24ea03117b2d55b116518849eff6768351ce88aa.patch

From 24ea03117b2d55b116518849eff6768351ce88aa Mon Sep 17 00:00:00 2001
From: Arne Coucheron <arco68@gmail.com>
Date: Wed, 23 Jan 2013 00:21:52 +0100
Subject: [PATCH] Squashed update of kernel from 3.0.59 to 3.0.60

---
 Makefile                                 |  2 +-
 arch/powerpc/platforms/embedded6xx/wii.c |  6 ++-
 arch/s390/include/asm/timex.h            | 28 ++++++++++++
 arch/s390/kernel/time.c                  |  2 +-
 arch/s390/kvm/interrupt.c                |  2 +-
 arch/sh/include/asm/elf.h                |  4 +-
 arch/x86/kernel/entry_32.S               |  1 -
 arch/x86/kernel/setup.c                  | 78 ++++++++++++++++++++++++++++++++
 drivers/block/drbd/drbd_req.c            |  1 +
 drivers/pci/intel-iommu.c                | 31 +++++++++++++
 drivers/staging/vt6656/bssdb.h           |  1 -
 drivers/staging/vt6656/int.h             |  1 -
 drivers/staging/vt6656/iocmd.h           | 33 +++++++-------
 drivers/staging/vt6656/iowpa.h           |  8 ++--
 drivers/target/tcm_fc/tfc_sess.c         | 12 +++--
 drivers/tty/serial/ifx6x60.c             |  1 +
 drivers/usb/core/message.c               | 53 +++++++++++++---------
 drivers/usb/host/xhci-mem.c              | 11 ++++-
 drivers/usb/serial/option.c              |  9 +++-
 fs/ext4/inode.c                          |  2 +
 20 files changed, 226 insertions(+), 60 deletions(-)

diff --git a/Makefile b/Makefile
index 8bb1829..ec09eb1 100644
--- a/Makefile
+++ b/Makefile
@@ -1,6 +1,6 @@
 VERSION = 3
 PATCHLEVEL = 0
-SUBLEVEL = 59
+SUBLEVEL = 60
 EXTRAVERSION =
 NAME = Sneaky Weasel
 
diff --git a/arch/powerpc/platforms/embedded6xx/wii.c b/arch/powerpc/platforms/embedded6xx/wii.c
index 1b5dc1a..daf793b 100644
--- a/arch/powerpc/platforms/embedded6xx/wii.c
+++ b/arch/powerpc/platforms/embedded6xx/wii.c
@@ -85,9 +85,11 @@ void __init wii_memory_fixups(void)
 	wii_hole_start = p[0].base + p[0].size;
 	wii_hole_size = p[1].base - wii_hole_start;
 
-	pr_info("MEM1: <%08llx %08llx>\n", p[0].base, p[0].size);
+	pr_info("MEM1: <%08llx %08llx>\n",
+		(unsigned long long) p[0].base, (unsigned long long) p[0].size);
 	pr_info("HOLE: <%08lx %08lx>\n", wii_hole_start, wii_hole_size);
-	pr_info("MEM2: <%08llx %08llx>\n", p[1].base, p[1].size);
+	pr_info("MEM2: <%08llx %08llx>\n",
+		(unsigned long long) p[1].base, (unsigned long long) p[1].size);
 
 	p[0].size += wii_hole_size + p[1].size;
 
diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h
index 88829a4..a4b8f60 100644
--- a/arch/s390/include/asm/timex.h
+++ b/arch/s390/include/asm/timex.h
@@ -126,4 +126,32 @@ 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 dff9330..943ea0e 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -63,7 +63,7 @@ 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 35c21bf..a3db4c8 100644
--- a/arch/s390/kvm/interrupt.c
+++ b/arch/s390/kvm/interrupt.c
@@ -358,7 +358,7 @@ 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 268b40d..2df1252 100644
--- a/arch/x86/kernel/entry_32.S
+++ b/arch/x86/kernel/entry_32.S
@@ -1078,7 +1078,6 @@ 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 af19a61..eb9eb8b 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -631,6 +631,81 @@ 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)
 {
 	/*
@@ -651,6 +726,7 @@ 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);
 }
 
@@ -929,6 +1005,8 @@ 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 3424d67..e59f536 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/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 3f9a891..ae762ec 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -2289,8 +2289,39 @@ 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/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 3176c8d..c731b12 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/target/tcm_fc/tfc_sess.c b/drivers/target/tcm_fc/tfc_sess.c
index 087af19..9a084b8 100644
--- a/drivers/target/tcm_fc/tfc_sess.c
+++ b/drivers/target/tcm_fc/tfc_sess.c
@@ -393,11 +393,11 @@ 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;
@@ -434,12 +434,18 @@ 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/ifx6x60.c b/drivers/tty/serial/ifx6x60.c
index 5315525..5d0d4f6 100644
--- a/drivers/tty/serial/ifx6x60.c
+++ b/drivers/tty/serial/ifx6x60.c
@@ -551,6 +551,7 @@ 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/core/message.c b/drivers/usb/core/message.c
index 275d906..21a0223 100644
--- a/drivers/usb/core/message.c
+++ b/drivers/usb/core/message.c
@@ -1773,28 +1773,8 @@ int usb_set_configuration(struct usb_device *dev, int configuration)
 	dev->actconfig = cp;
 	if (cp)
 		usb_notify_config_device(dev);
-	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
-			      USB_REQ_SET_CONFIGURATION, 0, configuration, 0,
-			      NULL, 0, USB_CTRL_SET_TIMEOUT);
-	if (ret < 0) {
-		/* All the old state is gone, so what else can we do?
-		 * The device is probably useless now anyway.
-		 */
-		dev->actconfig = cp = NULL;
-	}
-
-	if (!cp) {
-		usb_notify_config_device(dev);
-		usb_set_device_state(dev, USB_STATE_ADDRESS);
-		usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
-		mutex_unlock(hcd->bandwidth_mutex);
-		usb_autosuspend_device(dev);
-		goto free_interfaces;
-	}
-	mutex_unlock(hcd->bandwidth_mutex);
-	usb_set_device_state(dev, USB_STATE_CONFIGURED);
-
-	/* Initialize the new interface structures and the
+	/*
+	 * Initialize the new interface structures and the
 	 * hc/hcd/usbcore interface/endpoint state.
 	 */
 	for (i = 0; i < nintf; ++i) {
@@ -1838,6 +1818,35 @@ int usb_set_configuration(struct usb_device *dev, int configuration)
 	}
 	kfree(new_interfaces);
 
+	ret = usb_control_msg(dev, usb_sndctrlpipe(dev, 0),
+			      USB_REQ_SET_CONFIGURATION, 0, configuration, 0,
+			      NULL, 0, USB_CTRL_SET_TIMEOUT);
+	if (ret < 0 && cp) {
+		/*
+		 * All the old state is gone, so what else can we do?
+		 * The device is probably useless now anyway.
+		 */
+		usb_hcd_alloc_bandwidth(dev, NULL, NULL, NULL);
+		for (i = 0; i < nintf; ++i) {
+			usb_disable_interface(dev, cp->interface[i], true);
+			put_device(&cp->interface[i]->dev);
+			cp->interface[i] = NULL;
+		}
+		cp = NULL;
+	}
+
+	dev->actconfig = cp;
+	mutex_unlock(hcd->bandwidth_mutex);
+
+	if (!cp) {
+		usb_set_device_state(dev, USB_STATE_ADDRESS);
+
+		/* Leave LPM disabled while the device is unconfigured. */
+		usb_autosuspend_device(dev);
+		return ret;
+	}
+	usb_set_device_state(dev, USB_STATE_CONFIGURED);
+
 	if (cp->string == NULL &&
 			!(dev->quirks & USB_QUIRK_CONFIG_INTF_STRINGS))
 		cp->string = usb_cache_string(dev, cp->desc.iConfiguration);
diff --git a/drivers/usb/host/xhci-mem.c b/drivers/usb/host/xhci-mem.c
index a2b20fe..af65322 100644
--- a/drivers/usb/host/xhci-mem.c
+++ b/drivers/usb/host/xhci-mem.c
@@ -180,8 +180,15 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci,
 		struct xhci_segment	*next;
 
 		next = xhci_segment_alloc(xhci, flags);
-		if (!next)
+		if (!next) {
+			prev = ring->first_seg;
+			while (prev) {
+				next = prev->next;
+				xhci_segment_free(xhci, prev);
+				prev = next;
+			}
 			goto fail;
+		}
 		xhci_link_segments(xhci, prev, next, link_trbs, isoc);
 
 		prev = next;
@@ -201,7 +208,7 @@ static struct xhci_ring *xhci_ring_alloc(struct xhci_hcd *xhci,
 	return ring;
 
 fail:
-	xhci_ring_free(xhci, ring);
+	kfree(ring);
 	return NULL;
 }
 
diff --git a/drivers/usb/serial/option.c b/drivers/usb/serial/option.c
index f233bbb..9db3e23 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/fs/ext4/inode.c b/fs/ext4/inode.c
index 1dbf758..7e56946 100644
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2199,6 +2199,8 @@ 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)
-- 
1.9.1