diff --git a/Makefile b/Makefile
index 2d84a1d..5a07c88 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
 VERSION = 3
 PATCHLEVEL = 4
-SUBLEVEL = 26
-EXTRAVERSION =
+SUBLEVEL = 27
+EXTRAVERSION = -rc1
 NAME = Saber-toothed Squirrel
 
 # *DOCUMENTATION*
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index c447a27..945b7cd 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -137,4 +137,32 @@ static inline unsigned long long get_clock_monotonic(void)
 	return get_clock_xt() - sched_clock_base_cc;
 }
 
+/**
+ * tod_to_ns - convert a TOD format value to nanoseconds
+ * @todval: to be converted TOD format value
+ * Returns: number of nanoseconds that correspond to the TOD format value
+ *
+ * Converting a 64 Bit TOD format value to nanoseconds means that the value
+ * must be divided by 4.096. In order to achieve that we multiply with 125
+ * and divide by 512:
+ *
+ *    ns = (todval * 125) >> 9;
+ *
+ * In order to avoid an overflow with the multiplication we can rewrite this.
+ * With a split todval == 2^32 * th + tl (th upper 32 bits, tl lower 32 bits)
+ * we end up with
+ *
+ *    ns = ((2^32 * th + tl) * 125 ) >> 9;
+ * -> ns = (2^23 * th * 125) + ((tl * 125) >> 9);
+ *
+ */
+static inline unsigned long long tod_to_ns(unsigned long long todval)
+{
+	unsigned long long ns;
+
+	ns = ((todval >> 32) << 23) * 125;
+	ns += ((todval & 0xffffffff) * 125) >> 9;
+	return ns;
+}
+
 #endif
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index d4e1cb1..c5531db 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -64,7 +64,7 @@ static DEFINE_PER_CPU(struct clock_event_device, comparators);
  */
 unsigned long long notrace __kprobes sched_clock(void)
 {
-	return (get_clock_monotonic() * 125) >> 9;
+	return tod_to_ns(get_clock_monotonic());
 }
 
 /*
diff --git a/arch/s390/kvm/interrupt.c b/arch/s390/kvm/interrupt.c
index 2d9f9a7..10e13b3 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -390,7 +390,7 @@ int kvm_s390_handle_wait(struct kvm_vcpu *vcpu)
 		return 0;
 	}
 
-	sltime = ((vcpu->arch.sie_block->ckc - now)*125)>>9;
+	sltime = tod_to_ns(vcpu->arch.sie_block->ckc - now);
 
 	hrtimer_start(&vcpu->arch.ckc_timer, ktime_set (0, sltime) , HRTIMER_MODE_REL);
 	VCPU_EVENT(vcpu, 5, "enabled wait via clock comparator: %llx ns", sltime);
diff --git a/arch/sh/include/asm/elf.h b/arch/sh/include/asm/elf.h
index f38112b..978b7fd 100644
--- a/arch/sh/include/asm/elf.h
+++ b/arch/sh/include/asm/elf.h
@@ -202,9 +202,9 @@ extern void __kernel_vsyscall;
 	if (vdso_enabled)					\
 		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_BASE);	\
 	else							\
-		NEW_AUX_ENT(AT_IGNORE, 0);
+		NEW_AUX_ENT(AT_IGNORE, 0)
 #else
-#define VSYSCALL_AUX_ENT
+#define VSYSCALL_AUX_ENT	NEW_AUX_ENT(AT_IGNORE, 0)
 #endif /* CONFIG_VSYSCALL */
 
 #ifdef CONFIG_SH_FPU
diff --git a/arch/x86/kernel/entry_32.S b/arch/x86/kernel/entry_32.S
index 6d4f7ba..2af4ccd 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1074,7 +1074,6 @@ ENTRY(xen_failsafe_callback)
 	lea 16(%esp),%esp
 	CFI_ADJUST_CFA_OFFSET -16
 	jz 5f
-	addl $16,%esp
 	jmp iret_exc
 5:	pushl_cfi $-1 /* orig_ax = -1 => not a system call */
 	SAVE_ALL
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index ae98dbb..d289ee7 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -620,6 +620,81 @@ static __init void reserve_ibft_region(void)
 
 static unsigned reserve_low = CONFIG_X86_RESERVE_LOW << 10;
 
+static bool __init snb_gfx_workaround_needed(void)
+{
+	int i;
+	u16 vendor, devid;
+	static const u16 snb_ids[] = {
+		0x0102,
+		0x0112,
+		0x0122,
+		0x0106,
+		0x0116,
+		0x0126,
+		0x010a,
+	};
+
+	/* Assume no if something weird is going on with PCI */
+	if (!early_pci_allowed())
+		return false;
+
+	vendor = read_pci_config_16(0, 2, 0, PCI_VENDOR_ID);
+	if (vendor != 0x8086)
+		return false;
+
+	devid = read_pci_config_16(0, 2, 0, PCI_DEVICE_ID);
+	for (i = 0; i < ARRAY_SIZE(snb_ids); i++)
+		if (devid == snb_ids[i])
+			return true;
+
+	return false;
+}
+
+/*
+ * Sandy Bridge graphics has trouble with certain ranges, exclude
+ * them from allocation.
+ */
+static void __init trim_snb_memory(void)
+{
+	static const unsigned long bad_pages[] = {
+		0x20050000,
+		0x20110000,
+		0x20130000,
+		0x20138000,
+		0x40004000,
+	};
+	int i;
+
+	if (!snb_gfx_workaround_needed())
+		return;
+
+	printk(KERN_DEBUG "reserving inaccessible SNB gfx pages\n");
+
+	/*
+	 * Reserve all memory below the 1 MB mark that has not
+	 * already been reserved.
+	 */
+	memblock_reserve(0, 1<<20);
+
+	for (i = 0; i < ARRAY_SIZE(bad_pages); i++) {
+		if (memblock_reserve(bad_pages[i], PAGE_SIZE))
+			printk(KERN_WARNING "failed to reserve 0x%08lx\n",
+			       bad_pages[i]);
+	}
+}
+
+/*
+ * Here we put platform-specific memory range workarounds, i.e.
+ * memory known to be corrupt or otherwise in need to be reserved on
+ * specific platforms.
+ *
+ * If this gets used more widely it could use a real dispatch mechanism.
+ */
+static void __init trim_platform_memory_ranges(void)
+{
+	trim_snb_memory();
+}
+
 static void __init trim_bios_range(void)
 {
 	/*
@@ -640,6 +715,7 @@ static void __init trim_bios_range(void)
 	 * take them out.
 	 */
 	e820_remove_range(BIOS_BEGIN, BIOS_END - BIOS_BEGIN, E820_RAM, 1);
+
 	sanitize_e820_map(e820.map, ARRAY_SIZE(e820.map), &e820.nr_map);
 }
 
@@ -919,6 +995,8 @@ void __init setup_arch(char **cmdline_p)
 
 	setup_trampolines();
 
+	trim_platform_memory_ranges();
+
 	init_gbpages();
 
 	/* max_pfn_mapped is updated here */
diff --git a/drivers/block/drbd/drbd_req.c b/drivers/block/drbd/drbd_req.c
index 4a0f314..be984e0 100644
--- a/drivers/block/drbd/drbd_req.c
+++ b/drivers/block/drbd/drbd_req.c
@@ -37,6 +37,7 @@ static void _drbd_start_io_acct(struct drbd_conf *mdev, struct drbd_request *req
 	const int rw = bio_data_dir(bio);
 	int cpu;
 	cpu = part_stat_lock();
+	part_round_stats(cpu, &mdev->vdisk->part0);
 	part_stat_inc(cpu, &mdev->vdisk->part0, ios[rw]);
 	part_stat_add(cpu, &mdev->vdisk->part0, sectors[rw], bio_sectors(bio));
 	part_inc_in_flight(&mdev->vdisk->part0, rw);
diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 9c34db8..be66606 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2321,8 +2321,39 @@ static int domain_add_dev_info(struct dmar_domain *domain,
 	return 0;
 }
 
+static bool device_has_rmrr(struct pci_dev *dev)
+{
+	struct dmar_rmrr_unit *rmrr;
+	int i;
+
+	for_each_rmrr_units(rmrr) {
+		for (i = 0; i < rmrr->devices_cnt; i++) {
+			/*
+			 * Return TRUE if this RMRR contains the device that
+			 * is passed in.
+			 */
+			if (rmrr->devices[i] == dev)
+				return true;
+		}
+	}
+	return false;
+}
+
 static int iommu_should_identity_map(struct pci_dev *pdev, int startup)
 {
+
+	/*
+	 * We want to prevent any device associated with an RMRR from
+	 * getting placed into the SI Domain. This is done because
+	 * problems exist when devices are moved in and out of domains
+	 * and their respective RMRR info is lost. We exempt USB devices
+	 * from this process due to their usage of RMRRs that are known
+	 * to not be needed after BIOS hand-off to OS.
+	 */
+	if (device_has_rmrr(pdev) &&
+	    (pdev->class >> 8) != PCI_CLASS_SERIAL_USB)
+		return 0;
+
 	if ((iommu_identity_mapping & IDENTMAP_AZALIA) && IS_AZALIA(pdev))
 		return 1;
 
diff --git a/drivers/net/ethernet/intel/igb/igb_main.c b/drivers/net/ethernet/intel/igb/igb_main.c
index 8683ca4..6b4f014 100644
--- a/drivers/net/ethernet/intel/igb/igb_main.c
+++ b/drivers/net/ethernet/intel/igb/igb_main.c
@@ -951,17 +951,18 @@ static int igb_request_msix(struct igb_adapter *adapter)
 {
 	struct net_device *netdev = adapter->netdev;
 	struct e1000_hw *hw = &adapter->hw;
-	int i, err = 0, vector = 0;
+	int i, err = 0, vector = 0, free_vector = 0;
 
 	err = request_irq(adapter->msix_entries[vector].vector,
 	                  igb_msix_other, 0, netdev->name, adapter);
 	if (err)
-		goto out;
-	vector++;
+		goto err_out;
 
 	for (i = 0; i < adapter->num_q_vectors; i++) {
 		struct igb_q_vector *q_vector = adapter->q_vector[i];
 
+		vector++;
+
 		q_vector->itr_register = hw->hw_addr + E1000_EITR(vector);
 
 		if (q_vector->rx.ring && q_vector->tx.ring)
@@ -980,13 +981,22 @@ static int igb_request_msix(struct igb_adapter *adapter)
 		                  igb_msix_ring, 0, q_vector->name,
 		                  q_vector);
 		if (err)
-			goto out;
-		vector++;
+			goto err_free;
 	}
 
 	igb_configure_msix(adapter);
 	return 0;
-out:
+
+err_free:
+	/* free already assigned IRQs */
+	free_irq(adapter->msix_entries[free_vector++].vector, adapter);
+
+	vector--;
+	for (i = 0; i < vector; i++) {
+		free_irq(adapter->msix_entries[free_vector++].vector,
+			 adapter->q_vector[i]);
+	}
+err_out:
 	return err;
 }
 
diff --git a/drivers/net/ethernet/realtek/r8169.c b/drivers/net/ethernet/realtek/r8169.c
index 0dc70c2..06ee243 100644
--- a/drivers/net/ethernet/realtek/r8169.c
+++ b/drivers/net/ethernet/realtek/r8169.c
@@ -5516,11 +5516,7 @@ static void rtl_slow_event_work(struct rtl8169_private *tp)
 	if (status & LinkChg)
 		__rtl8169_check_link_status(dev, tp, tp->mmio_addr, true);
 
-	napi_disable(&tp->napi);
-	rtl_irq_disable(tp);
-
-	napi_enable(&tp->napi);
-	napi_schedule(&tp->napi);
+	rtl_irq_enable_all(tp);
 }
 
 static void rtl_task(struct work_struct *work)
diff --git a/drivers/staging/vt6656/bssdb.h b/drivers/staging/vt6656/bssdb.h
index a8f97eb..991ce3e 100644
--- a/drivers/staging/vt6656/bssdb.h
+++ b/drivers/staging/vt6656/bssdb.h
@@ -92,7 +92,6 @@ typedef struct tagSRSNCapObject {
 } SRSNCapObject, *PSRSNCapObject;
 
 // BSS info(AP)
-#pragma pack(1)
 typedef struct tagKnownBSS {
     // BSS info
     BOOL            bActive;
diff --git a/drivers/staging/vt6656/int.h b/drivers/staging/vt6656/int.h
index a5d96b9..27bc7f5 100644
--- a/drivers/staging/vt6656/int.h
+++ b/drivers/staging/vt6656/int.h
@@ -34,7 +34,6 @@
 #include "device.h"
 
 /*---------------------  Export Definitions -------------------------*/
-#pragma pack(1)
 typedef struct tagSINTData {
     BYTE    byTSR0;
     BYTE    byPkt0;
diff --git a/drivers/staging/vt6656/iocmd.h b/drivers/staging/vt6656/iocmd.h
index 22710ce..ae6e2d2 100644
--- a/drivers/staging/vt6656/iocmd.h
+++ b/drivers/staging/vt6656/iocmd.h
@@ -95,13 +95,12 @@ typedef enum tagWZONETYPE {
 // Ioctl interface structure
 // Command structure
 //
-#pragma pack(1)
 typedef struct tagSCmdRequest {
 	u8 name[16];
 	void	*data;
 	u16	    wResult;
 	u16     wCmdCode;
-} SCmdRequest, *PSCmdRequest;
+} __packed SCmdRequest, *PSCmdRequest;
 
 //
 // Scan
@@ -111,7 +110,7 @@ typedef struct tagSCmdScan {
 
     u8	    ssid[SSID_MAXLEN + 2];
 
-} SCmdScan, *PSCmdScan;
+} __packed SCmdScan, *PSCmdScan;
 
 //
 // BSS Join
@@ -126,7 +125,7 @@ typedef struct tagSCmdBSSJoin {
     BOOL    bPSEnable;
     BOOL    bShareKeyAuth;
 
-} SCmdBSSJoin, *PSCmdBSSJoin;
+} __packed SCmdBSSJoin, *PSCmdBSSJoin;
 
 //
 // Zonetype Setting
@@ -137,7 +136,7 @@ typedef struct tagSCmdZoneTypeSet {
  BOOL       bWrite;
  WZONETYPE  ZoneType;
 
-} SCmdZoneTypeSet, *PSCmdZoneTypeSet;
+} __packed SCmdZoneTypeSet, *PSCmdZoneTypeSet;
 
 typedef struct tagSWPAResult {
          char	ifname[100];
@@ -145,7 +144,7 @@ typedef struct tagSWPAResult {
 	u8 key_mgmt;
 	u8 eap_type;
          BOOL authenticated;
-} SWPAResult, *PSWPAResult;
+} __packed SWPAResult, *PSWPAResult;
 
 typedef struct tagSCmdStartAP {
 
@@ -157,7 +156,7 @@ typedef struct tagSCmdStartAP {
     BOOL    bShareKeyAuth;
     u8      byBasicRate;
 
-} SCmdStartAP, *PSCmdStartAP;
+} __packed SCmdStartAP, *PSCmdStartAP;
 
 typedef struct tagSCmdSetWEP {
 
@@ -167,7 +166,7 @@ typedef struct tagSCmdSetWEP {
     BOOL    bWepKeyAvailable[WEP_NKEYS];
     u32     auWepKeyLength[WEP_NKEYS];
 
-} SCmdSetWEP, *PSCmdSetWEP;
+} __packed SCmdSetWEP, *PSCmdSetWEP;
 
 typedef struct tagSBSSIDItem {
 
@@ -180,14 +179,14 @@ typedef struct tagSBSSIDItem {
     BOOL    bWEPOn;
     u32     uRSSI;
 
-} SBSSIDItem;
+} __packed SBSSIDItem;
 
 
 typedef struct tagSBSSIDList {
 
 	u32		    uItem;
 	SBSSIDItem	sBSSIDList[0];
-} SBSSIDList, *PSBSSIDList;
+} __packed SBSSIDList, *PSBSSIDList;
 
 
 typedef struct tagSNodeItem {
@@ -208,7 +207,7 @@ typedef struct tagSNodeItem {
     u32            uTxAttempts;
     u16            wFailureRatio;
 
-} SNodeItem;
+} __packed SNodeItem;
 
 
 typedef struct tagSNodeList {
@@ -216,7 +215,7 @@ typedef struct tagSNodeList {
 	u32		    uItem;
 	SNodeItem	sNodeList[0];
 
-} SNodeList, *PSNodeList;
+} __packed SNodeList, *PSNodeList;
 
 
 typedef struct tagSCmdLinkStatus {
@@ -229,7 +228,7 @@ typedef struct tagSCmdLinkStatus {
     u32     uChannel;
     u32     uLinkRate;
 
-} SCmdLinkStatus, *PSCmdLinkStatus;
+} __packed SCmdLinkStatus, *PSCmdLinkStatus;
 
 //
 // 802.11 counter
@@ -247,7 +246,7 @@ typedef struct tagSDot11MIBCount {
     u32 ReceivedFragmentCount;
     u32 MulticastReceivedFrameCount;
     u32 FCSErrorCount;
-} SDot11MIBCount, *PSDot11MIBCount;
+} __packed SDot11MIBCount, *PSDot11MIBCount;
 
 
 
@@ -355,13 +354,13 @@ typedef struct tagSStatMIBCount {
     u32   ullTxBroadcastBytes[2];
     u32   ullTxMulticastBytes[2];
     u32   ullTxDirectedBytes[2];
-} SStatMIBCount, *PSStatMIBCount;
+} __packed SStatMIBCount, *PSStatMIBCount;
 
 typedef struct tagSCmdValue {
 
     u32     dwValue;
 
-} SCmdValue,  *PSCmdValue;
+} __packed SCmdValue,  *PSCmdValue;
 
 //
 // hostapd & viawget ioctl related
@@ -431,7 +430,7 @@ struct viawget_hostapd_param {
 			u8 ssid[32];
 		} scan_req;
 	} u;
-};
+} __packed;
 
 /*---------------------  Export Classes  ----------------------------*/
 
diff --git a/drivers/staging/vt6656/iowpa.h b/drivers/staging/vt6656/iowpa.h
index 959c886..2522dde 100644
--- a/drivers/staging/vt6656/iowpa.h
+++ b/drivers/staging/vt6656/iowpa.h
@@ -67,12 +67,11 @@ enum {
 
 
 
-#pragma pack(1)
 typedef struct viawget_wpa_header {
 	u8 type;
 	u16 req_ie_len;
 	u16 resp_ie_len;
-} viawget_wpa_header;
+} __packed viawget_wpa_header;
 
 struct viawget_wpa_param {
 	u32 cmd;
@@ -113,9 +112,8 @@ struct viawget_wpa_param {
 			u8 *buf;
 		} scan_results;
 	} u;
-};
+} __packed;
 
-#pragma pack(1)
 struct viawget_scan_result {
 	u8 bssid[6];
 	u8 ssid[32];
@@ -130,7 +128,7 @@ struct viawget_scan_result {
 	int noise;
 	int level;
 	int maxrate;
-};
+} __packed;
 
 /*---------------------  Export Classes  ----------------------------*/
 
diff --git a/drivers/staging/wlan-ng/prism2mgmt.c b/drivers/staging/wlan-ng/prism2mgmt.c
index c3bb05d..4110a2f 100644
--- a/drivers/staging/wlan-ng/prism2mgmt.c
+++ b/drivers/staging/wlan-ng/prism2mgmt.c
@@ -406,7 +406,7 @@ int prism2mgmt_scan_results(wlandevice_t *wlandev, void *msgp)
 	/* SSID */
 	req->ssid.status = P80211ENUM_msgitem_status_data_ok;
 	req->ssid.data.len = le16_to_cpu(item->ssid.len);
-	req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_BSSID_LEN);
+	req->ssid.data.len = min_t(u16, req->ssid.data.len, WLAN_SSID_MAXLEN);
 	memcpy(req->ssid.data.data, item->ssid.data, req->ssid.data.len);
 
 	/* supported rates */
diff --git a/drivers/target/target_core_device.c b/drivers/target/target_core_device.c
index 4df8022..26c62f0 100644
--- a/drivers/target/target_core_device.c
+++ b/drivers/target/target_core_device.c
@@ -1665,6 +1665,7 @@ int core_dev_setup_virtual_lun0(void)
 		ret = PTR_ERR(dev);
 		goto out;
 	}
+	dev->dev_link_magic = SE_DEV_LINK_MAGIC;
 	se_dev->se_dev_ptr = dev;
 	g_lun0_dev = dev;
 
diff --git a/drivers/target/target_core_fabric_configfs.c b/drivers/target/target_core_fabric_configfs.c
index 405cc98..b009b89 100644
--- a/drivers/target/target_core_fabric_configfs.c
+++ b/drivers/target/target_core_fabric_configfs.c
@@ -72,6 +72,12 @@ static int target_fabric_mappedlun_link(
 	struct se_portal_group *se_tpg;
 	struct config_item *nacl_ci, *tpg_ci, *tpg_ci_s, *wwn_ci, *wwn_ci_s;
 	int ret = 0, lun_access;
+
+	if (lun->lun_link_magic != SE_LUN_LINK_MAGIC) {
+		pr_err("Bad lun->lun_link_magic, not a valid lun_ci pointer:"
+			" %p to struct lun: %p\n", lun_ci, lun);
+		return -EFAULT;
+	}
 	/*
 	 * Ensure that the source port exists
 	 */
@@ -746,6 +752,12 @@ static int target_fabric_port_link(
 	struct target_fabric_configfs *tf;
 	int ret;
 
+	if (dev->dev_link_magic != SE_DEV_LINK_MAGIC) {
+		pr_err("Bad dev->dev_link_magic, not a valid se_dev_ci pointer:"
+			" %p to struct se_device: %p\n", se_dev_ci, dev);
+		return -EFAULT;
+	}
+
 	tpg_ci = &lun_ci->ci_parent->ci_group->cg_item;
 	se_tpg = container_of(to_config_group(tpg_ci),
 				struct se_portal_group, tpg_group);
diff --git a/drivers/target/target_core_tpg.c b/drivers/target/target_core_tpg.c
index e320ec2..ba537b6 100644
--- a/drivers/target/target_core_tpg.c
+++ b/drivers/target/target_core_tpg.c
@@ -677,6 +677,7 @@ int core_tpg_register(
 	for (i = 0; i < TRANSPORT_MAX_LUNS_PER_TPG; i++) {
 		lun = se_tpg->tpg_lun_list[i];
 		lun->unpacked_lun = i;
+		lun->lun_link_magic = SE_LUN_LINK_MAGIC;
 		lun->lun_status = TRANSPORT_LUN_STATUS_FREE;
 		atomic_set(&lun->lun_acl_count, 0);
 		init_completion(&lun->lun_shutdown_comp);
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index 69f3f7d..f687892 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -1341,6 +1341,7 @@ struct se_device *transport_add_device_to_core_hba(
 	dev->se_hba		= hba;
 	dev->se_sub_dev		= se_dev;
 	dev->transport		= transport;
+	dev->dev_link_magic	= SE_DEV_LINK_MAGIC;
 	INIT_LIST_HEAD(&dev->dev_list);
 	INIT_LIST_HEAD(&dev->dev_sep_list);
 	INIT_LIST_HEAD(&dev->dev_tmr_list);
@@ -1748,6 +1749,8 @@ static void target_complete_tmr_failure(struct work_struct *work)
 
 	se_cmd->se_tmr_req->response = TMR_LUN_DOES_NOT_EXIST;
 	se_cmd->se_tfo->queue_tm_rsp(se_cmd);
+
+	transport_cmd_check_stop_to_fabric(se_cmd);
 }
 
 /**
diff --git a/drivers/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index a426c40..9249998 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -356,11 +356,11 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
 
 	tport = ft_tport_create(rdata->local_port);
 	if (!tport)
-		return 0;	/* not a target for this local port */
+		goto not_target;	/* not a target for this local port */
 
 	acl = ft_acl_get(tport->tpg, rdata);
 	if (!acl)
-		return 0;
+		goto not_target;	/* no target for this remote */
 
 	if (!rspp)
 		goto fill;
@@ -397,12 +397,18 @@ static int ft_prli_locked(struct fc_rport_priv *rdata, u32 spp_len,
 
 	/*
 	 * OR in our service parameters with other provider (initiator), if any.
-	 * TBD XXX - indicate RETRY capability?
 	 */
 fill:
 	fcp_parm = ntohl(spp->spp_params);
+	fcp_parm &= ~FCP_SPPF_RETRY;
 	spp->spp_params = htonl(fcp_parm | FCP_SPPF_TARG_FCN);
 	return FC_SPP_RESP_ACK;
+
+not_target:
+	fcp_parm = ntohl(spp->spp_params);
+	fcp_parm &= ~FCP_SPPF_TARG_FCN;
+	spp->spp_params = htonl(fcp_parm);
+	return 0;
 }
 
 /**
diff --git a/drivers/tty/serial/8250/8250_dw.c b/drivers/tty/serial/8250/8250_dw.c
index f574eef..b6dc908 100644
--- a/drivers/tty/serial/8250/8250_dw.c
+++ b/drivers/tty/serial/8250/8250_dw.c
@@ -79,7 +79,7 @@ static int dw8250_handle_irq(struct uart_port *p)
 	} else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) {
 		/* Clear the USR and write the LCR again. */
 		(void)p->serial_in(p, UART_USR);
-		p->serial_out(p, d->last_lcr, UART_LCR);
+		p->serial_out(p, UART_LCR, d->last_lcr);
 
 		return 1;
 	}
diff --git a/drivers/tty/serial/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 144cd39..17f587c 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -552,6 +552,7 @@ static void ifx_port_shutdown(struct tty_port *port)
 		container_of(port, struct ifx_spi_device, tty_port);
 
 	mrdy_set_low(ifx_dev);
+	del_timer(&ifx_dev->spi_timer);
 	clear_bit(IFX_SPI_STATE_TIMER_PENDING, &ifx_dev->flags);
 	tasklet_kill(&ifx_dev->io_work_tasklet);
 }
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index ba23ad5..0778cd0 100644
--- a/drivers/usb/serial/option.c
+++ b/drivers/usb/serial/option.c
@@ -449,6 +449,10 @@ static void option_instat_callback(struct urb *urb);
 #define PETATEL_VENDOR_ID			0x1ff4
 #define PETATEL_PRODUCT_NP10T			0x600e
 
+/* TP-LINK Incorporated products */
+#define TPLINK_VENDOR_ID			0x2357
+#define TPLINK_PRODUCT_MA180			0x0201
+
 /* some devices interfaces need special handling due to a number of reasons */
 enum option_blacklist_reason {
 		OPTION_BLACKLIST_NONE = 0,
@@ -930,7 +934,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0254, 0xff, 0xff, 0xff) },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0257, 0xff, 0xff, 0xff), /* ZTE MF821 */
 	  .driver_info = (kernel_ulong_t)&net_intf3_blacklist },
-	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff) },
+	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0265, 0xff, 0xff, 0xff), /* ONDA MT8205 */
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0284, 0xff, 0xff, 0xff), /* ZTE MF880 */
 	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ USB_DEVICE_AND_INTERFACE_INFO(ZTE_VENDOR_ID, 0x0317, 0xff, 0xff, 0xff) },
@@ -1311,6 +1316,8 @@ static const struct usb_device_id option_ids[] = {
 	{ USB_DEVICE_AND_INTERFACE_INFO(MEDIATEK_VENDOR_ID, MEDIATEK_PRODUCT_DC_4COM2, 0xff, 0x00, 0x00) },
 	{ USB_DEVICE(CELLIENT_VENDOR_ID, CELLIENT_PRODUCT_MEN200) },
 	{ USB_DEVICE(PETATEL_VENDOR_ID, PETATEL_PRODUCT_NP10T) },
+	{ USB_DEVICE(TPLINK_VENDOR_ID, TPLINK_PRODUCT_MA180),
+	  .driver_info = (kernel_ulong_t)&net_intf4_blacklist },
 	{ } /* Terminating entry */
 };
 MODULE_DEVICE_TABLE(usb, option_ids);
diff --git a/drivers/xen/grant-table.c b/drivers/xen/grant-table.c
index fda491c..7e34bee 100644
--- a/drivers/xen/grant-table.c
+++ b/drivers/xen/grant-table.c
@@ -53,10 +53,6 @@
 /* External tools reserve first few grant table entries. */
 #define NR_RESERVED_ENTRIES 8
 #define GNTTAB_LIST_END 0xffffffff
-#define GREFS_PER_GRANT_FRAME \
-(grant_table_version == 1 ?                      \
-(PAGE_SIZE / sizeof(struct grant_entry_v1)) :   \
-(PAGE_SIZE / sizeof(union grant_entry_v2)))
 
 static grant_ref_t **gnttab_list;
 static unsigned int nr_grant_frames;
@@ -151,6 +147,7 @@ static struct gnttab_ops *gnttab_interface;
 static grant_status_t *grstatus;
 
 static int grant_table_version;
+static int grefs_per_grant_frame;
 
 static struct gnttab_free_callback *gnttab_free_callback_list;
 
@@ -679,12 +676,14 @@ static int grow_gnttab_list(unsigned int more_frames)
 	unsigned int new_nr_grant_frames, extra_entries, i;
 	unsigned int nr_glist_frames, new_nr_glist_frames;
 
+	BUG_ON(grefs_per_grant_frame == 0);
+
 	new_nr_grant_frames = nr_grant_frames + more_frames;
-	extra_entries       = more_frames * GREFS_PER_GRANT_FRAME;
+	extra_entries       = more_frames * grefs_per_grant_frame;
 
-	nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+	nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
 	new_nr_glist_frames =
-		(new_nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+		(new_nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
 	for (i = nr_glist_frames; i < new_nr_glist_frames; i++) {
 		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_ATOMIC);
 		if (!gnttab_list[i])
@@ -692,12 +691,12 @@ static int grow_gnttab_list(unsigned int more_frames)
 	}
 
 
-	for (i = GREFS_PER_GRANT_FRAME * nr_grant_frames;
-	     i < GREFS_PER_GRANT_FRAME * new_nr_grant_frames - 1; i++)
+	for (i = grefs_per_grant_frame * nr_grant_frames;
+	     i < grefs_per_grant_frame * new_nr_grant_frames - 1; i++)
 		gnttab_entry(i) = i + 1;
 
 	gnttab_entry(i) = gnttab_free_head;
-	gnttab_free_head = GREFS_PER_GRANT_FRAME * nr_grant_frames;
+	gnttab_free_head = grefs_per_grant_frame * nr_grant_frames;
 	gnttab_free_count += extra_entries;
 
 	nr_grant_frames = new_nr_grant_frames;
@@ -799,7 +798,8 @@ EXPORT_SYMBOL_GPL(gnttab_unmap_refs);
 
 static unsigned nr_status_frames(unsigned nr_grant_frames)
 {
-	return (nr_grant_frames * GREFS_PER_GRANT_FRAME + SPP - 1) / SPP;
+	BUG_ON(grefs_per_grant_frame == 0);
+	return (nr_grant_frames * grefs_per_grant_frame + SPP - 1) / SPP;
 }
 
 static int gnttab_map_frames_v1(unsigned long *frames, unsigned int nr_gframes)
@@ -957,6 +957,7 @@ static void gnttab_request_version(void)
 	rc = HYPERVISOR_grant_table_op(GNTTABOP_set_version, &gsv, 1);
 	if (rc == 0 && gsv.version == 2) {
 		grant_table_version = 2;
+		grefs_per_grant_frame = PAGE_SIZE / sizeof(union grant_entry_v2);
 		gnttab_interface = &gnttab_v2_ops;
 	} else if (grant_table_version == 2) {
 		/*
@@ -969,17 +970,17 @@ static void gnttab_request_version(void)
 		panic("we need grant tables version 2, but only version 1 is available");
 	} else {
 		grant_table_version = 1;
+		grefs_per_grant_frame = PAGE_SIZE / sizeof(struct grant_entry_v1);
 		gnttab_interface = &gnttab_v1_ops;
 	}
 	printk(KERN_INFO "Grant tables using version %d layout.\n",
 		grant_table_version);
 }
 
-int gnttab_resume(void)
+static int gnttab_setup(void)
 {
 	unsigned int max_nr_gframes;
 
-	gnttab_request_version();
 	max_nr_gframes = gnttab_max_grant_frames();
 	if (max_nr_gframes < nr_grant_frames)
 		return -ENOSYS;
@@ -1002,6 +1003,12 @@ int gnttab_resume(void)
 	return 0;
 }
 
+int gnttab_resume(void)
+{
+	gnttab_request_version();
+	return gnttab_setup();
+}
+
 int gnttab_suspend(void)
 {
 	gnttab_interface->unmap_frames();
@@ -1013,9 +1020,10 @@ static int gnttab_expand(unsigned int req_entries)
 	int rc;
 	unsigned int cur, extra;
 
+	BUG_ON(grefs_per_grant_frame == 0);
 	cur = nr_grant_frames;
-	extra = ((req_entries + (GREFS_PER_GRANT_FRAME-1)) /
-		 GREFS_PER_GRANT_FRAME);
+	extra = ((req_entries + (grefs_per_grant_frame-1)) /
+		 grefs_per_grant_frame);
 	if (cur + extra > gnttab_max_grant_frames())
 		return -ENOSPC;
 
@@ -1033,21 +1041,23 @@ int gnttab_init(void)
 	unsigned int nr_init_grefs;
 	int ret;
 
+	gnttab_request_version();
 	nr_grant_frames = 1;
 	boot_max_nr_grant_frames = __max_nr_grant_frames();
 
 	/* Determine the maximum number of frames required for the
 	 * grant reference free list on the current hypervisor.
 	 */
+	BUG_ON(grefs_per_grant_frame == 0);
 	max_nr_glist_frames = (boot_max_nr_grant_frames *
-			       GREFS_PER_GRANT_FRAME / RPP);
+			       grefs_per_grant_frame / RPP);
 
 	gnttab_list = kmalloc(max_nr_glist_frames * sizeof(grant_ref_t *),
 			      GFP_KERNEL);
 	if (gnttab_list == NULL)
 		return -ENOMEM;
 
-	nr_glist_frames = (nr_grant_frames * GREFS_PER_GRANT_FRAME + RPP - 1) / RPP;
+	nr_glist_frames = (nr_grant_frames * grefs_per_grant_frame + RPP - 1) / RPP;
 	for (i = 0; i < nr_glist_frames; i++) {
 		gnttab_list[i] = (grant_ref_t *)__get_free_page(GFP_KERNEL);
 		if (gnttab_list[i] == NULL) {
@@ -1056,12 +1066,12 @@ int gnttab_init(void)
 		}
 	}
 
-	if (gnttab_resume() < 0) {
+	if (gnttab_setup() < 0) {
 		ret = -ENODEV;
 		goto ini_nomem;
 	}
 
-	nr_init_grefs = nr_grant_frames * GREFS_PER_GRANT_FRAME;
+	nr_init_grefs = nr_grant_frames * grefs_per_grant_frame;
 
 	for (i = NR_RESERVED_ENTRIES; i < nr_init_grefs - 1; i++)
 		gnttab_entry(i) = i + 1;
diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index dcd08e4..a0d7e26 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -1424,6 +1424,8 @@ static void ext4_da_block_invalidatepages(struct mpage_da_data *mpd)
 
 	index = mpd->first_page;
 	end   = mpd->next_page - 1;
+
+	pagevec_init(&pvec, 0);
 	while (index <= end) {
 		nr_pages = pagevec_lookup(&pvec, mapping, index, PAGEVEC_SIZE);
 		if (nr_pages == 0)
diff --git a/include/target/target_core_base.h b/include/target/target_core_base.h
index 3ad5b33..569c282 100644
--- a/include/target/target_core_base.h
+++ b/include/target/target_core_base.h
@@ -779,6 +779,8 @@ struct se_subsystem_dev {
 };
 
 struct se_device {
+#define SE_DEV_LINK_MAGIC			0xfeeddeef
+	u32			dev_link_magic;
 	/* RELATIVE TARGET PORT IDENTIFER Counter */
 	u16			dev_rpti_counter;
 	/* Used for SAM Task Attribute ordering */
@@ -869,6 +871,8 @@ struct se_port_stat_grps {
 };
 
 struct se_lun {
+#define SE_LUN_LINK_MAGIC			0xffff7771
+	u32			lun_link_magic;
 	/* See transport_lun_status_table */
 	enum transport_lun_status_table lun_status;
 	u32			lun_access;
diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 2781726..c46171a 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -387,11 +387,13 @@ static int snd_usb_fasttrackpro_boot_quirk(struct usb_device *dev)
 		 * rules
 		 */
 		err = usb_driver_set_configuration(dev, 2);
-		if (err < 0) {
+		if (err < 0)
 			snd_printdd("error usb_driver_set_configuration: %d\n",
 				    err);
-			return -ENODEV;
-		}
+		/* Always return an error, so that we stop creating a device
+		   that will just be destroyed and recreated with a new
+		   configuration */
+		return -ENODEV;
 	} else
 		snd_printk(KERN_INFO "usb-audio: Fast Track Pro config OK\n");
 
