Merge branches 'bugzilla-14886', 'bugzilla-15000', 'bugzilla-15040', 'bugzilla-15108', 'pdc', 'hotplug-null-ref' and 'thinkpad' into release
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index 736d456..826b6e1 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -199,6 +199,10 @@
 			acpi_display_output=video
 			See above.
 
+	acpi_early_pdc_eval	[HW,ACPI] Evaluate processor _PDC methods
+				early. Needed on some platforms to properly
+				initialize the EC.
+
 	acpi_irq_balance [HW,ACPI]
 			ACPI will balance active IRQs
 			default in APIC mode
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 7ae5889..e97b255 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -94,6 +94,7 @@
 #define acpi_noirq 0	/* ACPI always enabled on IA64 */
 #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
 #define acpi_strict 1	/* no ACPI spec workarounds on IA64 */
+#define acpi_ht 0	/* no HT-only mode on IA64 */
 #endif
 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
 static inline void disable_acpi(void) { }
diff --git a/arch/ia64/include/asm/elf.h b/arch/ia64/include/asm/elf.h
index e14108b..4c41656 100644
--- a/arch/ia64/include/asm/elf.h
+++ b/arch/ia64/include/asm/elf.h
@@ -201,7 +201,9 @@
    relevant until we have real hardware to play with... */
 #define ELF_PLATFORM	NULL
 
-#define SET_PERSONALITY(ex)	set_personality(PER_LINUX)
+#define SET_PERSONALITY(ex)	\
+	set_personality((current->personality & ~PER_MASK) | PER_LINUX)
+
 #define elf_read_implies_exec(ex, executable_stack)					\
 	((executable_stack!=EXSTACK_DISABLE_X) && ((ex).e_flags & EF_IA_64_LINUX_EXECUTABLE_STACK) != 0)
 
diff --git a/arch/sh/kernel/ptrace_64.c b/arch/sh/kernel/ptrace_64.c
index 873ebdc..b063eb8 100644
--- a/arch/sh/kernel/ptrace_64.c
+++ b/arch/sh/kernel/ptrace_64.c
@@ -133,6 +133,8 @@
 	struct pt_regs *regs = child->thread.uregs;
 
 	regs->sr |= SR_SSTEP;	/* auto-resetting upon exception */
+
+	set_tsk_thread_flag(child, TIF_SINGLESTEP);
 }
 
 void user_disable_single_step(struct task_struct *child)
@@ -140,6 +142,8 @@
 	struct pt_regs *regs = child->thread.uregs;
 
 	regs->sr &= ~SR_SSTEP;
+
+	clear_tsk_thread_flag(child, TIF_SINGLESTEP);
 }
 
 static int genregs_get(struct task_struct *target,
@@ -454,6 +458,8 @@
 
 asmlinkage void do_syscall_trace_leave(struct pt_regs *regs)
 {
+	int step;
+
 	if (unlikely(current->audit_context))
 		audit_syscall_exit(AUDITSC_RESULT(regs->regs[9]),
 				   regs->regs[9]);
@@ -461,8 +467,9 @@
 	if (unlikely(test_thread_flag(TIF_SYSCALL_TRACEPOINT)))
 		trace_sys_exit(regs, regs->regs[9]);
 
-	if (test_thread_flag(TIF_SYSCALL_TRACE))
-		tracehook_report_syscall_exit(regs, 0);
+	step = test_thread_flag(TIF_SINGLESTEP);
+	if (step || test_thread_flag(TIF_SYSCALL_TRACE))
+		tracehook_report_syscall_exit(regs, step);
 }
 
 /* Called with interrupts disabled */
diff --git a/arch/sh/kernel/signal_64.c b/arch/sh/kernel/signal_64.c
index ce76dbd..580e97d 100644
--- a/arch/sh/kernel/signal_64.c
+++ b/arch/sh/kernel/signal_64.c
@@ -118,7 +118,9 @@
 			 * clear the TS_RESTORE_SIGMASK flag.
 			 */
 			current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
-			tracehook_signal_handler(signr, &info, &ka, regs, 0);
+
+			tracehook_signal_handler(signr, &info, &ka, regs,
+					test_thread_flag(TIF_SINGLESTEP));
 			return 1;
 		}
 	}
diff --git a/arch/x86/include/asm/elf.h b/arch/x86/include/asm/elf.h
index 1994d3f..f2ad216 100644
--- a/arch/x86/include/asm/elf.h
+++ b/arch/x86/include/asm/elf.h
@@ -170,10 +170,7 @@
 }
 
 #define ELF_PLAT_INIT(_r, load_addr)			\
-do {							\
-	elf_common_init(&current->thread, _r, 0);	\
-	clear_thread_flag(TIF_IA32);			\
-} while (0)
+	elf_common_init(&current->thread, _r, 0)
 
 #define	COMPAT_ELF_PLAT_INIT(regs, load_addr)		\
 	elf_common_init(&current->thread, regs, __USER_DS)
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index 0acbcdf..af1c583 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -1344,14 +1344,6 @@
 	 },
 	{
 	 .callback = force_acpi_ht,
-	 .ident = "ASUS P2B-DS",
-	 .matches = {
-		     DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
-		     DMI_MATCH(DMI_BOARD_NAME, "P2B-DS"),
-		     },
-	 },
-	{
-	 .callback = force_acpi_ht,
 	 .ident = "ASUS CUR-DLS",
 	 .matches = {
 		     DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 41a26a8..126f0b4 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -527,6 +527,7 @@
 
 	/* Make sure to be in 32bit mode */
 	set_thread_flag(TIF_IA32);
+	current->personality |= force_personality32;
 
 	/* Prepare the first "return" to user space */
 	current_thread_info()->status |= TS_COMPAT;
diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
index bbc2c13..b2586f5 100644
--- a/drivers/acpi/dock.c
+++ b/drivers/acpi/dock.c
@@ -935,6 +935,7 @@
 	struct platform_device *dd;
 
 	id = dock_station_count;
+	memset(&ds, 0, sizeof(ds));
 	dd = platform_device_register_data(NULL, "dock", id, &ds, sizeof(ds));
 	if (IS_ERR(dd))
 		return PTR_ERR(dd);
diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c
index 7c0441f..e88e8ae0 100644
--- a/drivers/acpi/processor_idle.c
+++ b/drivers/acpi/processor_idle.c
@@ -110,6 +110,14 @@
 	  DMI_MATCH(DMI_BIOS_VENDOR,"Phoenix Technologies LTD"),
 	  DMI_MATCH(DMI_BIOS_VERSION,"SHE845M0.86C.0013.D.0302131307")},
 	 (void *)2},
+	{ set_max_cstate, "Pavilion zv5000", {
+	  DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
+	  DMI_MATCH(DMI_PRODUCT_NAME,"Pavilion zv5000 (DS502A#ABA)")},
+	 (void *)1},
+	{ set_max_cstate, "Asus L8400B", {
+	  DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer Inc."),
+	  DMI_MATCH(DMI_PRODUCT_NAME,"L8400B series Notebook PC")},
+	 (void *)1},
 	{},
 };
 
diff --git a/drivers/acpi/processor_pdc.c b/drivers/acpi/processor_pdc.c
index 7247819..e306ba9 100644
--- a/drivers/acpi/processor_pdc.c
+++ b/drivers/acpi/processor_pdc.c
@@ -125,6 +125,8 @@
 	return status;
 }
 
+static int early_pdc_done;
+
 void acpi_processor_set_pdc(acpi_handle handle)
 {
 	struct acpi_object_list *obj_list;
@@ -132,6 +134,9 @@
 	if (arch_has_acpi_pdc() == false)
 		return;
 
+	if (early_pdc_done)
+		return;
+
 	obj_list = acpi_processor_alloc_pdc();
 	if (!obj_list)
 		return;
@@ -151,6 +156,13 @@
 	return 0;
 }
 
+static int param_early_pdc_optin(char *s)
+{
+	early_pdc_optin = 1;
+	return 1;
+}
+__setup("acpi_early_pdc_eval", param_early_pdc_optin);
+
 static struct dmi_system_id __cpuinitdata early_pdc_optin_table[] = {
 	{
 	set_early_pdc_optin, "HP Envy", {
@@ -192,4 +204,6 @@
 	acpi_walk_namespace(ACPI_TYPE_PROCESSOR, ACPI_ROOT_OBJECT,
 			    ACPI_UINT32_MAX,
 			    early_init_pdc, NULL, NULL, NULL);
+
+	early_pdc_done = 1;
 }
diff --git a/drivers/acpi/scan.c b/drivers/acpi/scan.c
index ff9f622..3e00967 100644
--- a/drivers/acpi/scan.c
+++ b/drivers/acpi/scan.c
@@ -1336,9 +1336,25 @@
 
 	if (child)
 		*child = device;
-	return 0;
+
+	if (device)
+		return 0;
+	else
+		return -ENODEV;
 }
 
+/*
+ * acpi_bus_add and acpi_bus_start
+ *
+ * scan a given ACPI tree and (probably recently hot-plugged)
+ * create and add or starts found devices.
+ *
+ * If no devices were found -ENODEV is returned which does not
+ * mean that this is a real error, there just have been no suitable
+ * ACPI objects in the table trunk from which the kernel could create
+ * a device and add/start an appropriate driver.
+ */
+
 int
 acpi_bus_add(struct acpi_device **child,
 	     struct acpi_device *parent, acpi_handle handle, int type)
@@ -1348,8 +1364,7 @@
 	memset(&ops, 0, sizeof(ops));
 	ops.acpi_op_add = 1;
 
-	acpi_bus_scan(handle, &ops, child);
-	return 0;
+	return acpi_bus_scan(handle, &ops, child);
 }
 EXPORT_SYMBOL(acpi_bus_add);
 
@@ -1357,11 +1372,13 @@
 {
 	struct acpi_bus_ops ops;
 
+	if (!device)
+		return -EINVAL;
+
 	memset(&ops, 0, sizeof(ops));
 	ops.acpi_op_start = 1;
 
-	acpi_bus_scan(device->handle, &ops, NULL);
-	return 0;
+	return acpi_bus_scan(device->handle, &ops, NULL);
 }
 EXPORT_SYMBOL(acpi_bus_start);
 
diff --git a/drivers/acpi/tables.c b/drivers/acpi/tables.c
index f336bca7..8a0ed28 100644
--- a/drivers/acpi/tables.c
+++ b/drivers/acpi/tables.c
@@ -213,7 +213,7 @@
 	unsigned long table_end;
 	acpi_size tbl_size;
 
-	if (acpi_disabled)
+	if (acpi_disabled && !acpi_ht)
 		return -ENODEV;
 
 	if (!handler)
@@ -280,7 +280,7 @@
 	struct acpi_table_header *table = NULL;
 	acpi_size tbl_size;
 
-	if (acpi_disabled)
+	if (acpi_disabled && !acpi_ht)
 		return -ENODEV;
 
 	if (!handler)
diff --git a/drivers/base/class.c b/drivers/base/class.c
index 161746d..6e2c3b0 100644
--- a/drivers/base/class.c
+++ b/drivers/base/class.c
@@ -59,6 +59,8 @@
 	else
 		pr_debug("class '%s' does not have a release() function, "
 			 "be careful\n", class->name);
+
+	kfree(cp);
 }
 
 static struct sysfs_ops class_sysfs_ops = {
diff --git a/drivers/firewire/net.c b/drivers/firewire/net.c
index cbaf420..2d3dc7d 100644
--- a/drivers/firewire/net.c
+++ b/drivers/firewire/net.c
@@ -893,20 +893,31 @@
 
 static struct kmem_cache *fwnet_packet_task_cache;
 
+static void fwnet_free_ptask(struct fwnet_packet_task *ptask)
+{
+	dev_kfree_skb_any(ptask->skb);
+	kmem_cache_free(fwnet_packet_task_cache, ptask);
+}
+
 static int fwnet_send_packet(struct fwnet_packet_task *ptask);
 
 static void fwnet_transmit_packet_done(struct fwnet_packet_task *ptask)
 {
-	struct fwnet_device *dev;
+	struct fwnet_device *dev = ptask->dev;
 	unsigned long flags;
-
-	dev = ptask->dev;
+	bool free;
 
 	spin_lock_irqsave(&dev->lock, flags);
-	list_del(&ptask->pt_link);
-	spin_unlock_irqrestore(&dev->lock, flags);
 
-	ptask->outstanding_pkts--; /* FIXME access inside lock */
+	ptask->outstanding_pkts--;
+
+	/* Check whether we or the networking TX soft-IRQ is last user. */
+	free = (ptask->outstanding_pkts == 0 && !list_empty(&ptask->pt_link));
+
+	if (ptask->outstanding_pkts == 0)
+		list_del(&ptask->pt_link);
+
+	spin_unlock_irqrestore(&dev->lock, flags);
 
 	if (ptask->outstanding_pkts > 0) {
 		u16 dg_size;
@@ -951,10 +962,10 @@
 			ptask->max_payload = skb->len + RFC2374_FRAG_HDR_SIZE;
 		}
 		fwnet_send_packet(ptask);
-	} else {
-		dev_kfree_skb_any(ptask->skb);
-		kmem_cache_free(fwnet_packet_task_cache, ptask);
 	}
+
+	if (free)
+		fwnet_free_ptask(ptask);
 }
 
 static void fwnet_write_complete(struct fw_card *card, int rcode,
@@ -977,6 +988,7 @@
 	unsigned tx_len;
 	struct rfc2734_header *bufhdr;
 	unsigned long flags;
+	bool free;
 
 	dev = ptask->dev;
 	tx_len = ptask->max_payload;
@@ -1022,12 +1034,16 @@
 				generation, SCODE_100, 0ULL, ptask->skb->data,
 				tx_len + 8, fwnet_write_complete, ptask);
 
-		/* FIXME race? */
 		spin_lock_irqsave(&dev->lock, flags);
-		list_add_tail(&ptask->pt_link, &dev->broadcasted_list);
+
+		/* If the AT tasklet already ran, we may be last user. */
+		free = (ptask->outstanding_pkts == 0 && list_empty(&ptask->pt_link));
+		if (!free)
+			list_add_tail(&ptask->pt_link, &dev->broadcasted_list);
+
 		spin_unlock_irqrestore(&dev->lock, flags);
 
-		return 0;
+		goto out;
 	}
 
 	fw_send_request(dev->card, &ptask->transaction,
@@ -1035,12 +1051,19 @@
 			ptask->generation, ptask->speed, ptask->fifo_addr,
 			ptask->skb->data, tx_len, fwnet_write_complete, ptask);
 
-	/* FIXME race? */
 	spin_lock_irqsave(&dev->lock, flags);
-	list_add_tail(&ptask->pt_link, &dev->sent_list);
+
+	/* If the AT tasklet already ran, we may be last user. */
+	free = (ptask->outstanding_pkts == 0 && list_empty(&ptask->pt_link));
+	if (!free)
+		list_add_tail(&ptask->pt_link, &dev->sent_list);
+
 	spin_unlock_irqrestore(&dev->lock, flags);
 
 	dev->netdev->trans_start = jiffies;
+ out:
+	if (free)
+		fwnet_free_ptask(ptask);
 
 	return 0;
 }
@@ -1298,6 +1321,8 @@
 	spin_unlock_irqrestore(&dev->lock, flags);
 
 	ptask->max_payload = max_payload;
+	INIT_LIST_HEAD(&ptask->pt_link);
+
 	fwnet_send_packet(ptask);
 
 	return NETDEV_TX_OK;
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 2345d41..43ebf33 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2101,11 +2101,6 @@
 	u32 payload_index, payload_end_index, next_page_index;
 	int page, end_page, i, length, offset;
 
-	/*
-	 * FIXME: Cycle lost behavior should be configurable: lose
-	 * packet, retransmit or terminate..
-	 */
-
 	p = packet;
 	payload_index = payload;
 
@@ -2135,6 +2130,14 @@
 	if (!p->skip) {
 		d[0].control   = cpu_to_le16(DESCRIPTOR_KEY_IMMEDIATE);
 		d[0].req_count = cpu_to_le16(8);
+		/*
+		 * Link the skip address to this descriptor itself.  This causes
+		 * a context to skip a cycle whenever lost cycles or FIFO
+		 * overruns occur, without dropping the data.  The application
+		 * should then decide whether this is an error condition or not.
+		 * FIXME:  Make the context's cycle-lost behaviour configurable?
+		 */
+		d[0].branch_address = cpu_to_le32(d_bus | z);
 
 		header = (__le32 *) &d[1];
 		header[0] = cpu_to_le32(IT_HEADER_SY(p->sy) |
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c
index cdec329..2ac074c8 100644
--- a/drivers/gpu/drm/drm_mm.c
+++ b/drivers/gpu/drm/drm_mm.c
@@ -405,7 +405,8 @@
 				wasted += alignment - tmp;
 		}
 
-		if (entry->size >= size + wasted) {
+		if (entry->size >= size + wasted &&
+		    (entry->start + wasted + size) <= end) {
 			if (!best_match)
 				return entry;
 			if (entry->size < best_size) {
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index b1d0acb..c2e8a45 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -636,6 +636,13 @@
 			DMI_MATCH(DMI_PRODUCT_NAME, "PC-81005"),
 		},
 	},
+	{
+		.ident = "Clevo M5x0N",
+		.matches = {
+			DMI_MATCH(DMI_SYS_VENDOR, "CLEVO Co."),
+			DMI_MATCH(DMI_BOARD_NAME, "M5x0N"),
+		},
+	},
 	{ }
 };
 
diff --git a/drivers/gpu/drm/radeon/atom.c b/drivers/gpu/drm/radeon/atom.c
index e3b4456..2a3df55 100644
--- a/drivers/gpu/drm/radeon/atom.c
+++ b/drivers/gpu/drm/radeon/atom.c
@@ -24,6 +24,7 @@
 
 #include <linux/module.h>
 #include <linux/sched.h>
+#include <asm/unaligned.h>
 
 #define ATOM_DEBUG
 
@@ -212,7 +213,9 @@
 	case ATOM_ARG_PS:
 		idx = U8(*ptr);
 		(*ptr)++;
-		val = le32_to_cpu(ctx->ps[idx]);
+		/* get_unaligned_le32 avoids unaligned accesses from atombios
+		 * tables, noticed on a DEC Alpha. */
+		val = get_unaligned_le32((u32 *)&ctx->ps[idx]);
 		if (print)
 			DEBUG("PS[0x%02X,0x%04X]", idx, val);
 		break;
diff --git a/drivers/gpu/drm/radeon/atombios_dp.c b/drivers/gpu/drm/radeon/atombios_dp.c
index b32eeea..99915a6 100644
--- a/drivers/gpu/drm/radeon/atombios_dp.c
+++ b/drivers/gpu/drm/radeon/atombios_dp.c
@@ -350,7 +350,7 @@
 	atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 
 	if (args.ucReplyStatus && !args.ucDataOutLen) {
-		if (args.ucReplyStatus == 0x20 && retry_count < 10)
+		if (args.ucReplyStatus == 0x20 && retry_count++ < 10)
 			goto retry;
 		DRM_DEBUG("failed to get auxch %02x%02x %02x %02x 0x%02x %02x after %d retries\n",
 			  req_bytes[1], req_bytes[0], req_bytes[2], req_bytes[3],
diff --git a/drivers/gpu/drm/ttm/ttm_bo.c b/drivers/gpu/drm/ttm/ttm_bo.c
index 1a3e909..c7320ce 100644
--- a/drivers/gpu/drm/ttm/ttm_bo.c
+++ b/drivers/gpu/drm/ttm/ttm_bo.c
@@ -1020,6 +1020,12 @@
 			     struct ttm_mem_reg *mem)
 {
 	int i;
+	struct drm_mm_node *node = mem->mm_node;
+
+	if (node && placement->lpfn != 0 &&
+	    (node->start < placement->fpfn ||
+	     node->start + node->size > placement->lpfn))
+		return -1;
 
 	for (i = 0; i < placement->num_placement; i++) {
 		if ((placement->placement[i] & mem->placement &
diff --git a/drivers/md/dm-log-userspace-transfer.c b/drivers/md/dm-log-userspace-transfer.c
index 54abf9e..f1c8cae 100644
--- a/drivers/md/dm-log-userspace-transfer.c
+++ b/drivers/md/dm-log-userspace-transfer.c
@@ -172,11 +172,15 @@
 {
 	int r = 0;
 	size_t dummy = 0;
-	int overhead_size =
-		sizeof(struct dm_ulog_request *) + sizeof(struct cn_msg);
+	int overhead_size = sizeof(struct dm_ulog_request) + sizeof(struct cn_msg);
 	struct dm_ulog_request *tfr = prealloced_ulog_tfr;
 	struct receiving_pkg pkg;
 
+	/*
+	 * Given the space needed to hold the 'struct cn_msg' and
+	 * 'struct dm_ulog_request' - do we have enough payload
+	 * space remaining?
+	 */
 	if (data_size > (DM_ULOG_PREALLOCED_SIZE - overhead_size)) {
 		DMINFO("Size of tfr exceeds preallocated size");
 		return -EINVAL;
@@ -191,7 +195,7 @@
 	 */
 	mutex_lock(&dm_ulog_lock);
 
-	memset(tfr, 0, DM_ULOG_PREALLOCED_SIZE - overhead_size);
+	memset(tfr, 0, DM_ULOG_PREALLOCED_SIZE - sizeof(struct cn_msg));
 	memcpy(tfr->uuid, uuid, DM_UUID_LEN);
 	tfr->luid = luid;
 	tfr->seq = dm_ulog_seq++;
diff --git a/drivers/md/dm-raid1.c b/drivers/md/dm-raid1.c
index ad779bd..6c1046d 100644
--- a/drivers/md/dm-raid1.c
+++ b/drivers/md/dm-raid1.c
@@ -724,7 +724,7 @@
 	/*
 	 * Dispatch io.
 	 */
-	if (unlikely(ms->log_failure)) {
+	if (unlikely(ms->log_failure) && errors_handled(ms)) {
 		spin_lock_irq(&ms->lock);
 		bio_list_merge(&ms->failures, &sync);
 		spin_unlock_irq(&ms->lock);
diff --git a/drivers/md/dm-region-hash.c b/drivers/md/dm-region-hash.c
index 5f19ceb..168bd38 100644
--- a/drivers/md/dm-region-hash.c
+++ b/drivers/md/dm-region-hash.c
@@ -660,10 +660,9 @@
 	spin_lock_irq(&rh->region_lock);
 	if (success)
 		list_add(&reg->list, &reg->rh->recovered_regions);
-	else {
-		reg->state = DM_RH_NOSYNC;
+	else
 		list_add(&reg->list, &reg->rh->failed_recovered_regions);
-	}
+
 	spin_unlock_irq(&rh->region_lock);
 
 	rh->wakeup_workers(rh->context);
diff --git a/drivers/md/dm-snap-persistent.c b/drivers/md/dm-snap-persistent.c
index 7d08879..c097d8a 100644
--- a/drivers/md/dm-snap-persistent.c
+++ b/drivers/md/dm-snap-persistent.c
@@ -254,7 +254,7 @@
 	 * Issue the synchronous I/O from a different thread
 	 * to avoid generic_make_request recursion.
 	 */
-	INIT_WORK(&req.work, do_metadata);
+	INIT_WORK_ON_STACK(&req.work, do_metadata);
 	queue_work(ps->metadata_wq, &req.work);
 	flush_workqueue(ps->metadata_wq);
 
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c
index e0efc1a..bd58703 100644
--- a/drivers/md/dm-stripe.c
+++ b/drivers/md/dm-stripe.c
@@ -110,7 +110,7 @@
 	}
 
 	stripes = simple_strtoul(argv[0], &end, 10);
-	if (*end) {
+	if (!stripes || *end) {
 		ti->error = "Invalid stripe count";
 		return -EINVAL;
 	}
diff --git a/drivers/md/dm-sysfs.c b/drivers/md/dm-sysfs.c
index f53392d..f91b409 100644
--- a/drivers/md/dm-sysfs.c
+++ b/drivers/md/dm-sysfs.c
@@ -80,20 +80,12 @@
 };
 
 /*
- * The sysfs structure is embedded in md struct, nothing to do here
- */
-static void dm_sysfs_release(struct kobject *kobj)
-{
-}
-
-/*
  * dm kobject is embedded in mapped_device structure
  * no need to define release function here
  */
 static struct kobj_type dm_ktype = {
 	.sysfs_ops	= &dm_sysfs_ops,
 	.default_attrs	= dm_attrs,
-	.release	= dm_sysfs_release
 };
 
 /*
diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 3167480..aa4e2aa 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -1595,10 +1595,15 @@
 	return BLKPREP_OK;
 }
 
-static void map_request(struct dm_target *ti, struct request *clone,
-			struct mapped_device *md)
+/*
+ * Returns:
+ * 0  : the request has been processed (not requeued)
+ * !0 : the request has been requeued
+ */
+static int map_request(struct dm_target *ti, struct request *clone,
+		       struct mapped_device *md)
 {
-	int r;
+	int r, requeued = 0;
 	struct dm_rq_target_io *tio = clone->end_io_data;
 
 	/*
@@ -1625,6 +1630,7 @@
 	case DM_MAPIO_REQUEUE:
 		/* The target wants to requeue the I/O */
 		dm_requeue_unmapped_request(clone);
+		requeued = 1;
 		break;
 	default:
 		if (r > 0) {
@@ -1636,6 +1642,8 @@
 		dm_kill_unmapped_request(clone, r);
 		break;
 	}
+
+	return requeued;
 }
 
 /*
@@ -1677,12 +1685,17 @@
 		atomic_inc(&md->pending[rq_data_dir(clone)]);
 
 		spin_unlock(q->queue_lock);
-		map_request(ti, clone, md);
+		if (map_request(ti, clone, md))
+			goto requeued;
+
 		spin_lock_irq(q->queue_lock);
 	}
 
 	goto out;
 
+requeued:
+	spin_lock_irq(q->queue_lock);
+
 plug_and_out:
 	if (!elv_queue_empty(q))
 		/* Some requests still remain, retry later */
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index fee6eee..006cb2ef 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -296,6 +296,7 @@
 	req_hdr->opcode = opcode;
 	req_hdr->subsystem = subsystem;
 	req_hdr->request_length = cpu_to_le32(cmd_len - sizeof(*req_hdr));
+	req_hdr->version = 0;
 }
 
 static void be_cmd_page_addrs_prepare(struct phys_addr *pages, u32 max_pages,
diff --git a/drivers/net/ixgbe/ixgbe_82598.c b/drivers/net/ixgbe/ixgbe_82598.c
index 3103f41..35a06b4758 100644
--- a/drivers/net/ixgbe/ixgbe_82598.c
+++ b/drivers/net/ixgbe/ixgbe_82598.c
@@ -357,12 +357,34 @@
 	u32 fctrl_reg;
 	u32 rmcs_reg;
 	u32 reg;
+	u32 link_speed = 0;
+	bool link_up;
 
 #ifdef CONFIG_DCB
 	if (hw->fc.requested_mode == ixgbe_fc_pfc)
 		goto out;
 
 #endif /* CONFIG_DCB */
+	/*
+	 * On 82598 having Rx FC on causes resets while doing 1G
+	 * so if it's on turn it off once we know link_speed. For
+	 * more details see 82598 Specification update.
+	 */
+	hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
+	if (link_up && link_speed == IXGBE_LINK_SPEED_1GB_FULL) {
+		switch (hw->fc.requested_mode) {
+		case ixgbe_fc_full:
+			hw->fc.requested_mode = ixgbe_fc_tx_pause;
+			break;
+		case ixgbe_fc_rx_pause:
+			hw->fc.requested_mode = ixgbe_fc_none;
+			break;
+		default:
+			/* no change */
+			break;
+		}
+	}
+
 	/* Negotiate the fc mode to use */
 	ret_val = ixgbe_fc_autoneg(hw);
 	if (ret_val)
diff --git a/drivers/net/ixgbe/ixgbe_main.c b/drivers/net/ixgbe/ixgbe_main.c
index 7b7c848..951b73c 100644
--- a/drivers/net/ixgbe/ixgbe_main.c
+++ b/drivers/net/ixgbe/ixgbe_main.c
@@ -5763,6 +5763,10 @@
 	if (err)
 		goto err_sw_init;
 
+	/* Make it possible the adapter to be woken up via WOL */
+	if (adapter->hw.mac.type == ixgbe_mac_82599EB)
+		IXGBE_WRITE_REG(&adapter->hw, IXGBE_WUS, ~0);
+
 	/*
 	 * If there is a fan on this device and it has failed log the
 	 * failure.
diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c
index 103e8b0..46997e1 100644
--- a/drivers/net/sfc/efx.c
+++ b/drivers/net/sfc/efx.c
@@ -2284,6 +2284,7 @@
  fail2:
 	efx_fini_struct(efx);
  fail1:
+	WARN_ON(rc > 0);
 	EFX_LOG(efx, "initialisation failed. rc=%d\n", rc);
 	free_netdev(net_dev);
 	return rc;
diff --git a/drivers/net/sfc/qt202x_phy.c b/drivers/net/sfc/qt202x_phy.c
index e0d13a4..67eec7a 100644
--- a/drivers/net/sfc/qt202x_phy.c
+++ b/drivers/net/sfc/qt202x_phy.c
@@ -320,7 +320,7 @@
 
 	falcon_board(efx)->type->init_phy(efx);
 
-	return rc;
+	return 0;
 
  fail:
 	EFX_ERR(efx, "PHY reset timed out\n");
diff --git a/drivers/net/via-velocity.c b/drivers/net/via-velocity.c
index c93f58f..317aa34 100644
--- a/drivers/net/via-velocity.c
+++ b/drivers/net/via-velocity.c
@@ -1877,13 +1877,12 @@
 /**
  *	tx_srv		-	transmit interrupt service
  *	@vptr; Velocity
- *	@status:
  *
  *	Scan the queues looking for transmitted packets that
  *	we can complete and clean up. Update any statistics as
  *	necessary/
  */
-static int velocity_tx_srv(struct velocity_info *vptr, u32 status)
+static int velocity_tx_srv(struct velocity_info *vptr)
 {
 	struct tx_desc *td;
 	int qnum;
@@ -2090,14 +2089,12 @@
 /**
  *	velocity_rx_srv		-	service RX interrupt
  *	@vptr: velocity
- *	@status: adapter status (unused)
  *
  *	Walk the receive ring of the velocity adapter and remove
  *	any received packets from the receive queue. Hand the ring
  *	slots back to the adapter for reuse.
  */
-static int velocity_rx_srv(struct velocity_info *vptr, int status,
-		int budget_left)
+static int velocity_rx_srv(struct velocity_info *vptr, int budget_left)
 {
 	struct net_device_stats *stats = &vptr->dev->stats;
 	int rd_curr = vptr->rx.curr;
@@ -2151,32 +2148,24 @@
 	struct velocity_info *vptr = container_of(napi,
 			struct velocity_info, napi);
 	unsigned int rx_done;
-	u32 isr_status;
+	unsigned long flags;
 
-	spin_lock(&vptr->lock);
-	isr_status = mac_read_isr(vptr->mac_regs);
-
-	/* Ack the interrupt */
-	mac_write_isr(vptr->mac_regs, isr_status);
-	if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
-		velocity_error(vptr, isr_status);
-
+	spin_lock_irqsave(&vptr->lock, flags);
 	/*
 	 * Do rx and tx twice for performance (taken from the VIA
 	 * out-of-tree driver).
 	 */
-	rx_done = velocity_rx_srv(vptr, isr_status, budget / 2);
-	velocity_tx_srv(vptr, isr_status);
-	rx_done += velocity_rx_srv(vptr, isr_status, budget - rx_done);
-	velocity_tx_srv(vptr, isr_status);
-
-	spin_unlock(&vptr->lock);
+	rx_done = velocity_rx_srv(vptr, budget / 2);
+	velocity_tx_srv(vptr);
+	rx_done += velocity_rx_srv(vptr, budget - rx_done);
+	velocity_tx_srv(vptr);
 
 	/* If budget not fully consumed, exit the polling mode */
 	if (rx_done < budget) {
 		napi_complete(napi);
 		mac_enable_int(vptr->mac_regs);
 	}
+	spin_unlock_irqrestore(&vptr->lock, flags);
 
 	return rx_done;
 }
@@ -2206,10 +2195,17 @@
 		return IRQ_NONE;
 	}
 
+	/* Ack the interrupt */
+	mac_write_isr(vptr->mac_regs, isr_status);
+
 	if (likely(napi_schedule_prep(&vptr->napi))) {
 		mac_disable_int(vptr->mac_regs);
 		__napi_schedule(&vptr->napi);
 	}
+
+	if (isr_status & (~(ISR_PRXI | ISR_PPRXI | ISR_PTXI | ISR_PPTXI)))
+		velocity_error(vptr, isr_status);
+
 	spin_unlock(&vptr->lock);
 
 	return IRQ_HANDLED;
@@ -3100,7 +3096,7 @@
 	velocity_init_registers(vptr, VELOCITY_INIT_WOL);
 	mac_disable_int(vptr->mac_regs);
 
-	velocity_tx_srv(vptr, 0);
+	velocity_tx_srv(vptr);
 
 	for (i = 0; i < vptr->tx.numq; i++) {
 		if (vptr->tx.used[i])
@@ -3344,6 +3340,7 @@
 {
 	struct velocity_info *vptr = netdev_priv(dev);
 	int max_us = 0x3f * 64;
+	unsigned long flags;
 
 	/* 6 bits of  */
 	if (ecmd->tx_coalesce_usecs > max_us)
@@ -3365,6 +3362,7 @@
 			ecmd->tx_coalesce_usecs);
 
 	/* Setup the interrupt suppression and queue timers */
+	spin_lock_irqsave(&vptr->lock, flags);
 	mac_disable_int(vptr->mac_regs);
 	setup_adaptive_interrupts(vptr);
 	setup_queue_timers(vptr);
@@ -3372,6 +3370,7 @@
 	mac_write_int_mask(vptr->int_mask, vptr->mac_regs);
 	mac_clear_isr(vptr->mac_regs);
 	mac_enable_int(vptr->mac_regs);
+	spin_unlock_irqrestore(&vptr->lock, flags);
 
 	return 0;
 }
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index fa12b90..29bf336 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1615,7 +1615,7 @@
 		bf->bf_frmlen -= padsize;
 	}
 
-	if (conf_is_ht(&hw->conf) && !is_pae(skb))
+	if (conf_is_ht(&hw->conf))
 		bf->bf_state.bf_type |= BUF_HT;
 
 	bf->bf_flags = setup_tx_flags(sc, skb, txctl->txq);
@@ -1701,7 +1701,7 @@
 			goto tx_done;
 		}
 
-		if (tx_info->flags & IEEE80211_TX_CTL_AMPDU) {
+		if ((tx_info->flags & IEEE80211_TX_CTL_AMPDU) && !is_pae(skb)) {
 			/*
 			 * Try aggregation if it's a unicast data frame
 			 * and the destination is HT capable.
diff --git a/drivers/net/wireless/b43/b43.h b/drivers/net/wireless/b43/b43.h
index fe3bf94..c484cc2 100644
--- a/drivers/net/wireless/b43/b43.h
+++ b/drivers/net/wireless/b43/b43.h
@@ -115,6 +115,7 @@
 #define B43_MMIO_TSF_2			0x636	/* core rev < 3 only */
 #define B43_MMIO_TSF_3			0x638	/* core rev < 3 only */
 #define B43_MMIO_RNG			0x65A
+#define B43_MMIO_IFSSLOT		0x684	/* Interframe slot time */
 #define B43_MMIO_IFSCTL			0x688 /* Interframe space control */
 #define  B43_MMIO_IFSCTL_USE_EDCF	0x0004
 #define B43_MMIO_POWERUP_DELAY		0x6A8
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index 4c41cfe..490fb45d 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -628,10 +628,17 @@
 static void b43_set_slot_time(struct b43_wldev *dev, u16 slot_time)
 {
 	/* slot_time is in usec. */
-	if (dev->phy.type != B43_PHYTYPE_G)
+	/* This test used to exit for all but a G PHY. */
+	if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
 		return;
-	b43_write16(dev, 0x684, 510 + slot_time);
-	b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time);
+	b43_write16(dev, B43_MMIO_IFSSLOT, 510 + slot_time);
+	/* Shared memory location 0x0010 is the slot time and should be
+	 * set to slot_time; however, this register is initially 0 and changing
+	 * the value adversely affects the transmit rate for BCM4311
+	 * devices. Until this behavior is unterstood, delete this step
+	 *
+	 * b43_shm_write16(dev, B43_SHM_SHARED, 0x0010, slot_time);
+	 */
 }
 
 static void b43_short_slot_timing_enable(struct b43_wldev *dev)
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 5461f10..d10bea6 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -2744,6 +2744,7 @@
 		if ((le16_to_cpu(priv->staging_rxon.channel) != ch))
 			priv->staging_rxon.flags = 0;
 
+		iwl_set_rxon_ht(priv, ht_conf);
 		iwl_set_rxon_channel(priv, conf->channel);
 
 		iwl_set_flags_for_band(priv, conf->channel->band);
diff --git a/drivers/net/wireless/iwlwifi/iwl-rx.c b/drivers/net/wireless/iwlwifi/iwl-rx.c
index 6f36b6e..2dbce85 100644
--- a/drivers/net/wireless/iwlwifi/iwl-rx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-rx.c
@@ -928,7 +928,10 @@
 	if (ieee80211_is_mgmt(fc) ||
 	    ieee80211_has_protected(fc) ||
 	    ieee80211_has_morefrags(fc) ||
-	    le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG)
+	    le16_to_cpu(hdr->seq_ctrl) & IEEE80211_SCTL_FRAG ||
+	    (ieee80211_is_data_qos(fc) &&
+	     *ieee80211_get_qos_ctl(hdr) &
+	     IEEE80211_QOS_CONTROL_A_MSDU_PRESENT))
 		ret = skb_linearize(skb);
 	else
 		ret = __pskb_pull_tail(skb, min_t(u16, IWL_LINK_HDR_MAX, len)) ?
diff --git a/drivers/net/wireless/iwmc3200wifi/rx.c b/drivers/net/wireless/iwmc3200wifi/rx.c
index 6d6ed74..f727b4a 100644
--- a/drivers/net/wireless/iwmc3200wifi/rx.c
+++ b/drivers/net/wireless/iwmc3200wifi/rx.c
@@ -794,7 +794,7 @@
 	}
 
 	bss->bss = kzalloc(bss_len, GFP_KERNEL);
-	if (!bss) {
+	if (!bss->bss) {
 		kfree(bss);
 		IWM_ERR(iwm, "Couldn't allocate bss\n");
 		return -ENOMEM;
diff --git a/drivers/net/wireless/rtl818x/rtl8187_dev.c b/drivers/net/wireless/rtl818x/rtl8187_dev.c
index bc5726d..7ba3052 100644
--- a/drivers/net/wireless/rtl818x/rtl8187_dev.c
+++ b/drivers/net/wireless/rtl818x/rtl8187_dev.c
@@ -65,6 +65,7 @@
 	/* Sitecom */
 	{USB_DEVICE(0x0df6, 0x000d), .driver_info = DEVICE_RTL8187},
 	{USB_DEVICE(0x0df6, 0x0028), .driver_info = DEVICE_RTL8187B},
+	{USB_DEVICE(0x0df6, 0x0029), .driver_info = DEVICE_RTL8187B},
 	/* Sphairon Access Systems GmbH */
 	{USB_DEVICE(0x114B, 0x0150), .driver_info = DEVICE_RTL8187},
 	/* Dick Smith Electronics */
diff --git a/drivers/pci/hotplug/acpiphp_glue.c b/drivers/pci/hotplug/acpiphp_glue.c
index 8e952fd..cb2fd01 100644
--- a/drivers/pci/hotplug/acpiphp_glue.c
+++ b/drivers/pci/hotplug/acpiphp_glue.c
@@ -720,12 +720,6 @@
 			-ret_val);
 		goto acpiphp_bus_add_out;
 	}
-	/*
-	 * try to start anyway.  We could have failed to add
-	 * simply because this bus had previously been added
-	 * on another add.  Don't bother with the return value
-	 * we just keep going.
-	 */
 	ret_val = acpi_bus_start(device);
 
 acpiphp_bus_add_out:
diff --git a/drivers/serial/8250.c b/drivers/serial/8250.c
index c3e37c8e..e9b15c3 100644
--- a/drivers/serial/8250.c
+++ b/drivers/serial/8250.c
@@ -83,6 +83,9 @@
 
 #define PASS_LIMIT	256
 
+#define BOTH_EMPTY 	(UART_LSR_TEMT | UART_LSR_THRE)
+
+
 /*
  * We default to IRQ0 for the "no irq" hack.   Some
  * machine types want others as well - they're free
@@ -1792,7 +1795,7 @@
 	up->lsr_saved_flags |= lsr & LSR_SAVE_FLAGS;
 	spin_unlock_irqrestore(&up->port.lock, flags);
 
-	return lsr & UART_LSR_TEMT ? TIOCSER_TEMT : 0;
+	return (lsr & BOTH_EMPTY) == BOTH_EMPTY ? TIOCSER_TEMT : 0;
 }
 
 static unsigned int serial8250_get_mctrl(struct uart_port *port)
@@ -1850,8 +1853,6 @@
 	spin_unlock_irqrestore(&up->port.lock, flags);
 }
 
-#define BOTH_EMPTY (UART_LSR_TEMT | UART_LSR_THRE)
-
 /*
  *	Wait for transmitter & holding register to empty
  */
diff --git a/drivers/ssb/main.c b/drivers/ssb/main.c
index 5681ebe..03dfd27 100644
--- a/drivers/ssb/main.c
+++ b/drivers/ssb/main.c
@@ -494,8 +494,7 @@
 #endif
 			break;
 		case SSB_BUSTYPE_SDIO:
-#ifdef CONFIG_SSB_SDIO
-			sdev->irq = bus->host_sdio->dev.irq;
+#ifdef CONFIG_SSB_SDIOHOST
 			dev->parent = &bus->host_sdio->dev;
 #endif
 			break;
diff --git a/drivers/usb/core/devio.c b/drivers/usb/core/devio.c
index 6e8bcdf..a678186 100644
--- a/drivers/usb/core/devio.c
+++ b/drivers/usb/core/devio.c
@@ -1312,9 +1312,9 @@
 	void __user *addr = as->userurb;
 	unsigned int i;
 
-	if (as->userbuffer)
+	if (as->userbuffer && urb->actual_length)
 		if (copy_to_user(as->userbuffer, urb->transfer_buffer,
-				 urb->transfer_buffer_length))
+				 urb->actual_length))
 			goto err_out;
 	if (put_user(as->status, &userurb->status))
 		goto err_out;
@@ -1334,14 +1334,11 @@
 		}
 	}
 
-	free_async(as);
-
 	if (put_user(addr, (void __user * __user *)arg))
 		return -EFAULT;
 	return 0;
 
 err_out:
-	free_async(as);
 	return -EFAULT;
 }
 
@@ -1371,8 +1368,11 @@
 static int proc_reapurb(struct dev_state *ps, void __user *arg)
 {
 	struct async *as = reap_as(ps);
-	if (as)
-		return processcompl(as, (void __user * __user *)arg);
+	if (as) {
+		int retval = processcompl(as, (void __user * __user *)arg);
+		free_async(as);
+		return retval;
+	}
 	if (signal_pending(current))
 		return -EINTR;
 	return -EIO;
@@ -1380,11 +1380,16 @@
 
 static int proc_reapurbnonblock(struct dev_state *ps, void __user *arg)
 {
+	int retval;
 	struct async *as;
 
-	if (!(as = async_getcompleted(ps)))
-		return -EAGAIN;
-	return processcompl(as, (void __user * __user *)arg);
+	as = async_getcompleted(ps);
+	retval = -EAGAIN;
+	if (as) {
+		retval = processcompl(as, (void __user * __user *)arg);
+		free_async(as);
+	}
+	return retval;
 }
 
 #ifdef CONFIG_COMPAT
@@ -1475,9 +1480,9 @@
 	void __user *addr = as->userurb;
 	unsigned int i;
 
-	if (as->userbuffer)
+	if (as->userbuffer && urb->actual_length)
 		if (copy_to_user(as->userbuffer, urb->transfer_buffer,
-				 urb->transfer_buffer_length))
+				 urb->actual_length))
 			return -EFAULT;
 	if (put_user(as->status, &userurb->status))
 		return -EFAULT;
@@ -1497,7 +1502,6 @@
 		}
 	}
 
-	free_async(as);
 	if (put_user(ptr_to_compat(addr), (u32 __user *)arg))
 		return -EFAULT;
 	return 0;
@@ -1506,8 +1510,11 @@
 static int proc_reapurb_compat(struct dev_state *ps, void __user *arg)
 {
 	struct async *as = reap_as(ps);
-	if (as)
-		return processcompl_compat(as, (void __user * __user *)arg);
+	if (as) {
+		int retval = processcompl_compat(as, (void __user * __user *)arg);
+		free_async(as);
+		return retval;
+	}
 	if (signal_pending(current))
 		return -EINTR;
 	return -EIO;
@@ -1515,11 +1522,16 @@
 
 static int proc_reapurbnonblock_compat(struct dev_state *ps, void __user *arg)
 {
+	int retval;
 	struct async *as;
 
-	if (!(as = async_getcompleted(ps)))
-		return -EAGAIN;
-	return processcompl_compat(as, (void __user * __user *)arg);
+	retval = -EAGAIN;
+	as = async_getcompleted(ps);
+	if (as) {
+		retval = processcompl_compat(as, (void __user * __user *)arg);
+		free_async(as);
+	}
+	return retval;
 }
 
 
diff --git a/drivers/usb/gadget/f_eem.c b/drivers/usb/gadget/f_eem.c
index 0a577d5..d4f0db5 100644
--- a/drivers/usb/gadget/f_eem.c
+++ b/drivers/usb/gadget/f_eem.c
@@ -358,7 +358,7 @@
 	 * b15:		bmType (0 == data)
 	 */
 	len = skb->len;
-	put_unaligned_le16((len & 0x3FFF) | BIT(14), skb_push(skb, 2));
+	put_unaligned_le16(len & 0x3FFF, skb_push(skb, 2));
 
 	/* add a zero-length EEM packet, if needed */
 	if (padlen)
@@ -464,7 +464,6 @@
 			}
 
 			/* validate CRC */
-			crc = get_unaligned_le32(skb->data + len - ETH_FCS_LEN);
 			if (header & BIT(14)) {
 				crc = get_unaligned_le32(skb->data + len
 							- ETH_FCS_LEN);
diff --git a/drivers/usb/gadget/multi.c b/drivers/usb/gadget/multi.c
index 4295601..76496f5 100644
--- a/drivers/usb/gadget/multi.c
+++ b/drivers/usb/gadget/multi.c
@@ -29,7 +29,7 @@
 #if defined USB_ETH_RNDIS
 #  undef USB_ETH_RNDIS
 #endif
-#ifdef CONFIG_USB_ETH_RNDIS
+#ifdef CONFIG_USB_G_MULTI_RNDIS
 #  define USB_ETH_RNDIS y
 #endif
 
diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index e220fb8..8b45145 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -26,6 +26,7 @@
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/clk.h>
+#include <linux/err.h>
 
 #include <linux/usb/ch9.h>
 #include <linux/usb/gadget.h>
diff --git a/drivers/usb/gadget/s3c-hsotg.c b/drivers/usb/gadget/s3c-hsotg.c
index 4b5dbd0..5fc80a1 100644
--- a/drivers/usb/gadget/s3c-hsotg.c
+++ b/drivers/usb/gadget/s3c-hsotg.c
@@ -2582,6 +2582,7 @@
 	hsotg->gadget.dev.driver = NULL;
 	return ret;
 }
+EXPORT_SYMBOL(usb_gadget_register_driver);
 
 int usb_gadget_unregister_driver(struct usb_gadget_driver *driver)
 {
diff --git a/drivers/usb/host/ehci-hub.c b/drivers/usb/host/ehci-hub.c
index c75d927..1937267 100644
--- a/drivers/usb/host/ehci-hub.c
+++ b/drivers/usb/host/ehci-hub.c
@@ -196,7 +196,9 @@
 			if (hostpc_reg) {
 				u32	t3;
 
+				spin_unlock_irq(&ehci->lock);
 				msleep(5);/* 5ms for HCD enter low pwr mode */
+				spin_lock_irq(&ehci->lock);
 				t3 = ehci_readl(ehci, hostpc_reg);
 				ehci_writel(ehci, t3 | HOSTPC_PHCD, hostpc_reg);
 				t3 = ehci_readl(ehci, hostpc_reg);
@@ -904,17 +906,18 @@
 			if ((temp & PORT_PE) == 0
 					|| (temp & PORT_RESET) != 0)
 				goto error;
-			ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
+
 			/* After above check the port must be connected.
 			 * Set appropriate bit thus could put phy into low power
 			 * mode if we have hostpc feature
 			 */
+			temp &= ~PORT_WKCONN_E;
+			temp |= PORT_WKDISC_E | PORT_WKOC_E;
+			ehci_writel(ehci, temp | PORT_SUSPEND, status_reg);
 			if (hostpc_reg) {
-				temp &= ~PORT_WKCONN_E;
-				temp |= (PORT_WKDISC_E | PORT_WKOC_E);
-				ehci_writel(ehci, temp | PORT_SUSPEND,
-							status_reg);
+				spin_unlock_irqrestore(&ehci->lock, flags);
 				msleep(5);/* 5ms for HCD enter low pwr mode */
+				spin_lock_irqsave(&ehci->lock, flags);
 				temp1 = ehci_readl(ehci, hostpc_reg);
 				ehci_writel(ehci, temp1 | HOSTPC_PHCD,
 					hostpc_reg);
diff --git a/drivers/usb/host/fhci-tds.c b/drivers/usb/host/fhci-tds.c
index d224ab4..e123289 100644
--- a/drivers/usb/host/fhci-tds.c
+++ b/drivers/usb/host/fhci-tds.c
@@ -105,7 +105,7 @@
 		if (ep->td_base)
 			cpm_muram_free(cpm_muram_offset(ep->td_base));
 
-		if (ep->conf_frame_Q) {
+		if (kfifo_initialized(&ep->conf_frame_Q)) {
 			size = cq_howmany(&ep->conf_frame_Q);
 			for (; size; size--) {
 				struct packet *pkt = cq_get(&ep->conf_frame_Q);
@@ -115,7 +115,7 @@
 			cq_delete(&ep->conf_frame_Q);
 		}
 
-		if (ep->empty_frame_Q) {
+		if (kfifo_initialized(&ep->empty_frame_Q)) {
 			size = cq_howmany(&ep->empty_frame_Q);
 			for (; size; size--) {
 				struct packet *pkt = cq_get(&ep->empty_frame_Q);
@@ -125,7 +125,7 @@
 			cq_delete(&ep->empty_frame_Q);
 		}
 
-		if (ep->dummy_packets_Q) {
+		if (kfifo_initialized(&ep->dummy_packets_Q)) {
 			size = cq_howmany(&ep->dummy_packets_Q);
 			for (; size; size--) {
 				u8 *buff = cq_get(&ep->dummy_packets_Q);
diff --git a/drivers/usb/misc/sisusbvga/sisusb.c b/drivers/usb/misc/sisusbvga/sisusb.c
index 0025847..8b37a4b 100644
--- a/drivers/usb/misc/sisusbvga/sisusb.c
+++ b/drivers/usb/misc/sisusbvga/sisusb.c
@@ -3245,6 +3245,7 @@
 	{ USB_DEVICE(0x0711, 0x0902) },
 	{ USB_DEVICE(0x0711, 0x0903) },
 	{ USB_DEVICE(0x0711, 0x0918) },
+	{ USB_DEVICE(0x0711, 0x0920) },
 	{ USB_DEVICE(0x182d, 0x021c) },
 	{ USB_DEVICE(0x182d, 0x0269) },
 	{ }
diff --git a/drivers/usb/otg/Kconfig b/drivers/usb/otg/Kconfig
index de56b3d..3d2d3e5 100644
--- a/drivers/usb/otg/Kconfig
+++ b/drivers/usb/otg/Kconfig
@@ -44,6 +44,7 @@
 config USB_ULPI
 	bool "Generic ULPI Transceiver Driver"
 	depends on ARM
+	select USB_OTG_UTILS
 	help
 	  Enable this to support ULPI connected USB OTG transceivers which
 	  are likely found on embedded boards.
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index 216f187..7638828 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -50,7 +50,7 @@
  * Version Information
  */
 #define DRIVER_VERSION "v1.5.0"
-#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>"
+#define DRIVER_AUTHOR "Greg Kroah-Hartman <greg@kroah.com>, Bill Ryder <bryder@sgi.com>, Kuba Ober <kuba@mareimbrium.org>, Andreas Mohr"
 #define DRIVER_DESC "USB FTDI Serial Converters Driver"
 
 static int debug;
@@ -145,10 +145,15 @@
 
 
 
+/*
+ * Device ID not listed? Test via module params product/vendor or
+ * /sys/bus/usb/ftdi_sio/new_id, then send patch/report!
+ */
 static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_NXTCAM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) },
@@ -552,9 +557,16 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PEDO_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_IBS_PROD_PID) },
 	/*
-	 * Due to many user requests for multiple ELV devices we enable
-	 * them by default.
+	 * ELV devices:
 	 */
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_USR_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_MSM1_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_KL100_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS550_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EC3000_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS888_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TWS550_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FEM_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_CLI7000_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PPS7330_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFM100_PID) },
@@ -571,11 +583,17 @@
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_PCK100_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_RFP500_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FS20SIG_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UTP8_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS300PC_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS444PC_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FHZ1300PC_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_EM1010PC_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS500_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_ELV_HS485_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_UMS100_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_TFD128_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_FM3RX_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_ELV_WS777_PID) },
 	{ USB_DEVICE(FTDI_VID, LINX_SDMUSBQSS_PID) },
 	{ USB_DEVICE(FTDI_VID, LINX_MASTERDEVEL2_PID) },
 	{ USB_DEVICE(FTDI_VID, LINX_FUTURE_0_PID) },
@@ -697,6 +715,7 @@
 	{ USB_DEVICE(RATOC_VENDOR_ID, RATOC_PRODUCT_ID_USB60F) },
 	{ USB_DEVICE(FTDI_VID, FTDI_REU_TINY_PID) },
 	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_QUIDO4x4_PID) },
+	{ USB_DEVICE(PAPOUCH_VID, PAPOUCH_AD4USB_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DGQG_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_DOMINTELL_DUSB_PID) },
 	{ USB_DEVICE(ALTI2_VID, ALTI2_N3_PID) },
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index da92b49..c8951ae 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -38,6 +38,8 @@
 /* www.candapter.com Ewert Energy Systems CANdapter device */
 #define FTDI_CANDAPTER_PID 0x9F80 /* Product Id */
 
+#define FTDI_NXTCAM_PID		0xABB8 /* NXTCam for Mindstorms NXT */
+
 /* OOCDlink by Joern Kaipf <joernk@web.de>
  * (http://www.joernonline.de/dw/doku.php?id=start&idx=projects:oocdlink) */
 #define FTDI_OOCDLINK_PID	0xbaf8	/* Amontec JTAGkey */
@@ -161,22 +163,37 @@
 /*
  * ELV USB devices submitted by Christian Abt of ELV (www.elv.de).
  * All of these devices use FTDI's vendor ID (0x0403).
+ * Further IDs taken from ELV Windows .inf file.
  *
  * The previously included PID for the UO 100 module was incorrect.
  * In fact, that PID was for ELV's UR 100 USB-RS232 converter (0xFB58).
  *
  * Armin Laeuger originally sent the PID for the UM 100 module.
  */
+#define FTDI_ELV_USR_PID	0xE000	/* ELV Universal-Sound-Recorder */
+#define FTDI_ELV_MSM1_PID	0xE001	/* ELV Mini-Sound-Modul */
+#define FTDI_ELV_KL100_PID	0xE002	/* ELV Kfz-Leistungsmesser KL 100 */
+#define FTDI_ELV_WS550_PID	0xE004	/* WS 550 */
+#define FTDI_ELV_EC3000_PID	0xE006	/* ENERGY CONTROL 3000 USB */
+#define FTDI_ELV_WS888_PID	0xE008	/* WS 888 */
+#define FTDI_ELV_TWS550_PID	0xE009	/* Technoline WS 550 */
+#define FTDI_ELV_FEM_PID	0xE00A	/* Funk Energie Monitor */
 #define FTDI_ELV_FHZ1300PC_PID	0xE0E8	/* FHZ 1300 PC */
 #define FTDI_ELV_WS500_PID	0xE0E9	/* PC-Wetterstation (WS 500) */
 #define FTDI_ELV_HS485_PID	0xE0EA	/* USB to RS-485 adapter */
+#define FTDI_ELV_UMS100_PID	0xE0EB	/* ELV USB Master-Slave Schaltsteckdose UMS 100 */
+#define FTDI_ELV_TFD128_PID	0xE0EC	/* ELV Temperatur-Feuchte-Datenlogger TFD 128 */
+#define FTDI_ELV_FM3RX_PID	0xE0ED	/* ELV Messwertuebertragung FM3 RX */
+#define FTDI_ELV_WS777_PID	0xE0EE	/* Conrad WS 777 */
 #define FTDI_ELV_EM1010PC_PID	0xE0EF	/* Engery monitor EM 1010 PC */
 #define FTDI_ELV_CSI8_PID	0xE0F0	/* Computer-Schalt-Interface (CSI 8) */
 #define FTDI_ELV_EM1000DL_PID	0xE0F1	/* PC-Datenlogger fuer Energiemonitor (EM 1000 DL) */
 #define FTDI_ELV_PCK100_PID	0xE0F2	/* PC-Kabeltester (PCK 100) */
 #define FTDI_ELV_RFP500_PID	0xE0F3	/* HF-Leistungsmesser (RFP 500) */
 #define FTDI_ELV_FS20SIG_PID	0xE0F4	/* Signalgeber (FS 20 SIG) */
+#define FTDI_ELV_UTP8_PID	0xE0F5	/* ELV UTP 8 */
 #define FTDI_ELV_WS300PC_PID	0xE0F6	/* PC-Wetterstation (WS 300 PC) */
+#define FTDI_ELV_WS444PC_PID	0xE0F7	/* Conrad WS 444 PC */
 #define FTDI_PHI_FISCO_PID      0xE40B  /* PHI Fisco USB to Serial cable */
 #define FTDI_ELV_UAD8_PID	0xF068	/* USB-AD-Wandler (UAD 8) */
 #define FTDI_ELV_UDA7_PID	0xF069	/* USB-DA-Wandler (UDA 7) */
@@ -968,6 +985,7 @@
 #define PAPOUCH_VID			0x5050	/* Vendor ID */
 #define PAPOUCH_TMU_PID			0x0400	/* TMU USB Thermometer */
 #define PAPOUCH_QUIDO4x4_PID		0x0900	/* Quido 4/4 Module */
+#define PAPOUCH_AD4USB_PID		0x8003	/* AD4USB Measurement Module */
 
 /*
  * Marvell SheevaPlug
diff --git a/drivers/usb/serial/sierra.c b/drivers/usb/serial/sierra.c
index ac1b644..3eb6143 100644
--- a/drivers/usb/serial/sierra.c
+++ b/drivers/usb/serial/sierra.c
@@ -298,6 +298,7 @@
 	{ USB_DEVICE(0x1199, 0x68A3), 	/* Sierra Wireless Direct IP modems */
 	  .driver_info = (kernel_ulong_t)&direct_ip_interface_blacklist
 	},
+       { USB_DEVICE(0x413C, 0x08133) }, /* Dell Computer Corp. Wireless 5720 VZW Mobile Broadband (EVDO Rev-A) Minicard GPS Port */
 
 	{ }
 };
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index c932f90..49575fba 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -941,7 +941,7 @@
 UNUSUAL_DEV(  0x07af, 0x0004, 0x0100, 0x0133,
 		"Microtech",
 		"USB-SCSI-DB25",
-		US_SC_SCSI, US_PR_BULK, usb_stor_euscsi_init,
+		US_SC_DEVICE, US_PR_DEVICE, usb_stor_euscsi_init,
 		US_FL_SCM_MULT_TARG ), 
 
 UNUSUAL_DEV(  0x07af, 0x0005, 0x0100, 0x0100,
diff --git a/fs/btrfs/file.c b/fs/btrfs/file.c
index 9d08096..6ed434a 100644
--- a/fs/btrfs/file.c
+++ b/fs/btrfs/file.c
@@ -720,13 +720,15 @@
 					inode->i_ino, orig_offset);
 		BUG_ON(ret);
 	}
-	fi = btrfs_item_ptr(leaf, path->slots[0],
-			   struct btrfs_file_extent_item);
 	if (del_nr == 0) {
+		fi = btrfs_item_ptr(leaf, path->slots[0],
+			   struct btrfs_file_extent_item);
 		btrfs_set_file_extent_type(leaf, fi,
 					   BTRFS_FILE_EXTENT_REG);
 		btrfs_mark_buffer_dirty(leaf);
 	} else {
+		fi = btrfs_item_ptr(leaf, del_slot - 1,
+			   struct btrfs_file_extent_item);
 		btrfs_set_file_extent_type(leaf, fi,
 					   BTRFS_FILE_EXTENT_REG);
 		btrfs_set_file_extent_num_bytes(leaf, fi,
diff --git a/fs/nfs/direct.c b/fs/nfs/direct.c
index e1d415e..0d28982 100644
--- a/fs/nfs/direct.c
+++ b/fs/nfs/direct.c
@@ -342,6 +342,7 @@
 		data->res.fattr = &data->fattr;
 		data->res.eof = 0;
 		data->res.count = bytes;
+		nfs_fattr_init(&data->fattr);
 		msg.rpc_argp = &data->args;
 		msg.rpc_resp = &data->res;
 
@@ -575,6 +576,7 @@
 	data->res.count = 0;
 	data->res.fattr = &data->fattr;
 	data->res.verf = &data->verf;
+	nfs_fattr_init(&data->fattr);
 
 	NFS_PROTO(data->inode)->commit_setup(data, &msg);
 
@@ -766,6 +768,7 @@
 		data->res.fattr = &data->fattr;
 		data->res.count = bytes;
 		data->res.verf = &data->verf;
+		nfs_fattr_init(&data->fattr);
 
 		task_setup_data.task = &data->task;
 		task_setup_data.callback_data = data;
diff --git a/fs/reiserfs/inode.c b/fs/reiserfs/inode.c
index 9087b10..2df0f5c 100644
--- a/fs/reiserfs/inode.c
+++ b/fs/reiserfs/inode.c
@@ -1497,9 +1497,11 @@
 
 	args.objectid = key->on_disk_key.k_objectid;
 	args.dirid = key->on_disk_key.k_dir_id;
+	reiserfs_write_unlock(s);
 	inode = iget5_locked(s, key->on_disk_key.k_objectid,
 			     reiserfs_find_actor, reiserfs_init_locked_inode,
 			     (void *)(&args));
+	reiserfs_write_lock(s);
 	if (!inode)
 		return ERR_PTR(-ENOMEM);
 
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index 220b758..6a06a1d 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -81,24 +81,23 @@
 		if (!sd_attrs)
 			return -ENOMEM;
 		sd->s_iattr = sd_attrs;
-	} else {
-		/* attributes were changed at least once in past */
-		iattrs = &sd_attrs->ia_iattr;
+	}
+	/* attributes were changed at least once in past */
+	iattrs = &sd_attrs->ia_iattr;
 
-		if (ia_valid & ATTR_UID)
-			iattrs->ia_uid = iattr->ia_uid;
-		if (ia_valid & ATTR_GID)
-			iattrs->ia_gid = iattr->ia_gid;
-		if (ia_valid & ATTR_ATIME)
-			iattrs->ia_atime = iattr->ia_atime;
-		if (ia_valid & ATTR_MTIME)
-			iattrs->ia_mtime = iattr->ia_mtime;
-		if (ia_valid & ATTR_CTIME)
-			iattrs->ia_ctime = iattr->ia_ctime;
-		if (ia_valid & ATTR_MODE) {
-			umode_t mode = iattr->ia_mode;
-			iattrs->ia_mode = sd->s_mode = mode;
-		}
+	if (ia_valid & ATTR_UID)
+		iattrs->ia_uid = iattr->ia_uid;
+	if (ia_valid & ATTR_GID)
+		iattrs->ia_gid = iattr->ia_gid;
+	if (ia_valid & ATTR_ATIME)
+		iattrs->ia_atime = iattr->ia_atime;
+	if (ia_valid & ATTR_MTIME)
+		iattrs->ia_mtime = iattr->ia_mtime;
+	if (ia_valid & ATTR_CTIME)
+		iattrs->ia_ctime = iattr->ia_ctime;
+	if (ia_valid & ATTR_MODE) {
+		umode_t mode = iattr->ia_mode;
+		iattrs->ia_mode = sd->s_mode = mode;
 	}
 	return 0;
 }
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index 070ba06..5977b72 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -44,7 +44,7 @@
 	return bp->attr.bp_type;
 }
 
-static inline int hw_breakpoint_len(struct perf_event *bp)
+static inline unsigned long hw_breakpoint_len(struct perf_event *bp)
 {
 	return bp->attr.bp_len;
 }
diff --git a/include/linux/kfifo.h b/include/linux/kfifo.h
index 6f6c5f3..bc0fc79 100644
--- a/include/linux/kfifo.h
+++ b/include/linux/kfifo.h
@@ -124,7 +124,7 @@
  */
 static inline bool kfifo_initialized(struct kfifo *fifo)
 {
-	return fifo->buffer != 0;
+	return fifo->buffer != NULL;
 }
 
 /**
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 8fa7187..a177698 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -211,11 +211,9 @@
 		__u32		wakeup_watermark; /* bytes before wakeup   */
 	};
 
-	__u32			__reserved_2;
-
-	__u64			bp_addr;
 	__u32			bp_type;
-	__u32			bp_len;
+	__u64			bp_addr;
+	__u64			bp_len;
 };
 
 /*
diff --git a/kernel/hw_breakpoint.c b/kernel/hw_breakpoint.c
index 8a5c7d5..967e6614 100644
--- a/kernel/hw_breakpoint.c
+++ b/kernel/hw_breakpoint.c
@@ -360,8 +360,8 @@
 int modify_user_hw_breakpoint(struct perf_event *bp, struct perf_event_attr *attr)
 {
 	u64 old_addr = bp->attr.bp_addr;
+	u64 old_len = bp->attr.bp_len;
 	int old_type = bp->attr.bp_type;
-	int old_len = bp->attr.bp_len;
 	int err = 0;
 
 	perf_event_disable(bp);
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 498cabb..35edbe22 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -80,7 +80,7 @@
 
 	buffer = kmalloc(size, gfp_mask);
 	if (!buffer) {
-		_kfifo_init(fifo, 0, 0);
+		_kfifo_init(fifo, NULL, 0);
 		return -ENOMEM;
 	}
 
@@ -97,6 +97,7 @@
 void kfifo_free(struct kfifo *fifo)
 {
 	kfree(fifo->buffer);
+	_kfifo_init(fifo, NULL, 0);
 }
 EXPORT_SYMBOL(kfifo_free);
 
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index d27746b..2b19297 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4580,7 +4580,7 @@
 	if (attr->type >= PERF_TYPE_MAX)
 		return -EINVAL;
 
-	if (attr->__reserved_1 || attr->__reserved_2)
+	if (attr->__reserved_1)
 		return -EINVAL;
 
 	if (attr->sample_type & ~(PERF_SAMPLE_MAX-1))
diff --git a/kernel/softirq.c b/kernel/softirq.c
index a09502e..7c1a67e 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -500,22 +500,17 @@
  */
 
 /*
- * The trampoline is called when the hrtimer expires. If this is
- * called from the hrtimer interrupt then we schedule the tasklet as
- * the timer callback function expects to run in softirq context. If
- * it's called in softirq context anyway (i.e. high resolution timers
- * disabled) then the hrtimer callback is called right away.
+ * The trampoline is called when the hrtimer expires. It schedules a tasklet
+ * to run __tasklet_hrtimer_trampoline() which in turn will call the intended
+ * hrtimer callback, but from softirq context.
  */
 static enum hrtimer_restart __hrtimer_tasklet_trampoline(struct hrtimer *timer)
 {
 	struct tasklet_hrtimer *ttimer =
 		container_of(timer, struct tasklet_hrtimer, timer);
 
-	if (hrtimer_is_hres_active(timer)) {
-		tasklet_hi_schedule(&ttimer->tasklet);
-		return HRTIMER_NORESTART;
-	}
-	return ttimer->function(timer);
+	tasklet_hi_schedule(&ttimer->tasklet);
+	return HRTIMER_NORESTART;
 }
 
 /*
diff --git a/kernel/trace/trace_kprobe.c b/kernel/trace/trace_kprobe.c
index 6ea90c0..50b1b82 100644
--- a/kernel/trace/trace_kprobe.c
+++ b/kernel/trace/trace_kprobe.c
@@ -689,7 +689,7 @@
 			return -EINVAL;
 		}
 		/* an address specified */
-		ret = strict_strtoul(&argv[0][2], 0, (unsigned long *)&addr);
+		ret = strict_strtoul(&argv[1][0], 0, (unsigned long *)&addr);
 		if (ret) {
 			pr_info("Failed to parse address.\n");
 			return ret;
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index 678a512..f4bc9b2 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -157,6 +157,7 @@
 	unsigned long val, flags;
 	char buf[64];
 	int ret;
+	int cpu;
 
 	if (count >= sizeof(buf))
 		return -EINVAL;
@@ -171,9 +172,20 @@
 		return ret;
 
 	local_irq_save(flags);
+
+	/*
+	 * In case we trace inside arch_spin_lock() or after (NMI),
+	 * we will cause circular lock, so we also need to increase
+	 * the percpu trace_active here.
+	 */
+	cpu = smp_processor_id();
+	per_cpu(trace_active, cpu)++;
+
 	arch_spin_lock(&max_stack_lock);
 	*ptr = val;
 	arch_spin_unlock(&max_stack_lock);
+
+	per_cpu(trace_active, cpu)--;
 	local_irq_restore(flags);
 
 	return count;
@@ -206,7 +218,13 @@
 
 static void *t_start(struct seq_file *m, loff_t *pos)
 {
+	int cpu;
+
 	local_irq_disable();
+
+	cpu = smp_processor_id();
+	per_cpu(trace_active, cpu)++;
+
 	arch_spin_lock(&max_stack_lock);
 
 	if (*pos == 0)
@@ -217,7 +235,13 @@
 
 static void t_stop(struct seq_file *m, void *p)
 {
+	int cpu;
+
 	arch_spin_unlock(&max_stack_lock);
+
+	cpu = smp_processor_id();
+	per_cpu(trace_active, cpu)--;
+
 	local_irq_enable();
 }
 
diff --git a/net/core/ethtool.c b/net/core/ethtool.c
index d8aee58..236a998 100644
--- a/net/core/ethtool.c
+++ b/net/core/ethtool.c
@@ -927,6 +927,7 @@
 	case ETHTOOL_GPERMADDR:
 	case ETHTOOL_GUFO:
 	case ETHTOOL_GGSO:
+	case ETHTOOL_GGRO:
 	case ETHTOOL_GFLAGS:
 	case ETHTOOL_GPFLAGS:
 	case ETHTOOL_GRXFH:
diff --git a/net/ipv4/igmp.c b/net/ipv4/igmp.c
index 76c0840..a42f658 100644
--- a/net/ipv4/igmp.c
+++ b/net/ipv4/igmp.c
@@ -946,7 +946,6 @@
 		break;
 	case IGMP_HOST_MEMBERSHIP_REPORT:
 	case IGMPV2_HOST_MEMBERSHIP_REPORT:
-	case IGMPV3_HOST_MEMBERSHIP_REPORT:
 		/* Is it our report looped back? */
 		if (skb_rtable(skb)->fl.iif == 0)
 			break;
@@ -960,6 +959,7 @@
 		in_dev_put(in_dev);
 		return pim_rcv_v1(skb);
 #endif
+	case IGMPV3_HOST_MEMBERSHIP_REPORT:
 	case IGMP_DVMRP:
 	case IGMP_TRACE:
 	case IGMP_HOST_LEAVE_MESSAGE:
diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index 38fbf04..544ce08 100644
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -124,16 +124,12 @@
 	if (x->props.mode == XFRM_MODE_TUNNEL) {
 		err = ipcomp_tunnel_attach(x);
 		if (err)
-			goto error_tunnel;
+			goto out;
 	}
 
 	err = 0;
 out:
 	return err;
-
-error_tunnel:
-	ipcomp_destroy(x);
-	goto out;
 }
 
 static const struct xfrm_type ipcomp_type = {
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 28e0296..3fddc69 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -5783,11 +5783,9 @@
 
 				/* tcp_ack considers this ACK as duplicate
 				 * and does not calculate rtt.
-				 * Fix it at least with timestamps.
+				 * Force it here.
 				 */
-				if (tp->rx_opt.saw_tstamp &&
-				    tp->rx_opt.rcv_tsecr && !tp->srtt)
-					tcp_ack_saw_tstamp(sk, 0);
+				tcp_ack_update_rtt(sk, 0, 0);
 
 				if (tp->rx_opt.tstamp_ok)
 					tp->advmss -= TCPOLEN_TSTAMP_ALIGNED;
diff --git a/net/ipv6/ipcomp6.c b/net/ipv6/ipcomp6.c
index 2f2a5ca..002e6ee 100644
--- a/net/ipv6/ipcomp6.c
+++ b/net/ipv6/ipcomp6.c
@@ -154,16 +154,12 @@
 	if (x->props.mode == XFRM_MODE_TUNNEL) {
 		err = ipcomp6_tunnel_attach(x);
 		if (err)
-			goto error_tunnel;
+			goto out;
 	}
 
 	err = 0;
 out:
 	return err;
-error_tunnel:
-	ipcomp_destroy(x);
-
-	goto out;
 }
 
 static const struct xfrm_type ipcomp6_type =
diff --git a/net/mac80211/ibss.c b/net/mac80211/ibss.c
index 1f2db64..22f0c2a 100644
--- a/net/mac80211/ibss.c
+++ b/net/mac80211/ibss.c
@@ -647,7 +647,7 @@
 	}
 	if (pos[1] != 0 &&
 	    (pos[1] != ifibss->ssid_len ||
-	     !memcmp(pos + 2, ifibss->ssid, ifibss->ssid_len))) {
+	     memcmp(pos + 2, ifibss->ssid, ifibss->ssid_len))) {
 		/* Ignore ProbeReq for foreign SSID */
 		return;
 	}
diff --git a/net/mac80211/rate.c b/net/mac80211/rate.c
index b9007f8..12a2bff 100644
--- a/net/mac80211/rate.c
+++ b/net/mac80211/rate.c
@@ -245,6 +245,9 @@
 		info->control.rates[i].count = 1;
 	}
 
+	if (sdata->local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
+		return;
+
 	if (sta && sdata->force_unicast_rateidx > -1) {
 		info->control.rates[0].idx = sdata->force_unicast_rateidx;
 	} else {
diff --git a/net/mac80211/scan.c b/net/mac80211/scan.c
index f934c96..bc17cf7 100644
--- a/net/mac80211/scan.c
+++ b/net/mac80211/scan.c
@@ -439,6 +439,16 @@
 	if (local->scan_req)
 		return -EBUSY;
 
+	if (req != local->int_scan_req &&
+	    sdata->vif.type == NL80211_IFTYPE_STATION &&
+	    !list_empty(&ifmgd->work_list)) {
+		/* actually wait for the work it's doing to finish/time out */
+		set_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request);
+		local->scan_req = req;
+		local->scan_sdata = sdata;
+		return 0;
+	}
+
 	if (local->ops->hw_scan) {
 		u8 *ies;
 
@@ -463,14 +473,6 @@
 	local->scan_req = req;
 	local->scan_sdata = sdata;
 
-	if (req != local->int_scan_req &&
-	    sdata->vif.type == NL80211_IFTYPE_STATION &&
-	    !list_empty(&ifmgd->work_list)) {
-		/* actually wait for the work it's doing to finish/time out */
-		set_bit(IEEE80211_STA_REQ_SCAN, &ifmgd->request);
-		return 0;
-	}
-
 	if (local->ops->hw_scan)
 		__set_bit(SCAN_HW_SCANNING, &local->scanning);
 	else
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index b36cc34..f445ea1 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1102,7 +1102,7 @@
 	int err = -ENOMEM;
 	struct xfrm_state *x = xfrm_state_alloc(net);
 	if (!x)
-		goto error;
+		goto out;
 
 	memcpy(&x->id, &orig->id, sizeof(x->id));
 	memcpy(&x->sel, &orig->sel, sizeof(x->sel));
@@ -1160,16 +1160,10 @@
 	return x;
 
  error:
+	xfrm_state_put(x);
+out:
 	if (errp)
 		*errp = err;
-	if (x) {
-		kfree(x->aalg);
-		kfree(x->ealg);
-		kfree(x->calg);
-		kfree(x->encap);
-		kfree(x->coaddr);
-	}
-	kfree(x);
 	return NULL;
 }
 
diff --git a/sound/pci/hda/hda_intel.c b/sound/pci/hda/hda_intel.c
index 3600e9c..ff6da6f 100644
--- a/sound/pci/hda/hda_intel.c
+++ b/sound/pci/hda/hda_intel.c
@@ -2350,7 +2350,7 @@
  */
 static struct snd_pci_quirk msi_black_list[] __devinitdata = {
 	SND_PCI_QUIRK(0x1043, 0x81f2, "ASUS", 0), /* Athlon64 X2 + nvidia */
-	SND_PCI_QUIRK(0x1043, 0x829c, "ASUS", 0), /* nvidia */
+	SND_PCI_QUIRK(0x1043, 0x81f6, "ASUS", 0), /* nvidia */
 	{}
 };
 
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index ddc584b..4b91d8c 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -705,7 +705,7 @@
 		fprintf(stdout, "\t[w]     toggle display weighted/count[E]r. \t(%d)\n", display_weighted ? 1 : 0);
 
 	fprintf(stdout,
-		"\t[K]     hide kernel_symbols symbols.             \t(%s)\n",
+		"\t[K]     hide kernel_symbols symbols.     \t(%s)\n",
 		hide_kernel_symbols ? "yes" : "no");
 	fprintf(stdout,
 		"\t[U]     hide user symbols.               \t(%s)\n",
diff --git a/tools/perf/util/event.c b/tools/perf/util/event.c
index bb0fd6d..8a9e6ba 100644
--- a/tools/perf/util/event.c
+++ b/tools/perf/util/event.c
@@ -295,10 +295,10 @@
 	al->thread = self;
 	al->addr = addr;
 
-	if (cpumode & PERF_RECORD_MISC_KERNEL) {
+	if (cpumode == PERF_RECORD_MISC_KERNEL) {
 		al->level = 'k';
 		mg = &session->kmaps;
-	} else if (cpumode & PERF_RECORD_MISC_USER)
+	} else if (cpumode == PERF_RECORD_MISC_USER)
 		al->level = '.';
 	else {
 		al->level = 'H';