kernel-magellan/patches-3.2/0113-3.2.14-all-fixes.patch

diff --git a/arch/arm/mach-tegra/Kconfig b/arch/arm/mach-tegra/Kconfig
index 91aff7c..dbc59fa 100644
--- a/arch/arm/mach-tegra/Kconfig
+++ b/arch/arm/mach-tegra/Kconfig
@@ -13,6 +13,13 @@ config ARCH_TEGRA_2x_SOC
 	select USB_ARCH_HAS_EHCI if USB_SUPPORT
 	select USB_ULPI if USB_SUPPORT
 	select USB_ULPI_VIEWPORT if USB_SUPPORT
+	select ARM_ERRATA_720789
+	select ARM_ERRATA_742230
+	select ARM_ERRATA_751472
+	select ARM_ERRATA_754327
+	select ARM_ERRATA_764369
+	select PL310_ERRATA_727915 if CACHE_L2X0
+	select PL310_ERRATA_769419 if CACHE_L2X0
 	help
 	  Support for NVIDIA Tegra AP20 and T20 processors, based on the
 	  ARM CortexA9MP CPU and the ARM PL310 L2 cache controller
@@ -54,6 +61,11 @@ config MACH_SEABOARD
 config MACH_TEGRA_DT
 	bool "Generic Tegra board (FDT support)"
 	select USE_OF
+	select ARM_ERRATA_743622
+	select ARM_ERRATA_751472
+	select ARM_ERRATA_754322
+	select ARM_ERRATA_764369
+	select PL310_ERRATA_769419 if CACHE_L2X0
 	help
 	  Support for generic nVidia Tegra boards using Flattened Device Tree
 
diff --git a/arch/x86/include/asm/kvm_emulate.h b/arch/x86/include/asm/kvm_emulate.h
index a026507..70ea6fd 100644
--- a/arch/x86/include/asm/kvm_emulate.h
+++ b/arch/x86/include/asm/kvm_emulate.h
@@ -189,6 +189,9 @@ struct x86_emulate_ops {
 	int (*intercept)(struct x86_emulate_ctxt *ctxt,
 			 struct x86_instruction_info *info,
 			 enum x86_intercept_stage stage);
+
+	bool (*get_cpuid)(struct x86_emulate_ctxt *ctxt,
+			 u32 *eax, u32 *ebx, u32 *ecx, u32 *edx);
 };
 
 typedef u32 __attribute__((vector_size(16))) sse128_t;
@@ -297,6 +300,19 @@ struct x86_emulate_ctxt {
 #define X86EMUL_MODE_PROT     (X86EMUL_MODE_PROT16|X86EMUL_MODE_PROT32| \
 			       X86EMUL_MODE_PROT64)
 
+/* CPUID vendors */
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx 0x68747541
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx 0x444d4163
+#define X86EMUL_CPUID_VENDOR_AuthenticAMD_edx 0x69746e65
+
+#define X86EMUL_CPUID_VENDOR_AMDisbetterI_ebx 0x69444d41
+#define X86EMUL_CPUID_VENDOR_AMDisbetterI_ecx 0x21726574
+#define X86EMUL_CPUID_VENDOR_AMDisbetterI_edx 0x74656273
+
+#define X86EMUL_CPUID_VENDOR_GenuineIntel_ebx 0x756e6547
+#define X86EMUL_CPUID_VENDOR_GenuineIntel_ecx 0x6c65746e
+#define X86EMUL_CPUID_VENDOR_GenuineIntel_edx 0x49656e69
+
 enum x86_intercept_stage {
 	X86_ICTP_NONE = 0,   /* Allow zero-init to not match anything */
 	X86_ICPT_PRE_EXCEPT,
diff --git a/arch/x86/kernel/apic/io_apic.c b/arch/x86/kernel/apic/io_apic.c
index 6d939d7..a25e276 100644
--- a/arch/x86/kernel/apic/io_apic.c
+++ b/arch/x86/kernel/apic/io_apic.c
@@ -3963,18 +3963,36 @@ int mp_find_ioapic_pin(int ioapic, u32 gsi)
 static __init int bad_ioapic(unsigned long address)
 {
 	if (nr_ioapics >= MAX_IO_APICS) {
-		printk(KERN_WARNING "WARNING: Max # of I/O APICs (%d) exceeded "
-		       "(found %d), skipping\n", MAX_IO_APICS, nr_ioapics);
+		pr_warn("WARNING: Max # of I/O APICs (%d) exceeded (found %d), skipping\n",
+			MAX_IO_APICS, nr_ioapics);
 		return 1;
 	}
 	if (!address) {
-		printk(KERN_WARNING "WARNING: Bogus (zero) I/O APIC address"
-		       " found in table, skipping!\n");
+		pr_warn("WARNING: Bogus (zero) I/O APIC address found in table, skipping!\n");
 		return 1;
 	}
 	return 0;
 }
 
+static __init int bad_ioapic_register(int idx)
+{
+	union IO_APIC_reg_00 reg_00;
+	union IO_APIC_reg_01 reg_01;
+	union IO_APIC_reg_02 reg_02;
+
+	reg_00.raw = io_apic_read(idx, 0);
+	reg_01.raw = io_apic_read(idx, 1);
+	reg_02.raw = io_apic_read(idx, 2);
+
+	if (reg_00.raw == -1 && reg_01.raw == -1 && reg_02.raw == -1) {
+		pr_warn("I/O APIC 0x%x registers return all ones, skipping!\n",
+			mpc_ioapic_addr(idx));
+		return 1;
+	}
+
+	return 0;
+}
+
 void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
 {
 	int idx = 0;
@@ -3991,6 +4009,12 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
 	ioapics[idx].mp_config.apicaddr = address;
 
 	set_fixmap_nocache(FIX_IO_APIC_BASE_0 + idx, address);
+
+	if (bad_ioapic_register(idx)) {
+		clear_fixmap(FIX_IO_APIC_BASE_0 + idx);
+		return;
+	}
+
 	ioapics[idx].mp_config.apicid = io_apic_unique_id(id);
 	ioapics[idx].mp_config.apicver = io_apic_get_version(idx);
 
@@ -4011,10 +4035,10 @@ void __init mp_register_ioapic(int id, u32 address, u32 gsi_base)
 	if (gsi_cfg->gsi_end >= gsi_top)
 		gsi_top = gsi_cfg->gsi_end + 1;
 
-	printk(KERN_INFO "IOAPIC[%d]: apic_id %d, version %d, address 0x%x, "
-	       "GSI %d-%d\n", idx, mpc_ioapic_id(idx),
-	       mpc_ioapic_ver(idx), mpc_ioapic_addr(idx),
-	       gsi_cfg->gsi_base, gsi_cfg->gsi_end);
+	pr_info("IOAPIC[%d]: apic_id %d, version %d, address 0x%x, GSI %d-%d\n",
+		idx, mpc_ioapic_id(idx),
+		mpc_ioapic_ver(idx), mpc_ioapic_addr(idx),
+		gsi_cfg->gsi_base, gsi_cfg->gsi_end);
 
 	nr_ioapics++;
 }
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index f3f6f53..bcda816 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -99,12 +99,6 @@
 #endif
 .endm
 
-#ifdef CONFIG_VM86
-#define resume_userspace_sig	check_userspace
-#else
-#define resume_userspace_sig	resume_userspace
-#endif
-
 /*
  * User gs save/restore
  *
@@ -328,10 +322,19 @@ ret_from_exception:
 	preempt_stop(CLBR_ANY)
 ret_from_intr:
 	GET_THREAD_INFO(%ebp)
-check_userspace:
+resume_userspace_sig:
+#ifdef CONFIG_VM86
 	movl PT_EFLAGS(%esp), %eax	# mix EFLAGS and CS
 	movb PT_CS(%esp), %al
 	andl $(X86_EFLAGS_VM | SEGMENT_RPL_MASK), %eax
+#else
+	/*
+	 * We can be coming here from a syscall done in the kernel space,
+	 * e.g. a failed kernel_execve().
+	 */
+	movl PT_CS(%esp), %eax
+	andl $SEGMENT_RPL_MASK, %eax
+#endif
 	cmpl $USER_RPL, %eax
 	jb resume_kernel		# not returning to v8086 or userspace
 
diff --git a/arch/x86/kernel/tls.c b/arch/x86/kernel/tls.c
index 6bb7b85..bcfec2d 100644
--- a/arch/x86/kernel/tls.c
+++ b/arch/x86/kernel/tls.c
@@ -163,7 +163,7 @@ int regset_tls_get(struct task_struct *target, const struct user_regset *regset,
 {
 	const struct desc_struct *tls;
 
-	if (pos > GDT_ENTRY_TLS_ENTRIES * sizeof(struct user_desc) ||
+	if (pos >= GDT_ENTRY_TLS_ENTRIES * sizeof(struct user_desc) ||
 	    (pos % sizeof(struct user_desc)) != 0 ||
 	    (count % sizeof(struct user_desc)) != 0)
 		return -EINVAL;
@@ -198,7 +198,7 @@ int regset_tls_set(struct task_struct *target, const struct user_regset *regset,
 	struct user_desc infobuf[GDT_ENTRY_TLS_ENTRIES];
 	const struct user_desc *info;
 
-	if (pos > GDT_ENTRY_TLS_ENTRIES * sizeof(struct user_desc) ||
+	if (pos >= GDT_ENTRY_TLS_ENTRIES * sizeof(struct user_desc) ||
 	    (pos % sizeof(struct user_desc)) != 0 ||
 	    (count % sizeof(struct user_desc)) != 0)
 		return -EINVAL;
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index db48336..3fe298a 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -934,6 +934,16 @@ static int __init init_tsc_clocksource(void)
 		clocksource_tsc.rating = 0;
 		clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS;
 	}
+
+	/*
+	 * Trust the results of the earlier calibration on systems
+	 * exporting a reliable TSC.
+	 */
+	if (boot_cpu_has(X86_FEATURE_TSC_RELIABLE)) {
+		clocksource_register_khz(&clocksource_tsc, tsc_khz);
+		return 0;
+	}
+
 	schedule_delayed_work(&tsc_irqwork, 0);
 	return 0;
 }
diff --git a/arch/x86/kernel/vm86_32.c b/arch/x86/kernel/vm86_32.c
index 863f875..04b8726 100644
--- a/arch/x86/kernel/vm86_32.c
+++ b/arch/x86/kernel/vm86_32.c
@@ -172,6 +172,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
 	spinlock_t *ptl;
 	int i;
 
+	down_write(&mm->mmap_sem);
 	pgd = pgd_offset(mm, 0xA0000);
 	if (pgd_none_or_clear_bad(pgd))
 		goto out;
@@ -190,6 +191,7 @@ static void mark_screen_rdonly(struct mm_struct *mm)
 	}
 	pte_unmap_unlock(pte, ptl);
 out:
+	up_write(&mm->mmap_sem);
 	flush_tlb();
 }
 
diff --git a/arch/x86/kvm/emulate.c b/arch/x86/kvm/emulate.c
index f1e3be18..f5302da 100644
--- a/arch/x86/kvm/emulate.c
+++ b/arch/x86/kvm/emulate.c
@@ -1877,6 +1877,51 @@ setup_syscalls_segments(struct x86_emulate_ctxt *ctxt,
 	ss->p = 1;
 }
 
+static bool em_syscall_is_enabled(struct x86_emulate_ctxt *ctxt)
+{
+	struct x86_emulate_ops *ops = ctxt->ops;
+	u32 eax, ebx, ecx, edx;
+
+	/*
+	 * syscall should always be enabled in longmode - so only become
+	 * vendor specific (cpuid) if other modes are active...
+	 */
+	if (ctxt->mode == X86EMUL_MODE_PROT64)
+		return true;
+
+	eax = 0x00000000;
+	ecx = 0x00000000;
+	if (ops->get_cpuid(ctxt, &eax, &ebx, &ecx, &edx)) {
+		/*
+		 * Intel ("GenuineIntel")
+		 * remark: Intel CPUs only support "syscall" in 64bit
+		 * longmode. Also an 64bit guest with a
+		 * 32bit compat-app running will #UD !! While this
+		 * behaviour can be fixed (by emulating) into AMD
+		 * response - CPUs of AMD can't behave like Intel.
+		 */
+		if (ebx == X86EMUL_CPUID_VENDOR_GenuineIntel_ebx &&
+		    ecx == X86EMUL_CPUID_VENDOR_GenuineIntel_ecx &&
+		    edx == X86EMUL_CPUID_VENDOR_GenuineIntel_edx)
+			return false;
+
+		/* AMD ("AuthenticAMD") */
+		if (ebx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ebx &&
+		    ecx == X86EMUL_CPUID_VENDOR_AuthenticAMD_ecx &&
+		    edx == X86EMUL_CPUID_VENDOR_AuthenticAMD_edx)
+			return true;
+
+		/* AMD ("AMDisbetter!") */
+		if (ebx == X86EMUL_CPUID_VENDOR_AMDisbetterI_ebx &&
+		    ecx == X86EMUL_CPUID_VENDOR_AMDisbetterI_ecx &&
+		    edx == X86EMUL_CPUID_VENDOR_AMDisbetterI_edx)
+			return true;
+	}
+
+	/* default: (not Intel, not AMD), apply Intel's stricter rules... */
+	return false;
+}
+
 static int em_syscall(struct x86_emulate_ctxt *ctxt)
 {
 	struct x86_emulate_ops *ops = ctxt->ops;
@@ -1890,9 +1935,15 @@ static int em_syscall(struct x86_emulate_ctxt *ctxt)
 	    ctxt->mode == X86EMUL_MODE_VM86)
 		return emulate_ud(ctxt);
 
+	if (!(em_syscall_is_enabled(ctxt)))
+		return emulate_ud(ctxt);
+
 	ops->get_msr(ctxt, MSR_EFER, &efer);
 	setup_syscalls_segments(ctxt, &cs, &ss);
 
+	if (!(efer & EFER_SCE))
+		return emulate_ud(ctxt);
+
 	ops->get_msr(ctxt, MSR_STAR, &msr_data);
 	msr_data >>= 32;
 	cs_sel = (u16)(msr_data & 0xfffc);
diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
index 4c938da..e04cae1 100644
--- a/arch/x86/kvm/x86.c
+++ b/arch/x86/kvm/x86.c
@@ -4655,6 +4655,28 @@ static int emulator_intercept(struct x86_emulate_ctxt *ctxt,
 	return kvm_x86_ops->check_intercept(emul_to_vcpu(ctxt), info, stage);
 }
 
+static bool emulator_get_cpuid(struct x86_emulate_ctxt *ctxt,
+			       u32 *eax, u32 *ebx, u32 *ecx, u32 *edx)
+{
+	struct kvm_cpuid_entry2 *cpuid = NULL;
+
+	if (eax && ecx)
+		cpuid = kvm_find_cpuid_entry(emul_to_vcpu(ctxt),
+					    *eax, *ecx);
+
+	if (cpuid) {
+		*eax = cpuid->eax;
+		*ecx = cpuid->ecx;
+		if (ebx)
+			*ebx = cpuid->ebx;
+		if (edx)
+			*edx = cpuid->edx;
+		return true;
+	}
+
+	return false;
+}
+
 static struct x86_emulate_ops emulate_ops = {
 	.read_std            = kvm_read_guest_virt_system,
 	.write_std           = kvm_write_guest_virt_system,
@@ -4685,6 +4707,7 @@ static struct x86_emulate_ops emulate_ops = {
 	.get_fpu             = emulator_get_fpu,
 	.put_fpu             = emulator_put_fpu,
 	.intercept           = emulator_intercept,
+	.get_cpuid           = emulator_get_cpuid,
 };
 
 static void cache_all_regs(struct kvm_vcpu *vcpu)
diff --git a/arch/x86/net/bpf_jit_comp.c b/arch/x86/net/bpf_jit_comp.c
index 7c1b765..5671752 100644
--- a/arch/x86/net/bpf_jit_comp.c
+++ b/arch/x86/net/bpf_jit_comp.c
@@ -475,8 +475,10 @@ void bpf_jit_compile(struct sk_filter *fp)
 			case BPF_S_LD_W_ABS:
 				func = sk_load_word;
 common_load:			seen |= SEEN_DATAREF;
-				if ((int)K < 0)
+				if ((int)K < 0) {
+					/* Abort the JIT because __load_pointer() is needed. */
 					goto out;
+				}
 				t_offset = func - (image + addrs[i]);
 				EMIT1_off32(0xbe, K); /* mov imm32,%esi */
 				EMIT1_off32(0xe8, t_offset); /* call */
@@ -489,14 +491,8 @@ common_load:			seen |= SEEN_DATAREF;
 				goto common_load;
 			case BPF_S_LDX_B_MSH:
 				if ((int)K < 0) {
-					if (pc_ret0 > 0) {
-						/* addrs[pc_ret0 - 1] is the start address */
-						EMIT_JMP(addrs[pc_ret0 - 1] - addrs[i]);
-						break;
-					}
-					CLEAR_A();
-					EMIT_JMP(cleanup_addr - addrs[i]);
-					break;
+					/* Abort the JIT because __load_pointer() is needed. */
+					goto out;
 				}
 				seen |= SEEN_DATAREF | SEEN_XREG;
 				t_offset = sk_load_byte_msh - (image + addrs[i]);
diff --git a/drivers/ata/pata_legacy.c b/drivers/ata/pata_legacy.c
index 35aca7d..4fe9d21 100644
--- a/drivers/ata/pata_legacy.c
+++ b/drivers/ata/pata_legacy.c
@@ -401,8 +401,7 @@ static void ht6560b_set_piomode(struct ata_port *ap, struct ata_device *adev)
 	ata_timing_compute(adev, adev->pio_mode, &t, 20000, 1000);
 
 	active = clamp_val(t.active, 2, 15);
-	recover = clamp_val(t.recover, 2, 16);
-	recover &= 0x15;
+	recover = clamp_val(t.recover, 2, 16) & 0x0F;
 
 	inb(0x3E6);
 	inb(0x3E6);
diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
index 6790cf7..79038e5 100644
--- a/drivers/base/power/domain.c
+++ b/drivers/base/power/domain.c
@@ -751,7 +751,8 @@ static int pm_genpd_resume_noirq(struct device *dev)
 	if (IS_ERR(genpd))
 		return -EINVAL;
 
-	if (genpd->suspend_power_off)
+	if (genpd->suspend_power_off
+	    || (dev->power.wakeup_path && genpd_dev_active_wakeup(genpd, dev)))
 		return 0;
 
 	/*
diff --git a/drivers/bluetooth/ath3k.c b/drivers/bluetooth/ath3k.c
index 106beb1..db811d2 100644
--- a/drivers/bluetooth/ath3k.c
+++ b/drivers/bluetooth/ath3k.c
@@ -64,6 +64,7 @@ static struct usb_device_id ath3k_table[] = {
 	{ USB_DEVICE(0x0CF3, 0x3002) },
 	{ USB_DEVICE(0x13d3, 0x3304) },
 	{ USB_DEVICE(0x0930, 0x0215) },
+	{ USB_DEVICE(0x0489, 0xE03D) },
 
 	/* Atheros AR9285 Malbec with sflash firmware */
 	{ USB_DEVICE(0x03F0, 0x311D) },
diff --git a/drivers/bluetooth/btusb.c b/drivers/bluetooth/btusb.c
index eabc437..c16c750 100644
--- a/drivers/bluetooth/btusb.c
+++ b/drivers/bluetooth/btusb.c
@@ -119,6 +119,7 @@ static struct usb_device_id blacklist_table[] = {
 	{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
 	{ USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
+	{ USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
 
 	/* Atheros AR9285 Malbec with sflash firmware */
 	{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
@@ -506,15 +507,10 @@ static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
 
 	pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
 
-	urb->dev      = data->udev;
-	urb->pipe     = pipe;
-	urb->context  = hdev;
-	urb->complete = btusb_isoc_complete;
-	urb->interval = data->isoc_rx_ep->bInterval;
+	usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
+				hdev, data->isoc_rx_ep->bInterval);
 
 	urb->transfer_flags  = URB_FREE_BUFFER | URB_ISO_ASAP;
-	urb->transfer_buffer = buf;
-	urb->transfer_buffer_length = size;
 
 	__fill_isoc_descriptor(urb, size,
 			le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
diff --git a/drivers/char/tpm/Kconfig b/drivers/char/tpm/Kconfig
index fa567f1..c9e045c 100644
--- a/drivers/char/tpm/Kconfig
+++ b/drivers/char/tpm/Kconfig
@@ -5,7 +5,6 @@
 menuconfig TCG_TPM
 	tristate "TPM Hardware Support"
 	depends on HAS_IOMEM
-	depends on EXPERIMENTAL
 	select SECURITYFS
 	---help---
 	  If you have a TPM security chip in your system, which
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index 361a1df..b366b34 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1115,12 +1115,13 @@ ssize_t tpm_read(struct file *file, char __user *buf,
 	ret_size = atomic_read(&chip->data_pending);
 	atomic_set(&chip->data_pending, 0);
 	if (ret_size > 0) {	/* relay data */
+		ssize_t orig_ret_size = ret_size;
 		if (size < ret_size)
 			ret_size = size;
 
 		mutex_lock(&chip->buffer_mutex);
 		rc = copy_to_user(buf, chip->data_buffer, ret_size);
-		memset(chip->data_buffer, 0, ret_size);
+		memset(chip->data_buffer, 0, orig_ret_size);
 		if (rc)
 			ret_size = -EFAULT;
 
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 7f5f0da..0a0225a 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2748,7 +2748,7 @@ static int handle_ir_buffer_fill(struct context *context,
 		container_of(context, struct iso_context, context);
 	u32 buffer_dma;
 
-	if (!last->transfer_status)
+	if (last->res_count != 0)
 		/* Descriptor(s) not done yet, stop iteration */
 		return 0;
 
@@ -2762,8 +2762,7 @@ static int handle_ir_buffer_fill(struct context *context,
 	if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS)
 		ctx->base.callback.mc(&ctx->base,
 				      le32_to_cpu(last->data_address) +
-				      le16_to_cpu(last->req_count) -
-				      le16_to_cpu(last->res_count),
+				      le16_to_cpu(last->req_count),
 				      ctx->base.callback_data);
 
 	return 1;
diff --git a/drivers/gpio/gpio-davinci.c b/drivers/gpio/gpio-davinci.c
index df0d595..3d00016 100644
--- a/drivers/gpio/gpio-davinci.c
+++ b/drivers/gpio/gpio-davinci.c
@@ -313,10 +313,16 @@ static int gpio_to_irq_unbanked(struct gpio_chip *chip, unsigned offset)
 		return -ENODEV;
 }
 
-static int gpio_irq_type_unbanked(struct irq_data *d, unsigned trigger)
+static int gpio_irq_type_unbanked(struct irq_data *data, unsigned trigger)
 {
-	struct davinci_gpio_regs __iomem *g = irq2regs(d->irq);
-	u32 mask = (u32) irq_data_get_irq_handler_data(d);
+	struct davinci_gpio_controller *d;
+	struct davinci_gpio_regs __iomem *g;
+	struct davinci_soc_info *soc_info = &davinci_soc_info;
+	u32 mask;
+
+	d = (struct davinci_gpio_controller *)data->handler_data;
+	g = (struct davinci_gpio_regs __iomem *)d->regs;
+	mask = __gpio_mask(data->irq - soc_info->gpio_irq);
 
 	if (trigger & ~(IRQ_TYPE_EDGE_FALLING | IRQ_TYPE_EDGE_RISING))
 		return -EINVAL;
@@ -380,7 +386,7 @@ static int __init davinci_gpio_irq_setup(void)
 	 * IRQ mux conflicts; gpio_irq_type_unbanked() is only for GPIOs.
 	 */
 	if (soc_info->gpio_unbanked) {
-		static struct irq_chip gpio_irqchip_unbanked;
+		static struct irq_chip_type gpio_unbanked;
 
 		/* pass "bank 0" GPIO IRQs to AINTC */
 		chips[0].chip.to_irq = gpio_to_irq_unbanked;
@@ -388,9 +394,10 @@ static int __init davinci_gpio_irq_setup(void)
 
 		/* AINTC handles mask/unmask; GPIO handles triggering */
 		irq = bank_irq;
-		gpio_irqchip_unbanked = *irq_get_chip(irq);
-		gpio_irqchip_unbanked.name = "GPIO-AINTC";
-		gpio_irqchip_unbanked.irq_set_type = gpio_irq_type_unbanked;
+		gpio_unbanked = *container_of(irq_get_chip(irq),
+					      struct irq_chip_type, chip);
+		gpio_unbanked.chip.name = "GPIO-AINTC";
+		gpio_unbanked.chip.irq_set_type = gpio_irq_type_unbanked;
 
 		/* default trigger: both edges */
 		g = gpio2regs(0);
@@ -399,9 +406,8 @@ static int __init davinci_gpio_irq_setup(void)
 
 		/* set the direct IRQs up to use that irqchip */
 		for (gpio = 0; gpio < soc_info->gpio_unbanked; gpio++, irq++) {
-			irq_set_chip(irq, &gpio_irqchip_unbanked);
-			irq_set_handler_data(irq, (void *)__gpio_mask(gpio));
-			irq_set_chip_data(irq, (__force void *)g);
+			irq_set_chip(irq, &gpio_unbanked.chip);
+			irq_set_handler_data(irq, &chips[gpio / 32]);
 			irq_set_status_flags(irq, IRQ_TYPE_EDGE_BOTH);
 		}
 
diff --git a/drivers/gpio/gpio-omap.c b/drivers/gpio/gpio-omap.c
index 0b05629..a6c10e8 100644
--- a/drivers/gpio/gpio-omap.c
+++ b/drivers/gpio/gpio-omap.c
@@ -508,7 +508,10 @@ static void _disable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask)
 
 static inline void _set_gpio_irqenable(struct gpio_bank *bank, int gpio, int enable)
 {
-	_enable_gpio_irqbank(bank, GPIO_BIT(bank, gpio));
+	if (enable)
+		_enable_gpio_irqbank(bank, GPIO_BIT(bank, gpio));
+	else
+		_disable_gpio_irqbank(bank, GPIO_BIT(bank, gpio));
 }
 
 /*
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index e2d85a9..d04597d 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -442,6 +442,10 @@ static int i915_drm_freeze(struct drm_device *dev)
 	/* Modeset on resume, not lid events */
 	dev_priv->modeset_on_lid = 0;
 
+	console_lock();
+	intel_fbdev_set_suspend(dev, 1);
+	console_unlock();
+
 	return 0;
 }
 
@@ -514,6 +518,9 @@ static int i915_drm_thaw(struct drm_device *dev)
 
 	dev_priv->modeset_on_lid = 0;
 
+	console_lock();
+	intel_fbdev_set_suspend(dev, 0);
+	console_unlock();
 	return error;
 }
 
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 8359dc7..3e7c478 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -3084,10 +3084,13 @@ i915_gem_object_finish_gpu(struct drm_i915_gem_object *obj)
 			return ret;
 	}
 
+	ret = i915_gem_object_wait_rendering(obj);
+	if (ret)
+		return ret;
+
 	/* Ensure that we invalidate the GPU's caches and TLBs. */
 	obj->base.read_domains &= ~I915_GEM_GPU_DOMAINS;
-
-	return i915_gem_object_wait_rendering(obj);
+	return 0;
 }
 
 /**
diff --git a/drivers/gpu/drm/i915/intel_drv.h b/drivers/gpu/drm/i915/intel_drv.h
index a1b4343..83e820e 100644
--- a/drivers/gpu/drm/i915/intel_drv.h
+++ b/drivers/gpu/drm/i915/intel_drv.h
@@ -364,7 +364,7 @@ extern int intel_framebuffer_init(struct drm_device *dev,
 				  struct drm_i915_gem_object *obj);
 extern int intel_fbdev_init(struct drm_device *dev);
 extern void intel_fbdev_fini(struct drm_device *dev);
-
+extern void intel_fbdev_set_suspend(struct drm_device *dev, int state);
 extern void intel_prepare_page_flip(struct drm_device *dev, int plane);
 extern void intel_finish_page_flip(struct drm_device *dev, int pipe);
 extern void intel_finish_page_flip_plane(struct drm_device *dev, int plane);
diff --git a/drivers/gpu/drm/i915/intel_fb.c b/drivers/gpu/drm/i915/intel_fb.c
index ec49bae..d0ce34b 100644
--- a/drivers/gpu/drm/i915/intel_fb.c
+++ b/drivers/gpu/drm/i915/intel_fb.c
@@ -257,6 +257,16 @@ void intel_fbdev_fini(struct drm_device *dev)
 	kfree(dev_priv->fbdev);
 	dev_priv->fbdev = NULL;
 }
+
+void intel_fbdev_set_suspend(struct drm_device *dev, int state)
+{
+	drm_i915_private_t *dev_priv = dev->dev_private;
+	if (!dev_priv->fbdev)
+		return;
+
+	fb_set_suspend(dev_priv->fbdev->helper.fbdev, state);
+}
+
 MODULE_LICENSE("GPL and additional rights");
 
 void intel_fb_output_poll_changed(struct drm_device *dev)
diff --git a/drivers/gpu/drm/radeon/radeon_atombios.c b/drivers/gpu/drm/radeon/radeon_atombios.c
index 5082d17..8e1532f 100644
--- a/drivers/gpu/drm/radeon/radeon_atombios.c
+++ b/drivers/gpu/drm/radeon/radeon_atombios.c
@@ -442,6 +442,20 @@ static bool radeon_atom_apply_quirks(struct drm_device *dev,
 		struct radeon_device *rdev = dev->dev_private;
 		*i2c_bus = radeon_lookup_i2c_gpio(rdev, 0x93);
 	}
+
+	/* Fujitsu D3003-S2 board lists DVI-I as DVI-D and VGA */
+	if ((dev->pdev->device == 0x9802) &&
+	    (dev->pdev->subsystem_vendor == 0x1734) &&
+	    (dev->pdev->subsystem_device == 0x11bd)) {
+		if (*connector_type == DRM_MODE_CONNECTOR_VGA) {
+			*connector_type = DRM_MODE_CONNECTOR_DVII;
+			*line_mux = 0x3103;
+		} else if (*connector_type == DRM_MODE_CONNECTOR_DVID) {
+			*connector_type = DRM_MODE_CONNECTOR_DVII;
+		}
+	}
+
+
 	return true;
 }
 
diff --git a/drivers/gpu/drm/radeon/radeon_connectors.c b/drivers/gpu/drm/radeon/radeon_connectors.c
index e7cb3ab..f7d39ac 100644
--- a/drivers/gpu/drm/radeon/radeon_connectors.c
+++ b/drivers/gpu/drm/radeon/radeon_connectors.c
@@ -946,6 +946,10 @@ radeon_dvi_detect(struct drm_connector *connector, bool force)
 
 			encoder = obj_to_encoder(obj);
 
+			if (encoder->encoder_type != DRM_MODE_ENCODER_DAC ||
+			    encoder->encoder_type != DRM_MODE_ENCODER_TVDAC)
+				continue;
+
 			encoder_funcs = encoder->helper_private;
 			if (encoder_funcs->detect) {
 				if (ret != connector_status_connected) {
diff --git a/drivers/gpu/drm/radeon/radeon_cursor.c b/drivers/gpu/drm/radeon/radeon_cursor.c
index fde25c0..986d608 100644
--- a/drivers/gpu/drm/radeon/radeon_cursor.c
+++ b/drivers/gpu/drm/radeon/radeon_cursor.c
@@ -151,7 +151,9 @@ int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 			   uint32_t height)
 {
 	struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
+	struct radeon_device *rdev = crtc->dev->dev_private;
 	struct drm_gem_object *obj;
+	struct radeon_bo *robj;
 	uint64_t gpu_addr;
 	int ret;
 
@@ -173,7 +175,15 @@ int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 		return -ENOENT;
 	}
 
-	ret = radeon_gem_object_pin(obj, RADEON_GEM_DOMAIN_VRAM, &gpu_addr);
+	robj = gem_to_radeon_bo(obj);
+	ret = radeon_bo_reserve(robj, false);
+	if (unlikely(ret != 0))
+		goto fail;
+	/* Only 27 bit offset for legacy cursor */
+	ret = radeon_bo_pin_restricted(robj, RADEON_GEM_DOMAIN_VRAM,
+				       ASIC_IS_AVIVO(rdev) ? 0 : 1 << 27,
+				       &gpu_addr);
+	radeon_bo_unreserve(robj);
 	if (ret)
 		goto fail;
 
@@ -181,7 +191,6 @@ int radeon_crtc_cursor_set(struct drm_crtc *crtc,
 	radeon_crtc->cursor_height = height;
 
 	radeon_lock_cursor(crtc, true);
-	/* XXX only 27 bit offset for legacy cursor */
 	radeon_set_cursor(crtc, obj, gpu_addr);
 	radeon_show_cursor(crtc);
 	radeon_lock_cursor(crtc, false);
diff --git a/drivers/gpu/drm/radeon/radeon_object.c b/drivers/gpu/drm/radeon/radeon_object.c
index 1c85152..f3ae607 100644
--- a/drivers/gpu/drm/radeon/radeon_object.c
+++ b/drivers/gpu/drm/radeon/radeon_object.c
@@ -204,7 +204,8 @@ void radeon_bo_unref(struct radeon_bo **bo)
 		*bo = NULL;
 }
 
-int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
+int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain, u64 max_offset,
+			     u64 *gpu_addr)
 {
 	int r, i;
 
@@ -212,6 +213,7 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
 		bo->pin_count++;
 		if (gpu_addr)
 			*gpu_addr = radeon_bo_gpu_offset(bo);
+		WARN_ON_ONCE(max_offset != 0);
 		return 0;
 	}
 	radeon_ttm_placement_from_domain(bo, domain);
@@ -219,6 +221,15 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
 		/* force to pin into visible video ram */
 		bo->placement.lpfn = bo->rdev->mc.visible_vram_size >> PAGE_SHIFT;
 	}
+	if (max_offset) {
+		u64 lpfn = max_offset >> PAGE_SHIFT;
+
+		if (!bo->placement.lpfn)
+			bo->placement.lpfn = bo->rdev->mc.gtt_size >> PAGE_SHIFT;
+
+		if (lpfn < bo->placement.lpfn)
+			bo->placement.lpfn = lpfn;
+	}
 	for (i = 0; i < bo->placement.num_placement; i++)
 		bo->placements[i] |= TTM_PL_FLAG_NO_EVICT;
 	r = ttm_bo_validate(&bo->tbo, &bo->placement, false, false, false);
@@ -232,6 +243,11 @@ int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
 	return r;
 }
 
+int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr)
+{
+	return radeon_bo_pin_restricted(bo, domain, 0, gpu_addr);
+}
+
 int radeon_bo_unpin(struct radeon_bo *bo)
 {
 	int r, i;
diff --git a/drivers/gpu/drm/radeon/radeon_object.h b/drivers/gpu/drm/radeon/radeon_object.h
index b07f0f9..fb3f433 100644
--- a/drivers/gpu/drm/radeon/radeon_object.h
+++ b/drivers/gpu/drm/radeon/radeon_object.h
@@ -108,6 +108,8 @@ extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
 extern void radeon_bo_kunmap(struct radeon_bo *bo);
 extern void radeon_bo_unref(struct radeon_bo **bo);
 extern int radeon_bo_pin(struct radeon_bo *bo, u32 domain, u64 *gpu_addr);
+extern int radeon_bo_pin_restricted(struct radeon_bo *bo, u32 domain,
+				    u64 max_offset, u64 *gpu_addr);
 extern int radeon_bo_unpin(struct radeon_bo *bo);
 extern int radeon_bo_evict_vram(struct radeon_device *rdev);
 extern void radeon_bo_force_delete(struct radeon_device *rdev);
diff --git a/drivers/hid/hid-chicony.c b/drivers/hid/hid-chicony.c
index 8965ad9..b99af34 100644
--- a/drivers/hid/hid-chicony.c
+++ b/drivers/hid/hid-chicony.c
@@ -45,6 +45,12 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 	case 0xff09: ch_map_key_clear(BTN_9);	break;
 	case 0xff0a: ch_map_key_clear(BTN_A);	break;
 	case 0xff0b: ch_map_key_clear(BTN_B);	break;
+	case 0x00f1: ch_map_key_clear(KEY_WLAN);	break;
+	case 0x00f2: ch_map_key_clear(KEY_BRIGHTNESSDOWN);	break;
+	case 0x00f3: ch_map_key_clear(KEY_BRIGHTNESSUP);	break;
+	case 0x00f4: ch_map_key_clear(KEY_DISPLAY_OFF);	break;
+	case 0x00f7: ch_map_key_clear(KEY_CAMERA);	break;
+	case 0x00f8: ch_map_key_clear(KEY_PROG1);	break;
 	default:
 		return 0;
 	}
@@ -53,6 +59,7 @@ static int ch_input_mapping(struct hid_device *hdev, struct hid_input *hi,
 
 static const struct hid_device_id ch_devices[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
 	{ }
 };
 MODULE_DEVICE_TABLE(hid, ch_devices);
diff --git a/drivers/hid/hid-core.c b/drivers/hid/hid-core.c
index bb656d8..c27b402 100644
--- a/drivers/hid/hid-core.c
+++ b/drivers/hid/hid-core.c
@@ -1394,6 +1394,7 @@ static const struct hid_device_id hid_have_special_driver[] = {
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHERRY, USB_DEVICE_ID_CHERRY_CYMOTION_SOLAR) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_TACTICAL_PAD) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS) },
+	{ HID_USB_DEVICE(USB_VENDOR_ID_CHICONY, USB_DEVICE_ID_CHICONY_WIRELESS2) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CHUNGHWAT, USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CREATIVELABS, USB_DEVICE_ID_PRODIKEYS_PCMIDI) },
 	{ HID_USB_DEVICE(USB_VENDOR_ID_CVTOUCH, USB_DEVICE_ID_CVTOUCH_SCREEN) },
diff --git a/drivers/hid/hid-ids.h b/drivers/hid/hid-ids.h
index 3c3daec..fba3fc4 100644
--- a/drivers/hid/hid-ids.h
+++ b/drivers/hid/hid-ids.h
@@ -192,6 +192,7 @@
 #define USB_DEVICE_ID_CHICONY_TACTICAL_PAD	0x0418
 #define USB_DEVICE_ID_CHICONY_MULTI_TOUCH	0xb19d
 #define USB_DEVICE_ID_CHICONY_WIRELESS	0x0618
+#define USB_DEVICE_ID_CHICONY_WIRELESS2	0x1123
 
 #define USB_VENDOR_ID_CHUNGHWAT		0x2247
 #define USB_DEVICE_ID_CHUNGHWAT_MULTITOUCH	0x0001
diff --git a/drivers/hwmon/fam15h_power.c b/drivers/hwmon/fam15h_power.c
index 523f8fb..930370d 100644
--- a/drivers/hwmon/fam15h_power.c
+++ b/drivers/hwmon/fam15h_power.c
@@ -60,7 +60,7 @@ static ssize_t show_power(struct device *dev,
 	pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),
 				  REG_TDP_RUNNING_AVERAGE, &val);
 	running_avg_capture = (val >> 4) & 0x3fffff;
-	running_avg_capture = sign_extend32(running_avg_capture, 22);
+	running_avg_capture = sign_extend32(running_avg_capture, 21);
 	running_avg_range = val & 0xf;
 
 	pci_bus_read_config_dword(f4->bus, PCI_DEVFN(PCI_SLOT(f4->devfn), 5),
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.c b/drivers/infiniband/ulp/iser/iscsi_iser.c
index 7e7373a..d5f3b69 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.c
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.c
@@ -364,6 +364,9 @@ iscsi_iser_conn_bind(struct iscsi_cls_session *cls_session,
 	}
 	ib_conn = ep->dd_data;
 
+	if (iser_alloc_rx_descriptors(ib_conn))
+		return -ENOMEM;
+
 	/* binds the iSER connection retrieved from the previously
 	 * connected ep_handle to the iSCSI layer connection. exchanges
 	 * connection pointers */
@@ -398,19 +401,6 @@ iscsi_iser_conn_stop(struct iscsi_cls_conn *cls_conn, int flag)
 	iser_conn->ib_conn = NULL;
 }
 
-static int
-iscsi_iser_conn_start(struct iscsi_cls_conn *cls_conn)
-{
-	struct iscsi_conn *conn = cls_conn->dd_data;
-	int err;
-
-	err = iser_conn_set_full_featured_mode(conn);
-	if (err)
-		return err;
-
-	return iscsi_conn_start(cls_conn);
-}
-
 static void iscsi_iser_session_destroy(struct iscsi_cls_session *cls_session)
 {
 	struct Scsi_Host *shost = iscsi_session_to_shost(cls_session);
@@ -724,7 +714,7 @@ static struct iscsi_transport iscsi_iser_transport = {
 	.get_conn_param		= iscsi_conn_get_param,
 	.get_ep_param		= iscsi_iser_get_ep_param,
 	.get_session_param	= iscsi_session_get_param,
-	.start_conn             = iscsi_iser_conn_start,
+	.start_conn             = iscsi_conn_start,
 	.stop_conn              = iscsi_iser_conn_stop,
 	/* iscsi host params */
 	.get_host_param		= iscsi_host_get_param,
diff --git a/drivers/infiniband/ulp/iser/iscsi_iser.h b/drivers/infiniband/ulp/iser/iscsi_iser.h
index db7ea37..296be43 100644
--- a/drivers/infiniband/ulp/iser/iscsi_iser.h
+++ b/drivers/infiniband/ulp/iser/iscsi_iser.h
@@ -366,4 +366,5 @@ int iser_dma_map_task_data(struct iscsi_iser_task *iser_task,
 void iser_dma_unmap_task_data(struct iscsi_iser_task *iser_task);
 int  iser_initialize_task_headers(struct iscsi_task *task,
 			struct iser_tx_desc *tx_desc);
+int iser_alloc_rx_descriptors(struct iser_conn *ib_conn);
 #endif
diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
index a607542..738a149 100644
--- a/drivers/infiniband/ulp/iser/iser_initiator.c
+++ b/drivers/infiniband/ulp/iser/iser_initiator.c
@@ -170,7 +170,7 @@ static void iser_create_send_desc(struct iser_conn	*ib_conn,
 }
 
 
-static int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
+int iser_alloc_rx_descriptors(struct iser_conn *ib_conn)
 {
 	int i, j;
 	u64 dma_addr;
@@ -242,23 +242,24 @@ void iser_free_rx_descriptors(struct iser_conn *ib_conn)
 	kfree(ib_conn->rx_descs);
 }
 
-/**
- *  iser_conn_set_full_featured_mode - (iSER API)
- */
-int iser_conn_set_full_featured_mode(struct iscsi_conn *conn)
+static int iser_post_rx_bufs(struct iscsi_conn *conn, struct iscsi_hdr *req)
 {
 	struct iscsi_iser_conn *iser_conn = conn->dd_data;
 
-	iser_dbg("Initially post: %d\n", ISER_MIN_POSTED_RX);
-
-	/* Check that there is no posted recv or send buffers left - */
-	/* they must be consumed during the login phase */
-	BUG_ON(iser_conn->ib_conn->post_recv_buf_count != 0);
-	BUG_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0);
+	iser_dbg("req op %x flags %x\n", req->opcode, req->flags);
+	/* check if this is the last login - going to full feature phase */
+	if ((req->flags & ISCSI_FULL_FEATURE_PHASE) != ISCSI_FULL_FEATURE_PHASE)
+		return 0;
 
-	if (iser_alloc_rx_descriptors(iser_conn->ib_conn))
-		return -ENOMEM;
+	/*
+	 * Check that there is one posted recv buffer (for the last login
+	 * response) and no posted send buffers left - they must have been
+	 * consumed during previous login phases.
+	 */
+	WARN_ON(iser_conn->ib_conn->post_recv_buf_count != 1);
+	WARN_ON(atomic_read(&iser_conn->ib_conn->post_send_buf_count) != 0);
 
+	iser_dbg("Initially post: %d\n", ISER_MIN_POSTED_RX);
 	/* Initial post receive buffers */
 	if (iser_post_recvm(iser_conn->ib_conn, ISER_MIN_POSTED_RX))
 		return -ENOMEM;
@@ -438,6 +439,9 @@ int iser_send_control(struct iscsi_conn *conn,
 		err = iser_post_recvl(iser_conn->ib_conn);
 		if (err)
 			goto send_control_error;
+		err = iser_post_rx_bufs(conn, task->hdr);
+		if (err)
+			goto send_control_error;
 	}
 
 	err = iser_post_send(iser_conn->ib_conn, mdesc);
diff --git a/drivers/iommu/amd_iommu.c b/drivers/iommu/amd_iommu.c
index e0b3e33..966a6e7 100644
--- a/drivers/iommu/amd_iommu.c
+++ b/drivers/iommu/amd_iommu.c
@@ -2432,7 +2432,7 @@ static int amd_iommu_dma_supported(struct device *dev, u64 mask)
  * we don't need to preallocate the protection domains anymore.
  * For now we have to.
  */
-static void prealloc_protection_domains(void)
+static void __init prealloc_protection_domains(void)
 {
 	struct pci_dev *dev = NULL;
 	struct dma_ops_domain *dma_dom;
diff --git a/drivers/md/bitmap.c b/drivers/md/bitmap.c
index 6d03774..2a8722b 100644
--- a/drivers/md/bitmap.c
+++ b/drivers/md/bitmap.c
@@ -1904,6 +1904,8 @@ location_store(struct mddev *mddev, const char *buf, size_t len)
 			if (mddev->pers) {
 				mddev->pers->quiesce(mddev, 1);
 				rv = bitmap_create(mddev);
+				if (!rv)
+					rv = bitmap_load(mddev);
 				if (rv) {
 					bitmap_destroy(mddev);
 					mddev->bitmap_info.offset = 0;
diff --git a/drivers/md/dm-crypt.c b/drivers/md/dm-crypt.c
index 8c2a000..58d8c6d 100644
--- a/drivers/md/dm-crypt.c
+++ b/drivers/md/dm-crypt.c
@@ -176,7 +176,6 @@ struct crypt_config {
 
 #define MIN_IOS        16
 #define MIN_POOL_PAGES 32
-#define MIN_BIO_PAGES  8
 
 static struct kmem_cache *_crypt_io_pool;
 
@@ -848,12 +847,11 @@ static struct bio *crypt_alloc_buffer(struct dm_crypt_io *io, unsigned size,
 		}
 
 		/*
-		 * if additional pages cannot be allocated without waiting,
-		 * return a partially allocated bio, the caller will then try
-		 * to allocate additional bios while submitting this partial bio
+		 * If additional pages cannot be allocated without waiting,
+		 * return a partially-allocated bio.  The caller will then try
+		 * to allocate more bios while submitting this partial bio.
 		 */
-		if (i == (MIN_BIO_PAGES - 1))
-			gfp_mask = (gfp_mask | __GFP_NOWARN) & ~__GFP_WAIT;
+		gfp_mask = (gfp_mask | __GFP_NOWARN) & ~__GFP_WAIT;
 
 		len = (size > PAGE_SIZE) ? PAGE_SIZE : size;
 
@@ -1046,16 +1044,14 @@ static void kcryptd_queue_io(struct dm_crypt_io *io)
 	queue_work(cc->io_queue, &io->work);
 }
 
-static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io,
-					  int error, int async)
+static void kcryptd_crypt_write_io_submit(struct dm_crypt_io *io, int async)
 {
 	struct bio *clone = io->ctx.bio_out;
 	struct crypt_config *cc = io->target->private;
 
-	if (unlikely(error < 0)) {
+	if (unlikely(io->error < 0)) {
 		crypt_free_buffer_pages(cc, clone);
 		bio_put(clone);
-		io->error = -EIO;
 		crypt_dec_pending(io);
 		return;
 	}
@@ -1106,12 +1102,16 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 		sector += bio_sectors(clone);
 
 		crypt_inc_pending(io);
+
 		r = crypt_convert(cc, &io->ctx);
+		if (r < 0)
+			io->error = -EIO;
+
 		crypt_finished = atomic_dec_and_test(&io->ctx.pending);
 
 		/* Encryption was already finished, submit io now */
 		if (crypt_finished) {
-			kcryptd_crypt_write_io_submit(io, r, 0);
+			kcryptd_crypt_write_io_submit(io, 0);
 
 			/*
 			 * If there was an error, do not try next fragments.
@@ -1162,11 +1162,8 @@ static void kcryptd_crypt_write_convert(struct dm_crypt_io *io)
 	crypt_dec_pending(io);
 }
 
-static void kcryptd_crypt_read_done(struct dm_crypt_io *io, int error)
+static void kcryptd_crypt_read_done(struct dm_crypt_io *io)
 {
-	if (unlikely(error < 0))
-		io->error = -EIO;
-
 	crypt_dec_pending(io);
 }
 
@@ -1181,9 +1178,11 @@ static void kcryptd_crypt_read_convert(struct dm_crypt_io *io)
 			   io->sector);
 
 	r = crypt_convert(cc, &io->ctx);
+	if (r < 0)
+		io->error = -EIO;
 
 	if (atomic_dec_and_test(&io->ctx.pending))
-		kcryptd_crypt_read_done(io, r);
+		kcryptd_crypt_read_done(io);
 
 	crypt_dec_pending(io);
 }
@@ -1204,15 +1203,18 @@ static void kcryptd_async_done(struct crypto_async_request *async_req,
 	if (!error && cc->iv_gen_ops && cc->iv_gen_ops->post)
 		error = cc->iv_gen_ops->post(cc, iv_of_dmreq(cc, dmreq), dmreq);
 
+	if (error < 0)
+		io->error = -EIO;
+
 	mempool_free(req_of_dmreq(cc, dmreq), cc->req_pool);
 
 	if (!atomic_dec_and_test(&ctx->pending))
 		return;
 
 	if (bio_data_dir(io->base_bio) == READ)
-		kcryptd_crypt_read_done(io, error);
+		kcryptd_crypt_read_done(io);
 	else
-		kcryptd_crypt_write_io_submit(io, error, 1);
+		kcryptd_crypt_write_io_submit(io, 1);
 }
 
 static void kcryptd_crypt(struct work_struct *work)
diff --git a/drivers/md/dm-exception-store.c b/drivers/md/dm-exception-store.c
index 042e719..aa70f7d 100644
--- a/drivers/md/dm-exception-store.c
+++ b/drivers/md/dm-exception-store.c
@@ -283,7 +283,7 @@ int dm_exception_store_init(void)
 	return 0;
 
 persistent_fail:
-	dm_persistent_snapshot_exit();
+	dm_transient_snapshot_exit();
 transient_fail:
 	return r;
 }
diff --git a/drivers/md/dm-thin.c b/drivers/md/dm-thin.c
index c308757..da2f021 100644
--- a/drivers/md/dm-thin.c
+++ b/drivers/md/dm-thin.c
@@ -124,7 +124,7 @@ struct cell {
 	struct hlist_node list;
 	struct bio_prison *prison;
 	struct cell_key key;
-	unsigned count;
+	struct bio *holder;
 	struct bio_list bios;
 };
 
@@ -220,55 +220,60 @@ static struct cell *__search_bucket(struct hlist_head *bucket,
  * This may block if a new cell needs allocating.  You must ensure that
  * cells will be unlocked even if the calling thread is blocked.
  *
- * Returns the number of entries in the cell prior to the new addition
- * or < 0 on failure.
+ * Returns 1 if the cell was already held, 0 if @inmate is the new holder.
  */
 static int bio_detain(struct bio_prison *prison, struct cell_key *key,
 		      struct bio *inmate, struct cell **ref)
 {
-	int r;
+	int r = 1;
 	unsigned long flags;
 	uint32_t hash = hash_key(prison, key);
-	struct cell *uninitialized_var(cell), *cell2 = NULL;
+	struct cell *cell, *cell2;
 
 	BUG_ON(hash > prison->nr_buckets);
 
 	spin_lock_irqsave(&prison->lock, flags);
+
 	cell = __search_bucket(prison->cells + hash, key);
+	if (cell) {
+		bio_list_add(&cell->bios, inmate);
+		goto out;
+	}
 
-	if (!cell) {
-		/*
-		 * Allocate a new cell
-		 */
-		spin_unlock_irqrestore(&prison->lock, flags);
-		cell2 = mempool_alloc(prison->cell_pool, GFP_NOIO);
-		spin_lock_irqsave(&prison->lock, flags);
+	/*
+	 * Allocate a new cell
+	 */
+	spin_unlock_irqrestore(&prison->lock, flags);
+	cell2 = mempool_alloc(prison->cell_pool, GFP_NOIO);
+	spin_lock_irqsave(&prison->lock, flags);
 
-		/*
-		 * We've been unlocked, so we have to double check that
-		 * nobody else has inserted this cell in the meantime.
-		 */
-		cell = __search_bucket(prison->cells + hash, key);
+	/*
+	 * We've been unlocked, so we have to double check that
+	 * nobody else has inserted this cell in the meantime.
+	 */
+	cell = __search_bucket(prison->cells + hash, key);
+	if (cell) {
+		mempool_free(cell2, prison->cell_pool);
+		bio_list_add(&cell->bios, inmate);
+		goto out;
+	}
+
+	/*
+	 * Use new cell.
+	 */
+	cell = cell2;
 
-		if (!cell) {
-			cell = cell2;
-			cell2 = NULL;
+	cell->prison = prison;
+	memcpy(&cell->key, key, sizeof(cell->key));
+	cell->holder = inmate;
+	bio_list_init(&cell->bios);
+	hlist_add_head(&cell->list, prison->cells + hash);
 
-			cell->prison = prison;
-			memcpy(&cell->key, key, sizeof(cell->key));
-			cell->count = 0;
-			bio_list_init(&cell->bios);
-			hlist_add_head(&cell->list, prison->cells + hash);
-		}
-	}
+	r = 0;
 
-	r = cell->count++;
-	bio_list_add(&cell->bios, inmate);
+out:
 	spin_unlock_irqrestore(&prison->lock, flags);
 
-	if (cell2)
-		mempool_free(cell2, prison->cell_pool);
-
 	*ref = cell;
 
 	return r;
@@ -283,8 +288,8 @@ static void __cell_release(struct cell *cell, struct bio_list *inmates)
 
 	hlist_del(&cell->list);
 
-	if (inmates)
-		bio_list_merge(inmates, &cell->bios);
+	bio_list_add(inmates, cell->holder);
+	bio_list_merge(inmates, &cell->bios);
 
 	mempool_free(cell, prison->cell_pool);
 }
@@ -305,22 +310,44 @@ static void cell_release(struct cell *cell, struct bio_list *bios)
  * bio may be in the cell.  This function releases the cell, and also does
  * a sanity check.
  */
+static void __cell_release_singleton(struct cell *cell, struct bio *bio)
+{
+	hlist_del(&cell->list);
+	BUG_ON(cell->holder != bio);
+	BUG_ON(!bio_list_empty(&cell->bios));
+}
+
 static void cell_release_singleton(struct cell *cell, struct bio *bio)
 {
-	struct bio_prison *prison = cell->prison;
-	struct bio_list bios;
-	struct bio *b;
 	unsigned long flags;
-
-	bio_list_init(&bios);
+	struct bio_prison *prison = cell->prison;
 
 	spin_lock_irqsave(&prison->lock, flags);
-	__cell_release(cell, &bios);
+	__cell_release_singleton(cell, bio);
 	spin_unlock_irqrestore(&prison->lock, flags);
+}
+
+/*
+ * Sometimes we don't want the holder, just the additional bios.
+ */
+static void __cell_release_no_holder(struct cell *cell, struct bio_list *inmates)
+{
+	struct bio_prison *prison = cell->prison;
 
-	b = bio_list_pop(&bios);
-	BUG_ON(b != bio);
-	BUG_ON(!bio_list_empty(&bios));
+	hlist_del(&cell->list);
+	bio_list_merge(inmates, &cell->bios);
+
+	mempool_free(cell, prison->cell_pool);
+}
+
+static void cell_release_no_holder(struct cell *cell, struct bio_list *inmates)
+{
+	unsigned long flags;
+	struct bio_prison *prison = cell->prison;
+
+	spin_lock_irqsave(&prison->lock, flags);
+	__cell_release_no_holder(cell, inmates);
+	spin_unlock_irqrestore(&prison->lock, flags);
 }
 
 static void cell_error(struct cell *cell)
@@ -800,21 +827,16 @@ static void cell_defer(struct thin_c *tc, struct cell *cell,
  * Same as cell_defer above, except it omits one particular detainee,
  * a write bio that covers the block and has already been processed.
  */
-static void cell_defer_except(struct thin_c *tc, struct cell *cell,
-			      struct bio *exception)
+static void cell_defer_except(struct thin_c *tc, struct cell *cell)
 {
 	struct bio_list bios;
-	struct bio *bio;
 	struct pool *pool = tc->pool;
 	unsigned long flags;
 
 	bio_list_init(&bios);
-	cell_release(cell, &bios);
 
 	spin_lock_irqsave(&pool->lock, flags);
-	while ((bio = bio_list_pop(&bios)))
-		if (bio != exception)
-			bio_list_add(&pool->deferred_bios, bio);
+	cell_release_no_holder(cell, &pool->deferred_bios);
 	spin_unlock_irqrestore(&pool->lock, flags);
 
 	wake_worker(pool);
@@ -854,7 +876,7 @@ static void process_prepared_mapping(struct new_mapping *m)
 	 * the bios in the cell.
 	 */
 	if (bio) {
-		cell_defer_except(tc, m->cell, bio);
+		cell_defer_except(tc, m->cell);
 		bio_endio(bio, 0);
 	} else
 		cell_defer(tc, m->cell, m->data_block);
diff --git a/drivers/md/md.c b/drivers/md/md.c
index f47f1f8..6f37aa4 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -1801,13 +1801,13 @@ retry:
 						| BB_LEN(internal_bb));
 				*bbp++ = cpu_to_le64(store_bb);
 			}
+			bb->changed = 0;
 			if (read_seqretry(&bb->lock, seq))
 				goto retry;
 
 			bb->sector = (rdev->sb_start +
 				      (int)le32_to_cpu(sb->bblog_offset));
 			bb->size = le16_to_cpu(sb->bblog_size);
-			bb->changed = 0;
 		}
 	}
 
@@ -2362,6 +2362,7 @@ repeat:
 			clear_bit(MD_CHANGE_PENDING, &mddev->flags);
 			list_for_each_entry(rdev, &mddev->disks, same_set) {
 				if (rdev->badblocks.changed) {
+					rdev->badblocks.changed = 0;
 					md_ack_all_badblocks(&rdev->badblocks);
 					md_error(mddev, rdev);
 				}
@@ -8097,30 +8098,23 @@ static int md_notify_reboot(struct notifier_block *this,
 	struct mddev *mddev;
 	int need_delay = 0;
 
-	if ((code == SYS_DOWN) || (code == SYS_HALT) || (code == SYS_POWER_OFF)) {
-
-		printk(KERN_INFO "md: stopping all md devices.\n");
-
-		for_each_mddev(mddev, tmp) {
-			if (mddev_trylock(mddev)) {
-				/* Force a switch to readonly even array
-				 * appears to still be in use.  Hence
-				 * the '100'.
-				 */
-				md_set_readonly(mddev, 100);
-				mddev_unlock(mddev);
-			}
-			need_delay = 1;
+	for_each_mddev(mddev, tmp) {
+		if (mddev_trylock(mddev)) {
+			__md_stop_writes(mddev);
+			mddev->safemode = 2;
+			mddev_unlock(mddev);
 		}
-		/*
-		 * certain more exotic SCSI devices are known to be
-		 * volatile wrt too early system reboots. While the
-		 * right place to handle this issue is the given
-		 * driver, we do want to have a safe RAID driver ...
-		 */
-		if (need_delay)
-			mdelay(1000*1);
+		need_delay = 1;
 	}
+	/*
+	 * certain more exotic SCSI devices are known to be
+	 * volatile wrt too early system reboots. While the
+	 * right place to handle this issue is the given
+	 * driver, we do want to have a safe RAID driver ...
+	 */
+	if (need_delay)
+		mdelay(1000*1);
+
 	return NOTIFY_DONE;
 }
 
diff --git a/drivers/md/persistent-data/dm-btree-remove.c b/drivers/md/persistent-data/dm-btree-remove.c
index 023fbc2..1a35caf 100644
--- a/drivers/md/persistent-data/dm-btree-remove.c
+++ b/drivers/md/persistent-data/dm-btree-remove.c
@@ -128,18 +128,9 @@ static void delete_at(struct node *n, unsigned index)
 	n->header.nr_entries = cpu_to_le32(nr_entries - 1);
 }
 
-static unsigned del_threshold(struct node *n)
-{
-	return le32_to_cpu(n->header.max_entries) / 3;
-}
-
 static unsigned merge_threshold(struct node *n)
 {
-	/*
-	 * The extra one is because we know we're potentially going to
-	 * delete an entry.
-	 */
-	return 2 * (le32_to_cpu(n->header.max_entries) / 3) + 1;
+	return le32_to_cpu(n->header.max_entries) / 3;
 }
 
 struct child {
@@ -188,6 +179,15 @@ static int exit_child(struct dm_btree_info *info, struct child *c)
 
 static void shift(struct node *left, struct node *right, int count)
 {
+	uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
+	uint32_t nr_right = le32_to_cpu(right->header.nr_entries);
+	uint32_t max_entries = le32_to_cpu(left->header.max_entries);
+	uint32_t r_max_entries = le32_to_cpu(right->header.max_entries);
+
+	BUG_ON(max_entries != r_max_entries);
+	BUG_ON(nr_left - count > max_entries);
+	BUG_ON(nr_right + count > max_entries);
+
 	if (!count)
 		return;
 
@@ -199,13 +199,8 @@ static void shift(struct node *left, struct node *right, int count)
 		node_shift(right, count);
 	}
 
-	left->header.nr_entries =
-		cpu_to_le32(le32_to_cpu(left->header.nr_entries) - count);
-	BUG_ON(le32_to_cpu(left->header.nr_entries) > le32_to_cpu(left->header.max_entries));
-
-	right->header.nr_entries =
-		cpu_to_le32(le32_to_cpu(right->header.nr_entries) + count);
-	BUG_ON(le32_to_cpu(right->header.nr_entries) > le32_to_cpu(right->header.max_entries));
+	left->header.nr_entries = cpu_to_le32(nr_left - count);
+	right->header.nr_entries = cpu_to_le32(nr_right + count);
 }
 
 static void __rebalance2(struct dm_btree_info *info, struct node *parent,
@@ -215,8 +210,9 @@ static void __rebalance2(struct dm_btree_info *info, struct node *parent,
 	struct node *right = r->n;
 	uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
 	uint32_t nr_right = le32_to_cpu(right->header.nr_entries);
+	unsigned threshold = 2 * merge_threshold(left) + 1;
 
-	if (nr_left + nr_right <= merge_threshold(left)) {
+	if (nr_left + nr_right < threshold) {
 		/*
 		 * Merge
 		 */
@@ -234,9 +230,6 @@ static void __rebalance2(struct dm_btree_info *info, struct node *parent,
 		 * Rebalance.
 		 */
 		unsigned target_left = (nr_left + nr_right) / 2;
-		unsigned shift_ = nr_left - target_left;
-		BUG_ON(le32_to_cpu(left->header.max_entries) <= nr_left - shift_);
-		BUG_ON(le32_to_cpu(right->header.max_entries) <= nr_right + shift_);
 		shift(left, right, nr_left - target_left);
 		*key_ptr(parent, r->index) = right->keys[0];
 	}
@@ -272,6 +265,84 @@ static int rebalance2(struct shadow_spine *s, struct dm_btree_info *info,
 	return exit_child(info, &right);
 }
 
+/*
+ * We dump as many entries from center as possible into left, then the rest
+ * in right, then rebalance2.  This wastes some cpu, but I want something
+ * simple atm.
+ */
+static void delete_center_node(struct dm_btree_info *info, struct node *parent,
+			       struct child *l, struct child *c, struct child *r,
+			       struct node *left, struct node *center, struct node *right,
+			       uint32_t nr_left, uint32_t nr_center, uint32_t nr_right)
+{
+	uint32_t max_entries = le32_to_cpu(left->header.max_entries);
+	unsigned shift = min(max_entries - nr_left, nr_center);
+
+	BUG_ON(nr_left + shift > max_entries);
+	node_copy(left, center, -shift);
+	left->header.nr_entries = cpu_to_le32(nr_left + shift);
+
+	if (shift != nr_center) {
+		shift = nr_center - shift;
+		BUG_ON((nr_right + shift) > max_entries);
+		node_shift(right, shift);
+		node_copy(center, right, shift);
+		right->header.nr_entries = cpu_to_le32(nr_right + shift);
+	}
+	*key_ptr(parent, r->index) = right->keys[0];
+
+	delete_at(parent, c->index);
+	r->index--;
+
+	dm_tm_dec(info->tm, dm_block_location(c->block));
+	__rebalance2(info, parent, l, r);
+}
+
+/*
+ * Redistributes entries among 3 sibling nodes.
+ */
+static void redistribute3(struct dm_btree_info *info, struct node *parent,
+			  struct child *l, struct child *c, struct child *r,
+			  struct node *left, struct node *center, struct node *right,
+			  uint32_t nr_left, uint32_t nr_center, uint32_t nr_right)
+{
+	int s;
+	uint32_t max_entries = le32_to_cpu(left->header.max_entries);
+	unsigned target = (nr_left + nr_center + nr_right) / 3;
+	BUG_ON(target > max_entries);
+
+	if (nr_left < nr_right) {
+		s = nr_left - target;
+
+		if (s < 0 && nr_center < -s) {
+			/* not enough in central node */
+			shift(left, center, nr_center);
+			s = nr_center - target;
+			shift(left, right, s);
+			nr_right += s;
+		} else
+			shift(left, center, s);
+
+		shift(center, right, target - nr_right);
+
+	} else {
+		s = target - nr_right;
+		if (s > 0 && nr_center < s) {
+			/* not enough in central node */
+			shift(center, right, nr_center);
+			s = target - nr_center;
+			shift(left, right, s);
+			nr_left -= s;
+		} else
+			shift(center, right, s);
+
+		shift(left, center, nr_left - target);
+	}
+
+	*key_ptr(parent, c->index) = center->keys[0];
+	*key_ptr(parent, r->index) = right->keys[0];
+}
+
 static void __rebalance3(struct dm_btree_info *info, struct node *parent,
 			 struct child *l, struct child *c, struct child *r)
 {
@@ -282,62 +353,18 @@ static void __rebalance3(struct dm_btree_info *info, struct node *parent,
 	uint32_t nr_left = le32_to_cpu(left->header.nr_entries);
 	uint32_t nr_center = le32_to_cpu(center->header.nr_entries);
 	uint32_t nr_right = le32_to_cpu(right->header.nr_entries);
-	uint32_t max_entries = le32_to_cpu(left->header.max_entries);
 
-	unsigned target;
+	unsigned threshold = merge_threshold(left) * 4 + 1;
 
 	BUG_ON(left->header.max_entries != center->header.max_entries);
 	BUG_ON(center->header.max_entries != right->header.max_entries);
 
-	if (((nr_left + nr_center + nr_right) / 2) < merge_threshold(center)) {
-		/*
-		 * Delete center node:
-		 *
-		 * We dump as many entries from center as possible into
-		 * left, then the rest in right, then rebalance2.  This
-		 * wastes some cpu, but I want something simple atm.
-		 */
-		unsigned shift = min(max_entries - nr_left, nr_center);
-
-		BUG_ON(nr_left + shift > max_entries);
-		node_copy(left, center, -shift);
-		left->header.nr_entries = cpu_to_le32(nr_left + shift);
-
-		if (shift != nr_center) {
-			shift = nr_center - shift;
-			BUG_ON((nr_right + shift) >= max_entries);
-			node_shift(right, shift);
-			node_copy(center, right, shift);
-			right->header.nr_entries = cpu_to_le32(nr_right + shift);
-		}
-		*key_ptr(parent, r->index) = right->keys[0];
-
-		delete_at(parent, c->index);
-		r->index--;
-
-		dm_tm_dec(info->tm, dm_block_location(c->block));
-		__rebalance2(info, parent, l, r);
-
-		return;
-	}
-
-	/*
-	 * Rebalance
-	 */
-	target = (nr_left + nr_center + nr_right) / 3;
-	BUG_ON(target > max_entries);
-
-	/*
-	 * Adjust the left node
-	 */
-	shift(left, center, nr_left - target);
-
-	/*
-	 * Adjust the right node
-	 */
-	shift(center, right, target - nr_right);
-	*key_ptr(parent, c->index) = center->keys[0];
-	*key_ptr(parent, r->index) = right->keys[0];
+	if ((nr_left + nr_center + nr_right) < threshold)
+		delete_center_node(info, parent, l, c, r, left, center, right,
+				   nr_left, nr_center, nr_right);
+	else
+		redistribute3(info, parent, l, c, r, left, center, right,
+			      nr_left, nr_center, nr_right);
 }
 
 static int rebalance3(struct shadow_spine *s, struct dm_btree_info *info,
@@ -441,9 +468,6 @@ static int rebalance_children(struct shadow_spine *s,
 	if (r)
 		return r;
 
-	if (child_entries > del_threshold(n))
-		return 0;
-
 	has_left_sibling = i > 0;
 	has_right_sibling = i < (le32_to_cpu(n->header.nr_entries) - 1);
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 7d9e071..7af60ec 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -731,9 +731,22 @@ static void wait_barrier(struct r1conf *conf)
 	spin_lock_irq(&conf->resync_lock);
 	if (conf->barrier) {
 		conf->nr_waiting++;
-		wait_event_lock_irq(conf->wait_barrier, !conf->barrier,
+		/* Wait for the barrier to drop.
+		 * However if there are already pending
+		 * requests (preventing the barrier from
+		 * rising completely), and the
+		 * pre-process bio queue isn't empty,
+		 * then don't wait, as we need to empty
+		 * that queue to get the nr_pending
+		 * count down.
+		 */
+		wait_event_lock_irq(conf->wait_barrier,
+				    !conf->barrier ||
+				    (conf->nr_pending &&
+				     current->bio_list &&
+				     !bio_list_empty(current->bio_list)),
 				    conf->resync_lock,
-				    );
+			);
 		conf->nr_waiting--;
 	}
 	conf->nr_pending++;
diff --git a/drivers/md/raid10.c b/drivers/md/raid10.c
index 685ddf3..b219449 100644
--- a/drivers/md/raid10.c
+++ b/drivers/md/raid10.c
@@ -790,9 +790,22 @@ static void wait_barrier(struct r10conf *conf)
 	spin_lock_irq(&conf->resync_lock);
 	if (conf->barrier) {
 		conf->nr_waiting++;
-		wait_event_lock_irq(conf->wait_barrier, !conf->barrier,
+		/* Wait for the barrier to drop.
+		 * However if there are already pending
+		 * requests (preventing the barrier from
+		 * rising completely), and the
+		 * pre-process bio queue isn't empty,
+		 * then don't wait, as we need to empty
+		 * that queue to get the nr_pending
+		 * count down.
+		 */
+		wait_event_lock_irq(conf->wait_barrier,
+				    !conf->barrier ||
+				    (conf->nr_pending &&
+				     current->bio_list &&
+				     !bio_list_empty(current->bio_list)),
 				    conf->resync_lock,
-				    );
+			);
 		conf->nr_waiting--;
 	}
 	conf->nr_pending++;
diff --git a/drivers/media/dvb/dvb-usb/mxl111sf.c b/drivers/media/dvb/dvb-usb/mxl111sf.c
index b5c98da..bc6ea9f 100644
--- a/drivers/media/dvb/dvb-usb/mxl111sf.c
+++ b/drivers/media/dvb/dvb-usb/mxl111sf.c
@@ -351,15 +351,13 @@ static int mxl111sf_ep6_streaming_ctrl(struct dvb_usb_adapter *adap, int onoff)
 					      adap_state->ep6_clockphase,
 					      0, 0);
 		mxl_fail(ret);
+#if 0
 	} else {
 		ret = mxl111sf_disable_656_port(state);
 		mxl_fail(ret);
+#endif
 	}
 
-	mxl111sf_read_reg(state, 0x12, &tmp);
-	tmp &= ~0x04;
-	mxl111sf_write_reg(state, 0x12, tmp);
-
 	return ret;
 }
 
diff --git a/drivers/media/dvb/frontends/lgdt330x.c b/drivers/media/dvb/frontends/lgdt330x.c
index 43971e6..aa63d68 100644
--- a/drivers/media/dvb/frontends/lgdt330x.c
+++ b/drivers/media/dvb/frontends/lgdt330x.c
@@ -104,8 +104,8 @@ static int i2c_write_demod_bytes (struct lgdt330x_state* state,
  * then reads the data returned for (len) bytes.
  */
 
-static u8 i2c_read_demod_bytes (struct lgdt330x_state* state,
-			       enum I2C_REG reg, u8* buf, int len)
+static int i2c_read_demod_bytes(struct lgdt330x_state *state,
+				enum I2C_REG reg, u8 *buf, int len)
 {
 	u8 wr [] = { reg };
 	struct i2c_msg msg [] = {
@@ -118,6 +118,8 @@ static u8 i2c_read_demod_bytes (struct lgdt330x_state* state,
 	ret = i2c_transfer(state->i2c, msg, 2);
 	if (ret != 2) {
 		printk(KERN_WARNING "lgdt330x: %s: addr 0x%02x select 0x%02x error (ret == %i)\n", __func__, state->config->demod_address, reg, ret);
+		if (ret >= 0)
+			ret = -EIO;
 	} else {
 		ret = 0;
 	}
diff --git a/drivers/media/video/pvrusb2/pvrusb2-devattr.c b/drivers/media/video/pvrusb2/pvrusb2-devattr.c
index c6da8f7..d8c8982 100644
--- a/drivers/media/video/pvrusb2/pvrusb2-devattr.c
+++ b/drivers/media/video/pvrusb2/pvrusb2-devattr.c
@@ -320,7 +320,17 @@ static struct tda829x_config tda829x_no_probe = {
 	.probe_tuner = TDA829X_DONT_PROBE,
 };
 
+static struct tda18271_std_map hauppauge_tda18271_dvbt_std_map = {
+        .dvbt_6   = { .if_freq = 3300, .agc_mode = 3, .std = 4,
+                      .if_lvl = 1, .rfagc_top = 0x37, },
+        .dvbt_7   = { .if_freq = 3800, .agc_mode = 3, .std = 5,
+                      .if_lvl = 1, .rfagc_top = 0x37, },
+        .dvbt_8   = { .if_freq = 4300, .agc_mode = 3, .std = 6,
+                      .if_lvl = 1, .rfagc_top = 0x37, },
+};
+
 static struct tda18271_config hauppauge_tda18271_dvb_config = {
+	.std_map = &hauppauge_tda18271_dvbt_std_map,
 	.gate    = TDA18271_GATE_ANALOG,
 	.output_opt = TDA18271_OUTPUT_LT_OFF,
 };
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 0cb17d9..b99318e 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -1174,7 +1174,7 @@ struct ubi_scan_info *ubi_scan(struct ubi_device *ubi)
 
 	ech = kzalloc(ubi->ec_hdr_alsize, GFP_KERNEL);
 	if (!ech)
-		goto out_slab;
+		goto out_si;
 
 	vidh = ubi_zalloc_vid_hdr(ubi, GFP_KERNEL);
 	if (!vidh)
@@ -1235,8 +1235,6 @@ out_vidh:
 	ubi_free_vid_hdr(ubi, vidh);
 out_ech:
 	kfree(ech);
-out_slab:
-	kmem_cache_destroy(si->scan_leb_slab);
 out_si:
 	ubi_scan_destroy_si(si);
 	return ERR_PTR(err);
@@ -1325,7 +1323,9 @@ void ubi_scan_destroy_si(struct ubi_scan_info *si)
 		}
 	}
 
-	kmem_cache_destroy(si->scan_leb_slab);
+	if (si->scan_leb_slab)
+		kmem_cache_destroy(si->scan_leb_slab);
+
 	kfree(si);
 }
 
diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c
index 0696e36..cf42971 100644
--- a/drivers/mtd/ubi/wl.c
+++ b/drivers/mtd/ubi/wl.c
@@ -389,7 +389,7 @@ static struct ubi_wl_entry *find_wl_entry(struct rb_root *root, int max)
  */
 int ubi_wl_get_peb(struct ubi_device *ubi, int dtype)
 {
-	int err, medium_ec;
+	int err;
 	struct ubi_wl_entry *e, *first, *last;
 
 	ubi_assert(dtype == UBI_LONGTERM || dtype == UBI_SHORTTERM ||
@@ -427,7 +427,7 @@ retry:
 		 * For unknown data we pick a physical eraseblock with medium
 		 * erase counter. But we by no means can pick a physical
 		 * eraseblock with erase counter greater or equivalent than the
-		 * lowest erase counter plus %WL_FREE_MAX_DIFF.
+		 * lowest erase counter plus %WL_FREE_MAX_DIFF/2.
 		 */
 		first = rb_entry(rb_first(&ubi->free), struct ubi_wl_entry,
 					u.rb);
@@ -436,10 +436,8 @@ retry:
 		if (last->ec - first->ec < WL_FREE_MAX_DIFF)
 			e = rb_entry(ubi->free.rb_node,
 					struct ubi_wl_entry, u.rb);
-		else {
-			medium_ec = (first->ec + WL_FREE_MAX_DIFF)/2;
-			e = find_wl_entry(&ubi->free, medium_ec);
-		}
+		else
+			e = find_wl_entry(&ubi->free, WL_FREE_MAX_DIFF/2);
 		break;
 	case UBI_SHORTTERM:
 		/*
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 9fe18d1..f478a22 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -309,6 +309,7 @@ struct e1000_adapter {
 	u32 txd_cmd;
 
 	bool detect_tx_hung;
+	bool tx_hang_recheck;
 	u8 tx_timeout_factor;
 
 	u32 tx_int_delay;
diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
index a855db1..4e933d1 100644
--- a/drivers/net/ethernet/intel/e1000e/netdev.c
+++ b/drivers/net/ethernet/intel/e1000e/netdev.c
@@ -1030,6 +1030,7 @@ static void e1000_print_hw_hang(struct work_struct *work)
 	struct e1000_adapter *adapter = container_of(work,
 	                                             struct e1000_adapter,
 	                                             print_hang_task);
+	struct net_device *netdev = adapter->netdev;
 	struct e1000_ring *tx_ring = adapter->tx_ring;
 	unsigned int i = tx_ring->next_to_clean;
 	unsigned int eop = tx_ring->buffer_info[i].next_to_watch;
@@ -1041,6 +1042,21 @@ static void e1000_print_hw_hang(struct work_struct *work)
 	if (test_bit(__E1000_DOWN, &adapter->state))
 		return;
 
+	if (!adapter->tx_hang_recheck &&
+	    (adapter->flags2 & FLAG2_DMA_BURST)) {
+		/* May be block on write-back, flush and detect again
+		 * flush pending descriptor writebacks to memory
+		 */
+		ew32(TIDV, adapter->tx_int_delay | E1000_TIDV_FPD);
+		/* execute the writes immediately */
+		e1e_flush();
+		adapter->tx_hang_recheck = true;
+		return;
+	}
+	/* Real hang detected */
+	adapter->tx_hang_recheck = false;
+	netif_stop_queue(netdev);
+
 	e1e_rphy(hw, PHY_STATUS, &phy_status);
 	e1e_rphy(hw, PHY_1000T_STATUS, &phy_1000t_status);
 	e1e_rphy(hw, PHY_EXT_STATUS, &phy_ext_status);
@@ -1154,10 +1170,10 @@ static bool e1000_clean_tx_irq(struct e1000_adapter *adapter)
 		if (tx_ring->buffer_info[i].time_stamp &&
 		    time_after(jiffies, tx_ring->buffer_info[i].time_stamp
 			       + (adapter->tx_timeout_factor * HZ)) &&
-		    !(er32(STATUS) & E1000_STATUS_TXOFF)) {
+		    !(er32(STATUS) & E1000_STATUS_TXOFF))
 			schedule_work(&adapter->print_hang_task);
-			netif_stop_queue(netdev);
-		}
+		else
+			adapter->tx_hang_recheck = false;
 	}
 	adapter->total_tx_bytes += total_tx_bytes;
 	adapter->total_tx_packets += total_tx_packets;
@@ -3782,6 +3798,7 @@ static int e1000_open(struct net_device *netdev)
 
 	e1000_irq_enable(adapter);
 
+	adapter->tx_hang_recheck = false;
 	netif_start_queue(netdev);
 
 	adapter->idle_check = true;
diff --git a/drivers/net/ethernet/marvell/sky2.c b/drivers/net/ethernet/marvell/sky2.c
index 7803efa..f612b35 100644
--- a/drivers/net/ethernet/marvell/sky2.c
+++ b/drivers/net/ethernet/marvell/sky2.c
@@ -95,6 +95,10 @@ static int disable_msi = 0;
 module_param(disable_msi, int, 0);
 MODULE_PARM_DESC(disable_msi, "Disable Message Signaled Interrupt (MSI)");
 
+static int legacy_pme = 0;
+module_param(legacy_pme, int, 0);
+MODULE_PARM_DESC(legacy_pme, "Legacy power management");
+
 static DEFINE_PCI_DEVICE_TABLE(sky2_id_table) = {
 	{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9000) }, /* SK-9Sxx */
 	{ PCI_DEVICE(PCI_VENDOR_ID_SYSKONNECT, 0x9E00) }, /* SK-9Exx */
@@ -867,6 +871,13 @@ static void sky2_wol_init(struct sky2_port *sky2)
 	/* Disable PiG firmware */
 	sky2_write16(hw, B0_CTST, Y2_HW_WOL_OFF);
 
+	/* Needed by some broken BIOSes, use PCI rather than PCI-e for WOL */
+	if (legacy_pme) {
+		u32 reg1 = sky2_pci_read32(hw, PCI_DEV_REG1);
+		reg1 |= PCI_Y2_PME_LEGACY;
+		sky2_pci_write32(hw, PCI_DEV_REG1, reg1);
+	}
+
 	/* block receiver */
 	sky2_write8(hw, SK_REG(port, RX_GMF_CTRL_T), GMF_RST_SET);
 	sky2_read32(hw, B0_CTST);
diff --git a/drivers/net/usb/usbnet.c b/drivers/net/usb/usbnet.c
index 81b96e3..750e330 100644
--- a/drivers/net/usb/usbnet.c
+++ b/drivers/net/usb/usbnet.c
@@ -589,6 +589,14 @@ static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
 		entry = (struct skb_data *) skb->cb;
 		urb = entry->urb;
 
+		/*
+		 * Get reference count of the URB to avoid it to be
+		 * freed during usb_unlink_urb, which may trigger
+		 * use-after-free problem inside usb_unlink_urb since
+		 * usb_unlink_urb is always racing with .complete
+		 * handler(include defer_bh).
+		 */
+		usb_get_urb(urb);
 		spin_unlock_irqrestore(&q->lock, flags);
 		// during some PM-driven resume scenarios,
 		// these (async) unlinks complete immediately
@@ -597,6 +605,7 @@ static int unlink_urbs (struct usbnet *dev, struct sk_buff_head *q)
 			netdev_dbg(dev->net, "unlink urb err, %d\n", retval);
 		else
 			count++;
+		usb_put_urb(urb);
 		spin_lock_irqsave(&q->lock, flags);
 	}
 	spin_unlock_irqrestore (&q->lock, flags);
@@ -1028,7 +1037,6 @@ static void tx_complete (struct urb *urb)
 	}
 
 	usb_autopm_put_interface_async(dev->intf);
-	urb->dev = NULL;
 	entry->state = tx_done;
 	defer_bh(dev, skb, &dev->txq);
 }
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index fcf5416..3d75d4c 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1787,20 +1787,10 @@ void iwl_bg_watchdog(unsigned long data)
 	if (timeout == 0)
 		return;
 
-	/* monitor and check for stuck cmd queue */
-	if (iwl_check_stuck_queue(priv, priv->shrd->cmd_queue))
-		return;
-
-	/* monitor and check for other stuck queues */
-	if (iwl_is_any_associated(priv)) {
-		for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++) {
-			/* skip as we already checked the command queue */
-			if (cnt == priv->shrd->cmd_queue)
-				continue;
-			if (iwl_check_stuck_queue(priv, cnt))
-				return;
-		}
-	}
+	/* monitor and check for stuck queues */
+	for (cnt = 0; cnt < hw_params(priv).max_txq_num; cnt++)
+		if (iwl_check_stuck_queue(priv, cnt))
+			return;
 
 	mod_timer(&priv->watchdog, jiffies +
 		  msecs_to_jiffies(IWL_WD_TICK(timeout)));
diff --git a/drivers/net/wireless/p54/p54spi.c b/drivers/net/wireless/p54/p54spi.c
index 78d0d69..428401b 100644
--- a/drivers/net/wireless/p54/p54spi.c
+++ b/drivers/net/wireless/p54/p54spi.c
@@ -622,19 +622,19 @@ static int __devinit p54spi_probe(struct spi_device *spi)
 	ret = spi_setup(spi);
 	if (ret < 0) {
 		dev_err(&priv->spi->dev, "spi_setup failed");
-		goto err_free_common;
+		goto err_free;
 	}
 
 	ret = gpio_request(p54spi_gpio_power, "p54spi power");
 	if (ret < 0) {
 		dev_err(&priv->spi->dev, "power GPIO request failed: %d", ret);
-		goto err_free_common;
+		goto err_free;
 	}
 
 	ret = gpio_request(p54spi_gpio_irq, "p54spi irq");
 	if (ret < 0) {
 		dev_err(&priv->spi->dev, "irq GPIO request failed: %d", ret);
-		goto err_free_common;
+		goto err_free_gpio_power;
 	}
 
 	gpio_direction_output(p54spi_gpio_power, 0);
@@ -645,7 +645,7 @@ static int __devinit p54spi_probe(struct spi_device *spi)
 			  priv->spi);
 	if (ret < 0) {
 		dev_err(&priv->spi->dev, "request_irq() failed");
-		goto err_free_common;
+		goto err_free_gpio_irq;
 	}
 
 	irq_set_irq_type(gpio_to_irq(p54spi_gpio_irq), IRQ_TYPE_EDGE_RISING);
@@ -677,6 +677,12 @@ static int __devinit p54spi_probe(struct spi_device *spi)
 	return 0;
 
 err_free_common:
+	free_irq(gpio_to_irq(p54spi_gpio_irq), spi);
+err_free_gpio_irq:
+	gpio_free(p54spi_gpio_irq);
+err_free_gpio_power:
+	gpio_free(p54spi_gpio_power);
+err_free:
 	p54_free_common(priv->hw);
 	return ret;
 }
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 3265b34..cb71e88 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -935,6 +935,7 @@ static struct usb_device_id rt2800usb_device_table[] = {
 	{ USB_DEVICE(0x07d1, 0x3c0f) },
 	{ USB_DEVICE(0x07d1, 0x3c11) },
 	{ USB_DEVICE(0x07d1, 0x3c16) },
+	{ USB_DEVICE(0x2001, 0x3c1b) },
 	/* Draytek */
 	{ USB_DEVICE(0x07fa, 0x7712) },
 	/* DVICO */
diff --git a/drivers/net/wireless/rtlwifi/pci.c b/drivers/net/wireless/rtlwifi/pci.c
index eb61061..9afcad3 100644
--- a/drivers/net/wireless/rtlwifi/pci.c
+++ b/drivers/net/wireless/rtlwifi/pci.c
@@ -657,6 +657,8 @@ static void _rtl_receive_one(struct ieee80211_hw *hw, struct sk_buff *skb,
 		return;
 
 	uskb = dev_alloc_skb(skb->len + 128);
+	if (!uskb)
+		return;		/* exit if allocation failed */
 	memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status, sizeof(rx_status));
 	pdata = (u8 *)skb_put(uskb, skb->len);
 	memcpy(pdata, skb->data, skb->len);
@@ -1153,10 +1155,12 @@ static void _rtl_pci_free_tx_ring(struct ieee80211_hw *hw,
 		ring->idx = (ring->idx + 1) % ring->entries;
 	}
 
-	pci_free_consistent(rtlpci->pdev,
-			    sizeof(*ring->desc) * ring->entries,
-			    ring->desc, ring->dma);
-	ring->desc = NULL;
+	if (ring->desc) {
+		pci_free_consistent(rtlpci->pdev,
+				    sizeof(*ring->desc) * ring->entries,
+				    ring->desc, ring->dma);
+		ring->desc = NULL;
+	}
 }
 
 static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci)
@@ -1180,12 +1184,14 @@ static void _rtl_pci_free_rx_ring(struct rtl_pci *rtlpci)
 			kfree_skb(skb);
 		}
 
-		pci_free_consistent(rtlpci->pdev,
+		if (rtlpci->rx_ring[rx_queue_idx].desc) {
+			pci_free_consistent(rtlpci->pdev,
 				    sizeof(*rtlpci->rx_ring[rx_queue_idx].
 					   desc) * rtlpci->rxringcount,
 				    rtlpci->rx_ring[rx_queue_idx].desc,
 				    rtlpci->rx_ring[rx_queue_idx].dma);
-		rtlpci->rx_ring[rx_queue_idx].desc = NULL;
+			rtlpci->rx_ring[rx_queue_idx].desc = NULL;
+		}
 	}
 }
 
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
index 72a98ca..a004ad7 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/dm_common.c
@@ -524,6 +524,10 @@ void rtl92c_dm_write_dig(struct ieee80211_hw *hw)
 		  dm_digtable.cur_igvalue, dm_digtable.pre_igvalue,
 		  dm_digtable.backoff_val));
 
+	dm_digtable.cur_igvalue += 2;
+	if (dm_digtable.cur_igvalue > 0x3f)
+		dm_digtable.cur_igvalue = 0x3f;
+
 	if (dm_digtable.pre_igvalue != dm_digtable.cur_igvalue) {
 		rtl_set_bbreg(hw, ROFDM0_XAAGCCORE1, 0x7f,
 			      dm_digtable.cur_igvalue);
@@ -1219,13 +1223,18 @@ static void rtl92c_dm_refresh_rate_adaptive_mask(struct ieee80211_hw *hw)
 				 ("PreState = %d, CurState = %d\n",
 				  p_ra->pre_ratr_state, p_ra->ratr_state));
 
-			rcu_read_lock();
-			sta = ieee80211_find_sta(mac->vif, mac->bssid);
+			/* Only the PCI card uses sta in the update rate table
+			 * callback routine */
+			if (rtlhal->interface == INTF_PCI) {
+				rcu_read_lock();
+				sta = ieee80211_find_sta(mac->vif, mac->bssid);
+			}
 			rtlpriv->cfg->ops->update_rate_tbl(hw, sta,
 					p_ra->ratr_state);
 
 			p_ra->pre_ratr_state = p_ra->ratr_state;
-			rcu_read_unlock();
+			if (rtlhal->interface == INTF_PCI)
+				rcu_read_unlock();
 		}
 	}
 }
diff --git a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
index 950c65a..13fc0f9 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192c/fw_common.c
@@ -752,6 +752,8 @@ void rtl92c_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool dl_finished)
 
 
 	skb = dev_alloc_skb(totalpacketlen);
+	if (!skb)
+		return;
 	memcpy((u8 *) skb_put(skb, totalpacketlen),
 	       &reserved_page_packet, totalpacketlen);
 
diff --git a/drivers/net/wireless/rtlwifi/rtl8192de/fw.c b/drivers/net/wireless/rtlwifi/rtl8192de/fw.c
index 82f060b..c44757f 100644
--- a/drivers/net/wireless/rtlwifi/rtl8192de/fw.c
+++ b/drivers/net/wireless/rtlwifi/rtl8192de/fw.c
@@ -763,12 +763,16 @@ void rtl92d_set_fw_rsvdpagepkt(struct ieee80211_hw *hw, bool dl_finished)
 		      "rtl92d_set_fw_rsvdpagepkt(): HW_VAR_SET_TX_CMD: ALL\n",
 		      u1RsvdPageLoc, 3);
 	skb = dev_alloc_skb(totalpacketlen);
-	memcpy((u8 *) skb_put(skb, totalpacketlen), &reserved_page_packet,
-		totalpacketlen);
-	rtstatus = _rtl92d_cmd_send_packet(hw, skb);
+	if (!skb) {
+		dlok = false;
+	} else {
+		memcpy((u8 *) skb_put(skb, totalpacketlen),
+			&reserved_page_packet, totalpacketlen);
+		rtstatus = _rtl92d_cmd_send_packet(hw, skb);
 
-	if (rtstatus)
-		dlok = true;
+		if (rtstatus)
+			dlok = true;
+	}
 	if (dlok) {
 		RT_TRACE(rtlpriv, COMP_POWER, DBG_LOUD,
 			("Set RSVD page location to Fw.\n"));
diff --git a/drivers/net/wireless/rtlwifi/usb.c b/drivers/net/wireless/rtlwifi/usb.c
index 54cb8a6..2b7bcc8 100644
--- a/drivers/net/wireless/rtlwifi/usb.c
+++ b/drivers/net/wireless/rtlwifi/usb.c
@@ -481,12 +481,14 @@ static void _rtl_usb_rx_process_noagg(struct ieee80211_hw *hw,
 			u8 *pdata;
 
 			uskb = dev_alloc_skb(skb->len + 128);
-			memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status,
-			       sizeof(rx_status));
-			pdata = (u8 *)skb_put(uskb, skb->len);
-			memcpy(pdata, skb->data, skb->len);
+			if (uskb) {	/* drop packet on allocation failure */
+				memcpy(IEEE80211_SKB_RXCB(uskb), &rx_status,
+				       sizeof(rx_status));
+				pdata = (u8 *)skb_put(uskb, skb->len);
+				memcpy(pdata, skb->data, skb->len);
+				ieee80211_rx_irqsafe(hw, uskb);
+			}
 			dev_kfree_skb_any(skb);
-			ieee80211_rx_irqsafe(hw, uskb);
 		} else {
 			dev_kfree_skb_any(skb);
 		}
diff --git a/drivers/pci/pcie/aspm.c b/drivers/pci/pcie/aspm.c
index 24f049e..2275162 100644
--- a/drivers/pci/pcie/aspm.c
+++ b/drivers/pci/pcie/aspm.c
@@ -500,9 +500,6 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
 	int pos;
 	u32 reg32;
 
-	if (aspm_disabled)
-		return 0;
-
 	/*
 	 * Some functions in a slot might not all be PCIe functions,
 	 * very strange. Disable ASPM for the whole slot
@@ -511,6 +508,16 @@ static int pcie_aspm_sanity_check(struct pci_dev *pdev)
 		pos = pci_pcie_cap(child);
 		if (!pos)
 			return -EINVAL;
+
+		/*
+		 * If ASPM is disabled then we're not going to change
+		 * the BIOS state. It's safe to continue even if it's a
+		 * pre-1.1 device
+		 */
+
+		if (aspm_disabled)
+			continue;
+
 		/*
 		 * Disable ASPM for pre-1.1 PCIe device, we follow MS to use
 		 * RBER bit to determine if a function is 1.1 version device
diff --git a/drivers/rtc/interface.c b/drivers/rtc/interface.c
index 8a1c031..565742b 100644
--- a/drivers/rtc/interface.c
+++ b/drivers/rtc/interface.c
@@ -445,6 +445,11 @@ int rtc_update_irq_enable(struct rtc_device *rtc, unsigned int enabled)
 	if (rtc->uie_rtctimer.enabled == enabled)
 		goto out;
 
+	if (rtc->uie_unsupported) {
+		err = -EINVAL;
+		goto out;
+	}
+
 	if (enabled) {
 		struct rtc_time tm;
 		ktime_t now, onesec;
@@ -763,6 +768,14 @@ static int rtc_timer_enqueue(struct rtc_device *rtc, struct rtc_timer *timer)
 	return 0;
 }
 
+static void rtc_alarm_disable(struct rtc_device *rtc)
+{
+	if (!rtc->ops || !rtc->ops->alarm_irq_enable)
+		return;
+
+	rtc->ops->alarm_irq_enable(rtc->dev.parent, false);
+}
+
 /**
  * rtc_timer_remove - Removes a rtc_timer from the rtc_device timerqueue
  * @rtc rtc device
@@ -784,8 +797,10 @@ static void rtc_timer_remove(struct rtc_device *rtc, struct rtc_timer *timer)
 		struct rtc_wkalrm alarm;
 		int err;
 		next = timerqueue_getnext(&rtc->timerqueue);
-		if (!next)
+		if (!next) {
+			rtc_alarm_disable(rtc);
 			return;
+		}
 		alarm.time = rtc_ktime_to_tm(next->expires);
 		alarm.enabled = 1;
 		err = __rtc_set_alarm(rtc, &alarm);
@@ -847,7 +862,8 @@ again:
 		err = __rtc_set_alarm(rtc, &alarm);
 		if (err == -ETIME)
 			goto again;
-	}
+	} else
+		rtc_alarm_disable(rtc);
 
 	mutex_unlock(&rtc->ops_lock);
 }
diff --git a/drivers/rtc/rtc-mpc5121.c b/drivers/rtc/rtc-mpc5121.c
index da60915..0fc2d22 100644
--- a/drivers/rtc/rtc-mpc5121.c
+++ b/drivers/rtc/rtc-mpc5121.c
@@ -360,6 +360,8 @@ static int __devinit mpc5121_rtc_probe(struct platform_device *op)
 						&mpc5200_rtc_ops, THIS_MODULE);
 	}
 
+	rtc->rtc->uie_unsupported = 1;
+
 	if (IS_ERR(rtc->rtc)) {
 		err = PTR_ERR(rtc->rtc);
 		goto out_free_irq;
diff --git a/drivers/staging/rtl8712/Kconfig b/drivers/staging/rtl8712/Kconfig
index ea37473..6a43312 100644
--- a/drivers/staging/rtl8712/Kconfig
+++ b/drivers/staging/rtl8712/Kconfig
@@ -9,13 +9,6 @@ config R8712U
 	This option adds the Realtek RTL8712 USB device such as the D-Link DWA-130.
 	If built as a module, it will be called r8712u.
 
-config R8712_AP
-	bool "Realtek RTL8712U AP code"
-	depends on R8712U
-	default N
-	---help---
-	This option allows the Realtek RTL8712 USB device to be an Access Point.
-
 config R8712_TX_AGGR
 	bool "Realtek RTL8712U Transmit Aggregation code"
 	depends on R8712U && BROKEN
diff --git a/drivers/staging/rtl8712/os_intfs.c b/drivers/staging/rtl8712/os_intfs.c
index 98a3d68..fb11743 100644
--- a/drivers/staging/rtl8712/os_intfs.c
+++ b/drivers/staging/rtl8712/os_intfs.c
@@ -476,8 +476,6 @@ static int netdev_close(struct net_device *pnetdev)
 	r8712_free_assoc_resources(padapter);
 	/*s2-4.*/
 	r8712_free_network_queue(padapter);
-	/* The interface is no longer Up: */
-	padapter->bup = false;
 	release_firmware(padapter->fw);
 	/* never exit with a firmware callback pending */
 	wait_for_completion(&padapter->rtl8712_fw_ready);
diff --git a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
index 507584b8..ef35bc2 100644
--- a/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
+++ b/drivers/staging/rtl8712/rtl871x_ioctl_linux.c
@@ -2380,13 +2380,7 @@ static struct iw_statistics *r871x_get_wireless_stats(struct net_device *dev)
 		tmp_qual = padapter->recvpriv.signal;
 		tmp_noise = padapter->recvpriv.noise;
 		piwstats->qual.level = tmp_level;
-		/*piwstats->qual.qual = tmp_qual;
-		 * The NetworkManager of Fedora 10, 13 will use the link
-		 * quality for its display.
-		 * So, use the fw_rssi on link quality variable because
-		 * fw_rssi will be updated per 2 seconds.
-		 */
-		piwstats->qual.qual = tmp_level;
+		piwstats->qual.qual = tmp_qual;
 		piwstats->qual.noise = tmp_noise;
 	}
 	piwstats->qual.updated = IW_QUAL_ALL_UPDATED;
diff --git a/drivers/staging/rtl8712/rtl871x_sta_mgt.c b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
index 64f5696..1247b3d 100644
--- a/drivers/staging/rtl8712/rtl871x_sta_mgt.c
+++ b/drivers/staging/rtl8712/rtl871x_sta_mgt.c
@@ -42,9 +42,8 @@ static void _init_stainfo(struct sta_info *psta)
 	_init_listhead(&psta->hash_list);
 	_r8712_init_sta_xmit_priv(&psta->sta_xmitpriv);
 	_r8712_init_sta_recv_priv(&psta->sta_recvpriv);
-#ifdef CONFIG_R8712_AP
+	_init_listhead(&psta->asoc_list);
 	_init_listhead(&psta->auth_list);
-#endif
 }
 
 u32 _r8712_init_sta_priv(struct	sta_priv *pstapriv)
@@ -71,10 +70,8 @@ u32 _r8712_init_sta_priv(struct	sta_priv *pstapriv)
 				 get_list_head(&pstapriv->free_sta_queue));
 		psta++;
 	}
-#ifdef CONFIG_R8712_AP
 	_init_listhead(&pstapriv->asoc_list);
 	_init_listhead(&pstapriv->auth_list);
-#endif
 	return _SUCCESS;
 }
 
diff --git a/drivers/staging/rtl8712/sta_info.h b/drivers/staging/rtl8712/sta_info.h
index 48d6a14..f8016e9 100644
--- a/drivers/staging/rtl8712/sta_info.h
+++ b/drivers/staging/rtl8712/sta_info.h
@@ -90,7 +90,6 @@ struct sta_info {
 	 * curr_network(mlme_priv/security_priv/qos/ht) : AP CAP/INFO
 	 * sta_info: (AP & STA) CAP/INFO
 	 */
-#ifdef CONFIG_R8712_AP
 	struct list_head asoc_list;
 	struct list_head auth_list;
 	unsigned int expire_to;
@@ -98,7 +97,6 @@ struct sta_info {
 	unsigned int authalg;
 	unsigned char chg_txt[128];
 	unsigned int tx_ra_bitmap;
-#endif
 };
 
 struct	sta_priv {
@@ -111,13 +109,11 @@ struct	sta_priv {
 	struct  __queue sleep_q;
 	struct  __queue wakeup_q;
 	struct _adapter *padapter;
-#ifdef CONFIG_R8712_AP
 	struct list_head asoc_list;
 	struct list_head auth_list;
 	unsigned int auth_to;  /* sec, time to expire in authenticating. */
 	unsigned int assoc_to; /* sec, time to expire before associating. */
 	unsigned int expire_to; /* sec , time to expire after associated. */
-#endif
 };
 
 static inline u32 wifi_mac_hash(u8 *mac)
diff --git a/drivers/staging/zcache/zcache-main.c b/drivers/staging/zcache/zcache-main.c
index f5e469d..16ad9fe 100644
--- a/drivers/staging/zcache/zcache-main.c
+++ b/drivers/staging/zcache/zcache-main.c
@@ -299,10 +299,12 @@ static void zbud_free_and_delist(struct zbud_hdr *zh)
 	struct zbud_page *zbpg =
 		container_of(zh, struct zbud_page, buddy[budnum]);
 
+	spin_lock(&zbud_budlists_spinlock);
 	spin_lock(&zbpg->lock);
 	if (list_empty(&zbpg->bud_list)) {
 		/* ignore zombie page... see zbud_evict_pages() */
 		spin_unlock(&zbpg->lock);
+		spin_unlock(&zbud_budlists_spinlock);
 		return;
 	}
 	size = zbud_free(zh);
@@ -310,7 +312,6 @@ static void zbud_free_and_delist(struct zbud_hdr *zh)
 	zh_other = &zbpg->buddy[(budnum == 0) ? 1 : 0];
 	if (zh_other->size == 0) { /* was unbuddied: unlist and free */
 		chunks = zbud_size_to_chunks(size) ;
-		spin_lock(&zbud_budlists_spinlock);
 		BUG_ON(list_empty(&zbud_unbuddied[chunks].list));
 		list_del_init(&zbpg->bud_list);
 		zbud_unbuddied[chunks].count--;
@@ -318,7 +319,6 @@ static void zbud_free_and_delist(struct zbud_hdr *zh)
 		zbud_free_raw_page(zbpg);
 	} else { /* was buddied: move remaining buddy to unbuddied list */
 		chunks = zbud_size_to_chunks(zh_other->size) ;
-		spin_lock(&zbud_budlists_spinlock);
 		list_del_init(&zbpg->bud_list);
 		zcache_zbud_buddied_count--;
 		list_add_tail(&zbpg->bud_list, &zbud_unbuddied[chunks].list);
diff --git a/drivers/target/iscsi/iscsi_target.c b/drivers/target/iscsi/iscsi_target.c
index 03d3528..0842cc7 100644
--- a/drivers/target/iscsi/iscsi_target.c
+++ b/drivers/target/iscsi/iscsi_target.c
@@ -781,7 +781,7 @@ static int iscsit_alloc_buffs(struct iscsi_cmd *cmd)
 	struct scatterlist *sgl;
 	u32 length = cmd->se_cmd.data_length;
 	int nents = DIV_ROUND_UP(length, PAGE_SIZE);
-	int i = 0, ret;
+	int i = 0, j = 0, ret;
 	/*
 	 * If no SCSI payload is present, allocate the default iovecs used for
 	 * iSCSI PDU Header
@@ -822,17 +822,15 @@ static int iscsit_alloc_buffs(struct iscsi_cmd *cmd)
 	 */
         ret = iscsit_allocate_iovecs(cmd);
         if (ret < 0)
-		goto page_alloc_failed;
+		return -ENOMEM;
 
 	return 0;
 
 page_alloc_failed:
-	while (i >= 0) {
-		__free_page(sg_page(&sgl[i]));
-		i--;
-	}
-	kfree(cmd->t_mem_sg);
-	cmd->t_mem_sg = NULL;
+	while (j < i)
+		__free_page(sg_page(&sgl[j++]));
+
+	kfree(sgl);
 	return -ENOMEM;
 }
 
diff --git a/drivers/target/iscsi/iscsi_target_configfs.c b/drivers/target/iscsi/iscsi_target_configfs.c
index db32784..83dcf49 100644
--- a/drivers/target/iscsi/iscsi_target_configfs.c
+++ b/drivers/target/iscsi/iscsi_target_configfs.c
@@ -816,9 +816,6 @@ static struct se_node_acl *lio_target_make_nodeacl(
 	if (!se_nacl_new)
 		return ERR_PTR(-ENOMEM);
 
-	acl = container_of(se_nacl_new, struct iscsi_node_acl,
-				se_node_acl);
-
 	cmdsn_depth = ISCSI_TPG_ATTRIB(tpg)->default_cmdsn_depth;
 	/*
 	 * se_nacl_new may be released by core_tpg_add_initiator_node_acl()
@@ -829,7 +826,8 @@ static struct se_node_acl *lio_target_make_nodeacl(
 	if (IS_ERR(se_nacl))
 		return se_nacl;
 
-	stats_cg = &acl->se_node_acl.acl_fabric_stat_group;
+	acl = container_of(se_nacl, struct iscsi_node_acl, se_node_acl);
+	stats_cg = &se_nacl->acl_fabric_stat_group;
 
 	stats_cg->default_groups = kzalloc(sizeof(struct config_group) * 2,
 				GFP_KERNEL);
diff --git a/drivers/target/loopback/tcm_loop.c b/drivers/target/loopback/tcm_loop.c
index 81d5832..5d1d4f2 100644
--- a/drivers/target/loopback/tcm_loop.c
+++ b/drivers/target/loopback/tcm_loop.c
@@ -866,6 +866,9 @@ static int tcm_loop_queue_data_in(struct se_cmd *se_cmd)
 
 	sc->result = SAM_STAT_GOOD;
 	set_host_byte(sc, DID_OK);
+	if ((se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) ||
+	    (se_cmd->se_cmd_flags & SCF_UNDERFLOW_BIT))
+		scsi_set_resid(sc, se_cmd->residual_count);
 	sc->scsi_done(sc);
 	return 0;
 }
@@ -891,6 +894,9 @@ static int tcm_loop_queue_status(struct se_cmd *se_cmd)
 		sc->result = se_cmd->scsi_status;
 
 	set_host_byte(sc, DID_OK);
+	if ((se_cmd->se_cmd_flags & SCF_OVERFLOW_BIT) ||
+	    (se_cmd->se_cmd_flags & SCF_UNDERFLOW_BIT))
+		scsi_set_resid(sc, se_cmd->residual_count);
 	sc->scsi_done(sc);
 	return 0;
 }
diff --git a/drivers/target/target_core_alua.c b/drivers/target/target_core_alua.c
index 1d24512..5b05744 100644
--- a/drivers/target/target_core_alua.c
+++ b/drivers/target/target_core_alua.c
@@ -30,6 +30,7 @@
 #include <linux/export.h>
 #include <scsi/scsi.h>
 #include <scsi/scsi_cmnd.h>
+#include <asm/unaligned.h>
 
 #include <target/target_core_base.h>
 #include <target/target_core_device.h>
@@ -268,8 +269,7 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 		 * changed.
 		 */
 		if (primary) {
-			tg_pt_id = ((ptr[2] << 8) & 0xff);
-			tg_pt_id |= (ptr[3] & 0xff);
+			tg_pt_id = get_unaligned_be16(ptr + 2);
 			/*
 			 * Locate the matching target port group ID from
 			 * the global tg_pt_gp list
@@ -313,8 +313,7 @@ int target_emulate_set_target_port_groups(struct se_task *task)
 			 * the Target Port in question for the the incoming
 			 * SET_TARGET_PORT_GROUPS op.
 			 */
-			rtpi = ((ptr[2] << 8) & 0xff);
-			rtpi |= (ptr[3] & 0xff);
+			rtpi = get_unaligned_be16(ptr + 2);
 			/*
 			 * Locate the matching relative target port identifer
 			 * for the struct se_device storage object.
diff --git a/drivers/target/target_core_cdb.c b/drivers/target/target_core_cdb.c
index 8facd33..65ea65a 100644
--- a/drivers/target/target_core_cdb.c
+++ b/drivers/target/target_core_cdb.c
@@ -116,7 +116,7 @@ target_emulate_inquiry_std(struct se_cmd *cmd)
 		goto out;
 	}
 
-	buf[7] = 0x32; /* Sync=1 and CmdQue=1 */
+	buf[7] = 0x2; /* CmdQue=1 */
 
 	/*
 	 * Do not include vendor, product, reversion info in INQUIRY
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 19f8aca..f8773ae 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -658,7 +658,9 @@ int target_report_luns(struct se_task *se_task)
 	unsigned char *buf;
 	u32 cdb_offset = 0, lun_count = 0, offset = 8, i;
 
-	buf = (unsigned char *) transport_kmap_data_sg(se_cmd);
+	buf = transport_kmap_data_sg(se_cmd);
+	if (!buf)
+		return -ENOMEM;
 
 	/*
 	 * If no struct se_session pointer is present, this struct se_cmd is
@@ -696,12 +698,12 @@ int target_report_luns(struct se_task *se_task)
 	 * See SPC3 r07, page 159.
 	 */
 done:
-	transport_kunmap_data_sg(se_cmd);
 	lun_count *= 8;
 	buf[0] = ((lun_count >> 24) & 0xff);
 	buf[1] = ((lun_count >> 16) & 0xff);
 	buf[2] = ((lun_count >> 8) & 0xff);
 	buf[3] = (lun_count & 0xff);
+	transport_kunmap_data_sg(se_cmd);
 
 	se_task->task_scsi_status = GOOD;
 	transport_complete_task(se_task, 1);
diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index 71fc9ce..754b669 100644
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -329,10 +329,12 @@ static void ft_send_resp_status(struct fc_lport *lport,
 
 	fc_fill_reply_hdr(fp, rx_fp, FC_RCTL_DD_CMD_STATUS, 0);
 	sp = fr_seq(fp);
-	if (sp)
+	if (sp) {
 		lport->tt.seq_send(lport, sp, fp);
-	else
+		lport->tt.exch_done(sp);
+	} else {
 		lport->tt.frame_send(lport, fp);
+	}
 }
 
 /*
diff --git a/drivers/tty/moxa.c b/drivers/tty/moxa.c
index d15a071..0174d2d 100644
--- a/drivers/tty/moxa.c
+++ b/drivers/tty/moxa.c
@@ -1331,7 +1331,7 @@ static void moxa_start(struct tty_struct *tty)
 	if (ch == NULL)
 		return;
 
-	if (!(ch->statusflags & TXSTOPPED))
+	if (!test_bit(TXSTOPPED, &ch->statusflags))
 		return;
 
 	MoxaPortTxEnable(ch);
diff --git a/drivers/tty/serial/sh-sci.c b/drivers/tty/serial/sh-sci.c
index aff9d61..829e51a 100644
--- a/drivers/tty/serial/sh-sci.c
+++ b/drivers/tty/serial/sh-sci.c
@@ -1123,17 +1123,20 @@ static void sci_dma_tx_complete(void *arg)
 	port->icount.tx += sg_dma_len(&s->sg_tx);
 
 	async_tx_ack(s->desc_tx);
-	s->cookie_tx = -EINVAL;
 	s->desc_tx = NULL;
 
 	if (uart_circ_chars_pending(xmit) < WAKEUP_CHARS)
 		uart_write_wakeup(port);
 
 	if (!uart_circ_empty(xmit)) {
+		s->cookie_tx = 0;
 		schedule_work(&s->work_tx);
-	} else if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
-		u16 ctrl = sci_in(port, SCSCR);
-		sci_out(port, SCSCR, ctrl & ~SCSCR_TIE);
+	} else {
+		s->cookie_tx = -EINVAL;
+		if (port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
+			u16 ctrl = sci_in(port, SCSCR);
+			sci_out(port, SCSCR, ctrl & ~SCSCR_TIE);
+		}
 	}
 
 	spin_unlock_irqrestore(&port->lock, flags);
@@ -1395,8 +1398,10 @@ static void sci_start_tx(struct uart_port *port)
 	}
 
 	if (s->chan_tx && !uart_circ_empty(&s->port.state->xmit) &&
-	    s->cookie_tx < 0)
+	    s->cookie_tx < 0) {
+		s->cookie_tx = 0;
 		schedule_work(&s->work_tx);
+	}
 #endif
 
 	if (!s->chan_tx || port->type == PORT_SCIFA || port->type == PORT_SCIFB) {
diff --git a/drivers/tty/vt/consolemap.c b/drivers/tty/vt/consolemap.c
index 45d3e80..f343808 100644
--- a/drivers/tty/vt/consolemap.c
+++ b/drivers/tty/vt/consolemap.c
@@ -516,6 +516,7 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 	int err = 0, err1, i;
 	struct uni_pagedir *p, *q;
 
+	/* Save original vc_unipagdir_loc in case we allocate a new one */
 	p = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
 	if (p->readonly) return -EIO;
 	
@@ -528,26 +529,57 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 		err1 = con_clear_unimap(vc, NULL);
 		if (err1) return err1;
 		
+		/*
+		 * Since refcount was > 1, con_clear_unimap() allocated a
+		 * a new uni_pagedir for this vc.  Re: p != q
+		 */
 		q = (struct uni_pagedir *)*vc->vc_uni_pagedir_loc;
-		for (i = 0, l = 0; i < 32; i++)
+
+		/*
+		 * uni_pgdir is a 32*32*64 table with rows allocated
+		 * when its first entry is added.  The unicode value must
+		 * still be incremented for empty rows.  We are copying
+		 * entries from "p" (old) to "q" (new).
+		 */
+		l = 0;		/* unicode value */
+		for (i = 0; i < 32; i++)
 		if ((p1 = p->uni_pgdir[i]))
 			for (j = 0; j < 32; j++)
-			if ((p2 = p1[j]))
+			if ((p2 = p1[j])) {
 				for (k = 0; k < 64; k++, l++)
 				if (p2[k] != 0xffff) {
+					/*
+					 * Found one, copy entry for unicode
+					 * l with fontpos value p2[k].
+					 */
 					err1 = con_insert_unipair(q, l, p2[k]);
 					if (err1) {
 						p->refcount++;
 						*vc->vc_uni_pagedir_loc = (unsigned long)p;
 						con_release_unimap(q);
 						kfree(q);
-						return err1; 
+						return err1;
 					}
-              			}
-              	p = q;
-	} else if (p == dflt)
+				}
+			} else {
+				/* Account for row of 64 empty entries */
+				l += 64;
+			}
+		else
+			/* Account for empty table */
+			l += 32 * 64;
+
+		/*
+		 * Finished copying font table, set vc_uni_pagedir to new table
+		 */
+		p = q;
+	} else if (p == dflt) {
 		dflt = NULL;
-	
+	}
+
+	/*
+	 * Insert user specified unicode pairs into new table.
+	 */
 	while (ct--) {
 		unsigned short unicode, fontpos;
 		__get_user(unicode, &list->unicode);
@@ -557,11 +589,14 @@ int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
 		list++;
 	}
 	
+	/*
+	 * Merge with fontmaps of any other virtual consoles.
+	 */
 	if (con_unify_unimap(vc, p))
 		return err;
 
 	for (i = 0; i <= 3; i++)
-		set_inverse_transl(vc, p, i); /* Update all inverse translations */
+		set_inverse_transl(vc, p, i); /* Update inverse translations */
 	set_inverse_trans_unicode(vc, p);
   
 	return err;
diff --git a/drivers/usb/class/cdc-wdm.c b/drivers/usb/class/cdc-wdm.c
index fd4aee1..9eb71d8 100644
--- a/drivers/usb/class/cdc-wdm.c
+++ b/drivers/usb/class/cdc-wdm.c
@@ -397,7 +397,7 @@ outnl:
 static ssize_t wdm_read
 (struct file *file, char __user *buffer, size_t count, loff_t *ppos)
 {
-	int rv, cntr = 0;
+	int rv, cntr;
 	int i = 0;
 	struct wdm_device *desc = file->private_data;
 
@@ -406,7 +406,8 @@ static ssize_t wdm_read
 	if (rv < 0)
 		return -ERESTARTSYS;
 
-	if (desc->length == 0) {
+	cntr = ACCESS_ONCE(desc->length);
+	if (cntr == 0) {
 		desc->read = 0;
 retry:
 		if (test_bit(WDM_DISCONNECTING, &desc->flags)) {
@@ -456,26 +457,30 @@ retry:
 			spin_unlock_irq(&desc->iuspin);
 			goto retry;
 		}
-		clear_bit(WDM_READ, &desc->flags);
+		cntr = desc->length;
 		spin_unlock_irq(&desc->iuspin);
 	}
 
-	cntr = count > desc->length ? desc->length : count;
+	if (cntr > count)
+		cntr = count;
 	rv = copy_to_user(buffer, desc->ubuf, cntr);
 	if (rv > 0) {
 		rv = -EFAULT;
 		goto err;
 	}
 
+	spin_lock_irq(&desc->iuspin);
+
 	for (i = 0; i < desc->length - cntr; i++)
 		desc->ubuf[i] = desc->ubuf[i + cntr];
 
-	spin_lock_irq(&desc->iuspin);
 	desc->length -= cntr;
-	spin_unlock_irq(&desc->iuspin);
 	/* in case we had outstanding data */
 	if (!desc->length)
 		clear_bit(WDM_READ, &desc->flags);
+
+	spin_unlock_irq(&desc->iuspin);
+
 	rv = cntr;
 
 err:
diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 25dbd86..3700aa6 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -449,16 +449,16 @@ static int dwc3_gadget_ep_enable(struct usb_ep *ep,
 
 	switch (usb_endpoint_type(desc)) {
 	case USB_ENDPOINT_XFER_CONTROL:
-		strncat(dep->name, "-control", sizeof(dep->name));
+		strlcat(dep->name, "-control", sizeof(dep->name));
 		break;
 	case USB_ENDPOINT_XFER_ISOC:
-		strncat(dep->name, "-isoc", sizeof(dep->name));
+		strlcat(dep->name, "-isoc", sizeof(dep->name));
 		break;
 	case USB_ENDPOINT_XFER_BULK:
-		strncat(dep->name, "-bulk", sizeof(dep->name));
+		strlcat(dep->name, "-bulk", sizeof(dep->name));
 		break;
 	case USB_ENDPOINT_XFER_INT:
-		strncat(dep->name, "-int", sizeof(dep->name));
+		strlcat(dep->name, "-int", sizeof(dep->name));
 		break;
 	default:
 		dev_err(dwc->dev, "invalid endpoint transfer type\n");
@@ -1405,7 +1405,7 @@ static void dwc3_endpoint_transfer_complete(struct dwc3 *dwc,
 static void dwc3_gadget_start_isoc(struct dwc3 *dwc,
 		struct dwc3_ep *dep, const struct dwc3_event_depevt *event)
 {
-	u32 uf;
+	u32 uf, mask;
 
 	if (list_empty(&dep->request_list)) {
 		dev_vdbg(dwc->dev, "ISOC ep %s run out for requests.\n",
@@ -1413,16 +1413,10 @@ static void dwc3_gadget_start_isoc(struct dwc3 *dwc,
 		return;
 	}
 
-	if (event->parameters) {
-		u32 mask;
-
-		mask = ~(dep->interval - 1);
-		uf = event->parameters & mask;
-		/* 4 micro frames in the future */
-		uf += dep->interval * 4;
-	} else {
-		uf = 0;
-	}
+	mask = ~(dep->interval - 1);
+	uf = event->parameters & mask;
+	/* 4 micro frames in the future */
+	uf += dep->interval * 4;
 
 	__dwc3_gadget_kick_transfer(dep, uf, 1);
 }
diff --git a/drivers/usb/gadget/f_subset.c b/drivers/usb/gadget/f_subset.c
index c154064..21ab474 100644
--- a/drivers/usb/gadget/f_subset.c
+++ b/drivers/usb/gadget/f_subset.c
@@ -74,7 +74,7 @@ static inline struct f_gether *func_to_geth(struct usb_function *f)
 
 /* interface descriptor: */
 
-static struct usb_interface_descriptor subset_data_intf __initdata = {
+static struct usb_interface_descriptor subset_data_intf = {
 	.bLength =		sizeof subset_data_intf,
 	.bDescriptorType =	USB_DT_INTERFACE,
 
@@ -87,7 +87,7 @@ static struct usb_interface_descriptor subset_data_intf __initdata = {
 	/* .iInterface = DYNAMIC */
 };
 
-static struct usb_cdc_header_desc mdlm_header_desc __initdata = {
+static struct usb_cdc_header_desc mdlm_header_desc = {
 	.bLength =		sizeof mdlm_header_desc,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubType =	USB_CDC_HEADER_TYPE,
@@ -95,7 +95,7 @@ static struct usb_cdc_header_desc mdlm_header_desc __initdata = {
 	.bcdCDC =		cpu_to_le16(0x0110),
 };
 
-static struct usb_cdc_mdlm_desc mdlm_desc __initdata = {
+static struct usb_cdc_mdlm_desc mdlm_desc = {
 	.bLength =		sizeof mdlm_desc,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubType =	USB_CDC_MDLM_TYPE,
@@ -111,7 +111,7 @@ static struct usb_cdc_mdlm_desc mdlm_desc __initdata = {
  * can't really use its struct.  All we do here is say that we're using
  * the submode of "SAFE" which directly matches the CDC Subset.
  */
-static u8 mdlm_detail_desc[] __initdata = {
+static u8 mdlm_detail_desc[] = {
 	6,
 	USB_DT_CS_INTERFACE,
 	USB_CDC_MDLM_DETAIL_TYPE,
@@ -121,7 +121,7 @@ static u8 mdlm_detail_desc[] __initdata = {
 	0,	/* network data capabilities ("raw" encapsulation) */
 };
 
-static struct usb_cdc_ether_desc ether_desc __initdata = {
+static struct usb_cdc_ether_desc ether_desc = {
 	.bLength =		sizeof ether_desc,
 	.bDescriptorType =	USB_DT_CS_INTERFACE,
 	.bDescriptorSubType =	USB_CDC_ETHERNET_TYPE,
@@ -136,7 +136,7 @@ static struct usb_cdc_ether_desc ether_desc __initdata = {
 
 /* full speed support: */
 
-static struct usb_endpoint_descriptor fs_subset_in_desc __initdata = {
+static struct usb_endpoint_descriptor fs_subset_in_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -144,7 +144,7 @@ static struct usb_endpoint_descriptor fs_subset_in_desc __initdata = {
 	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
 };
 
-static struct usb_endpoint_descriptor fs_subset_out_desc __initdata = {
+static struct usb_endpoint_descriptor fs_subset_out_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -152,7 +152,7 @@ static struct usb_endpoint_descriptor fs_subset_out_desc __initdata = {
 	.bmAttributes =		USB_ENDPOINT_XFER_BULK,
 };
 
-static struct usb_descriptor_header *fs_eth_function[] __initdata = {
+static struct usb_descriptor_header *fs_eth_function[] = {
 	(struct usb_descriptor_header *) &subset_data_intf,
 	(struct usb_descriptor_header *) &mdlm_header_desc,
 	(struct usb_descriptor_header *) &mdlm_desc,
@@ -165,7 +165,7 @@ static struct usb_descriptor_header *fs_eth_function[] __initdata = {
 
 /* high speed support: */
 
-static struct usb_endpoint_descriptor hs_subset_in_desc __initdata = {
+static struct usb_endpoint_descriptor hs_subset_in_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -173,7 +173,7 @@ static struct usb_endpoint_descriptor hs_subset_in_desc __initdata = {
 	.wMaxPacketSize =	cpu_to_le16(512),
 };
 
-static struct usb_endpoint_descriptor hs_subset_out_desc __initdata = {
+static struct usb_endpoint_descriptor hs_subset_out_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -181,7 +181,7 @@ static struct usb_endpoint_descriptor hs_subset_out_desc __initdata = {
 	.wMaxPacketSize =	cpu_to_le16(512),
 };
 
-static struct usb_descriptor_header *hs_eth_function[] __initdata = {
+static struct usb_descriptor_header *hs_eth_function[] = {
 	(struct usb_descriptor_header *) &subset_data_intf,
 	(struct usb_descriptor_header *) &mdlm_header_desc,
 	(struct usb_descriptor_header *) &mdlm_desc,
@@ -194,7 +194,7 @@ static struct usb_descriptor_header *hs_eth_function[] __initdata = {
 
 /* super speed support: */
 
-static struct usb_endpoint_descriptor ss_subset_in_desc __initdata = {
+static struct usb_endpoint_descriptor ss_subset_in_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -202,7 +202,7 @@ static struct usb_endpoint_descriptor ss_subset_in_desc __initdata = {
 	.wMaxPacketSize =	cpu_to_le16(1024),
 };
 
-static struct usb_endpoint_descriptor ss_subset_out_desc __initdata = {
+static struct usb_endpoint_descriptor ss_subset_out_desc = {
 	.bLength =		USB_DT_ENDPOINT_SIZE,
 	.bDescriptorType =	USB_DT_ENDPOINT,
 
@@ -210,7 +210,7 @@ static struct usb_endpoint_descriptor ss_subset_out_desc __initdata = {
 	.wMaxPacketSize =	cpu_to_le16(1024),
 };
 
-static struct usb_ss_ep_comp_descriptor ss_subset_bulk_comp_desc __initdata = {
+static struct usb_ss_ep_comp_descriptor ss_subset_bulk_comp_desc = {
 	.bLength =		sizeof ss_subset_bulk_comp_desc,
 	.bDescriptorType =	USB_DT_SS_ENDPOINT_COMP,
 
@@ -219,7 +219,7 @@ static struct usb_ss_ep_comp_descriptor ss_subset_bulk_comp_desc __initdata = {
 	/* .bmAttributes =	0, */
 };
 
-static struct usb_descriptor_header *ss_eth_function[] __initdata = {
+static struct usb_descriptor_header *ss_eth_function[] = {
 	(struct usb_descriptor_header *) &subset_data_intf,
 	(struct usb_descriptor_header *) &mdlm_header_desc,
 	(struct usb_descriptor_header *) &mdlm_desc,
@@ -290,7 +290,7 @@ static void geth_disable(struct usb_function *f)
 
 /* serial function driver setup/binding */
 
-static int __init
+static int
 geth_bind(struct usb_configuration *c, struct usb_function *f)
 {
 	struct usb_composite_dev *cdev = c->cdev;
@@ -404,7 +404,7 @@ geth_unbind(struct usb_configuration *c, struct usb_function *f)
  * Caller must have called @gether_setup().  Caller is also responsible
  * for calling @gether_cleanup() before module unload.
  */
-int __init geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN])
+int geth_bind_config(struct usb_configuration *c, u8 ethaddr[ETH_ALEN])
 {
 	struct f_gether	*geth;
 	int		status;
diff --git a/drivers/usb/gadget/fsl_udc_core.c b/drivers/usb/gadget/fsl_udc_core.c
index dd28ef3..8e3e509 100644
--- a/drivers/usb/gadget/fsl_udc_core.c
+++ b/drivers/usb/gadget/fsl_udc_core.c
@@ -768,7 +768,7 @@ static void fsl_queue_td(struct fsl_ep *ep, struct fsl_req *req)
  * @is_last: return flag if it is the last dTD of the request
  * return: pointer to the built dTD */
 static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length,
-		dma_addr_t *dma, int *is_last)
+		dma_addr_t *dma, int *is_last, gfp_t gfp_flags)
 {
 	u32 swap_temp;
 	struct ep_td_struct *dtd;
@@ -777,7 +777,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length,
 	*length = min(req->req.length - req->req.actual,
 			(unsigned)EP_MAX_LENGTH_TRANSFER);
 
-	dtd = dma_pool_alloc(udc_controller->td_pool, GFP_KERNEL, dma);
+	dtd = dma_pool_alloc(udc_controller->td_pool, gfp_flags, dma);
 	if (dtd == NULL)
 		return dtd;
 
@@ -827,7 +827,7 @@ static struct ep_td_struct *fsl_build_dtd(struct fsl_req *req, unsigned *length,
 }
 
 /* Generate dtd chain for a request */
-static int fsl_req_to_dtd(struct fsl_req *req)
+static int fsl_req_to_dtd(struct fsl_req *req, gfp_t gfp_flags)
 {
 	unsigned	count;
 	int		is_last;
@@ -836,7 +836,7 @@ static int fsl_req_to_dtd(struct fsl_req *req)
 	dma_addr_t dma;
 
 	do {
-		dtd = fsl_build_dtd(req, &count, &dma, &is_last);
+		dtd = fsl_build_dtd(req, &count, &dma, &is_last, gfp_flags);
 		if (dtd == NULL)
 			return -ENOMEM;
 
@@ -910,13 +910,11 @@ fsl_ep_queue(struct usb_ep *_ep, struct usb_request *_req, gfp_t gfp_flags)
 	req->req.actual = 0;
 	req->dtd_count = 0;
 
-	spin_lock_irqsave(&udc->lock, flags);
-
 	/* build dtds and push them to device queue */
-	if (!fsl_req_to_dtd(req)) {
+	if (!fsl_req_to_dtd(req, gfp_flags)) {
+		spin_lock_irqsave(&udc->lock, flags);
 		fsl_queue_td(ep, req);
 	} else {
-		spin_unlock_irqrestore(&udc->lock, flags);
 		return -ENOMEM;
 	}
 
@@ -1295,7 +1293,7 @@ static int ep0_prime_status(struct fsl_udc *udc, int direction)
 			ep_is_in(ep) ? DMA_TO_DEVICE : DMA_FROM_DEVICE);
 	req->mapped = 1;
 
-	if (fsl_req_to_dtd(req) == 0)
+	if (fsl_req_to_dtd(req, GFP_ATOMIC) == 0)
 		fsl_queue_td(ep, req);
 	else
 		return -ENOMEM;
@@ -1379,7 +1377,7 @@ static void ch9getstatus(struct fsl_udc *udc, u8 request_type, u16 value,
 	req->mapped = 1;
 
 	/* prime the data phase */
-	if ((fsl_req_to_dtd(req) == 0))
+	if ((fsl_req_to_dtd(req, GFP_ATOMIC) == 0))
 		fsl_queue_td(ep, req);
 	else			/* no mem */
 		goto stall;
diff --git a/drivers/usb/gadget/hid.c b/drivers/usb/gadget/hid.c
index f888c3e..3493adf 100644
--- a/drivers/usb/gadget/hid.c
+++ b/drivers/usb/gadget/hid.c
@@ -60,9 +60,9 @@ static struct usb_device_descriptor device_desc = {
 	/* .bDeviceClass =		USB_CLASS_COMM, */
 	/* .bDeviceSubClass =	0, */
 	/* .bDeviceProtocol =	0, */
-	.bDeviceClass =		0xEF,
-	.bDeviceSubClass =	2,
-	.bDeviceProtocol =	1,
+	.bDeviceClass =		USB_CLASS_PER_INTERFACE,
+	.bDeviceSubClass =	0,
+	.bDeviceProtocol =	0,
 	/* .bMaxPacketSize0 = f(hardware) */
 
 	/* Vendor and product id can be overridden by module parameters.  */
diff --git a/drivers/usb/gadget/inode.c b/drivers/usb/gadget/inode.c
index 6ccae27..7138540 100644
--- a/drivers/usb/gadget/inode.c
+++ b/drivers/usb/gadget/inode.c
@@ -1043,6 +1043,8 @@ ep0_read (struct file *fd, char __user *buf, size_t len, loff_t *ptr)
 // FIXME don't call this with the spinlock held ...
 				if (copy_to_user (buf, dev->req->buf, len))
 					retval = -EFAULT;
+				else
+					retval = len;
 				clean_req (dev->gadget->ep0, dev->req);
 				/* NOTE userspace can't yet choose to stall */
 			}
diff --git a/drivers/usb/host/ehci-fsl.c b/drivers/usb/host/ehci-fsl.c
index b556a72..da487fd 100644
--- a/drivers/usb/host/ehci-fsl.c
+++ b/drivers/usb/host/ehci-fsl.c
@@ -216,6 +216,8 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
 			       unsigned int port_offset)
 {
 	u32 portsc;
+	struct usb_hcd *hcd = ehci_to_hcd(ehci);
+	void __iomem *non_ehci = hcd->regs;
 
 	portsc = ehci_readl(ehci, &ehci->regs->port_status[port_offset]);
 	portsc &= ~(PORT_PTS_MSK | PORT_PTS_PTW);
@@ -231,6 +233,8 @@ static void ehci_fsl_setup_phy(struct ehci_hcd *ehci,
 		portsc |= PORT_PTS_PTW;
 		/* fall through */
 	case FSL_USB2_PHY_UTMI:
+		/* enable UTMI PHY */
+		setbits32(non_ehci + FSL_SOC_USB_CTRL, CTRL_UTMI_PHY_EN);
 		portsc |= PORT_PTS_UTMI;
 		break;
 	case FSL_USB2_PHY_NONE:
diff --git a/drivers/usb/host/ehci-fsl.h b/drivers/usb/host/ehci-fsl.h
index 4918062..bea5013 100644
--- a/drivers/usb/host/ehci-fsl.h
+++ b/drivers/usb/host/ehci-fsl.h
@@ -45,5 +45,6 @@
 #define FSL_SOC_USB_PRICTRL	0x40c	/* NOTE: big-endian */
 #define FSL_SOC_USB_SICTRL	0x410	/* NOTE: big-endian */
 #define FSL_SOC_USB_CTRL	0x500	/* NOTE: big-endian */
+#define CTRL_UTMI_PHY_EN	(1<<9)
 #define SNOOP_SIZE_2GB		0x1e
 #endif				/* _EHCI_FSL_H */
diff --git a/drivers/usb/host/fsl-mph-dr-of.c b/drivers/usb/host/fsl-mph-dr-of.c
index 9037035..5a42cf0 100644
--- a/drivers/usb/host/fsl-mph-dr-of.c
+++ b/drivers/usb/host/fsl-mph-dr-of.c
@@ -94,7 +94,6 @@ struct platform_device * __devinit fsl_usb2_device_register(
 	pdev->dev.parent = &ofdev->dev;
 
 	pdev->dev.coherent_dma_mask = ofdev->dev.coherent_dma_mask;
-	pdev->dev.dma_mask = &pdev->archdata.dma_mask;
 	*pdev->dev.dma_mask = *ofdev->dev.dma_mask;
 
 	retval = platform_device_add_data(pdev, pdata, sizeof(*pdata));
diff --git a/drivers/usb/musb/musb_gadget.c b/drivers/usb/musb/musb_gadget.c
index 922148f..c860597 100644
--- a/drivers/usb/musb/musb_gadget.c
+++ b/drivers/usb/musb/musb_gadget.c
@@ -576,6 +576,15 @@ void musb_g_tx(struct musb *musb, u8 epnum)
 
 		if (request->actual == request->length) {
 			musb_g_giveback(musb_ep, request, 0);
+			/*
+			 * In the giveback function the MUSB lock is
+			 * released and acquired after sometime. During
+			 * this time period the INDEX register could get
+			 * changed by the gadget_queue function especially
+			 * on SMP systems. Reselect the INDEX to be sure
+			 * we are reading/modifying the right registers
+			 */
+			musb_ep_select(mbase, epnum);
 			req = musb_ep->desc ? next_request(musb_ep) : NULL;
 			if (!req) {
 				dev_dbg(musb->controller, "%s idle now\n",
@@ -985,6 +994,15 @@ void musb_g_rx(struct musb *musb, u8 epnum)
 		}
 #endif
 		musb_g_giveback(musb_ep, request, 0);
+		/*
+		 * In the giveback function the MUSB lock is
+		 * released and acquired after sometime. During
+		 * this time period the INDEX register could get
+		 * changed by the gadget_queue function especially
+		 * on SMP systems. Reselect the INDEX to be sure
+		 * we are reading/modifying the right registers
+		 */
+		musb_ep_select(mbase, epnum);
 
 		req = next_request(musb_ep);
 		if (!req)
diff --git a/drivers/usb/renesas_usbhs/mod_gadget.c b/drivers/usb/renesas_usbhs/mod_gadget.c
index 7f4e803..aa0d183 100644
--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -816,6 +816,11 @@ static int usbhsg_stop(struct usbhs_priv *priv)
 	return usbhsg_try_stop(priv, USBHSG_STATUS_STARTED);
 }
 
+static void usbhs_mod_gadget_release(struct device *pdev)
+{
+	/* do nothing */
+}
+
 int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 {
 	struct usbhsg_gpriv *gpriv;
@@ -864,6 +869,7 @@ int usbhs_mod_gadget_probe(struct usbhs_priv *priv)
 	 */
 	dev_set_name(&gpriv->gadget.dev, "gadget");
 	gpriv->gadget.dev.parent	= dev;
+	gpriv->gadget.dev.release	= usbhs_mod_gadget_release;
 	gpriv->gadget.name		= "renesas_usbhs_udc";
 	gpriv->gadget.ops		= &usbhsg_gadget_ops;
 	gpriv->gadget.is_dualspeed	= 1;
diff --git a/drivers/usb/serial/cp210x.c b/drivers/usb/serial/cp210x.c
index 33d25d4..4c12404 100644
--- a/drivers/usb/serial/cp210x.c
+++ b/drivers/usb/serial/cp210x.c
@@ -49,6 +49,7 @@ static int cp210x_tiocmset_port(struct usb_serial_port *port,
 		unsigned int, unsigned int);
 static void cp210x_break_ctl(struct tty_struct *, int);
 static int cp210x_startup(struct usb_serial *);
+static void cp210x_release(struct usb_serial *);
 static void cp210x_dtr_rts(struct usb_serial_port *p, int on);
 
 static int debug;
@@ -121,6 +122,8 @@ static const struct usb_device_id id_table[] = {
 	{ USB_DEVICE(0x10C4, 0x8665) }, /* AC-Services OBD-IF */
 	{ USB_DEVICE(0x10C4, 0xEA60) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA61) }, /* Silicon Labs factory default */
+	{ USB_DEVICE(0x10C4, 0xEA70) }, /* Silicon Labs factory default */
+	{ USB_DEVICE(0x10C4, 0xEA80) }, /* Silicon Labs factory default */
 	{ USB_DEVICE(0x10C4, 0xEA71) }, /* Infinity GPS-MIC-1 Radio Monophone */
 	{ USB_DEVICE(0x10C4, 0xF001) }, /* Elan Digital Systems USBscope50 */
 	{ USB_DEVICE(0x10C4, 0xF002) }, /* Elan Digital Systems USBwave12 */
@@ -149,6 +152,10 @@ static const struct usb_device_id id_table[] = {
 
 MODULE_DEVICE_TABLE(usb, id_table);
 
+struct cp210x_port_private {
+	__u8			bInterfaceNumber;
+};
+
 static struct usb_driver cp210x_driver = {
 	.name		= "cp210x",
 	.probe		= usb_serial_probe,
@@ -174,6 +181,7 @@ static struct usb_serial_driver cp210x_device = {
 	.tiocmget 		= cp210x_tiocmget,
 	.tiocmset		= cp210x_tiocmset,
 	.attach			= cp210x_startup,
+	.release		= cp210x_release,
 	.dtr_rts		= cp210x_dtr_rts
 };
 
@@ -261,6 +269,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
 		unsigned int *data, int size)
 {
 	struct usb_serial *serial = port->serial;
+	struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
 	__le32 *buf;
 	int result, i, length;
 
@@ -276,7 +285,7 @@ static int cp210x_get_config(struct usb_serial_port *port, u8 request,
 	/* Issue the request, attempting to read 'size' bytes */
 	result = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
 				request, REQTYPE_DEVICE_TO_HOST, 0x0000,
-				0, buf, size, 300);
+				port_priv->bInterfaceNumber, buf, size, 300);
 
 	/* Convert data into an array of integers */
 	for (i = 0; i < length; i++)
@@ -304,6 +313,7 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		unsigned int *data, int size)
 {
 	struct usb_serial *serial = port->serial;
+	struct cp210x_port_private *port_priv = usb_get_serial_port_data(port);
 	__le32 *buf;
 	int result, i, length;
 
@@ -325,12 +335,12 @@ static int cp210x_set_config(struct usb_serial_port *port, u8 request,
 		result = usb_control_msg(serial->dev,
 				usb_sndctrlpipe(serial->dev, 0),
 				request, REQTYPE_HOST_TO_DEVICE, 0x0000,
-				0, buf, size, 300);
+				port_priv->bInterfaceNumber, buf, size, 300);
 	} else {
 		result = usb_control_msg(serial->dev,
 				usb_sndctrlpipe(serial->dev, 0),
 				request, REQTYPE_HOST_TO_DEVICE, data[0],
-				0, NULL, 0, 300);
+				port_priv->bInterfaceNumber, NULL, 0, 300);
 	}
 
 	kfree(buf);
@@ -830,11 +840,39 @@ static void cp210x_break_ctl (struct tty_struct *tty, int break_state)
 
 static int cp210x_startup(struct usb_serial *serial)
 {
+	struct cp210x_port_private *port_priv;
+	int i;
+
 	/* cp210x buffers behave strangely unless device is reset */
 	usb_reset_device(serial->dev);
+
+	for (i = 0; i < serial->num_ports; i++) {
+		port_priv = kzalloc(sizeof(*port_priv), GFP_KERNEL);
+		if (!port_priv)
+			return -ENOMEM;
+
+		memset(port_priv, 0x00, sizeof(*port_priv));
+		port_priv->bInterfaceNumber =
+		    serial->interface->cur_altsetting->desc.bInterfaceNumber;
+
+		usb_set_serial_port_data(serial->port[i], port_priv);
+	}
+
 	return 0;
 }
 
+static void cp210x_release(struct usb_serial *serial)
+{
+	struct cp210x_port_private *port_priv;
+	int i;
+
+	for (i = 0; i < serial->num_ports; i++) {
+		port_priv = usb_get_serial_port_data(serial->port[i]);
+		kfree(port_priv);
+		usb_set_serial_port_data(serial->port[i], NULL);
+	}
+}
+
 static int __init cp210x_init(void)
 {
 	int retval;
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c
index f030471..f2c9ef7 100644
--- a/drivers/usb/serial/ftdi_sio.c
+++ b/drivers/usb/serial/ftdi_sio.c
@@ -188,6 +188,7 @@ static struct usb_device_id id_table_combined [] = {
 		.driver_info = (kernel_ulong_t)&ftdi_8u2232c_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_4232H_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_232H_PID) },
+	{ USB_DEVICE(FTDI_VID, FTDI_FTX_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_MICRO_CHAMELEON_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_RELAIS_PID) },
 	{ USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) },
@@ -536,6 +537,10 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_6_PID) },
 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_7_PID) },
 	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803_8_PID) },
+	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_1_PID) },
+	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_2_PID) },
+	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_3_PID) },
+	{ USB_DEVICE(SEALEVEL_VID, SEALEVEL_2803R_4_PID) },
 	{ USB_DEVICE(IDTECH_VID, IDTECH_IDT1221U_PID) },
 	{ USB_DEVICE(OCT_VID, OCT_US101_PID) },
 	{ USB_DEVICE(OCT_VID, OCT_DK201_PID) },
@@ -797,7 +802,7 @@ static struct usb_device_id id_table_combined [] = {
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
 	{ USB_DEVICE(ADI_VID, ADI_GNICEPLUS_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
-	{ USB_DEVICE(HORNBY_VID, HORNBY_ELITE_PID) },
+	{ USB_DEVICE(MICROCHIP_VID, MICROCHIP_USB_BOARD_PID) },
 	{ USB_DEVICE(JETI_VID, JETI_SPC1201_PID) },
 	{ USB_DEVICE(MARVELL_VID, MARVELL_SHEEVAPLUG_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
@@ -846,6 +851,9 @@ static struct usb_device_id id_table_combined [] = {
 	{ USB_DEVICE(ST_VID, ST_STMCLT1030_PID),
 		.driver_info = (kernel_ulong_t)&ftdi_stmclite_quirk },
 	{ USB_DEVICE(FTDI_VID, FTDI_RF_R106) },
+	{ USB_DEVICE(FTDI_VID, FTDI_DISTORTEC_JTAG_LOCK_PICK_PID),
+		.driver_info = (kernel_ulong_t)&ftdi_jtag_quirk },
+	{ USB_DEVICE(FTDI_VID, FTDI_LUMEL_PD12_PID) },
 	{ },					/* Optional parameter entry */
 	{ }					/* Terminating entry */
 };
@@ -868,7 +876,8 @@ static const char *ftdi_chip_name[] = {
 	[FT232RL] = "FT232RL",
 	[FT2232H] = "FT2232H",
 	[FT4232H] = "FT4232H",
-	[FT232H]  = "FT232H"
+	[FT232H]  = "FT232H",
+	[FTX]     = "FT-X"
 };
 
 
@@ -1169,7 +1178,8 @@ static __u32 get_ftdi_divisor(struct tty_struct *tty,
 		break;
 	case FT232BM: /* FT232BM chip */
 	case FT2232C: /* FT2232C chip */
-	case FT232RL:
+	case FT232RL: /* FT232RL chip */
+	case FTX:     /* FT-X series */
 		if (baud <= 3000000) {
 			__u16 product_id = le16_to_cpu(
 				port->serial->dev->descriptor.idProduct);
@@ -1458,10 +1468,14 @@ static void ftdi_determine_type(struct usb_serial_port *port)
 	} else if (version < 0x900) {
 		/* Assume it's an FT232RL */
 		priv->chip_type = FT232RL;
-	} else {
+	} else if (version < 0x1000) {
 		/* Assume it's an FT232H */
 		priv->chip_type = FT232H;
+	} else {
+		/* Assume it's an FT-X series device */
+		priv->chip_type = FTX;
 	}
+
 	dev_info(&udev->dev, "Detected %s\n", ftdi_chip_name[priv->chip_type]);
 }
 
@@ -1589,7 +1603,8 @@ static int create_sysfs_attrs(struct usb_serial_port *port)
 		     priv->chip_type == FT232RL ||
 		     priv->chip_type == FT2232H ||
 		     priv->chip_type == FT4232H ||
-		     priv->chip_type == FT232H)) {
+		     priv->chip_type == FT232H ||
+		     priv->chip_type == FTX)) {
 			retval = device_create_file(&port->dev,
 						    &dev_attr_latency_timer);
 		}
@@ -1611,7 +1626,8 @@ static void remove_sysfs_attrs(struct usb_serial_port *port)
 		    priv->chip_type == FT232RL ||
 		    priv->chip_type == FT2232H ||
 		    priv->chip_type == FT4232H ||
-                    priv->chip_type == FT232H) {
+		    priv->chip_type == FT232H ||
+		    priv->chip_type == FTX) {
 			device_remove_file(&port->dev, &dev_attr_latency_timer);
 		}
 	}
@@ -1763,7 +1779,8 @@ static int ftdi_8u2232c_probe(struct usb_serial *serial)
 
 	dbg("%s", __func__);
 
-	if (strcmp(udev->manufacturer, "CALAO Systems") == 0)
+	if ((udev->manufacturer && !strcmp(udev->manufacturer, "CALAO Systems")) ||
+	    (udev->product && !strcmp(udev->product, "BeagleBone/XDS100")))
 		return ftdi_jtag_probe(serial);
 
 	return 0;
@@ -2284,6 +2301,7 @@ static int ftdi_tiocmget(struct tty_struct *tty)
 	case FT2232H:
 	case FT4232H:
 	case FT232H:
+	case FTX:
 		len = 2;
 		break;
 	default:
diff --git a/drivers/usb/serial/ftdi_sio.h b/drivers/usb/serial/ftdi_sio.h
index 19584fa..ed58c6f 100644
--- a/drivers/usb/serial/ftdi_sio.h
+++ b/drivers/usb/serial/ftdi_sio.h
@@ -157,7 +157,8 @@ enum ftdi_chip_type {
 	FT232RL = 5,
 	FT2232H = 6,
 	FT4232H = 7,
-	FT232H  = 8
+	FT232H  = 8,
+	FTX     = 9,
 };
 
 enum ftdi_sio_baudrate {
diff --git a/drivers/usb/serial/ftdi_sio_ids.h b/drivers/usb/serial/ftdi_sio_ids.h
index 4eb7715..c6dd18e 100644
--- a/drivers/usb/serial/ftdi_sio_ids.h
+++ b/drivers/usb/serial/ftdi_sio_ids.h
@@ -23,12 +23,15 @@
 #define FTDI_8U2232C_PID 0x6010 /* Dual channel device */
 #define FTDI_4232H_PID 0x6011 /* Quad channel hi-speed device */
 #define FTDI_232H_PID  0x6014 /* Single channel hi-speed device */
+#define FTDI_FTX_PID   0x6015 /* FT-X series (FT201X, FT230X, FT231X, etc) */
 #define FTDI_SIO_PID	0x8372	/* Product Id SIO application of 8U100AX */
 #define FTDI_232RL_PID  0xFBFA  /* Product ID for FT232RL */
 
 
 /*** third-party PIDs (using FTDI_VID) ***/
 
+#define FTDI_LUMEL_PD12_PID	0x6002
+
 /*
  * Marvell OpenRD Base, Client
  * http://www.open-rd.org
@@ -97,6 +100,8 @@
 #define FTDI_TACTRIX_OPENPORT_13S_PID	0xCC49	/* OpenPort 1.3 Subaru */
 #define FTDI_TACTRIX_OPENPORT_13U_PID	0xCC4A	/* OpenPort 1.3 Universal */
 
+#define FTDI_DISTORTEC_JTAG_LOCK_PICK_PID	0xCFF8
+
 /* SCS HF Radio Modems PID's (http://www.scs-ptc.com) */
 /* the VID is the standard ftdi vid (FTDI_VID) */
 #define FTDI_SCS_DEVICE_0_PID 0xD010    /* SCS PTC-IIusb */
@@ -532,10 +537,14 @@
 #define ADI_GNICEPLUS_PID	0xF001
 
 /*
- * Hornby Elite
+ * Microchip Technology, Inc.
+ *
+ * MICROCHIP_VID (0x04D8) and MICROCHIP_USB_BOARD_PID (0x000A) are also used by:
+ * Hornby Elite - Digital Command Control Console
+ * http://www.hornby.com/hornby-dcc/controllers/
  */
-#define HORNBY_VID		0x04D8
-#define HORNBY_ELITE_PID	0x000A
+#define MICROCHIP_VID		0x04D8
+#define MICROCHIP_USB_BOARD_PID	0x000A /* CDC RS-232 Emulation Demo */
 
 /*
  * RATOC REX-USB60F
@@ -680,6 +689,10 @@
 #define SEALEVEL_2803_6_PID	0X2863	/* SeaLINK+8 (2803) Port 6 */
 #define SEALEVEL_2803_7_PID	0X2873	/* SeaLINK+8 (2803) Port 7 */
 #define SEALEVEL_2803_8_PID	0X2883	/* SeaLINK+8 (2803) Port 8 */
+#define SEALEVEL_2803R_1_PID	0Xa02a	/* SeaLINK+8 (2803-ROHS) Port 1+2 */
+#define SEALEVEL_2803R_2_PID	0Xa02b	/* SeaLINK+8 (2803-ROHS) Port 3+4 */
+#define SEALEVEL_2803R_3_PID	0Xa02c	/* SeaLINK+8 (2803-ROHS) Port 5+6 */
+#define SEALEVEL_2803R_4_PID	0Xa02d	/* SeaLINK+8 (2803-ROHS) Port 7+8 */
 
 /*
  * JETI SPECTROMETER SPECBOS 1201
diff --git a/drivers/usb/serial/generic.c b/drivers/usb/serial/generic.c
index e4db5ad..9f0b2bf 100644
--- a/drivers/usb/serial/generic.c
+++ b/drivers/usb/serial/generic.c
@@ -215,8 +215,10 @@ retry:
 	clear_bit(i, &port->write_urbs_free);
 	result = usb_submit_urb(urb, GFP_ATOMIC);
 	if (result) {
-		dev_err(&port->dev, "%s - error submitting urb: %d\n",
+		if (!port->port.console) {
+			dev_err(&port->dev, "%s - error submitting urb: %d\n",
 						__func__, result);
+		}
 		set_bit(i, &port->write_urbs_free);
 		spin_lock_irqsave(&port->lock, flags);
 		port->tx_bytes -= count;
diff --git a/drivers/usb/serial/mos7840.c b/drivers/usb/serial/mos7840.c
index c72abd5..5c7d654 100644
--- a/drivers/usb/serial/mos7840.c
+++ b/drivers/usb/serial/mos7840.c
@@ -174,6 +174,7 @@
 
 #define CLK_MULTI_REGISTER         ((__u16)(0x02))
 #define CLK_START_VALUE_REGISTER   ((__u16)(0x03))
+#define GPIO_REGISTER              ((__u16)(0x07))
 
 #define SERIAL_LCR_DLAB            ((__u16)(0x0080))
 
@@ -1103,14 +1104,25 @@ static int mos7840_open(struct tty_struct *tty, struct usb_serial_port *port)
 	mos7840_port->read_urb = port->read_urb;
 
 	/* set up our bulk in urb */
-
-	usb_fill_bulk_urb(mos7840_port->read_urb,
-			  serial->dev,
-			  usb_rcvbulkpipe(serial->dev,
-					  port->bulk_in_endpointAddress),
-			  port->bulk_in_buffer,
-			  mos7840_port->read_urb->transfer_buffer_length,
-			  mos7840_bulk_in_callback, mos7840_port);
+	if ((serial->num_ports == 2)
+		&& ((((__u16)port->number -
+			(__u16)(port->serial->minor)) % 2) != 0)) {
+		usb_fill_bulk_urb(mos7840_port->read_urb,
+			serial->dev,
+			usb_rcvbulkpipe(serial->dev,
+				(port->bulk_in_endpointAddress) + 2),
+			port->bulk_in_buffer,
+			mos7840_port->read_urb->transfer_buffer_length,
+			mos7840_bulk_in_callback, mos7840_port);
+	} else {
+		usb_fill_bulk_urb(mos7840_port->read_urb,
+			serial->dev,
+			usb_rcvbulkpipe(serial->dev,
+				port->bulk_in_endpointAddress),
+			port->bulk_in_buffer,
+			mos7840_port->read_urb->transfer_buffer_length,
+			mos7840_bulk_in_callback, mos7840_port);
+	}
 
 	dbg("mos7840_open: bulkin endpoint is %d",
 	    port->bulk_in_endpointAddress);
@@ -1521,13 +1533,25 @@ static int mos7840_write(struct tty_struct *tty, struct usb_serial_port *port,
 	memcpy(urb->transfer_buffer, current_position, transfer_size);
 
 	/* fill urb with data and submit  */
-	usb_fill_bulk_urb(urb,
-			  serial->dev,
-			  usb_sndbulkpipe(serial->dev,
-					  port->bulk_out_endpointAddress),
-			  urb->transfer_buffer,
-			  transfer_size,
-			  mos7840_bulk_out_data_callback, mos7840_port);
+	if ((serial->num_ports == 2)
+		&& ((((__u16)port->number -
+			(__u16)(port->serial->minor)) % 2) != 0)) {
+		usb_fill_bulk_urb(urb,
+			serial->dev,
+			usb_sndbulkpipe(serial->dev,
+				(port->bulk_out_endpointAddress) + 2),
+			urb->transfer_buffer,
+			transfer_size,
+			mos7840_bulk_out_data_callback, mos7840_port);
+	} else {
+		usb_fill_bulk_urb(urb,
+			serial->dev,
+			usb_sndbulkpipe(serial->dev,
+				port->bulk_out_endpointAddress),
+			urb->transfer_buffer,
+			transfer_size,
+			mos7840_bulk_out_data_callback, mos7840_port);
+	}
 
 	data1 = urb->transfer_buffer;
 	dbg("bulkout endpoint is %d", port->bulk_out_endpointAddress);
@@ -1840,7 +1864,7 @@ static int mos7840_send_cmd_write_baud_rate(struct moschip_port *mos7840_port,
 
 	} else {
 #ifdef HW_flow_control
-		/ *setting h/w flow control bit to 0 */
+		/* setting h/w flow control bit to 0 */
 		Data = 0xb;
 		mos7840_port->shadowMCR = Data;
 		status = mos7840_set_uart_reg(port, MODEM_CONTROL_REGISTER,
@@ -2309,19 +2333,26 @@ static int mos7840_ioctl(struct tty_struct *tty,
 
 static int mos7840_calc_num_ports(struct usb_serial *serial)
 {
-	int mos7840_num_ports = 0;
-
-	dbg("numberofendpoints: cur %d, alt %d",
-	    (int)serial->interface->cur_altsetting->desc.bNumEndpoints,
-	    (int)serial->interface->altsetting->desc.bNumEndpoints);
-	if (serial->interface->cur_altsetting->desc.bNumEndpoints == 5) {
-		mos7840_num_ports = serial->num_ports = 2;
-	} else if (serial->interface->cur_altsetting->desc.bNumEndpoints == 9) {
+	__u16 Data = 0x00;
+	int ret = 0;
+	int mos7840_num_ports;
+
+	ret = usb_control_msg(serial->dev, usb_rcvctrlpipe(serial->dev, 0),
+		MCS_RDREQ, MCS_RD_RTYPE, 0, GPIO_REGISTER, &Data,
+		VENDOR_READ_LENGTH, MOS_WDR_TIMEOUT);
+
+	if ((Data & 0x01) == 0) {
+		mos7840_num_ports = 2;
+		serial->num_bulk_in = 2;
+		serial->num_bulk_out = 2;
+		serial->num_ports = 2;
+	} else {
+		mos7840_num_ports = 4;
 		serial->num_bulk_in = 4;
 		serial->num_bulk_out = 4;
-		mos7840_num_ports = serial->num_ports = 4;
+		serial->num_ports = 4;
 	}
-	dbg ("mos7840_num_ports = %d", mos7840_num_ports);
+
 	return mos7840_num_ports;
 }
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index 68fa8c7..54898c9 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -307,6 +307,9 @@ static void option_instat_callback(struct urb *urb);
 #define TELIT_VENDOR_ID				0x1bc7
 #define TELIT_PRODUCT_UC864E			0x1003
 #define TELIT_PRODUCT_UC864G			0x1004
+#define TELIT_PRODUCT_CC864_DUAL		0x1005
+#define TELIT_PRODUCT_CC864_SINGLE		0x1006
+#define TELIT_PRODUCT_DE910_DUAL		0x1010
 
 /* ZTE PRODUCTS */
 #define ZTE_VENDOR_ID				0x19d2
@@ -484,6 +487,9 @@ static void option_instat_callback(struct urb *urb);
 #define LG_VENDOR_ID				0x1004
 #define LG_PRODUCT_L02C				0x618f
 
+/* MediaTek products */
+#define MEDIATEK_VENDOR_ID			0x0e8d
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -768,6 +774,9 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE(CMOTECH_VENDOR_ID, CMOTECH_PRODUCT_6008) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864E) },
 	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_UC864G) },
+	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_DUAL) },
+	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_CC864_SINGLE) },
+	{ USB_DEVICE(TELIT_VENDOR_ID, TELIT_PRODUCT_DE910_DUAL) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, ZTE_PRODUCT_MF622, 0xff, 0xff, 0xff) }, /* ZTE WCDMA products */
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0002, 0xff, 0xff, 0xff),
 		.driver_info = (kernel_ulong_t)&net_intf1_blacklist },
@@ -892,6 +901,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0162, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0164, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0165, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0167, 0xff, 0xff, 0xff),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1008, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1010, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x1012, 0xff, 0xff, 0xff) },
@@ -1198,6 +1209,10 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(VIETTEL_VENDOR_ID, VIETTEL_PRODUCT_VT1000, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZD_VENDOR_ID, ZD_PRODUCT_7000, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE(LG_VENDOR_ID, LG_PRODUCT_L02C) }, /* docomo L-02C modem */
+	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a1, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a1, 0xff, 0x02, 0x01) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x00, 0x00) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, 0x00a2, 0xff, 0x02, 0x01) },        /* MediaTek MT6276M modem & app port */
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
@@ -1360,6 +1375,7 @@ static int option_probe(struct usb_serial *serial,
 		serial->interface->cur_altsetting->desc.bInterfaceNumber,
 		OPTION_BLACKLIST_RESERVED_IF,
 		(const struct option_blacklist_info *) id->driver_info))
+		return -ENODEV;
 
 	/* Don't bind network interface on Samsung GT-B3730, it is handled by a separate module */
 	if (serial->dev->descriptor.idVendor == SAMSUNG_VENDOR_ID &&
diff --git a/drivers/usb/serial/qcserial.c b/drivers/usb/serial/qcserial.c
index aa9367f..3187d8b 100644
--- a/drivers/usb/serial/qcserial.c
+++ b/drivers/usb/serial/qcserial.c
@@ -24,34 +24,44 @@
 
 static int debug;
 
+#define DEVICE_G1K(v, p) \
+	USB_DEVICE(v, p), .driver_info = 1
+
 static const struct usb_device_id id_table[] = {
-	{USB_DEVICE(0x05c6, 0x9211)},	/* Acer Gobi QDL device */
-	{USB_DEVICE(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
-	{USB_DEVICE(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
-	{USB_DEVICE(0x03f0, 0x201d)},	/* HP un2400 Gobi QDL Device */
-	{USB_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Mobile Broadband Module */
-	{USB_DEVICE(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
-	{USB_DEVICE(0x04da, 0x250c)},	/* Panasonic Gobi QDL device */
-	{USB_DEVICE(0x413c, 0x8172)},	/* Dell Gobi Modem device */
-	{USB_DEVICE(0x413c, 0x8171)},	/* Dell Gobi QDL device */
-	{USB_DEVICE(0x1410, 0xa001)},	/* Novatel Gobi Modem device */
-	{USB_DEVICE(0x1410, 0xa008)},	/* Novatel Gobi QDL device */
-	{USB_DEVICE(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
-	{USB_DEVICE(0x0b05, 0x1774)},	/* Asus Gobi QDL device */
-	{USB_DEVICE(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
-	{USB_DEVICE(0x19d2, 0xfff2)},	/* ONDA Gobi QDL device */
-	{USB_DEVICE(0x1557, 0x0a80)},	/* OQO Gobi QDL device */
-	{USB_DEVICE(0x05c6, 0x9001)},   /* Generic Gobi Modem device */
-	{USB_DEVICE(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
-	{USB_DEVICE(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
-	{USB_DEVICE(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
-	{USB_DEVICE(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
-	{USB_DEVICE(0x05c6, 0x9008)},	/* Generic Gobi QDL device */
-	{USB_DEVICE(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
-	{USB_DEVICE(0x05c6, 0x9201)},	/* Generic Gobi QDL device */
-	{USB_DEVICE(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
-	{USB_DEVICE(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
-	{USB_DEVICE(0x1f45, 0x0001)},	/* Unknown Gobi QDL device */
+	/* Gobi 1000 devices */
+	{DEVICE_G1K(0x05c6, 0x9211)},	/* Acer Gobi QDL device */
+	{DEVICE_G1K(0x05c6, 0x9212)},	/* Acer Gobi Modem Device */
+	{DEVICE_G1K(0x03f0, 0x1f1d)},	/* HP un2400 Gobi Modem Device */
+	{DEVICE_G1K(0x03f0, 0x201d)},	/* HP un2400 Gobi QDL Device */
+	{DEVICE_G1K(0x04da, 0x250d)},	/* Panasonic Gobi Modem device */
+	{DEVICE_G1K(0x04da, 0x250c)},	/* Panasonic Gobi QDL device */
+	{DEVICE_G1K(0x413c, 0x8172)},	/* Dell Gobi Modem device */
+	{DEVICE_G1K(0x413c, 0x8171)},	/* Dell Gobi QDL device */
+	{DEVICE_G1K(0x1410, 0xa001)},	/* Novatel Gobi Modem device */
+	{DEVICE_G1K(0x1410, 0xa008)},	/* Novatel Gobi QDL device */
+	{DEVICE_G1K(0x0b05, 0x1776)},	/* Asus Gobi Modem device */
+	{DEVICE_G1K(0x0b05, 0x1774)},	/* Asus Gobi QDL device */
+	{DEVICE_G1K(0x19d2, 0xfff3)},	/* ONDA Gobi Modem device */
+	{DEVICE_G1K(0x19d2, 0xfff2)},	/* ONDA Gobi QDL device */
+	{DEVICE_G1K(0x1557, 0x0a80)},	/* OQO Gobi QDL device */
+	{DEVICE_G1K(0x05c6, 0x9001)},   /* Generic Gobi Modem device */
+	{DEVICE_G1K(0x05c6, 0x9002)},	/* Generic Gobi Modem device */
+	{DEVICE_G1K(0x05c6, 0x9202)},	/* Generic Gobi Modem device */
+	{DEVICE_G1K(0x05c6, 0x9203)},	/* Generic Gobi Modem device */
+	{DEVICE_G1K(0x05c6, 0x9222)},	/* Generic Gobi Modem device */
+	{DEVICE_G1K(0x05c6, 0x9008)},	/* Generic Gobi QDL device */
+	{DEVICE_G1K(0x05c6, 0x9009)},	/* Generic Gobi Modem device */
+	{DEVICE_G1K(0x05c6, 0x9201)},	/* Generic Gobi QDL device */
+	{DEVICE_G1K(0x05c6, 0x9221)},	/* Generic Gobi QDL device */
+	{DEVICE_G1K(0x05c6, 0x9231)},	/* Generic Gobi QDL device */
+	{DEVICE_G1K(0x1f45, 0x0001)},	/* Unknown Gobi QDL device */
+
+	/* Gobi 2000 devices */
+	{USB_DEVICE(0x1410, 0xa010)},	/* Novatel Gobi 2000 QDL device */
+	{USB_DEVICE(0x1410, 0xa011)},	/* Novatel Gobi 2000 QDL device */
+	{USB_DEVICE(0x1410, 0xa012)},	/* Novatel Gobi 2000 QDL device */
+	{USB_DEVICE(0x1410, 0xa013)},	/* Novatel Gobi 2000 QDL device */
+	{USB_DEVICE(0x1410, 0xa014)},	/* Novatel Gobi 2000 QDL device */
 	{USB_DEVICE(0x413c, 0x8185)},	/* Dell Gobi 2000 QDL device (N0218, VU936) */
 	{USB_DEVICE(0x413c, 0x8186)},	/* Dell Gobi 2000 Modem device (N0218, VU936) */
 	{USB_DEVICE(0x05c6, 0x9208)},	/* Generic Gobi 2000 QDL device */
@@ -86,7 +96,18 @@ static const struct usb_device_id id_table[] = {
 	{USB_DEVICE(0x16d8, 0x8002)},	/* CMDTech Gobi 2000 Modem device (VU922) */
 	{USB_DEVICE(0x05c6, 0x9204)},	/* Gobi 2000 QDL device */
 	{USB_DEVICE(0x05c6, 0x9205)},	/* Gobi 2000 Modem device */
+
+	/* Gobi 3000 devices */
+	{USB_DEVICE(0x03f0, 0x371d)},	/* HP un2430 Gobi 3000 QDL */
+	{USB_DEVICE(0x05c6, 0x920c)},	/* Gobi 3000 QDL */
+	{USB_DEVICE(0x05c6, 0x920d)},	/* Gobi 3000 Composite */
+	{USB_DEVICE(0x1410, 0xa020)},   /* Novatel Gobi 3000 QDL */
+	{USB_DEVICE(0x1410, 0xa021)},	/* Novatel Gobi 3000 Composite */
+	{USB_DEVICE(0x413c, 0x8193)},	/* Dell Gobi 3000 QDL */
+	{USB_DEVICE(0x413c, 0x8194)},	/* Dell Gobi 3000 Composite */
 	{USB_DEVICE(0x1199, 0x9013)},	/* Sierra Wireless Gobi 3000 Modem device (MC8355) */
+	{USB_DEVICE(0x12D1, 0x14F0)},	/* Sony Gobi 3000 QDL */
+	{USB_DEVICE(0x12D1, 0x14F1)},	/* Sony Gobi 3000 Composite */
 	{ }				/* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, id_table);
@@ -108,8 +129,10 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 	int retval = -ENODEV;
 	__u8 nintf;
 	__u8 ifnum;
+	bool is_gobi1k = id->driver_info ? true : false;
 
 	dbg("%s", __func__);
+	dbg("Is Gobi 1000 = %d", is_gobi1k);
 
 	nintf = serial->dev->actconfig->desc.bNumInterfaces;
 	dbg("Num Interfaces = %d", nintf);
@@ -157,15 +180,25 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 
 	case 3:
 	case 4:
-		/* Composite mode */
-		/* ifnum == 0 is a broadband network adapter */
-		if (ifnum == 1) {
-			/*
-			 * Diagnostics Monitor (serial line 9600 8N1)
-			 * Qualcomm DM protocol
-			 * use "libqcdm" (ModemManager) for communication
-			 */
-			dbg("Diagnostics Monitor found");
+		/* Composite mode; don't bind to the QMI/net interface as that
+		 * gets handled by other drivers.
+		 */
+
+		/* Gobi 1K USB layout:
+		 * 0: serial port (doesn't respond)
+		 * 1: serial port (doesn't respond)
+		 * 2: AT-capable modem port
+		 * 3: QMI/net
+		 *
+		 * Gobi 2K+ USB layout:
+		 * 0: QMI/net
+		 * 1: DM/DIAG (use libqcdm from ModemManager for communication)
+		 * 2: AT-capable modem port
+		 * 3: NMEA
+		 */
+
+		if (ifnum == 1 && !is_gobi1k) {
+			dbg("Gobi 2K+ DM/DIAG interface found");
 			retval = usb_set_interface(serial->dev, ifnum, 0);
 			if (retval < 0) {
 				dev_err(&serial->dev->dev,
@@ -184,13 +217,13 @@ static int qcprobe(struct usb_serial *serial, const struct usb_device_id *id)
 				retval = -ENODEV;
 				kfree(data);
 			}
-		} else if (ifnum==3) {
+		} else if (ifnum==3 && !is_gobi1k) {
 			/*
 			 * NMEA (serial line 9600 8N1)
 			 * # echo "\$GPS_START" > /dev/ttyUSBx
 			 * # echo "\$GPS_STOP"  > /dev/ttyUSBx
 			 */
-			dbg("NMEA GPS interface found");
+			dbg("Gobi 2K+ NMEA GPS interface found");
 			retval = usb_set_interface(serial->dev, ifnum, 0);
 			if (retval < 0) {
 				dev_err(&serial->dev->dev,
diff --git a/drivers/usb/storage/realtek_cr.c b/drivers/usb/storage/realtek_cr.c
index 32c93d7..e39b188 100644
--- a/drivers/usb/storage/realtek_cr.c
+++ b/drivers/usb/storage/realtek_cr.c
@@ -509,9 +509,14 @@ static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len)
 	int retval;
 	u16 addr = 0xFE47;
 	u8 cmnd[12] = {0};
+	u8 *buf;
 
 	US_DEBUGP("%s, addr = 0x%x, len = %d\n", __FUNCTION__, addr, len);
 
+	buf = kmemdup(data, len, GFP_NOIO);
+	if (!buf)
+		return USB_STOR_TRANSPORT_ERROR;
+
 	cmnd[0] = 0xF0;
 	cmnd[1] = 0x0E;
 	cmnd[2] = (u8)(addr >> 8);
@@ -519,7 +524,8 @@ static int __do_config_autodelink(struct us_data *us, u8 *data, u16 len)
 	cmnd[4] = (u8)(len >> 8);
 	cmnd[5] = (u8)len;
 
-	retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, data, len, DMA_TO_DEVICE, NULL);
+	retval = rts51x_bulk_transport_special(us, 0, cmnd, 12, buf, len, DMA_TO_DEVICE, NULL);
+	kfree(buf);
 	if (retval != USB_STOR_TRANSPORT_GOOD) {
 		return -EIO;
 	}
diff --git a/drivers/video/backlight/tosa_lcd.c b/drivers/video/backlight/tosa_lcd.c
index 772f601..6f54f74 100644
--- a/drivers/video/backlight/tosa_lcd.c
+++ b/drivers/video/backlight/tosa_lcd.c
@@ -271,7 +271,7 @@ static int tosa_lcd_resume(struct spi_device *spi)
 }
 #else
 #define tosa_lcd_suspend	NULL
-#define tosa_lcd_reume NULL
+#define tosa_lcd_resume NULL
 #endif
 
 static struct spi_driver tosa_lcd_driver = {
diff --git a/drivers/video/fbmem.c b/drivers/video/fbmem.c
index ad93629..7a41220 100644
--- a/drivers/video/fbmem.c
+++ b/drivers/video/fbmem.c
@@ -1651,6 +1651,7 @@ static int do_unregister_framebuffer(struct fb_info *fb_info)
 	if (ret)
 		return -EINVAL;
 
+	unlink_framebuffer(fb_info);
 	if (fb_info->pixmap.addr &&
 	    (fb_info->pixmap.flags & FB_PIXMAP_DEFAULT))
 		kfree(fb_info->pixmap.addr);
@@ -1658,7 +1659,6 @@ static int do_unregister_framebuffer(struct fb_info *fb_info)
 	registered_fb[i] = NULL;
 	num_registered_fb--;
 	fb_cleanup_device(fb_info);
-	device_destroy(fb_class, MKDEV(FB_MAJOR, i));
 	event.info = fb_info;
 	fb_notifier_call_chain(FB_EVENT_FB_UNREGISTERED, &event);
 
@@ -1667,6 +1667,22 @@ static int do_unregister_framebuffer(struct fb_info *fb_info)
 	return 0;
 }
 
+int unlink_framebuffer(struct fb_info *fb_info)
+{
+	int i;
+
+	i = fb_info->node;
+	if (i < 0 || i >= FB_MAX || registered_fb[i] != fb_info)
+		return -EINVAL;
+
+	if (fb_info->dev) {
+		device_destroy(fb_class, MKDEV(FB_MAJOR, i));
+		fb_info->dev = NULL;
+	}
+	return 0;
+}
+EXPORT_SYMBOL(unlink_framebuffer);
+
 void remove_conflicting_framebuffers(struct apertures_struct *a,
 				     const char *name, bool primary)
 {
diff --git a/drivers/video/udlfb.c b/drivers/video/udlfb.c
index 3473e75..41746bb 100644
--- a/drivers/video/udlfb.c
+++ b/drivers/video/udlfb.c
@@ -1739,7 +1739,7 @@ static void dlfb_usb_disconnect(struct usb_interface *interface)
 	for (i = 0; i < ARRAY_SIZE(fb_device_attrs); i++)
 		device_remove_file(info->dev, &fb_device_attrs[i]);
 	device_remove_bin_file(info->dev, &edid_attr);
-
+	unlink_framebuffer(info);
 	usb_set_intfdata(interface, NULL);
 
 	/* if clients still have us open, will be freed on last close */
diff --git a/fs/cifs/cifsfs.c b/fs/cifs/cifsfs.c
index 8f1fe32..b4c2c99 100644
--- a/fs/cifs/cifsfs.c
+++ b/fs/cifs/cifsfs.c
@@ -76,7 +76,7 @@ MODULE_PARM_DESC(cifs_min_small, "Small network buffers in pool. Default: 30 "
 unsigned int cifs_max_pending = CIFS_MAX_REQ;
 module_param(cifs_max_pending, int, 0444);
 MODULE_PARM_DESC(cifs_max_pending, "Simultaneous requests to server. "
-				   "Default: 50 Range: 2 to 256");
+				   "Default: 32767 Range: 2 to 32767.");
 unsigned short echo_retries = 5;
 module_param(echo_retries, ushort, 0644);
 MODULE_PARM_DESC(echo_retries, "Number of echo attempts before giving up and "
@@ -1116,9 +1116,9 @@ init_cifs(void)
 	if (cifs_max_pending < 2) {
 		cifs_max_pending = 2;
 		cFYI(1, "cifs_max_pending set to min of 2");
-	} else if (cifs_max_pending > 256) {
-		cifs_max_pending = 256;
-		cFYI(1, "cifs_max_pending set to max of 256");
+	} else if (cifs_max_pending > CIFS_MAX_REQ) {
+		cifs_max_pending = CIFS_MAX_REQ;
+		cFYI(1, "cifs_max_pending set to max of %u", CIFS_MAX_REQ);
 	}
 
 	rc = cifs_fscache_register();
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index 8238aa1..c467ac8 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -55,14 +55,9 @@
 
 /*
  * MAX_REQ is the maximum number of requests that WE will send
- * on one socket concurrently. It also matches the most common
- * value of max multiplex returned by servers.  We may
- * eventually want to use the negotiated value (in case
- * future servers can handle more) when we are more confident that
- * we will not have problems oveloading the socket with pending
- * write data.
+ * on one socket concurrently.
  */
-#define CIFS_MAX_REQ 50
+#define CIFS_MAX_REQ 32767
 
 #define RFC1001_NAME_LEN 15
 #define RFC1001_NAME_LEN_WITH_NULL (RFC1001_NAME_LEN + 1)
@@ -263,6 +258,7 @@ struct TCP_Server_Info {
 	bool session_estab; /* mark when very first sess is established */
 	u16 dialect; /* dialect index that server chose */
 	enum securityEnum secType;
+	bool oplocks:1; /* enable oplocks */
 	unsigned int maxReq;	/* Clients should submit no more */
 	/* than maxReq distinct unanswered SMBs to the server when using  */
 	/* multiplexed reads or writes */
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 6600aa2..0e6adac 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -458,7 +458,10 @@ CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses)
 			goto neg_err_exit;
 		}
 		server->sec_mode = (__u8)le16_to_cpu(rsp->SecurityMode);
-		server->maxReq = le16_to_cpu(rsp->MaxMpxCount);
+		server->maxReq = min_t(unsigned int,
+				       le16_to_cpu(rsp->MaxMpxCount),
+				       cifs_max_pending);
+		server->oplocks = server->maxReq > 1 ? enable_oplocks : false;
 		server->maxBuf = le16_to_cpu(rsp->MaxBufSize);
 		server->max_vcs = le16_to_cpu(rsp->MaxNumberVcs);
 		/* even though we do not use raw we might as well set this
@@ -564,7 +567,9 @@ CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses)
 
 	/* one byte, so no need to convert this or EncryptionKeyLen from
 	   little endian */
-	server->maxReq = le16_to_cpu(pSMBr->MaxMpxCount);
+	server->maxReq = min_t(unsigned int, le16_to_cpu(pSMBr->MaxMpxCount),
+			       cifs_max_pending);
+	server->oplocks = server->maxReq > 1 ? enable_oplocks : false;
 	/* probably no need to store and check maxvcs */
 	server->maxBuf = le32_to_cpu(pSMBr->MaxBufferSize);
 	server->max_rw = le32_to_cpu(pSMBr->MaxRawSize);
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 720edf5..9e0675a 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -625,14 +625,10 @@ static void clean_demultiplex_info(struct TCP_Server_Info *server)
 	spin_unlock(&GlobalMid_Lock);
 	wake_up_all(&server->response_q);
 
-	/*
-	 * Check if we have blocked requests that need to free. Note that
-	 * cifs_max_pending is normally 50, but can be set at module install
-	 * time to as little as two.
-	 */
+	/* Check if we have blocked requests that need to free. */
 	spin_lock(&GlobalMid_Lock);
-	if (atomic_read(&server->inFlight) >= cifs_max_pending)
-		atomic_set(&server->inFlight, cifs_max_pending - 1);
+	if (atomic_read(&server->inFlight) >= server->maxReq)
+		atomic_set(&server->inFlight, server->maxReq - 1);
 	/*
 	 * We do not want to set the max_pending too low or we could end up
 	 * with the counter going negative.
@@ -1890,6 +1886,7 @@ cifs_get_tcp_session(struct smb_vol *volume_info)
 	tcp_ses->noautotune = volume_info->noautotune;
 	tcp_ses->tcp_nodelay = volume_info->sockopt_tcp_nodelay;
 	atomic_set(&tcp_ses->inFlight, 0);
+	tcp_ses->maxReq = 1; /* enough to send negotiate request */
 	init_waitqueue_head(&tcp_ses->response_q);
 	init_waitqueue_head(&tcp_ses->request_q);
 	INIT_LIST_HEAD(&tcp_ses->pending_mid_q);
@@ -3220,7 +3217,7 @@ cifs_ra_pages(struct cifs_sb_info *cifs_sb)
 int
 cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *volume_info)
 {
-	int rc = 0;
+	int rc;
 	int xid;
 	struct cifs_ses *pSesInfo;
 	struct cifs_tcon *tcon;
@@ -3247,6 +3244,7 @@ try_mount_again:
 		FreeXid(xid);
 	}
 #endif
+	rc = 0;
 	tcon = NULL;
 	pSesInfo = NULL;
 	srvTcp = NULL;
diff --git a/fs/cifs/dir.c b/fs/cifs/dir.c
index bf68b4f..6937e7c 100644
--- a/fs/cifs/dir.c
+++ b/fs/cifs/dir.c
@@ -171,7 +171,7 @@ cifs_create(struct inode *inode, struct dentry *direntry, int mode,
 	}
 	tcon = tlink_tcon(tlink);
 
-	if (enable_oplocks)
+	if (tcon->ses->server->oplocks)
 		oplock = REQ_OPLOCK;
 
 	if (nd)
@@ -492,7 +492,7 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
 {
 	int xid;
 	int rc = 0; /* to get around spurious gcc warning, set to zero here */
-	__u32 oplock = enable_oplocks ? REQ_OPLOCK : 0;
+	__u32 oplock;
 	__u16 fileHandle = 0;
 	bool posix_open = false;
 	struct cifs_sb_info *cifs_sb;
@@ -518,6 +518,8 @@ cifs_lookup(struct inode *parent_dir_inode, struct dentry *direntry,
 	}
 	pTcon = tlink_tcon(tlink);
 
+	oplock = pTcon->ses->server->oplocks ? REQ_OPLOCK : 0;
+
 	/*
 	 * Don't allow the separator character in a path component.
 	 * The VFS will not allow "/", but "\" is allowed by posix.
diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index 5e64748..159fcc5 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -380,7 +380,7 @@ int cifs_open(struct inode *inode, struct file *file)
 	cFYI(1, "inode = 0x%p file flags are 0x%x for %s",
 		 inode, file->f_flags, full_path);
 
-	if (enable_oplocks)
+	if (tcon->ses->server->oplocks)
 		oplock = REQ_OPLOCK;
 	else
 		oplock = 0;
@@ -505,7 +505,7 @@ static int cifs_reopen_file(struct cifsFileInfo *pCifsFile, bool can_flush)
 	cFYI(1, "inode = 0x%p file flags 0x%x for %s",
 		 inode, pCifsFile->f_flags, full_path);
 
-	if (enable_oplocks)
+	if (tcon->ses->server->oplocks)
 		oplock = REQ_OPLOCK;
 	else
 		oplock = 0;
@@ -960,9 +960,9 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
 	INIT_LIST_HEAD(&locks_to_send);
 
 	/*
-	 * Allocating count locks is enough because no locks can be added to
-	 * the list while we are holding cinode->lock_mutex that protects
-	 * locking operations of this inode.
+	 * Allocating count locks is enough because no FL_POSIX locks can be
+	 * added to the list while we are holding cinode->lock_mutex that
+	 * protects locking operations of this inode.
 	 */
 	for (; i < count; i++) {
 		lck = kmalloc(sizeof(struct lock_to_push), GFP_KERNEL);
@@ -973,18 +973,20 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
 		list_add_tail(&lck->llist, &locks_to_send);
 	}
 
-	i = 0;
 	el = locks_to_send.next;
 	lock_flocks();
 	cifs_for_each_lock(cfile->dentry->d_inode, before) {
+		flock = *before;
+		if ((flock->fl_flags & FL_POSIX) == 0)
+			continue;
 		if (el == &locks_to_send) {
-			/* something is really wrong */
+			/*
+			 * The list ended. We don't have enough allocated
+			 * structures - something is really wrong.
+			 */
 			cERROR(1, "Can't push all brlocks!");
 			break;
 		}
-		flock = *before;
-		if ((flock->fl_flags & FL_POSIX) == 0)
-			continue;
 		length = 1 + flock->fl_end - flock->fl_start;
 		if (flock->fl_type == F_RDLCK || flock->fl_type == F_SHLCK)
 			type = CIFS_RDLCK;
@@ -996,7 +998,6 @@ cifs_push_posix_locks(struct cifsFileInfo *cfile)
 		lck->length = length;
 		lck->type = type;
 		lck->offset = flock->fl_start;
-		i++;
 		el = el->next;
 	}
 	unlock_flocks();
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index 0cc9584..99a27cf 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -265,12 +265,12 @@ static int wait_for_free_request(struct TCP_Server_Info *server,
 
 	spin_lock(&GlobalMid_Lock);
 	while (1) {
-		if (atomic_read(&server->inFlight) >= cifs_max_pending) {
+		if (atomic_read(&server->inFlight) >= server->maxReq) {
 			spin_unlock(&GlobalMid_Lock);
 			cifs_num_waiters_inc(server);
 			wait_event(server->request_q,
 				   atomic_read(&server->inFlight)
-				     < cifs_max_pending);
+				     < server->maxReq);
 			cifs_num_waiters_dec(server);
 			spin_lock(&GlobalMid_Lock);
 		} else {
diff --git a/fs/dcache.c b/fs/dcache.c
index f7908ae..eb723d3 100644
--- a/fs/dcache.c
+++ b/fs/dcache.c
@@ -2357,6 +2357,7 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 			if (d_ancestor(alias, dentry)) {
 				/* Check for loops */
 				actual = ERR_PTR(-ELOOP);
+				spin_unlock(&inode->i_lock);
 			} else if (IS_ROOT(alias)) {
 				/* Is this an anonymous mountpoint that we
 				 * could splice into our tree? */
@@ -2366,7 +2367,7 @@ struct dentry *d_materialise_unique(struct dentry *dentry, struct inode *inode)
 				goto found;
 			} else {
 				/* Nope, but we must(!) avoid directory
-				 * aliasing */
+				 * aliasing. This drops inode->i_lock */
 				actual = __d_unalias(inode, dentry, alias);
 			}
 			write_sequnlock(&rename_lock);
diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 5b0e26a..dbae4d9 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -184,6 +184,8 @@ struct mpage_da_data {
 #define	EXT4_IO_END_UNWRITTEN	0x0001
 #define EXT4_IO_END_ERROR	0x0002
 #define EXT4_IO_END_QUEUED	0x0004
+#define EXT4_IO_END_DIRECT	0x0008
+#define EXT4_IO_END_IN_FSYNC	0x0010
 
 struct ext4_io_page {
 	struct page	*p_page;
diff --git a/fs/ext4/ext4_jbd2.h b/fs/ext4/ext4_jbd2.h
index 5802fa1..95af6f8 100644
--- a/fs/ext4/ext4_jbd2.h
+++ b/fs/ext4/ext4_jbd2.h
@@ -261,43 +261,45 @@ static inline void ext4_update_inode_fsync_trans(handle_t *handle,
 /* super.c */
 int ext4_force_commit(struct super_block *sb);
 
-static inline int ext4_should_journal_data(struct inode *inode)
+/*
+ * Ext4 inode journal modes
+ */
+#define EXT4_INODE_JOURNAL_DATA_MODE	0x01 /* journal data mode */
+#define EXT4_INODE_ORDERED_DATA_MODE	0x02 /* ordered data mode */
+#define EXT4_INODE_WRITEBACK_DATA_MODE	0x04 /* writeback data mode */
+
+static inline int ext4_inode_journal_mode(struct inode *inode)
 {
 	if (EXT4_JOURNAL(inode) == NULL)
-		return 0;
-	if (!S_ISREG(inode->i_mode))
-		return 1;
-	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
-		return 1;
-	if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA))
-		return 1;
-	return 0;
+		return EXT4_INODE_WRITEBACK_DATA_MODE;	/* writeback */
+	/* We do not support data journalling with delayed allocation */
+	if (!S_ISREG(inode->i_mode) ||
+	    test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_JOURNAL_DATA)
+		return EXT4_INODE_JOURNAL_DATA_MODE;	/* journal data */
+	if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA) &&
+	    !test_opt(inode->i_sb, DELALLOC))
+		return EXT4_INODE_JOURNAL_DATA_MODE;	/* journal data */
+	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
+		return EXT4_INODE_ORDERED_DATA_MODE;	/* ordered */
+	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
+		return EXT4_INODE_WRITEBACK_DATA_MODE;	/* writeback */
+	else
+		BUG();
+}
+
+static inline int ext4_should_journal_data(struct inode *inode)
+{
+	return ext4_inode_journal_mode(inode) & EXT4_INODE_JOURNAL_DATA_MODE;
 }
 
 static inline int ext4_should_order_data(struct inode *inode)
 {
-	if (EXT4_JOURNAL(inode) == NULL)
-		return 0;
-	if (!S_ISREG(inode->i_mode))
-		return 0;
-	if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA))
-		return 0;
-	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_ORDERED_DATA)
-		return 1;
-	return 0;
+	return ext4_inode_journal_mode(inode) & EXT4_INODE_ORDERED_DATA_MODE;
 }
 
 static inline int ext4_should_writeback_data(struct inode *inode)
 {
-	if (EXT4_JOURNAL(inode) == NULL)
-		return 1;
-	if (!S_ISREG(inode->i_mode))
-		return 0;
-	if (ext4_test_inode_flag(inode, EXT4_INODE_JOURNAL_DATA))
-		return 0;
-	if (test_opt(inode->i_sb, DATA_FLAGS) == EXT4_MOUNT_WRITEBACK_DATA)
-		return 1;
-	return 0;
+	return ext4_inode_journal_mode(inode) & EXT4_INODE_WRITEBACK_DATA_MODE;
 }
 
 /*
diff --git a/fs/ext4/extents.c b/fs/ext4/extents.c
index 607b155..7507036 100644
--- a/fs/ext4/extents.c
+++ b/fs/ext4/extents.c
@@ -301,6 +301,8 @@ static int ext4_valid_extent(struct inode *inode, struct ext4_extent *ext)
 	ext4_fsblk_t block = ext4_ext_pblock(ext);
 	int len = ext4_ext_get_actual_len(ext);
 
+	if (len == 0)
+		return 0;
 	return ext4_data_block_valid(EXT4_SB(inode->i_sb), block, len);
 }
 
diff --git a/fs/ext4/fsync.c b/fs/ext4/fsync.c
index 00a2cb7..bb6c7d8 100644
--- a/fs/ext4/fsync.c
+++ b/fs/ext4/fsync.c
@@ -89,6 +89,7 @@ int ext4_flush_completed_IO(struct inode *inode)
 		io = list_entry(ei->i_completed_io_list.next,
 				ext4_io_end_t, list);
 		list_del_init(&io->list);
+		io->flag |= EXT4_IO_END_IN_FSYNC;
 		/*
 		 * Calling ext4_end_io_nolock() to convert completed
 		 * IO to written.
@@ -108,6 +109,7 @@ int ext4_flush_completed_IO(struct inode *inode)
 		if (ret < 0)
 			ret2 = ret;
 		spin_lock_irqsave(&ei->i_completed_io_lock, flags);
+		io->flag &= ~EXT4_IO_END_IN_FSYNC;
 	}
 	spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 	return (ret2 < 0) ? ret2 : 0;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index 92655fd..3ce7613 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2480,13 +2480,14 @@ static int ext4_da_write_end(struct file *file,
 	int write_mode = (int)(unsigned long)fsdata;
 
 	if (write_mode == FALL_BACK_TO_NONDELALLOC) {
-		if (ext4_should_order_data(inode)) {
+		switch (ext4_inode_journal_mode(inode)) {
+		case EXT4_INODE_ORDERED_DATA_MODE:
 			return ext4_ordered_write_end(file, mapping, pos,
 					len, copied, page, fsdata);
-		} else if (ext4_should_writeback_data(inode)) {
+		case EXT4_INODE_WRITEBACK_DATA_MODE:
 			return ext4_writeback_write_end(file, mapping, pos,
 					len, copied, page, fsdata);
-		} else {
+		default:
 			BUG();
 		}
 	}
@@ -2793,9 +2794,6 @@ out:
 
 	/* queue the work to convert unwritten extents to written */
 	queue_work(wq, &io_end->work);
-
-	/* XXX: probably should move into the real I/O completion handler */
-	inode_dio_done(inode);
 }
 
 static void ext4_end_io_buffer_write(struct buffer_head *bh, int uptodate)
@@ -2919,9 +2917,12 @@ static ssize_t ext4_ext_direct_IO(int rw, struct kiocb *iocb,
 		iocb->private = NULL;
 		EXT4_I(inode)->cur_aio_dio = NULL;
 		if (!is_sync_kiocb(iocb)) {
-			iocb->private = ext4_init_io_end(inode, GFP_NOFS);
-			if (!iocb->private)
+			ext4_io_end_t *io_end =
+				ext4_init_io_end(inode, GFP_NOFS);
+			if (!io_end)
 				return -ENOMEM;
+			io_end->flag |= EXT4_IO_END_DIRECT;
+			iocb->private = io_end;
 			/*
 			 * we save the io structure for current async
 			 * direct IO, so that later ext4_map_blocks()
@@ -3084,18 +3085,25 @@ static const struct address_space_operations ext4_da_aops = {
 
 void ext4_set_aops(struct inode *inode)
 {
-	if (ext4_should_order_data(inode) &&
-		test_opt(inode->i_sb, DELALLOC))
-		inode->i_mapping->a_ops = &ext4_da_aops;
-	else if (ext4_should_order_data(inode))
-		inode->i_mapping->a_ops = &ext4_ordered_aops;
-	else if (ext4_should_writeback_data(inode) &&
-		 test_opt(inode->i_sb, DELALLOC))
-		inode->i_mapping->a_ops = &ext4_da_aops;
-	else if (ext4_should_writeback_data(inode))
-		inode->i_mapping->a_ops = &ext4_writeback_aops;
-	else
+	switch (ext4_inode_journal_mode(inode)) {
+	case EXT4_INODE_ORDERED_DATA_MODE:
+		if (test_opt(inode->i_sb, DELALLOC))
+			inode->i_mapping->a_ops = &ext4_da_aops;
+		else
+			inode->i_mapping->a_ops = &ext4_ordered_aops;
+		break;
+	case EXT4_INODE_WRITEBACK_DATA_MODE:
+		if (test_opt(inode->i_sb, DELALLOC))
+			inode->i_mapping->a_ops = &ext4_da_aops;
+		else
+			inode->i_mapping->a_ops = &ext4_writeback_aops;
+		break;
+	case EXT4_INODE_JOURNAL_DATA_MODE:
 		inode->i_mapping->a_ops = &ext4_journalled_aops;
+		break;
+	default:
+		BUG();
+	}
 }
 
 
diff --git a/fs/ext4/page-io.c b/fs/ext4/page-io.c
index 7e106c8..24feb1c 100644
--- a/fs/ext4/page-io.c
+++ b/fs/ext4/page-io.c
@@ -111,6 +111,8 @@ int ext4_end_io_nolock(ext4_io_end_t *io)
 	if (io->iocb)
 		aio_complete(io->iocb, io->result, 0);
 
+	if (io->flag & EXT4_IO_END_DIRECT)
+		inode_dio_done(inode);
 	/* Wake up anyone waiting on unwritten extent conversion */
 	if (atomic_dec_and_test(&EXT4_I(inode)->i_aiodio_unwritten))
 		wake_up_all(ext4_ioend_wq(io->inode));
@@ -128,12 +130,18 @@ static void ext4_end_io_work(struct work_struct *work)
 	unsigned long		flags;
 
 	spin_lock_irqsave(&ei->i_completed_io_lock, flags);
+	if (io->flag & EXT4_IO_END_IN_FSYNC)
+		goto requeue;
 	if (list_empty(&io->list)) {
 		spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 		goto free;
 	}
 
 	if (!mutex_trylock(&inode->i_mutex)) {
+		bool was_queued;
+requeue:
+		was_queued = !!(io->flag & EXT4_IO_END_QUEUED);
+		io->flag |= EXT4_IO_END_QUEUED;
 		spin_unlock_irqrestore(&ei->i_completed_io_lock, flags);
 		/*
 		 * Requeue the work instead of waiting so that the work
@@ -146,9 +154,8 @@ static void ext4_end_io_work(struct work_struct *work)
 		 * yield the cpu if it sees an end_io request that has already
 		 * been requeued.
 		 */
-		if (io->flag & EXT4_IO_END_QUEUED)
+		if (was_queued)
 			yield();
-		io->flag |= EXT4_IO_END_QUEUED;
 		return;
 	}
 	list_del_init(&io->list);
diff --git a/fs/hugetlbfs/inode.c b/fs/hugetlbfs/inode.c
index 0be5a78..2d0ca24 100644
--- a/fs/hugetlbfs/inode.c
+++ b/fs/hugetlbfs/inode.c
@@ -238,17 +238,10 @@ static ssize_t hugetlbfs_read(struct file *filp, char __user *buf,
 	loff_t isize;
 	ssize_t retval = 0;
 
-	mutex_lock(&inode->i_mutex);
-
 	/* validate length */
 	if (len == 0)
 		goto out;
 
-	isize = i_size_read(inode);
-	if (!isize)
-		goto out;
-
-	end_index = (isize - 1) >> huge_page_shift(h);
 	for (;;) {
 		struct page *page;
 		unsigned long nr, ret;
@@ -256,18 +249,21 @@ static ssize_t hugetlbfs_read(struct file *filp, char __user *buf,
 
 		/* nr is the maximum number of bytes to copy from this page */
 		nr = huge_page_size(h);
+		isize = i_size_read(inode);
+		if (!isize)
+			goto out;
+		end_index = (isize - 1) >> huge_page_shift(h);
 		if (index >= end_index) {
 			if (index > end_index)
 				goto out;
 			nr = ((isize - 1) & ~huge_page_mask(h)) + 1;
-			if (nr <= offset) {
+			if (nr <= offset)
 				goto out;
-			}
 		}
 		nr = nr - offset;
 
 		/* Find the page */
-		page = find_get_page(mapping, index);
+		page = find_lock_page(mapping, index);
 		if (unlikely(page == NULL)) {
 			/*
 			 * We have a HOLE, zero out the user-buffer for the
@@ -279,17 +275,18 @@ static ssize_t hugetlbfs_read(struct file *filp, char __user *buf,
 			else
 				ra = 0;
 		} else {
+			unlock_page(page);
+
 			/*
 			 * We have the page, copy it to user space buffer.
 			 */
 			ra = hugetlbfs_read_actor(page, offset, buf, len, nr);
 			ret = ra;
+			page_cache_release(page);
 		}
 		if (ra < 0) {
 			if (retval == 0)
 				retval = ra;
-			if (page)
-				page_cache_release(page);
 			goto out;
 		}
 
@@ -299,16 +296,12 @@ static ssize_t hugetlbfs_read(struct file *filp, char __user *buf,
 		index += offset >> huge_page_shift(h);
 		offset &= ~huge_page_mask(h);
 
-		if (page)
-			page_cache_release(page);
-
 		/* short read or no more work */
 		if ((ret != nr) || (len == 0))
 			break;
 	}
 out:
 	*ppos = ((loff_t)index << huge_page_shift(h)) + offset;
-	mutex_unlock(&inode->i_mutex);
 	return retval;
 }
 
diff --git a/fs/jbd2/transaction.c b/fs/jbd2/transaction.c
index a0e41a4..8267de5 100644
--- a/fs/jbd2/transaction.c
+++ b/fs/jbd2/transaction.c
@@ -1948,6 +1948,8 @@ zap_buffer_unlocked:
 	clear_buffer_mapped(bh);
 	clear_buffer_req(bh);
 	clear_buffer_new(bh);
+	clear_buffer_delay(bh);
+	clear_buffer_unwritten(bh);
 	bh->b_bdev = NULL;
 	return may_free;
 }
diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index c061b9a..2444780 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -440,7 +440,7 @@ static int param_set_##name(const char *val, struct kernel_param *kp)	\
 	__typeof__(type) num = which_strtol(val, &endp, 0);		\
 	if (endp == val || *endp || num < (min) || num > (max))		\
 		return -EINVAL;						\
-	*((int *) kp->arg) = num;					\
+	*((type *) kp->arg) = num;					\
 	return 0;							\
 }
 
diff --git a/fs/nfs/callback_xdr.c b/fs/nfs/callback_xdr.c
index 726e59a..168cb93 100644
--- a/fs/nfs/callback_xdr.c
+++ b/fs/nfs/callback_xdr.c
@@ -9,6 +9,8 @@
 #include <linux/sunrpc/svc.h>
 #include <linux/nfs4.h>
 #include <linux/nfs_fs.h>
+#include <linux/ratelimit.h>
+#include <linux/printk.h>
 #include <linux/slab.h>
 #include <linux/sunrpc/bc_xprt.h>
 #include "nfs4_fs.h"
@@ -167,7 +169,7 @@ static __be32 decode_compound_hdr_arg(struct xdr_stream *xdr, struct cb_compound
 	if (hdr->minorversion <= 1) {
 		hdr->cb_ident = ntohl(*p++); /* ignored by v4.1 */
 	} else {
-		printk(KERN_WARNING "%s: NFSv4 server callback with "
+		pr_warn_ratelimited("NFS: %s: NFSv4 server callback with "
 			"illegal minor version %u!\n",
 			__func__, hdr->minorversion);
 		return htonl(NFS4ERR_MINOR_VERS_MISMATCH);
diff --git a/fs/nfs/delegation.c b/fs/nfs/delegation.c
index 7f26540..ac889af 100644
--- a/fs/nfs/delegation.c
+++ b/fs/nfs/delegation.c
@@ -466,6 +466,17 @@ static void nfs_delegation_run_state_manager(struct nfs_client *clp)
 		nfs4_schedule_state_manager(clp);
 }
 
+void nfs_remove_bad_delegation(struct inode *inode)
+{
+	struct nfs_delegation *delegation;
+
+	delegation = nfs_detach_delegation(NFS_I(inode), NFS_SERVER(inode));
+	if (delegation) {
+		nfs_inode_find_state_and_recover(inode, &delegation->stateid);
+		nfs_free_delegation(delegation);
+	}
+}
+
 /**
  * nfs_expire_all_delegation_types
  * @clp: client to process
diff --git a/fs/nfs/delegation.h b/fs/nfs/delegation.h
index d9322e4..691a796 100644
--- a/fs/nfs/delegation.h
+++ b/fs/nfs/delegation.h
@@ -45,6 +45,7 @@ void nfs_expire_unreferenced_delegations(struct nfs_client *clp);
 void nfs_handle_cb_pathdown(struct nfs_client *clp);
 int nfs_client_return_marked_delegations(struct nfs_client *clp);
 int nfs_delegations_present(struct nfs_client *clp);
+void nfs_remove_bad_delegation(struct inode *inode);
 
 void nfs_delegation_mark_reclaim(struct nfs_client *clp);
 void nfs_delegation_reap_unclaimed(struct nfs_client *clp);
diff --git a/fs/nfs/nfs4_fs.h b/fs/nfs/nfs4_fs.h
index 693ae22..0983b25 100644
--- a/fs/nfs/nfs4_fs.h
+++ b/fs/nfs/nfs4_fs.h
@@ -191,6 +191,7 @@ struct nfs4_exception {
 	long timeout;
 	int retry;
 	struct nfs4_state *state;
+	struct inode *inode;
 };
 
 struct nfs4_state_recovery_ops {
@@ -324,6 +325,8 @@ extern void nfs4_put_open_state(struct nfs4_state *);
 extern void nfs4_close_state(struct nfs4_state *, fmode_t);
 extern void nfs4_close_sync(struct nfs4_state *, fmode_t);
 extern void nfs4_state_set_mode_locked(struct nfs4_state *, fmode_t);
+extern void nfs_inode_find_state_and_recover(struct inode *inode,
+		const nfs4_stateid *stateid);
 extern void nfs4_schedule_lease_recovery(struct nfs_client *);
 extern void nfs4_schedule_state_manager(struct nfs_client *);
 extern void nfs4_schedule_path_down_recovery(struct nfs_client *clp);
diff --git a/fs/nfs/nfs4proc.c b/fs/nfs/nfs4proc.c
index e527030..d945700 100644
--- a/fs/nfs/nfs4proc.c
+++ b/fs/nfs/nfs4proc.c
@@ -257,15 +257,28 @@ static int nfs4_handle_exception(struct nfs_server *server, int errorcode, struc
 {
 	struct nfs_client *clp = server->nfs_client;
 	struct nfs4_state *state = exception->state;
+	struct inode *inode = exception->inode;
 	int ret = errorcode;
 
 	exception->retry = 0;
 	switch(errorcode) {
 		case 0:
 			return 0;
+		case -NFS4ERR_OPENMODE:
+			if (nfs_have_delegation(inode, FMODE_READ)) {
+				nfs_inode_return_delegation(inode);
+				exception->retry = 1;
+				return 0;
+			}
+			if (state == NULL)
+				break;
+			nfs4_schedule_stateid_recovery(server, state);
+			goto wait_on_recovery;
+		case -NFS4ERR_DELEG_REVOKED:
 		case -NFS4ERR_ADMIN_REVOKED:
 		case -NFS4ERR_BAD_STATEID:
-		case -NFS4ERR_OPENMODE:
+			if (state != NULL)
+				nfs_remove_bad_delegation(state->inode);
 			if (state == NULL)
 				break;
 			nfs4_schedule_stateid_recovery(server, state);
@@ -1316,8 +1329,11 @@ int nfs4_open_delegation_recall(struct nfs_open_context *ctx, struct nfs4_state
 				 * The show must go on: exit, but mark the
 				 * stateid as needing recovery.
 				 */
+			case -NFS4ERR_DELEG_REVOKED:
 			case -NFS4ERR_ADMIN_REVOKED:
 			case -NFS4ERR_BAD_STATEID:
+				nfs_inode_find_state_and_recover(state->inode,
+						stateid);
 				nfs4_schedule_stateid_recovery(server, state);
 			case -EKEYEXPIRED:
 				/*
@@ -1822,7 +1838,7 @@ static struct nfs4_state *nfs4_do_open(struct inode *dir, struct dentry *dentry,
 		 * the user though...
 		 */
 		if (status == -NFS4ERR_BAD_SEQID) {
-			printk(KERN_WARNING "NFS: v4 server %s "
+			pr_warn_ratelimited("NFS: v4 server %s "
 					" returned a bad sequence-id error!\n",
 					NFS_SERVER(dir)->nfs_client->cl_hostname);
 			exception.retry = 1;
@@ -1893,7 +1909,10 @@ static int nfs4_do_setattr(struct inode *inode, struct rpc_cred *cred,
 			   struct nfs4_state *state)
 {
 	struct nfs_server *server = NFS_SERVER(inode);
-	struct nfs4_exception exception = { };
+	struct nfs4_exception exception = {
+		.state = state,
+		.inode = inode,
+	};
 	int err;
 	do {
 		err = nfs4_handle_exception(server,
@@ -2223,11 +2242,12 @@ static int nfs4_lookup_root(struct nfs_server *server, struct nfs_fh *fhandle,
 		switch (err) {
 		case 0:
 		case -NFS4ERR_WRONGSEC:
-			break;
+			goto out;
 		default:
 			err = nfs4_handle_exception(server, err, &exception);
 		}
 	} while (exception.retry);
+out:
 	return err;
 }
 
@@ -3707,8 +3727,11 @@ nfs4_async_handle_error(struct rpc_task *task, const struct nfs_server *server,
 	if (task->tk_status >= 0)
 		return 0;
 	switch(task->tk_status) {
+		case -NFS4ERR_DELEG_REVOKED:
 		case -NFS4ERR_ADMIN_REVOKED:
 		case -NFS4ERR_BAD_STATEID:
+			if (state != NULL)
+				nfs_remove_bad_delegation(state->inode);
 		case -NFS4ERR_OPENMODE:
 			if (state == NULL)
 				break;
@@ -4526,7 +4549,9 @@ out:
 
 static int nfs4_proc_setlk(struct nfs4_state *state, int cmd, struct file_lock *request)
 {
-	struct nfs4_exception exception = { };
+	struct nfs4_exception exception = {
+		.state = state,
+	};
 	int err;
 
 	do {
@@ -4619,6 +4644,7 @@ int nfs4_lock_delegation_recall(struct nfs4_state *state, struct file_lock *fl)
 				 * The show must go on: exit, but mark the
 				 * stateid as needing recovery.
 				 */
+			case -NFS4ERR_DELEG_REVOKED:
 			case -NFS4ERR_ADMIN_REVOKED:
 			case -NFS4ERR_BAD_STATEID:
 			case -NFS4ERR_OPENMODE:
@@ -5957,21 +5983,22 @@ nfs4_layoutcommit_done(struct rpc_task *task, void *calldata)
 		return;
 
 	switch (task->tk_status) { /* Just ignore these failures */
-	case NFS4ERR_DELEG_REVOKED: /* layout was recalled */
-	case NFS4ERR_BADIOMODE:     /* no IOMODE_RW layout for range */
-	case NFS4ERR_BADLAYOUT:     /* no layout */
-	case NFS4ERR_GRACE:	    /* loca_recalim always false */
+	case -NFS4ERR_DELEG_REVOKED: /* layout was recalled */
+	case -NFS4ERR_BADIOMODE:     /* no IOMODE_RW layout for range */
+	case -NFS4ERR_BADLAYOUT:     /* no layout */
+	case -NFS4ERR_GRACE:	    /* loca_recalim always false */
 		task->tk_status = 0;
-	}
-
-	if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
-		rpc_restart_call_prepare(task);
-		return;
-	}
-
-	if (task->tk_status == 0)
+		break;
+	case 0:
 		nfs_post_op_update_inode_force_wcc(data->args.inode,
 						   data->res.fattr);
+		break;
+	default:
+		if (nfs4_async_handle_error(task, server, NULL) == -EAGAIN) {
+			rpc_restart_call_prepare(task);
+			return;
+		}
+	}
 }
 
 static void nfs4_layoutcommit_release(void *calldata)
@@ -6074,11 +6101,12 @@ nfs41_proc_secinfo_no_name(struct nfs_server *server, struct nfs_fh *fhandle,
 		case 0:
 		case -NFS4ERR_WRONGSEC:
 		case -NFS4ERR_NOTSUPP:
-			break;
+			goto out;
 		default:
 			err = nfs4_handle_exception(server, err, &exception);
 		}
 	} while (exception.retry);
+out:
 	return err;
 }
 
diff --git a/fs/nfs/nfs4state.c b/fs/nfs/nfs4state.c
index a58eed7..66020ac 100644
--- a/fs/nfs/nfs4state.c
+++ b/fs/nfs/nfs4state.c
@@ -935,7 +935,7 @@ static void nfs_increment_seqid(int status, struct nfs_seqid *seqid)
 		case -NFS4ERR_BAD_SEQID:
 			if (seqid->sequence->flags & NFS_SEQID_CONFIRMED)
 				return;
-			printk(KERN_WARNING "NFS: v4 server returned a bad"
+			pr_warn_ratelimited("NFS: v4 server returned a bad"
 					" sequence-id error on an"
 					" unconfirmed sequence %p!\n",
 					seqid->sequence);
@@ -1071,12 +1071,37 @@ void nfs4_schedule_stateid_recovery(const struct nfs_server *server, struct nfs4
 {
 	struct nfs_client *clp = server->nfs_client;
 
-	if (test_and_clear_bit(NFS_DELEGATED_STATE, &state->flags))
-		nfs_async_inode_return_delegation(state->inode, &state->stateid);
 	nfs4_state_mark_reclaim_nograce(clp, state);
 	nfs4_schedule_state_manager(clp);
 }
 
+void nfs_inode_find_state_and_recover(struct inode *inode,
+		const nfs4_stateid *stateid)
+{
+	struct nfs_client *clp = NFS_SERVER(inode)->nfs_client;
+	struct nfs_inode *nfsi = NFS_I(inode);
+	struct nfs_open_context *ctx;
+	struct nfs4_state *state;
+	bool found = false;
+
+	spin_lock(&inode->i_lock);
+	list_for_each_entry(ctx, &nfsi->open_files, list) {
+		state = ctx->state;
+		if (state == NULL)
+			continue;
+		if (!test_bit(NFS_DELEGATED_STATE, &state->flags))
+			continue;
+		if (memcmp(state->stateid.data, stateid->data, sizeof(state->stateid.data)) != 0)
+			continue;
+		nfs4_state_mark_reclaim_nograce(clp, state);
+		found = true;
+	}
+	spin_unlock(&inode->i_lock);
+	if (found)
+		nfs4_schedule_state_manager(clp);
+}
+
+
 static int nfs4_reclaim_locks(struct nfs4_state *state, const struct nfs4_state_recovery_ops *ops)
 {
 	struct inode *inode = state->inode;
@@ -1739,7 +1764,7 @@ static void nfs4_state_manager(struct nfs_client *clp)
 	} while (atomic_read(&clp->cl_count) > 1);
 	return;
 out_error:
-	printk(KERN_WARNING "Error: state manager failed on NFSv4 server %s"
+	pr_warn_ratelimited("NFS: state manager failed on NFSv4 server %s"
 			" with error %d\n", clp->cl_hostname, -status);
 	nfs4_end_drain_session(clp);
 	nfs4_clear_state_manager_bit(clp);
diff --git a/fs/proc/namespaces.c b/fs/proc/namespaces.c
index be177f7..d6c078e 100644
--- a/fs/proc/namespaces.c
+++ b/fs/proc/namespaces.c
@@ -54,7 +54,7 @@ static struct dentry *proc_ns_instantiate(struct inode *dir,
 	ei->ns_ops    = ns_ops;
 	ei->ns	      = ns;
 
-	dentry->d_op = &pid_dentry_operations;
+	d_set_d_op(dentry, &pid_dentry_operations);
 	d_add(dentry, inode);
 	/* Close the race of the process dying before we return the dentry */
 	if (pid_revalidate(dentry, NULL))
diff --git a/fs/proc/proc_sysctl.c b/fs/proc/proc_sysctl.c
index a6b6217..53c3bce 100644
--- a/fs/proc/proc_sysctl.c
+++ b/fs/proc/proc_sysctl.c
@@ -188,20 +188,32 @@ static ssize_t proc_sys_write(struct file *filp, const char __user *buf,
 
 static int proc_sys_open(struct inode *inode, struct file *filp)
 {
+	struct ctl_table_header *head = grab_header(inode);
 	struct ctl_table *table = PROC_I(inode)->sysctl_entry;
 
+	/* sysctl was unregistered */
+	if (IS_ERR(head))
+		return PTR_ERR(head);
+
 	if (table->poll)
 		filp->private_data = proc_sys_poll_event(table->poll);
 
+	sysctl_head_finish(head);
+
 	return 0;
 }
 
 static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
 {
 	struct inode *inode = filp->f_path.dentry->d_inode;
+	struct ctl_table_header *head = grab_header(inode);
 	struct ctl_table *table = PROC_I(inode)->sysctl_entry;
-	unsigned long event = (unsigned long)filp->private_data;
 	unsigned int ret = DEFAULT_POLLMASK;
+	unsigned long event;
+
+	/* sysctl was unregistered */
+	if (IS_ERR(head))
+		return POLLERR | POLLHUP;
 
 	if (!table->proc_handler)
 		goto out;
@@ -209,6 +221,7 @@ static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
 	if (!table->poll)
 		goto out;
 
+	event = (unsigned long)filp->private_data;
 	poll_wait(filp, &table->poll->wait, wait);
 
 	if (event != atomic_read(&table->poll->event)) {
@@ -217,6 +230,8 @@ static unsigned int proc_sys_poll(struct file *filp, poll_table *wait)
 	}
 
 out:
+	sysctl_head_finish(head);
+
 	return ret;
 }
 
diff --git a/fs/proc/task_mmu.c b/fs/proc/task_mmu.c
index 7dcd2a2..3efa725 100644
--- a/fs/proc/task_mmu.c
+++ b/fs/proc/task_mmu.c
@@ -409,6 +409,9 @@ static int smaps_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 	} else {
 		spin_unlock(&walk->mm->page_table_lock);
 	}
+
+	if (pmd_trans_unstable(pmd))
+		return 0;
 	/*
 	 * The mmap_sem held all the way back in m_start() is what
 	 * keeps khugepaged out of here and from collapsing things
@@ -507,6 +510,8 @@ static int clear_refs_pte_range(pmd_t *pmd, unsigned long addr,
 	struct page *page;
 
 	split_huge_page_pmd(walk->mm, pmd);
+	if (pmd_trans_unstable(pmd))
+		return 0;
 
 	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
 	for (; addr != end; pte++, addr += PAGE_SIZE) {
@@ -670,6 +675,8 @@ static int pagemap_pte_range(pmd_t *pmd, unsigned long addr, unsigned long end,
 	int err = 0;
 
 	split_huge_page_pmd(walk->mm, pmd);
+	if (pmd_trans_unstable(pmd))
+		return 0;
 
 	/* find the first VMA at or above 'addr' */
 	vma = find_vma(walk->mm, addr);
@@ -961,6 +968,8 @@ static int gather_pte_stats(pmd_t *pmd, unsigned long addr,
 		spin_unlock(&walk->mm->page_table_lock);
 	}
 
+	if (pmd_trans_unstable(pmd))
+		return 0;
 	orig_pte = pte = pte_offset_map_lock(walk->mm, pmd, addr, &ptl);
 	do {
 		struct page *page = can_gather_numa_stats(*pte, md->vma, addr);
diff --git a/fs/sysfs/inode.c b/fs/sysfs/inode.c
index deb804b..9db61a4 100644
--- a/fs/sysfs/inode.c
+++ b/fs/sysfs/inode.c
@@ -136,12 +136,13 @@ static int sysfs_sd_setsecdata(struct sysfs_dirent *sd, void **secdata, u32 *sec
 	void *old_secdata;
 	size_t old_secdata_len;
 
-	iattrs = sd->s_iattr;
-	if (!iattrs)
-		iattrs = sysfs_init_inode_attrs(sd);
-	if (!iattrs)
-		return -ENOMEM;
+	if (!sd->s_iattr) {
+		sd->s_iattr = sysfs_init_inode_attrs(sd);
+		if (!sd->s_iattr)
+			return -ENOMEM;
+	}
 
+	iattrs = sd->s_iattr;
 	old_secdata = iattrs->ia_secdata;
 	old_secdata_len = iattrs->ia_secdata_len;
 
diff --git a/fs/udf/file.c b/fs/udf/file.c
index dca0c38..d567b84 100644
--- a/fs/udf/file.c
+++ b/fs/udf/file.c
@@ -201,12 +201,10 @@ out:
 static int udf_release_file(struct inode *inode, struct file *filp)
 {
 	if (filp->f_mode & FMODE_WRITE) {
-		mutex_lock(&inode->i_mutex);
 		down_write(&UDF_I(inode)->i_data_sem);
 		udf_discard_prealloc(inode);
 		udf_truncate_tail_extent(inode);
 		up_write(&UDF_I(inode)->i_data_sem);
-		mutex_unlock(&inode->i_mutex);
 	}
 	return 0;
 }
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 0fa98b1..cfc4277 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -353,9 +353,20 @@ xfs_iget_cache_miss(
 			BUG();
 	}
 
-	spin_lock(&pag->pag_ici_lock);
+	/*
+	 * These values must be set before inserting the inode into the radix
+	 * tree as the moment it is inserted a concurrent lookup (allowed by the
+	 * RCU locking mechanism) can find it and that lookup must see that this
+	 * is an inode currently under construction (i.e. that XFS_INEW is set).
+	 * The ip->i_flags_lock that protects the XFS_INEW flag forms the
+	 * memory barrier that ensures this detection works correctly at lookup
+	 * time.
+	 */
+	ip->i_udquot = ip->i_gdquot = NULL;
+	xfs_iflags_set(ip, XFS_INEW);
 
 	/* insert the new inode */
+	spin_lock(&pag->pag_ici_lock);
 	error = radix_tree_insert(&pag->pag_ici_root, agino, ip);
 	if (unlikely(error)) {
 		WARN_ON(error != -EEXIST);
@@ -363,11 +374,6 @@ xfs_iget_cache_miss(
 		error = EAGAIN;
 		goto out_preload_end;
 	}
-
-	/* These values _must_ be set before releasing the radix tree lock! */
-	ip->i_udquot = ip->i_gdquot = NULL;
-	xfs_iflags_set(ip, XFS_INEW);
-
 	spin_unlock(&pag->pag_ici_lock);
 	radix_tree_preload_end();
 
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index 541a508..4f5d0ce 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -3161,37 +3161,26 @@ xlog_recover_process_iunlinks(
 			 */
 			continue;
 		}
+		/*
+		 * Unlock the buffer so that it can be acquired in the normal
+		 * course of the transaction to truncate and free each inode.
+		 * Because we are not racing with anyone else here for the AGI
+		 * buffer, we don't even need to hold it locked to read the
+		 * initial unlinked bucket entries out of the buffer. We keep
+		 * buffer reference though, so that it stays pinned in memory
+		 * while we need the buffer.
+		 */
 		agi = XFS_BUF_TO_AGI(agibp);
+		xfs_buf_unlock(agibp);
 
 		for (bucket = 0; bucket < XFS_AGI_UNLINKED_BUCKETS; bucket++) {
 			agino = be32_to_cpu(agi->agi_unlinked[bucket]);
 			while (agino != NULLAGINO) {
-				/*
-				 * Release the agi buffer so that it can
-				 * be acquired in the normal course of the
-				 * transaction to truncate and free the inode.
-				 */
-				xfs_buf_relse(agibp);
-
 				agino = xlog_recover_process_one_iunlink(mp,
 							agno, agino, bucket);
-
-				/*
-				 * Reacquire the agibuffer and continue around
-				 * the loop. This should never fail as we know
-				 * the buffer was good earlier on.
-				 */
-				error = xfs_read_agi(mp, NULL, agno, &agibp);
-				ASSERT(error == 0);
-				agi = XFS_BUF_TO_AGI(agibp);
 			}
 		}
-
-		/*
-		 * Release the buffer for the current agi so we can
-		 * go on to the next one.
-		 */
-		xfs_buf_relse(agibp);
+		xfs_buf_rele(agibp);
 	}
 
 	mp->m_dmevmask = mp_dmevmask;
diff --git a/include/asm-generic/pgtable.h b/include/asm-generic/pgtable.h
index 76bff2b..a03c098 100644
--- a/include/asm-generic/pgtable.h
+++ b/include/asm-generic/pgtable.h
@@ -425,6 +425,8 @@ extern void untrack_pfn_vma(struct vm_area_struct *vma, unsigned long pfn,
 				unsigned long size);
 #endif
 
+#ifdef CONFIG_MMU
+
 #ifndef CONFIG_TRANSPARENT_HUGEPAGE
 static inline int pmd_trans_huge(pmd_t pmd)
 {
@@ -441,7 +443,66 @@ static inline int pmd_write(pmd_t pmd)
 	return 0;
 }
 #endif /* __HAVE_ARCH_PMD_WRITE */
+#endif /* CONFIG_TRANSPARENT_HUGEPAGE */
+
+/*
+ * This function is meant to be used by sites walking pagetables with
+ * the mmap_sem hold in read mode to protect against MADV_DONTNEED and
+ * transhuge page faults. MADV_DONTNEED can convert a transhuge pmd
+ * into a null pmd and the transhuge page fault can convert a null pmd
+ * into an hugepmd or into a regular pmd (if the hugepage allocation
+ * fails). While holding the mmap_sem in read mode the pmd becomes
+ * stable and stops changing under us only if it's not null and not a
+ * transhuge pmd. When those races occurs and this function makes a
+ * difference vs the standard pmd_none_or_clear_bad, the result is
+ * undefined so behaving like if the pmd was none is safe (because it
+ * can return none anyway). The compiler level barrier() is critically
+ * important to compute the two checks atomically on the same pmdval.
+ */
+static inline int pmd_none_or_trans_huge_or_clear_bad(pmd_t *pmd)
+{
+	/* depend on compiler for an atomic pmd read */
+	pmd_t pmdval = *pmd;
+	/*
+	 * The barrier will stabilize the pmdval in a register or on
+	 * the stack so that it will stop changing under the code.
+	 */
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+	barrier();
+#endif
+	if (pmd_none(pmdval))
+		return 1;
+	if (unlikely(pmd_bad(pmdval))) {
+		if (!pmd_trans_huge(pmdval))
+			pmd_clear_bad(pmd);
+		return 1;
+	}
+	return 0;
+}
+
+/*
+ * This is a noop if Transparent Hugepage Support is not built into
+ * the kernel. Otherwise it is equivalent to
+ * pmd_none_or_trans_huge_or_clear_bad(), and shall only be called in
+ * places that already verified the pmd is not none and they want to
+ * walk ptes while holding the mmap sem in read mode (write mode don't
+ * need this). If THP is not enabled, the pmd can't go away under the
+ * code even if MADV_DONTNEED runs, but if THP is enabled we need to
+ * run a pmd_trans_unstable before walking the ptes after
+ * split_huge_page_pmd returns (because it may have run when the pmd
+ * become null, but then a page fault can map in a THP and not a
+ * regular page).
+ */
+static inline int pmd_trans_unstable(pmd_t *pmd)
+{
+#ifdef CONFIG_TRANSPARENT_HUGEPAGE
+	return pmd_none_or_trans_huge_or_clear_bad(pmd);
+#else
+	return 0;
 #endif
+}
+
+#endif /* CONFIG_MMU */
 
 #endif /* !__ASSEMBLY__ */
 
diff --git a/include/asm-generic/unistd.h b/include/asm-generic/unistd.h
index 2292d1a..991ef01 100644
--- a/include/asm-generic/unistd.h
+++ b/include/asm-generic/unistd.h
@@ -218,7 +218,7 @@ __SC_COMP(__NR_pwritev, sys_pwritev, compat_sys_pwritev)
 
 /* fs/sendfile.c */
 #define __NR3264_sendfile 71
-__SC_3264(__NR3264_sendfile, sys_sendfile64, sys_sendfile)
+__SYSCALL(__NR3264_sendfile, sys_sendfile64)
 
 /* fs/select.c */
 #define __NR_pselect6 72
diff --git a/include/linux/fb.h b/include/linux/fb.h
index 1d6836c..73845ce 100644
--- a/include/linux/fb.h
+++ b/include/linux/fb.h
@@ -997,6 +997,7 @@ extern ssize_t fb_sys_write(struct fb_info *info, const char __user *buf,
 /* drivers/video/fbmem.c */
 extern int register_framebuffer(struct fb_info *fb_info);
 extern int unregister_framebuffer(struct fb_info *fb_info);
+extern int unlink_framebuffer(struct fb_info *fb_info);
 extern void remove_conflicting_framebuffers(struct apertures_struct *a,
 				const char *name, bool primary);
 extern int fb_prepare_logo(struct fb_info *fb_info, int rotate);
diff --git a/include/linux/math64.h b/include/linux/math64.h
index 23fcdfc..b8ba855 100644
--- a/include/linux/math64.h
+++ b/include/linux/math64.h
@@ -6,6 +6,8 @@
 
 #if BITS_PER_LONG == 64
 
+#define div64_long(x,y) div64_s64((x),(y))
+
 /**
  * div_u64_rem - unsigned 64bit divide with 32bit divisor with remainder
  *
@@ -45,6 +47,8 @@ static inline s64 div64_s64(s64 dividend, s64 divisor)
 
 #elif BITS_PER_LONG == 32
 
+#define div64_long(x,y) div_s64((x),(y))
+
 #ifndef div_u64_rem
 static inline u64 div_u64_rem(u64 dividend, u32 divisor, u32 *remainder)
 {
diff --git a/include/linux/rtc.h b/include/linux/rtc.h
index 93f4d03..fcabfb4 100644
--- a/include/linux/rtc.h
+++ b/include/linux/rtc.h
@@ -202,7 +202,8 @@ struct rtc_device
 	struct hrtimer pie_timer; /* sub second exp, so needs hrtimer */
 	int pie_enabled;
 	struct work_struct irqwork;
-
+	/* Some hardware can't support UIE mode */
+	int uie_unsupported;
 
 #ifdef CONFIG_RTC_INTF_DEV_UIE_EMUL
 	struct work_struct uie_task;
diff --git a/kernel/futex.c b/kernel/futex.c
index 1614be2..0677023 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -2641,6 +2641,16 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout,
 	}
 
 	switch (cmd) {
+	case FUTEX_LOCK_PI:
+	case FUTEX_UNLOCK_PI:
+	case FUTEX_TRYLOCK_PI:
+	case FUTEX_WAIT_REQUEUE_PI:
+	case FUTEX_CMP_REQUEUE_PI:
+		if (!futex_cmpxchg_enabled)
+			return -ENOSYS;
+	}
+
+	switch (cmd) {
 	case FUTEX_WAIT:
 		val3 = FUTEX_BITSET_MATCH_ANY;
 	case FUTEX_WAIT_BITSET:
@@ -2661,16 +2671,13 @@ long do_futex(u32 __user *uaddr, int op, u32 val, ktime_t *timeout,
 		ret = futex_wake_op(uaddr, flags, uaddr2, val, val2, val3);
 		break;
 	case FUTEX_LOCK_PI:
-		if (futex_cmpxchg_enabled)
-			ret = futex_lock_pi(uaddr, flags, val, timeout, 0);
+		ret = futex_lock_pi(uaddr, flags, val, timeout, 0);
 		break;
 	case FUTEX_UNLOCK_PI:
-		if (futex_cmpxchg_enabled)
-			ret = futex_unlock_pi(uaddr, flags);
+		ret = futex_unlock_pi(uaddr, flags);
 		break;
 	case FUTEX_TRYLOCK_PI:
-		if (futex_cmpxchg_enabled)
-			ret = futex_lock_pi(uaddr, flags, 0, timeout, 1);
+		ret = futex_lock_pi(uaddr, flags, 0, timeout, 1);
 		break;
 	case FUTEX_WAIT_REQUEUE_PI:
 		val3 = FUTEX_BITSET_MATCH_ANY;
diff --git a/kernel/irq/chip.c b/kernel/irq/chip.c
index fb7db75..25784d6 100644
--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -61,8 +61,7 @@ int irq_set_irq_type(unsigned int irq, unsigned int type)
 		return -EINVAL;
 
 	type &= IRQ_TYPE_SENSE_MASK;
-	if (type != IRQ_TYPE_NONE)
-		ret = __irq_set_trigger(desc, irq, type);
+	ret = __irq_set_trigger(desc, irq, type);
 	irq_put_desc_busunlock(desc, flags);
 	return ret;
 }
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index ae95cd2..7600092 100644
--- a/kernel/irq/manage.c
+++ b/kernel/irq/manage.c
@@ -773,7 +773,7 @@ static int irq_thread(void *data)
 			struct irqaction *action);
 	int wake;
 
-	if (force_irqthreads & test_bit(IRQTF_FORCED_THREAD,
+	if (force_irqthreads && test_bit(IRQTF_FORCED_THREAD,
 					&action->thread_flags))
 		handler_fn = irq_forced_thread_fn;
 	else
diff --git a/kernel/module.c b/kernel/module.c
index 178333c..6969ef0 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -2341,8 +2341,7 @@ static int copy_and_check(struct load_info *info,
 		return -ENOEXEC;
 
 	/* Suck in entire file: we'll want most of it. */
-	/* vmalloc barfs on "unusual" numbers.  Check here */
-	if (len > 64 * 1024 * 1024 || (hdr = vmalloc(len)) == NULL)
+	if ((hdr = vmalloc(len)) == NULL)
 		return -ENOMEM;
 
 	if (copy_from_user(hdr, umod, len) != 0) {
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 624538a..7c0d578 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -648,7 +648,7 @@ int hibernate(void)
 	/* Allocate memory management structures */
 	error = create_basic_memory_bitmaps();
 	if (error)
-		goto Exit;
+		goto Enable_umh;
 
 	printk(KERN_INFO "PM: Syncing filesystems ... ");
 	sys_sync();
@@ -656,7 +656,7 @@ int hibernate(void)
 
 	error = prepare_processes();
 	if (error)
-		goto Finish;
+		goto Free_bitmaps;
 
 	error = hibernation_snapshot(hibernation_mode == HIBERNATION_PLATFORM);
 	if (error)
@@ -689,8 +689,9 @@ int hibernate(void)
 
  Thaw:
 	thaw_processes();
- Finish:
+ Free_bitmaps:
 	free_basic_memory_bitmaps();
+ Enable_umh:
 	usermodehelper_enable();
  Exit:
 	pm_notifier_call_chain(PM_POST_HIBERNATION);
diff --git a/kernel/time/ntp.c b/kernel/time/ntp.c
index f6117a4..4b85a7a 100644
--- a/kernel/time/ntp.c
+++ b/kernel/time/ntp.c
@@ -275,7 +275,7 @@ static inline s64 ntp_update_offset_fll(s64 offset64, long secs)
 
 	time_status |= STA_MODE;
 
-	return div_s64(offset64 << (NTP_SCALE_SHIFT - SHIFT_FLL), secs);
+	return div64_long(offset64 << (NTP_SCALE_SHIFT - SHIFT_FLL), secs);
 }
 
 static void ntp_update_offset(long offset)
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index ad72a03..6d40244 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -29,16 +29,17 @@
 
 u64 uevent_seqnum;
 char uevent_helper[UEVENT_HELPER_PATH_LEN] = CONFIG_UEVENT_HELPER_PATH;
-static DEFINE_SPINLOCK(sequence_lock);
 #ifdef CONFIG_NET
 struct uevent_sock {
 	struct list_head list;
 	struct sock *sk;
 };
 static LIST_HEAD(uevent_sock_list);
-static DEFINE_MUTEX(uevent_sock_mutex);
 #endif
 
+/* This lock protects uevent_seqnum and uevent_sock_list */
+static DEFINE_MUTEX(uevent_sock_mutex);
+
 /* the strings here must match the enum in include/linux/kobject.h */
 static const char *kobject_actions[] = {
 	[KOBJ_ADD] =		"add",
@@ -136,7 +137,6 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 	struct kobject *top_kobj;
 	struct kset *kset;
 	const struct kset_uevent_ops *uevent_ops;
-	u64 seq;
 	int i = 0;
 	int retval = 0;
 #ifdef CONFIG_NET
@@ -243,17 +243,16 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 	else if (action == KOBJ_REMOVE)
 		kobj->state_remove_uevent_sent = 1;
 
+	mutex_lock(&uevent_sock_mutex);
 	/* we will send an event, so request a new sequence number */
-	spin_lock(&sequence_lock);
-	seq = ++uevent_seqnum;
-	spin_unlock(&sequence_lock);
-	retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)seq);
-	if (retval)
+	retval = add_uevent_var(env, "SEQNUM=%llu", (unsigned long long)++uevent_seqnum);
+	if (retval) {
+		mutex_unlock(&uevent_sock_mutex);
 		goto exit;
+	}
 
 #if defined(CONFIG_NET)
 	/* send netlink message */
-	mutex_lock(&uevent_sock_mutex);
 	list_for_each_entry(ue_sk, &uevent_sock_list, list) {
 		struct sock *uevent_sock = ue_sk->sk;
 		struct sk_buff *skb;
@@ -287,8 +286,8 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
 		} else
 			retval = -ENOMEM;
 	}
-	mutex_unlock(&uevent_sock_mutex);
 #endif
+	mutex_unlock(&uevent_sock_mutex);
 
 	/* call uevent_helper, usually only enabled during early boot */
 	if (uevent_helper[0] && !kobj_usermode_filter(kobj)) {
diff --git a/mm/bootmem.c b/mm/bootmem.c
index 1a77012..b863822 100644
--- a/mm/bootmem.c
+++ b/mm/bootmem.c
@@ -768,14 +768,13 @@ void * __init alloc_bootmem_section(unsigned long size,
 				    unsigned long section_nr)
 {
 	bootmem_data_t *bdata;
-	unsigned long pfn, goal, limit;
+	unsigned long pfn, goal;
 
 	pfn = section_nr_to_pfn(section_nr);
 	goal = pfn << PAGE_SHIFT;
-	limit = section_nr_to_pfn(section_nr + 1) << PAGE_SHIFT;
 	bdata = &bootmem_node_data[early_pfn_to_nid(pfn)];
 
-	return alloc_bootmem_core(bdata, size, SMP_CACHE_BYTES, goal, limit);
+	return alloc_bootmem_core(bdata, size, SMP_CACHE_BYTES, goal, 0);
 }
 #endif
 
diff --git a/mm/memcontrol.c b/mm/memcontrol.c
index de67e91..778554f 100644
--- a/mm/memcontrol.c
+++ b/mm/memcontrol.c
@@ -5237,6 +5237,8 @@ static int mem_cgroup_count_precharge_pte_range(pmd_t *pmd,
 	spinlock_t *ptl;
 
 	split_huge_page_pmd(walk->mm, pmd);
+	if (pmd_trans_unstable(pmd))
+		return 0;
 
 	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
 	for (; addr != end; pte++, addr += PAGE_SIZE)
@@ -5398,6 +5400,8 @@ static int mem_cgroup_move_charge_pte_range(pmd_t *pmd,
 	spinlock_t *ptl;
 
 	split_huge_page_pmd(walk->mm, pmd);
+	if (pmd_trans_unstable(pmd))
+		return 0;
 retry:
 	pte = pte_offset_map_lock(vma->vm_mm, pmd, addr, &ptl);
 	for (; addr != end; addr += PAGE_SIZE) {
diff --git a/mm/memory.c b/mm/memory.c
index 829d437..1b1ca17 100644
--- a/mm/memory.c
+++ b/mm/memory.c
@@ -1228,16 +1228,24 @@ static inline unsigned long zap_pmd_range(struct mmu_gather *tlb,
 	do {
 		next = pmd_addr_end(addr, end);
 		if (pmd_trans_huge(*pmd)) {
-			if (next-addr != HPAGE_PMD_SIZE) {
+			if (next - addr != HPAGE_PMD_SIZE) {
 				VM_BUG_ON(!rwsem_is_locked(&tlb->mm->mmap_sem));
 				split_huge_page_pmd(vma->vm_mm, pmd);
 			} else if (zap_huge_pmd(tlb, vma, pmd))
-				continue;
+				goto next;
 			/* fall through */
 		}
-		if (pmd_none_or_clear_bad(pmd))
-			continue;
+		/*
+		 * Here there can be other concurrent MADV_DONTNEED or
+		 * trans huge page faults running, and if the pmd is
+		 * none or trans huge it can change under us. This is
+		 * because MADV_DONTNEED holds the mmap_sem in read
+		 * mode.
+		 */
+		if (pmd_none_or_trans_huge_or_clear_bad(pmd))
+			goto next;
 		next = zap_pte_range(tlb, vma, pmd, addr, next, details);
+next:
 		cond_resched();
 	} while (pmd++, addr = next, addr != end);
 
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index c3fdbcb..b26aae2 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -512,7 +512,7 @@ static inline int check_pmd_range(struct vm_area_struct *vma, pud_t *pud,
 	do {
 		next = pmd_addr_end(addr, end);
 		split_huge_page_pmd(vma->vm_mm, pmd);
-		if (pmd_none_or_clear_bad(pmd))
+		if (pmd_none_or_trans_huge_or_clear_bad(pmd))
 			continue;
 		if (check_pte_range(vma, pmd, addr, next, nodes,
 				    flags, private))
diff --git a/mm/mincore.c b/mm/mincore.c
index 636a868..936b4ce 100644
--- a/mm/mincore.c
+++ b/mm/mincore.c
@@ -164,7 +164,7 @@ static void mincore_pmd_range(struct vm_area_struct *vma, pud_t *pud,
 			}
 			/* fall through */
 		}
-		if (pmd_none_or_clear_bad(pmd))
+		if (pmd_none_or_trans_huge_or_clear_bad(pmd))
 			mincore_unmapped_range(vma, addr, next, vec);
 		else
 			mincore_pte_range(vma, pmd, addr, next, vec);
diff --git a/mm/pagewalk.c b/mm/pagewalk.c
index 2f5cf10..aa9701e 100644
--- a/mm/pagewalk.c
+++ b/mm/pagewalk.c
@@ -59,7 +59,7 @@ again:
 			continue;
 
 		split_huge_page_pmd(walk->mm, pmd);
-		if (pmd_none_or_clear_bad(pmd))
+		if (pmd_none_or_trans_huge_or_clear_bad(pmd))
 			goto again;
 		err = walk_pte_range(pmd, addr, next, walk);
 		if (err)
diff --git a/mm/slub.c b/mm/slub.c
index 1a919f0..a99c785 100644
--- a/mm/slub.c
+++ b/mm/slub.c
@@ -3911,13 +3911,14 @@ struct kmem_cache *kmem_cache_create(const char *name, size_t size,
 		if (kmem_cache_open(s, n,
 				size, align, flags, ctor)) {
 			list_add(&s->list, &slab_caches);
+			up_write(&slub_lock);
 			if (sysfs_slab_add(s)) {
+				down_write(&slub_lock);
 				list_del(&s->list);
 				kfree(n);
 				kfree(s);
 				goto err;
 			}
-			up_write(&slub_lock);
 			return s;
 		}
 		kfree(n);
diff --git a/mm/sparse.c b/mm/sparse.c
index 61d7cde..a8bc7d3 100644
--- a/mm/sparse.c
+++ b/mm/sparse.c
@@ -353,29 +353,21 @@ static void __init sparse_early_usemaps_alloc_node(unsigned long**usemap_map,
 
 	usemap = sparse_early_usemaps_alloc_pgdat_section(NODE_DATA(nodeid),
 								 usemap_count);
-	if (usemap) {
-		for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
-			if (!present_section_nr(pnum))
-				continue;
-			usemap_map[pnum] = usemap;
-			usemap += size;
+	if (!usemap) {
+		usemap = alloc_bootmem_node(NODE_DATA(nodeid), size * usemap_count);
+		if (!usemap) {
+			printk(KERN_WARNING "%s: allocation failed\n", __func__);
+			return;
 		}
-		return;
 	}
 
-	usemap = alloc_bootmem_node(NODE_DATA(nodeid), size * usemap_count);
-	if (usemap) {
-		for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
-			if (!present_section_nr(pnum))
-				continue;
-			usemap_map[pnum] = usemap;
-			usemap += size;
-			check_usemap_section_nr(nodeid, usemap_map[pnum]);
-		}
-		return;
+	for (pnum = pnum_begin; pnum < pnum_end; pnum++) {
+		if (!present_section_nr(pnum))
+			continue;
+		usemap_map[pnum] = usemap;
+		usemap += size;
+		check_usemap_section_nr(nodeid, usemap_map[pnum]);
 	}
-
-	printk(KERN_WARNING "%s: allocation failed\n", __func__);
 }
 
 #ifndef CONFIG_SPARSEMEM_VMEMMAP
diff --git a/mm/swapfile.c b/mm/swapfile.c
index b1cd120..2015a1e 100644
--- a/mm/swapfile.c
+++ b/mm/swapfile.c
@@ -931,9 +931,7 @@ static inline int unuse_pmd_range(struct vm_area_struct *vma, pud_t *pud,
 	pmd = pmd_offset(pud, addr);
 	do {
 		next = pmd_addr_end(addr, end);
-		if (unlikely(pmd_trans_huge(*pmd)))
-			continue;
-		if (pmd_none_or_clear_bad(pmd))
+		if (pmd_none_or_trans_huge_or_clear_bad(pmd))
 			continue;
 		ret = unuse_pte_range(vma, pmd, addr, next, entry, page);
 		if (ret)
diff --git a/net/core/dev.c b/net/core/dev.c
index c56cacf..55cd370 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -3634,7 +3634,8 @@ EXPORT_SYMBOL(napi_gro_receive);
 static void napi_reuse_skb(struct napi_struct *napi, struct sk_buff *skb)
 {
 	__skb_pull(skb, skb_headlen(skb));
-	skb_reserve(skb, NET_IP_ALIGN - skb_headroom(skb));
+	/* restore the reserve we had after netdev_alloc_skb_ip_align() */
+	skb_reserve(skb, NET_SKB_PAD + NET_IP_ALIGN - skb_headroom(skb));
 	skb->vlan_tci = 0;
 	skb->dev = napi->dev;
 	skb->skb_iif = 0;
diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index 9083e82..2ef859a 100644
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -1116,6 +1116,8 @@ static const struct nla_policy ifla_vf_policy[IFLA_VF_MAX+1] = {
 				    .len = sizeof(struct ifla_vf_vlan) },
 	[IFLA_VF_TX_RATE]	= { .type = NLA_BINARY,
 				    .len = sizeof(struct ifla_vf_tx_rate) },
+	[IFLA_VF_SPOOFCHK]	= { .type = NLA_BINARY,
+				    .len = sizeof(struct ifla_vf_spoofchk) },
 };
 
 static const struct nla_policy ifla_port_policy[IFLA_PORT_MAX+1] = {
diff --git a/net/ipv6/ip6_output.c b/net/ipv6/ip6_output.c
index ec56271..f7f07e2 100644
--- a/net/ipv6/ip6_output.c
+++ b/net/ipv6/ip6_output.c
@@ -1411,8 +1411,9 @@ alloc_new_skb:
 			 */
 			skb->ip_summed = csummode;
 			skb->csum = 0;
-			/* reserve for fragmentation */
-			skb_reserve(skb, hh_len+sizeof(struct frag_hdr));
+			/* reserve for fragmentation and ipsec header */
+			skb_reserve(skb, hh_len + sizeof(struct frag_hdr) +
+				    dst_exthdrlen);
 
 			if (sk->sk_type == SOCK_DGRAM)
 				skb_shinfo(skb)->tx_flags = tx_flags;
@@ -1420,9 +1421,9 @@ alloc_new_skb:
 			/*
 			 *	Find where to start putting bytes
 			 */
-			data = skb_put(skb, fraglen + dst_exthdrlen);
-			skb_set_network_header(skb, exthdrlen + dst_exthdrlen);
-			data += fragheaderlen + dst_exthdrlen;
+			data = skb_put(skb, fraglen);
+			skb_set_network_header(skb, exthdrlen);
+			data += fragheaderlen;
 			skb->transport_header = (skb->network_header +
 						 fragheaderlen);
 			if (fraggap) {
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index b582a0a..059b9d9 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -2446,8 +2446,12 @@ static int rt6_fill_node(struct net *net,
 
 	rcu_read_lock();
 	n = dst_get_neighbour(&rt->dst);
-	if (n)
-		NLA_PUT(skb, RTA_GATEWAY, 16, &n->primary_key);
+	if (n) {
+		if (nla_put(skb, RTA_GATEWAY, 16, &n->primary_key) < 0) {
+			rcu_read_unlock();
+			goto nla_put_failure;
+		}
+	}
 	rcu_read_unlock();
 
 	if (rt->dst.dev)
diff --git a/net/l2tp/l2tp_ppp.c b/net/l2tp/l2tp_ppp.c
index 8a90d75..b1bd16f 100644
--- a/net/l2tp/l2tp_ppp.c
+++ b/net/l2tp/l2tp_ppp.c
@@ -915,7 +915,7 @@ static int pppol2tp_getname(struct socket *sock, struct sockaddr *uaddr,
 		goto end_put_sess;
 	}
 
-	inet = inet_sk(sk);
+	inet = inet_sk(tunnel->sock);
 	if (tunnel->version == 2) {
 		struct sockaddr_pppol2tp sp;
 		len = sizeof(sp);
diff --git a/net/rds/send.c b/net/rds/send.c
index e2d63c5..96531d4 100644
--- a/net/rds/send.c
+++ b/net/rds/send.c
@@ -935,7 +935,6 @@ int rds_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg,
 	/* Mirror Linux UDP mirror of BSD error message compatibility */
 	/* XXX: Perhaps MSG_MORE someday */
 	if (msg->msg_flags & ~(MSG_DONTWAIT | MSG_CMSG_COMPAT)) {
-		printk(KERN_INFO "msg_flags 0x%08X\n", msg->msg_flags);
 		ret = -EOPNOTSUPP;
 		goto out;
 	}
diff --git a/net/sunrpc/cache.c b/net/sunrpc/cache.c
index 72ad836..4530a91 100644
--- a/net/sunrpc/cache.c
+++ b/net/sunrpc/cache.c
@@ -828,6 +828,8 @@ static ssize_t cache_do_downcall(char *kaddr, const char __user *buf,
 {
 	ssize_t ret;
 
+	if (count == 0)
+		return -EINVAL;
 	if (copy_from_user(kaddr, buf, count))
 		return -EFAULT;
 	kaddr[count] = '\0';
diff --git a/net/sunrpc/sched.c b/net/sunrpc/sched.c
index 00a1a2a..4e2b3b4 100644
--- a/net/sunrpc/sched.c
+++ b/net/sunrpc/sched.c
@@ -500,14 +500,18 @@ EXPORT_SYMBOL_GPL(rpc_wake_up_next);
  */
 void rpc_wake_up(struct rpc_wait_queue *queue)
 {
-	struct rpc_task *task, *next;
 	struct list_head *head;
 
 	spin_lock_bh(&queue->lock);
 	head = &queue->tasks[queue->maxpriority];
 	for (;;) {
-		list_for_each_entry_safe(task, next, head, u.tk_wait.list)
+		while (!list_empty(head)) {
+			struct rpc_task *task;
+			task = list_first_entry(head,
+					struct rpc_task,
+					u.tk_wait.list);
 			rpc_wake_up_task_queue_locked(queue, task);
+		}
 		if (head == &queue->tasks[0])
 			break;
 		head--;
@@ -525,13 +529,16 @@ EXPORT_SYMBOL_GPL(rpc_wake_up);
  */
 void rpc_wake_up_status(struct rpc_wait_queue *queue, int status)
 {
-	struct rpc_task *task, *next;
 	struct list_head *head;
 
 	spin_lock_bh(&queue->lock);
 	head = &queue->tasks[queue->maxpriority];
 	for (;;) {
-		list_for_each_entry_safe(task, next, head, u.tk_wait.list) {
+		while (!list_empty(head)) {
+			struct rpc_task *task;
+			task = list_first_entry(head,
+					struct rpc_task,
+					u.tk_wait.list);
 			task->tk_status = status;
 			rpc_wake_up_task_queue_locked(queue, task);
 		}
diff --git a/net/xfrm/xfrm_replay.c b/net/xfrm/xfrm_replay.c
index 39e02c5..2f6d11d 100644
--- a/net/xfrm/xfrm_replay.c
+++ b/net/xfrm/xfrm_replay.c
@@ -167,7 +167,7 @@ static void xfrm_replay_advance(struct xfrm_state *x, __be32 net_seq)
 	}
 
 	if (xfrm_aevent_is_on(xs_net(x)))
-		xfrm_replay_notify(x, XFRM_REPLAY_UPDATE);
+		x->repl->notify(x, XFRM_REPLAY_UPDATE);
 }
 
 static int xfrm_replay_overflow_bmp(struct xfrm_state *x, struct sk_buff *skb)
@@ -279,7 +279,7 @@ static void xfrm_replay_advance_bmp(struct xfrm_state *x, __be32 net_seq)
 	replay_esn->bmp[nr] |= (1U << bitnr);
 
 	if (xfrm_aevent_is_on(xs_net(x)))
-		xfrm_replay_notify(x, XFRM_REPLAY_UPDATE);
+		x->repl->notify(x, XFRM_REPLAY_UPDATE);
 }
 
 static void xfrm_replay_notify_bmp(struct xfrm_state *x, int event)
@@ -473,7 +473,7 @@ static void xfrm_replay_advance_esn(struct xfrm_state *x, __be32 net_seq)
 	replay_esn->bmp[nr] |= (1U << bitnr);
 
 	if (xfrm_aevent_is_on(xs_net(x)))
-		xfrm_replay_notify(x, XFRM_REPLAY_UPDATE);
+		x->repl->notify(x, XFRM_REPLAY_UPDATE);
 }
 
 static struct xfrm_replay xfrm_replay_legacy = {
diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index 4f554f2..063298a 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -9,7 +9,7 @@ config IMA
 	select CRYPTO_HMAC
 	select CRYPTO_MD5
 	select CRYPTO_SHA1
-	select TCG_TPM if !S390 && !UML
+	select TCG_TPM if HAS_IOMEM && !UML
 	select TCG_TIS if TCG_TPM
 	help
 	  The Trusted Computing Group(TCG) runtime Integrity
diff --git a/sound/pci/hda/hda_eld.c b/sound/pci/hda/hda_eld.c
index c1da422..b58b4b1 100644
--- a/sound/pci/hda/hda_eld.c
+++ b/sound/pci/hda/hda_eld.c
@@ -385,8 +385,8 @@ error:
 static void hdmi_print_pcm_rates(int pcm, char *buf, int buflen)
 {
 	static unsigned int alsa_rates[] = {
-		5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, 88200,
-		96000, 176400, 192000, 384000
+		5512, 8000, 11025, 16000, 22050, 32000, 44100, 48000, 64000,
+		88200, 96000, 176400, 192000, 384000
 	};
 	int i, j;
 
diff --git a/sound/soc/fsl/p1022_ds.c b/sound/soc/fsl/p1022_ds.c
index 2c064a9..075677c 100644
--- a/sound/soc/fsl/p1022_ds.c
+++ b/sound/soc/fsl/p1022_ds.c
@@ -392,7 +392,8 @@ static int p1022_ds_probe(struct platform_device *pdev)
 	}
 
 	if (strcasecmp(sprop, "i2s-slave") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_I2S;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBM_CFM;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_IN;
 
@@ -409,31 +410,38 @@ static int p1022_ds_probe(struct platform_device *pdev)
 		}
 		mdata->clk_frequency = be32_to_cpup(iprop);
 	} else if (strcasecmp(sprop, "i2s-master") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_I2S;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_I2S | SND_SOC_DAIFMT_CBS_CFS;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_IN;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else if (strcasecmp(sprop, "lj-slave") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_LEFT_J;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBM_CFM;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_IN;
 	} else if (strcasecmp(sprop, "lj-master") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_LEFT_J;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_LEFT_J | SND_SOC_DAIFMT_CBS_CFS;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_IN;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else if (strcasecmp(sprop, "rj-slave") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_RIGHT_J;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_CBM_CFM;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_IN;
 	} else if (strcasecmp(sprop, "rj-master") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_RIGHT_J;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_RIGHT_J | SND_SOC_DAIFMT_CBS_CFS;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_IN;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else if (strcasecmp(sprop, "ac97-slave") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_AC97;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_AC97 | SND_SOC_DAIFMT_CBM_CFM;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_OUT;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_IN;
 	} else if (strcasecmp(sprop, "ac97-master") == 0) {
-		mdata->dai_format = SND_SOC_DAIFMT_AC97;
+		mdata->dai_format = SND_SOC_DAIFMT_NB_NF |
+			SND_SOC_DAIFMT_AC97 | SND_SOC_DAIFMT_CBS_CFS;
 		mdata->codec_clk_direction = SND_SOC_CLOCK_IN;
 		mdata->cpu_clk_direction = SND_SOC_CLOCK_OUT;
 	} else {
diff --git a/sound/soc/pxa/pxa-ssp.c b/sound/soc/pxa/pxa-ssp.c
index 8ad93ee..b583e60 100644
--- a/sound/soc/pxa/pxa-ssp.c
+++ b/sound/soc/pxa/pxa-ssp.c
@@ -668,6 +668,38 @@ static int pxa_ssp_hw_params(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+static void pxa_ssp_set_running_bit(struct snd_pcm_substream *substream,
+				    struct ssp_device *ssp, int value)
+{
+	uint32_t sscr0 = pxa_ssp_read_reg(ssp, SSCR0);
+	uint32_t sscr1 = pxa_ssp_read_reg(ssp, SSCR1);
+	uint32_t sspsp = pxa_ssp_read_reg(ssp, SSPSP);
+	uint32_t sssr = pxa_ssp_read_reg(ssp, SSSR);
+
+	if (value && (sscr0 & SSCR0_SSE))
+		pxa_ssp_write_reg(ssp, SSCR0, sscr0 & ~SSCR0_SSE);
+
+	if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK) {
+		if (value)
+			sscr1 |= SSCR1_TSRE;
+		else
+			sscr1 &= ~SSCR1_TSRE;
+	} else {
+		if (value)
+			sscr1 |= SSCR1_RSRE;
+		else
+			sscr1 &= ~SSCR1_RSRE;
+	}
+
+	pxa_ssp_write_reg(ssp, SSCR1, sscr1);
+
+	if (value) {
+		pxa_ssp_write_reg(ssp, SSSR, sssr);
+		pxa_ssp_write_reg(ssp, SSPSP, sspsp);
+		pxa_ssp_write_reg(ssp, SSCR0, sscr0 | SSCR0_SSE);
+	}
+}
+
 static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd,
 			   struct snd_soc_dai *cpu_dai)
 {
@@ -681,42 +713,21 @@ static int pxa_ssp_trigger(struct snd_pcm_substream *substream, int cmd,
 		pxa_ssp_enable(ssp);
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
-		val = pxa_ssp_read_reg(ssp, SSCR1);
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			val |= SSCR1_TSRE;
-		else
-			val |= SSCR1_RSRE;
-		pxa_ssp_write_reg(ssp, SSCR1, val);
+		pxa_ssp_set_running_bit(substream, ssp, 1);
 		val = pxa_ssp_read_reg(ssp, SSSR);
 		pxa_ssp_write_reg(ssp, SSSR, val);
 		break;
 	case SNDRV_PCM_TRIGGER_START:
-		val = pxa_ssp_read_reg(ssp, SSCR1);
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			val |= SSCR1_TSRE;
-		else
-			val |= SSCR1_RSRE;
-		pxa_ssp_write_reg(ssp, SSCR1, val);
-		pxa_ssp_enable(ssp);
+		pxa_ssp_set_running_bit(substream, ssp, 1);
 		break;
 	case SNDRV_PCM_TRIGGER_STOP:
-		val = pxa_ssp_read_reg(ssp, SSCR1);
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			val &= ~SSCR1_TSRE;
-		else
-			val &= ~SSCR1_RSRE;
-		pxa_ssp_write_reg(ssp, SSCR1, val);
+		pxa_ssp_set_running_bit(substream, ssp, 0);
 		break;
 	case SNDRV_PCM_TRIGGER_SUSPEND:
 		pxa_ssp_disable(ssp);
 		break;
 	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
-		val = pxa_ssp_read_reg(ssp, SSCR1);
-		if (substream->stream == SNDRV_PCM_STREAM_PLAYBACK)
-			val &= ~SSCR1_TSRE;
-		else
-			val &= ~SSCR1_RSRE;
-		pxa_ssp_write_reg(ssp, SSCR1, val);
+		pxa_ssp_set_running_bit(substream, ssp, 0);
 		break;
 
 	default: