file, fname) < 0) {
+		perror(fname);
+		fail_file();
 	}
-	return addr;
 }
 
 /* w8rev, w8nat, ...: Handle endianness. */
@@ -289,7 +375,6 @@ do_file(char const *const fname)
 	Elf32_Ehdr *const ehdr = mmap_file(fname);
 	unsigned int reltype = 0;
 
-	ehdr_curr = ehdr;
 	w = w4nat;
 	w2 = w2nat;
 	w8 = w8nat;
@@ -401,6 +486,7 @@ do_file(char const *const fname)
 	}
 	}  /* end switch */
 
+	write_file(fname);
 	cleanup();
 }
 
@@ -453,11 +539,14 @@ main(int argc, char *argv[])
 		case SJ_SETJMP:    /* normal sequence */
 			/* Avoid problems if early cleanup() */
 			fd_map = -1;
-			ehdr_curr = NULL;
 			mmap_failed = 1;
+			file_map = NULL;
+			file_ptr = NULL;
+			file_updated = 0;
 			do_file(file);
 			break;
 		case SJ_FAIL:    /* error in do_file or below */
+			fprintf(stderr, "%s: failed\n", file);
 			++n_error;
 			break;
 		case SJ_SUCCEED:    /* premature success */
diff --git a/security/keys/keyctl.c b/security/keys/keyctl.c
index b70eaa2..234ce30 100644
--- a/security/keys/keyctl.c
+++ b/security/keys/keyctl.c
@@ -688,16 +688,16 @@ long keyctl_read_key(key_serial_t keyid, char __user *buffer, size_t buflen)
 
 	/* the key is probably readable - now try to read it */
 can_read_key:
-	ret = key_validate(key);
-	if (ret == 0) {
-		ret = -EOPNOTSUPP;
-		if (key->type->read) {
-			/* read the data with the semaphore held (since we
-			 * might sleep) */
-			down_read(&key->sem);
+	ret = -EOPNOTSUPP;
+	if (key->type->read) {
+		/* Read the data with the semaphore held (since we might sleep)
+		 * to protect against the key being updated or revoked.
+		 */
+		down_read(&key->sem);
+		ret = key_validate(key);
+		if (ret == 0)
 			ret = key->type->read(key, buffer, buflen);
-			up_read(&key->sem);
-		}
+		up_read(&key->sem);
 	}
 
 error2:
diff --git a/sound/usb/mixer.c b/sound/usb/mixer.c
index 488e531..2dc90a4 100644
--- a/sound/usb/mixer.c
+++ b/sound/usb/mixer.c
@@ -1213,6 +1213,8 @@ static void build_feature_ctl(struct mixer_build *state, void *raw_desc,
 		break;
 	}
 
+	snd_usb_mixer_fu_apply_quirk(state->mixer, cval, unitid, kctl);
+
 	range = (cval->max - cval->min) / cval->res;
 	/* Are there devices with volume range more than 255? I use a bit more
 	 * to be sure. 384 is a resolution magic number found on Logitech
diff --git a/sound/usb/mixer_maps.c b/sound/usb/mixer_maps.c
index 893b750..cb98040 100644
--- a/sound/usb/mixer_maps.c
+++ b/sound/usb/mixer_maps.c
@@ -319,13 +319,6 @@ static struct usbmix_name_map bose_companion5_map[] = {
 	{ 0 }	/* terminator */
 };
 
-/* Dragonfly DAC 1.2, the dB conversion factor is 1 instead of 256 */
-static struct usbmix_dB_map dragonfly_1_2_dB = {0, 5000};
-static struct usbmix_name_map dragonfly_1_2_map[] = {
-	{ 7, NULL, .dB = &dragonfly_1_2_dB },
-	{ 0 }	/* terminator */
-};
-
 /*
  * Control map entries
  */
@@ -413,11 +406,6 @@ static struct usbmix_ctl_map usbmix_ctl_maps[] = {
 		.id = USB_ID(0x05a7, 0x1020),
 		.map = bose_companion5_map,
 	},
-	{
-		/* Dragonfly DAC 1.2 */
-		.id = USB_ID(0x21b4, 0x0081),
-		.map = dragonfly_1_2_map,
-	},
 	{ 0 } /* terminator */
 };
 
diff --git a/sound/usb/mixer_quirks.c b/sound/usb/mixer_quirks.c
index 040d101..21f4d44 100644
--- a/sound/usb/mixer_quirks.c
+++ b/sound/usb/mixer_quirks.c
@@ -34,6 +34,7 @@
 #include <sound/control.h>
 #include <sound/hwdep.h>
 #include <sound/info.h>
+#include <sound/tlv.h>
 
 #include "usbaudio.h"
 #include "mixer.h"
@@ -682,3 +683,39 @@ void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 	}
 }
 
+static void snd_dragonfly_quirk_db_scale(struct usb_mixer_interface *mixer,
+					 struct snd_kcontrol *kctl)
+{
+	/* Approximation using 10 ranges based on output measurement on hw v1.2.
+	 * This seems close to the cubic mapping e.g. alsamixer uses. */
+	static const DECLARE_TLV_DB_RANGE(scale,
+		 0,  1, TLV_DB_MINMAX_ITEM(-5300, -4970),
+		 2,  5, TLV_DB_MINMAX_ITEM(-4710, -4160),
+		 6,  7, TLV_DB_MINMAX_ITEM(-3884, -3710),
+		 8, 14, TLV_DB_MINMAX_ITEM(-3443, -2560),
+		15, 16, TLV_DB_MINMAX_ITEM(-2475, -2324),
+		17, 19, TLV_DB_MINMAX_ITEM(-2228, -2031),
+		20, 26, TLV_DB_MINMAX_ITEM(-1910, -1393),
+		27, 31, TLV_DB_MINMAX_ITEM(-1322, -1032),
+		32, 40, TLV_DB_MINMAX_ITEM(-968, -490),
+		41, 50, TLV_DB_MINMAX_ITEM(-441, 0),
+	);
+
+	dev_info(&mixer->chip->dev->dev, "applying DragonFly dB scale quirk\n");
+	kctl->tlv.p = scale;
+	kctl->vd[0].access |= SNDRV_CTL_ELEM_ACCESS_TLV_READ;
+	kctl->vd[0].access &= ~SNDRV_CTL_ELEM_ACCESS_TLV_CALLBACK;
+}
+
+void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
+				  struct usb_mixer_elem_info *cval, int unitid,
+				  struct snd_kcontrol *kctl)
+{
+	switch (mixer->chip->usb_id) {
+	case USB_ID(0x21b4, 0x0081): /* AudioQuest DragonFly */
+		if (unitid == 7 && cval->min == 0 && cval->max == 50)
+			snd_dragonfly_quirk_db_scale(mixer, kctl);
+		break;
+	}
+}
+
diff --git a/sound/usb/mixer_quirks.h b/sound/usb/mixer_quirks.h
index bdbfab0..177c329 100644
--- a/sound/usb/mixer_quirks.h
+++ b/sound/usb/mixer_quirks.h
@@ -9,5 +9,9 @@ void snd_emuusb_set_samplerate(struct snd_usb_audio *chip,
 void snd_usb_mixer_rc_memory_change(struct usb_mixer_interface *mixer,
 				    int unitid);
 
+void snd_usb_mixer_fu_apply_quirk(struct usb_mixer_interface *mixer,
+				  struct usb_mixer_elem_info *cval, int unitid,
+				  struct snd_kcontrol *kctl);
+
 #endif /* SND_USB_MIXER_QUIRKS_H */