netlink_send is supposed to send just the cn_msg+hv_kvp_msg via netlink.
Currently it sets an incorrect iovec size, as reported by valgrind.

In the case of registering with the kernel the allocated buffer is large
enough to hold nlmsghdr+cn_msg+hv_kvp_msg, no overrun happens. In the
case of responding to the kernel the cn_msg is located in the middle of
recv_buffer, after the nlmsghdr. Currently the code in netlink_send adds
also the size of nlmsghdr to the payload. But nlmsghdr is a separate
iovec. This leads to an (harmless) out-of-bounds access when the kernel
processes the iovec. Correct the iovec size of the cn_msg to be just
cn_msg + its payload.
Signed-off-by: NOlaf Hering <olaf@aepfle.de>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

hv_kvp_daemon.c: In function 'main':
hv_kvp_daemon.c:1441:8: warning: ignoring return value of 'daemon', declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: NOlaf Hering <olaf@aepfle.de>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

... to simplify error path in upcoming changes.
Signed-off-by: NOlaf Hering <olaf@aepfle.de>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge tag 'extcon-next-for-3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/chanwoo/extcon into char-misc-next

Chanwoo writes:

Update extcon for 3.12

This patchset add new file for OF helper API and modify small fix of extcon-palmas
driver. Also, extcon core dirver use power_efficient_wq instead of system_wq.

Detailed description for patchset:
1. Add new file for OF helper API
- Add OF(OpenFirmware) Helper API which is of_extcon_get_extcon_device().
  This helper API get the extcon device name on extcon consumer device.
- Add usase case about OF helper API of extcon in dwc3-omap.c. dwc3-omap driver
  use extcon subsystem to detect the state of USB/USB-Host cable so dwc3-omap
  call of_extcon_get_extcon_device() to need extcon device name.

2. Modify extcon-palmas.c driver
- Provide option to select whether interrupt is used or not
- Support suspend/resume for palmas driver
- Update palmas interrupt register to detect ID pin
- Code clean to remove unused data
- Rename filename for device tree binding (extcon-twl.txt -> extcon-palmas.txt)

3. Use power_effcient_wq on extcon core driver/extcon-arizona instead of system_wq
- extcon core driver(extcon-gpio.c/extcon-adc-jack.c) use power_effcient_wq
instead of system_wq.

The debounce timeout is generally quite long and the work not performance
critical so allow the scheduler to run the work anywhere rather than in
the normal per-CPU workqueue.
Signed-off-by: NMark Brown <broonie@linaro.org>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

The debounce timeout is generally quite long and the work not performance
critical so allow the scheduler to run the work anywhere rather than in
the normal per-CPU workqueue.
Signed-off-by: NMark Brown <broonie@linaro.org>
Acked-by: NViresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

None of the delayed work the driver schedules has particularly short delays
and it is not performance sensitive so let the scheduler run it wherever
is most efficient rather than in a per CPU workqueue by using the system
power efficient workqueue.
Signed-off-by: NMark Brown <broonie@linaro.org>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

Based on system design, platform needs to detect the VBUS or ID or
both. Provide option to select this through platform data to
disable part of cable detection through palmas-usb.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Acked-by: NGraeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

Add suspend/resume callbacks and support for wakeup from
suspend on USB HOST or USB Device cable insertion or removal.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Acked-by: NGraeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

When integrating driver with Tegra platform, it is found that
the ID pins get detected only once after booting system and
further removal and re-insert does not detect the ID pin.

Fixing this issue with enabling interrupt on ID_GND and ID_FLOAT
always  and clearing the status on LATCH register which actually
occurred.

Also if interrupt occurs with line status as zero then based on
previous status, set the cable state.

Add debug prints to display the cable state when any cable
insertion/removal happen.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Acked-by: NGraeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

Remove unused member vbus_enable and set_vbus_work from palmas_usb
as these members are not used in drivers.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Acked-by: NGraeme Gregory <gg@slimlogic.co.uk>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

Extcon for palma driver does not need vbus supply and hence
removing this from devicetree document/bindings.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

The driver name is extcon/extcon-palmas.c and hence renaming the
device tree binding document to extcon-palmas.txt.
Signed-off-by: NLaxman Dewangan <ldewangan@nvidia.com>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

of_extcon_get_extcon_dev() uses dev_name for getting the reference
to the extcon device. If the extcon driver assigns a different
name other than dev_name, of_extcon_get_extcon_dev() wouldn't
be able to find the reference to the extcon device. Since the
client drivers of extcon-palmas would be using
of_extcon_get_extcon_dev(), removed assigning edev.name
in extcon-palmas.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

Modified dwc3-omap to receive connect and disconnect notification using
extcon framework. Also did the necessary cleanups required after
adapting to extcon framework.
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Acked-by: NFelipe Balbi <balbi@ti.com>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>

Added an API of_extcon_get_extcon_dev() to be used by drivers to get
extcon device in the case of dt boot (this can be used instead of
extcon_get_extcon_dev()).
Signed-off-by: NKishon Vijay Abraham I <kishon@ti.com>
Signed-off-by: NChanwoo Choi <cw00.choi@samsung.com>
Signed-off-by: NMyungjoo Ham <myungjoo.ham@samsung.com>

hv_kvp_daemon.c: In function 'main':
hv_kvp_daemon.c:1441:8: warning: ignoring return value of 'daemon', declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: NOlaf Hering <olaf@aepfle.de>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

hv_kvp_daemon fails to start in current openSuSE 13.1 snapshots because
the kvp_send_buffer is too small to hold cn_msg+hv_kvp_msg, the very
first sendmsg returns with EFAULT. In addition it fixes the Network info
tab in Windows Server 2012R2 in SLES11.

Adjust the code in kvp and vss daemon to allocate the needed buffers at
runtime. To keep the code simple, the buffer_len includes also the
nlmsghdr, although only the recv_buffer needs this extra space.
Signed-off-by: NOlaf Hering <olaf@aepfle.de>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Remove HV_DRV_VERSION, it has no meaning for upstream drivers.

Initially it was supposed to show the "Linux Integration Services"
version, now it is not in sync anymore with the out-of-tree drivers
available from the MSFT website.

The only place where a version string is still required is the KVP
command "IntegrationServicesVersion" which is handled by
tools/hv/hv_kvp_daemon.c. To satisfy such KVP request from the host pass
the current string to the daemon during KVP userland registration.
Signed-off-by: NOlaf Hering <olaf@aepfle.de>
Acked-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

This resolves a merge issue with:
	drivers/misc/mei/init.c
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Merge tag 'pinctrl-for-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl

Pull pin control fixes from Linus Walleij:
 - Driver fixes for AM33xx, SIRF and PFC pin controllers
 - Fix a compile warning from the pinctrl single-register driver
 - Fix a little nasty memory leak

* tag 'pinctrl-for-v3.11-2' of git://git.kernel.org/pub/scm/linux/kernel/git/linusw/linux-pinctrl:
  pinctrl: fix a memleak when freeing maps
  pinctrl: pinctrl-single: fix compile warning when no CONFIG_PM
  pinctrl: sh-pfc: fix SDHI0 VccQ regulator on sh73a0 with DT
  arm/dts: sirf: fix the pingroup name mismatch between drivers and dts
  pinctrl: sirf: add usp0_uart_nostreamctrl pin group for usp-uart without flowctrl
  pinctrl: sirf: fix the pin number and mux bit for usp0
  pinctrl: am33xx dt binding: correct include path

Merge tag 'trace-fixes-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace

Pull tracing fixes from Steven Rostedt:
 "Oleg is working on fixing a very tight race between opening a event
  file and deleting that event at the same time (both must be done as
  root).

  I also found a bug while testing Oleg's patches which has to do with a
  race with kprobes using the function tracer.

  There's also a deadlock fix that was introduced with the previous
  fixes"

* tag 'trace-fixes-3.11-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace:
  tracing: Remove locking trace_types_lock from tracing_reset_all_online_cpus()
  ftrace: Add check for NULL regs if ops has SAVE_REGS set
  tracing: Kill trace_cpu struct/members
  tracing: Change tracing_fops/snapshot_fops to rely on tracing_get_cpu()
  tracing: Change tracing_entries_fops to rely on tracing_get_cpu()
  tracing: Change tracing_stats_fops to rely on tracing_get_cpu()
  tracing: Change tracing_buffers_fops to rely on tracing_get_cpu()
  tracing: Change tracing_pipe_fops() to rely on tracing_get_cpu()
  tracing: Introduce trace_create_cpu_file() and tracing_get_cpu()

Pull SCSI fixes from James Bottomley:
 "This is five bug fixes, two of which fix long standing problems
  causing crashes (sd and mvsas).  The remaining three are hung (isci
  race) or lost (qla2xxx, isci) devices"

* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
  [SCSI] isci: fix breakage caused by >16byte CDB patch
  [SCSI] mvsas: Fix kernel panic on tile due to unaligned data access
  [SCSI] sd: fix crash when UA received on DIF enabled device
  [SCSI] qla2xxx: Properly set the tagging for commands.
  [SCSI] isci: Fix a race condition in the SSP task management path

Suggested by coccinelle and manually verified.
Signed-off-by: NAlexandru Juncu <alexj@rosedu.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

The patch "UIO: fix uio_pdrv_genirq with device tree but no interrupt"
(sha1: e3a3c3a2)
add support to use this driver with no interrupts.
uio_pdrv_genirq also supports device-tree binding
which is not available in uio_pdrv.

That's why this uio_pdrv driver can be just removed.
Signed-off-by: NMichal Simek <michal.simek@xilinx.com>
Reviewed-by: NVitalii Demianets <vitas@nppfactor.kiev.ua>
Reviewed-by: NPavel Machek <pavel@denx.de>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Clear pending connection after hw reset but before hw start
and wake up the waiting task in poll. Signal POLLERR in select
when device went through reset.

Add wrapper mei_cl_is_connected for checking if
the device and client are connected.
Signed-off-by: NTomas Winkler <tomas.winkler@intel.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Each message sent from the guest carries with it a transaction ID.
Assign the transaction ID just before putting the message on the VMBUS.
This would help in debugging on the host side.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

The current code picked the highest version advertised by the host. WS2012 R2
has implemented a protocol version for KVP that is not compatible with prior
protocol versions of KVP. Fix the bug in the current code by explicitly specifying
the protocol version that the guest can support.
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Reviewed-by: NHaiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Check return value of setsockopt call and if it fails print error to the
system log and exit with non-zero value.
Signed-off-by: NTomas Hozza <thozza@redhat.com>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Check return value of poll call and if it fails print error to the
system log. If errno is EINVAL then exit with non-zero value otherwise
continue the while loop and call poll again.
Signed-off-by: NTomas Hozza <thozza@redhat.com>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Use errno and strerror() when logging errors to provide more
information.
Signed-off-by: NTomas Hozza <thozza@redhat.com>
Signed-off-by: NK. Y. Srinivasan <kys@microsoft.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>

Pull drm fixes from Dave Airlie:
 "This is just a regular fixes pull apart from the qxl one, it has
  radeon and intel bits in it,

  The intel fixes are for a regression with the RC6 fix and a 3.10 hdmi
  regression, whereas radeon is more DPM fixes, a few lockup fixes and
  some rn50/r100 DAC fixes"

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/radeon/dpm: fix r600_enable_sclk_control()
  drm/radeon/dpm: implement force performance levels for rv6xx
  drm/radeon/dpm: fix displaygap programming on rv6xx
  drm/radeon/dpm: fix a typo in the rv6xx mclk setup
  drm/i915: initialize gt_lock early with other spin locks
  drm/i915: fix hdmi portclock limits
  drm/radeon: fix combios tables on older cards
  drm/radeon: improve dac adjust heuristics for legacy pdac
  drm/radeon: Another card with wrong primary dac adj
  drm/radeon: fix endian issues with DP handling (v3)
  drm/radeon/vm: only align the pt base to 32k
  drm/radeon: wait for 3D idle before using CP DMA

Pull qxl drm fixes from Dave Airlie:
 "Okay as I warned, the qxl driver was running a bit free and loose with
  its ttm object reservations and the new lockdep enabled reservation
  tracking shone a bright light into it, it also with the new
  reservations mutexes hits a possible deadlock during boot.

  The first patch is a real fix to render the console correctly as the
  driver used to just drop irq renderering as too hard, this also fixes
  a sleeping while atomic warning.

  The other two patches are the big ugly ones that redo how the driver
  allocates objects and reserves them and makes things all work
  properly, I've tested this in a VM, and compared to the current code
  which hits a lockdep warning and the sleep while atomic warning before
  failing.

  So sorry this is coming in late, I should have tested qxl before
  merging the mutex code, but I'd rather just fix qxl with this than
  revert the reservations code at this point"

* 'qxl-fixes' of git://people.freedesktop.org/~airlied/linux:
  qxl: convert qxl driver to proper use for reservations
  qxl: allow creation of pre-pinned objects and use for releases.
  drm/qxl: add delayed fb operations

Pull ACPI and power management fixes from Rafael Wysocki:
 "These are just two fixes, a revert of the would-be backlight fix that
  didn't work and an intel_pstate fix for two problems related to
  maximum P-state selection.

  Specifics:

   - Revert of the ACPI video commit that I hoped would help fix
     backlight problems related to Windows 8 compatibility on some
     systems.  Unfortunately, it turned out to cause problems to happen
     too.

   - Fix for two problems in intel_pstate, a possible failure to respond
     to a load change on a quiet system and a possible failure to select
     the highest available P-state on some systems.  From Dirk
     Brandewie"

* tag 'pm+acpi-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  Revert "ACPI / video / i915: No ACPI backlight if firmware expects Windows 8"
  cpufreq / intel_pstate: Change to scale off of max P-state

Pull arm64 fixes from Catalin Marinas:
 - Stack size increased to 16K (similar to other 64-bit architectures)
 - Additional cache flushing for secondary CPUs boot mode

* tag 'arm64-stable' of git://git.kernel.org/pub/scm/linux/kernel/git/cmarinas/linux-aarch64:
  arm64: Change kernel stack size to 16K
  arm64: Fix definition of arm_pm_restart to match the declaration
  arm64: virt: ensure visibility of __boot_cpu_mode

Pull ARM SoC fixes from Olof Johansson:
 "This is a largeish batch of fixes, mostly because I missed -rc2 due to
  travel/vacation.  So in number these are a bit more than ideal unless
  you amortize them over two -rcs.

  Quick breakdown:
   - Defconfig updates
     - Making multi_v7_defconfig useful on more hardware to encourage
       single-image usage
     - Davinci and nomadik updates due to new code merged this merge
       window
   - Fixes for UART on Samsung platforms, both PM and clock-related
   - A handful of warning fixes from defconfig builds, including for
     max8925 backlight and pxamci (both with appropriate acks)
   - Exynos5440 fixes for LPAE configuration, PM
   - ...plus a bunch of other smaller changes all over the place

  I expect to switch to regressions-or-severe-bugs-only fixes from here
  on out"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc: (37 commits)
  mfd: max8925: fix dt code for backlight
  ARM: omap5: Only select errata 798181 if SMP
  ARM: EXYNOS: Update CONFIG_ARCH_NR_GPIO for Exynos
  ARM: EXYNOS: Fix low level debug support
  ARM: SAMSUNG: Save/restore only selected uart's registers
  ARM: SAMSUNG: Add SAMSUNG_PM config option to select pm
  ARM: S3C24XX: Add missing clkdev entries for s3c2440 UART
  ARM: multi_v7_defconfig: Select USB chipidea driver
  ARM: pxa: propagate errors from regulator_enable() to pxamci
  ARM: zynq: fix compilation warning
  ARM: keystone: fix compilation warning
  ARM: highbank: Only touch common coherency control register fields
  ARM: footbridge: fix overlapping PCI mappings
  dmaengine: shdma: fix a build failure on platforms with no DMA support
  ARM: STi: Set correct ARM ERRATAs.
  ARM: dts: STi: Fix pinconf setup for STiH416 serial2
  ARM: nomadik: configure for NO_HZ and HRTIMERS
  ARM: nomadik: update defconfig base
  ARM: nomadik: Update MMC defconfigs
  ARM: davinci: defconfig: enable EDMA driver
  ...

Pull USB fixes from Greg KH:
 "Here are a number of USB fixes for 3.11-rc3.

  Lots of little things, nothing major.  A number of new device ids,
  build fixes for DMA, and a bunch of other minor things.  All of these
  have been in the linux-next tree"

* tag 'usb-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (40 commits)
  usb: Clear both buffers when clearing a control transfer TT buffer.
  usb/gadget: free opts struct on error recovery
  USB: mos7840: fix memory leak in open
  usb: serial: option.c: remove ONDA MT825UP product ID fromdriver
  usb: serial: option: add Olivetti Olicard 200
  usb: serial: option: blacklist ONDA MT689DC QMI interface
  xhci: fix null pointer dereference on ring_doorbell_for_active_rings
  usb: host: xhci: Enable XHCI_SPURIOUS_SUCCESS for all controllers with xhci 1.0
  usb: fix build warning in pci-quirks.h when CONFIG_PCI is not enabled
  usb: xhci: Mark two functions __maybe_unused
  xhci: Avoid NULL pointer deref when host dies.
  usb: serial: option: Add ONYX 3G device support
  USB: ti_usb_3410_5052: fix dynamic-id matching
  usb: option: add TP-LINK MA260
  USB: option: add D-Link DWM-152/C1 and DWM-156/C1
  USB: EHCI: Fix resume signalling on remote wakeup
  USB: cp210x: add MMB and PI ZigBee USB Device Support
  usb: cp210x support SEL C662 Vendor/Device
  USB: option: append Petatel NP10T device to GSM modems list
  USB: misc: Add Manhattan Hi-Speed USB DVI Converter to sisusbvga
  ...

Pull tty/serial fixes from Greg KH:
 "Here are 3 fixes for TTY and serial issues that have been reported.
  Nothing huge, but nice to get fixed"

* tag 'tty-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  serial: tegra: correct help message in Kconfig from 'ttyHS' to 'ttyTHS'
  tty/8250_early: Don't truncate last character of options
  TTY: snyclinkmp: calculating wrong addresses

Pull staging fixes from Greg KH:
 "Here are some tiny drivers/staging/ fixes for 3.11-rc3

  A number of bugfixes, all pretty tiny, but resolve issues that have
  been reported (the kstrtos32 change fixes a data corruption problem
  that Dan found).  And a MAINTAINERS file update for the comedi
  drivers"

* tag 'staging-3.11-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  MAINTAINERS: Update the list of maintainers for staging/comedi driver.
  staging: tidspbridge: replace strict_strtol() with kstrtos32()
  staging: android: logger: Correct write offset reset on error
  staging: zram: protect zram_reset_device() call
  staging: gdm72xx: potential use after free in send_qos_list()
  staging: drm/imx: drop "select OF_VIDEOMODE"
  staging: frontier: use after free in disconnect()
  staging: comedi: fix a race between do_cmd_ioctl() and read/write
  staging: comedi: COMEDI_CANCEL ioctl should wake up read/write