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183718 commits

Author SHA1 Message Date
Linus Torvalds
c3e58a7945 irqdomain bug fixes for v3.10-rc4
This branch contains a set of straight forward bug fixes to the
 irqdomain code and to a couple of drivers that make use of it.
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Merge tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux

Pull irqdomain bug fixes from Grant Likely:
 "This branch contains a set of straight forward bug fixes to the
  irqdomain code and to a couple of drivers that make use of it."

* tag 'irqdomain-for-linus' of git://git.secretlab.ca/git/linux:
  irqchip: Return -EPERM for reserved IRQs
  irqdomain: document the simple domain first_irq
  kernel/irq/irqdomain.c: before use 'irq_data', need check it whether valid.
  irqdomain: export irq_domain_add_simple
2013-06-08 15:50:42 -07:00
Grant Likely
d94ea3f6d2 irqchip: Return -EPERM for reserved IRQs
The irqdomain core will report a log message for any attempted map call
that fails unless the error code is -EPERM. This patch changes the
Versatile irq controller drivers to use -EPERM because it is normal for
a subset of the IRQ inputs to be marked as reserved on the various
Versatile platforms.

Signed-off-by: Grant Likely <grant.likely@linaro.org>
2013-06-08 21:34:16 +01:00
Linus Torvalds
50b4b9c3e8 ARM: SoC fixes for 3.10-rc
Another week, another batch of fixes for arm-soc platforms.
 
 Nothing controversial here, a handful of fixes for regressions and/or
 serious problems across several of the platforms. Things are slowing
 down nicely on fix rates for 3.10.
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Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc

Pull ARM SoC fixes from Olof Johansson:
 "Another week, another batch of fixes for arm-soc platforms.

  Nothing controversial here, a handful of fixes for regressions and/or
  serious problems across several of the platforms.  Things are slowing
  down nicely on fix rates for 3.10"

* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
  ARM: exynos: add debug_ll_io_init() call in exynos_init_io()
  ARM: EXYNOS: uncompress - print debug messages if DEBUG_LL is defined
  ARM: shmobile: sh73a0: Update CMT clockevent rating to 80
  sh-pfc: r8a7779: Don't group USB OVC and PENC pins
  ARM: mxs: icoll: Fix interrupts gpio bank 0
  ARM: imx: clk-imx6q: AXI clock select index is incorrect
  ARM: bcm2835: override the HW UART periphid
  ARM: mvebu: Fix bug in coherency fabric low level init function
  ARM: Kirkwood: TS219: Fix crash by double PCIe instantiation
  ARM: ux500: Provide supplies for AUX1, AUX2 and AUX3
  ARM: ux500: Only configure wake-up reasons on ux500 based platforms
  ARM: dts: imx: fix clocks for cspi
  ARM i.MX6q: fix for ldb_di_sels
2013-06-08 11:56:22 -07:00
Linus Torvalds
6ea31c56a5 Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Regression fixers for the big 3:

   - nouveau: hdmi audio, dac load detect, s/r regressions fixed
   - radeon: long standing system hang fixed, hdmi audio and rs780 fast
     fb fixes
   - intel: one old regression, a WARN removal, and a stop X dying fix

  Otherwise one mgag200 fix, a couple of arm build fixes, and a core use
  after free fix."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/nv50/kms: use dac loadval from vbios, where it's available
  drm/nv50/disp: force dac power state during load detect
  drm/nv50-nv84/fifo: fix resume regression introduced by playlist race fix
  drm/nv84/disp: Fix HDMI audio regression
  drm/i915/sdvo: Use &intel_sdvo->ddc instead of intel_sdvo->i2c for DDC.
  drm/radeon: don't allow audio on DCE6
  drm/radeon: Use direct mapping for fast fb access on RS780/RS880 (v2)
  radeon: Fix system hang issue when using KMS with older cards
  drm/i915: no lvds quirk for hp t5740
  drm/i915: Quirk the pipe A quirk in the modeset state checker
  drm/i915: Fix spurious -EIO/SIGBUS on wedged gpus
  drm/mgag200: Add missing write to index before accessing data register
  drm/nouveau: use mdelay instead of large udelay constants
  drm/tilcd: select BACKLIGHT_LCD_SUPPORT
  drm: fix a use-after-free when GPU acceleration disabled
2013-06-08 11:35:20 -07:00
Linus Torvalds
d7a39e300d Merge branch 'fixes' of git://git.infradead.org/users/vkoul/slave-dma
Pull slave-dmaengine fixes from Vinod Koul:
 "Fix from Andy is for dmatest regression reported by Will and Rabin has
  fixed runtime ref counting for st_dma40"

* 'fixes' of git://git.infradead.org/users/vkoul/slave-dma:
  dmatest: do not allow to interrupt ongoing tests
  dmaengine: ste_dma40: fix pm runtime ref counting
2013-06-08 10:05:10 -07:00
Rafael J. Wysocki
ea7f665612 Revert "ACPI / scan: do not match drivers against objects having scan handlers"
Commit 9f29ab11dd ("ACPI / scan: do not match drivers against objects
having scan handlers") introduced a boot regression on Tony's ia64 HP
rx2600.  Tony says:

  "It panics with the message:

   Kernel panic - not syncing: Unable to find SBA IOMMU: Try a generic or DIG kernel

   [...] my problem comes from arch/ia64/hp/common/sba_iommu.c
   where the code in sba_init() says:

        acpi_bus_register_driver(&acpi_sba_ioc_driver);
        if (!ioc_list) {

   but because of this change we never managed to call ioc_init()
   so ioc_list doesn't get set up, and we die."

Revert it to avoid this breakage and we'll fix the problem it attempted
to address later.

Reported-by: Tony Luck <tony.luck@gmail.com>
Cc: 3.9+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2013-06-07 18:33:12 -07:00
Olof Johansson
090878aa95 The mxs fixes for 3.10:
- Since the time we move to MULTI_IRQ_HANDLER, the 0x7f polling for no
   interrupt in icoll_handle_irq() becomes insane, because 0x7f is an
   valid interrupt number, the irq of gpio bank 0.  That unnecessary
   polling results in the driver not detecting when irq 0x7f is active
   which makes the machine effectively dead lock.  The fix removes the
   interrupt poll loop and allows usage of gpio0 interrupt without an
   infinite loop.
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Merge tag 'mxs-fixes-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6 into fixes

From Shawn Guo, mxs fixes for 3.10:

- Since the time we move to MULTI_IRQ_HANDLER, the 0x7f polling for no
  interrupt in icoll_handle_irq() becomes insane, because 0x7f is an
  valid interrupt number, the irq of gpio bank 0.  That unnecessary
  polling results in the driver not detecting when irq 0x7f is active
  which makes the machine effectively dead lock.  The fix removes the
  interrupt poll loop and allows usage of gpio0 interrupt without an
  infinite loop.

* tag 'mxs-fixes-3.10' of git://git.linaro.org/people/shawnguo/linux-2.6:
  ARM: mxs: icoll: Fix interrupts gpio bank 0

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-07 18:19:40 -07:00
Olof Johansson
fb565ff7c8 Renesas ARM based SoC fixes for v3.10
* Correction to USB OVC and PENC pin groupings on r8a7779 SoC.
   This avoids conflicts when the USB_OVCn pins are used by another function.
   This has been observed to be a problem in v3.10-rc1.
 
 * Update CMT clock rating for sh73a0 SoC to resolve boot failure
   on kzm9g-reference. This resolves a regression between v3.9 and v3.10-rc1.
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Merge tag 'renesas-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes

From Simon Horman, Renesas ARM based SoC fixes for v3.10:
- Correction to USB OVC and PENC pin groupings on r8a7779 SoC.
  This avoids conflicts when the USB_OVCn pins are used by another function.
  This has been observed to be a problem in v3.10-rc1.
- Update CMT clock rating for sh73a0 SoC to resolve boot failure
  on kzm9g-reference. This resolves a regression between v3.9 and v3.10-rc1.

* tag 'renesas-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
  ARM: shmobile: sh73a0: Update CMT clockevent rating to 80
  sh-pfc: r8a7779: Don't group USB OVC and PENC pins

Signed-off-by: Olof Johansson <olof@lixom.net>
2013-06-07 18:11:02 -07:00
Linus Torvalds
e8193ce572 InfiniBand fixes for 3.10-rc:
- qib RCU/lockdep fix
  - iser device removal fix, plus doc fixes
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Merge tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband

Pull infiniband fixes from Roland Dreier:
 - qib RCU/lockdep fix
 - iser device removal fix, plus doc fixes

* tag 'rdma-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/roland/infiniband:
  IB/qib: Fix lockdep splat in qib_alloc_lkey()
  MAINTAINERS: Add entry for iSCSI Extensions for RDMA (iSER) initiator
  IB/iser: Add Mellanox copyright
  IB/iser: Fix device removal flow
2013-06-07 16:29:21 -07:00
Linus Torvalds
5125ed5b54 vfio - fix rmmod crash
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Merge tag 'vfio-v3.10-rc5' of git://github.com/awilliam/linux-vfio

Pull vfio fix from Alex Williamson:
 "fix rmmod crash"

* tag 'vfio-v3.10-rc5' of git://github.com/awilliam/linux-vfio:
  vfio: fix crash on rmmod
2013-06-07 16:28:46 -07:00
Andy Shevchenko
bcc567e311 dmatest: do not allow to interrupt ongoing tests
When user interrupts ongoing transfers the dmatest may end up with console
lockup, oops, or data mismatch. This patch prevents user to abort any ongoing
test.

Documentation is updated accordingly.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Reported-by: Will Deacon <will.deacon@arm.com>
Tested-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Vinod Koul <vinod.koul@intel.com>
2013-06-08 02:13:44 +05:30
Linus Torvalds
3132aef2ed Power management and ACPI fixes for 3.10-rc5
- Fix for an ACPI PM regression causing Toshiba P870-303 to crash
   during boot from Rafael J Wysocki.
 
 - ACPI fix for an issue causing some drivers to attempt to bind to
   devices they shouldn't touch from Aaron Lu.
 
 - Fix for a recent cpufreq regression related to a possible race with
   CPU offline from Michael Wang.
 
 - ACPI cpufreq regression fix for an issue causing turbo frequencies
   to be underutilized in some cases from Ross Lagerwall.
 
 - cpufreq-cpu0 driver fix related to incorrect clock ACPI usage from
   Guennadi Liakhovetski.
 
 - HP WMI driver fix for an issue causing GPS initialization and
   poweroff failures on HP Elitebook 6930p from Lan Tianyu.
 
 - APEI (ACPI Platform Error Interface) fix for an issue in the error
   code path in ghes_probe() from Wei Yongjun.
 
 - New ACPI video driver blacklist entries for HP m4 and HP Pavilion
   g6 from Alex Hung and Ash Willis.
 
 /
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Merge tag 'pm+acpi-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm

Pull power management and ACPI fixes from Rafael J Wysocki:

 - Fix for an ACPI PM regression causing Toshiba P870-303 to crash
   during boot from Rafael J Wysocki.

 - ACPI fix for an issue causing some drivers to attempt to bind to
   devices they shouldn't touch from Aaron Lu.

 - Fix for a recent cpufreq regression related to a possible race with
   CPU offline from Michael Wang.

 - ACPI cpufreq regression fix for an issue causing turbo frequencies to
   be underutilized in some cases from Ross Lagerwall.

 - cpufreq-cpu0 driver fix related to incorrect clock ACPI usage from
   Guennadi Liakhovetski.

 - HP WMI driver fix for an issue causing GPS initialization and
   poweroff failures on HP Elitebook 6930p from Lan Tianyu.

 - APEI (ACPI Platform Error Interface) fix for an issue in the error
   code path in ghes_probe() from Wei Yongjun.

 - New ACPI video driver blacklist entries for HP m4 and HP Pavilion g6
   from Alex Hung and Ash Willis.

* tag 'pm+acpi-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
  ACPI / PM: Do not execute _PS0 for devices without _PSC during initialization
  cpufreq: cpufreq-cpu0: use the exact frequency for clk_set_rate()
  cpufreq: protect 'policy->cpus' from offlining during __gov_queue_work()
  ACPI / scan: do not match drivers against objects having scan handlers
  ACPI / APEI: fix error return code in ghes_probe()
  acpi-cpufreq: set current frequency based on target P-State
  ACPI / video: ignore BIOS initial backlight value for HP Pavilion g6
  ACPI / video: ignore BIOS initial backlight value for HP m4
  x86 / platform / hp_wmi: Fix bluetooth_rfkill misuse in hp_wmi_rfkill_setup()
2013-06-07 13:03:53 -07:00
Rafael J. Wysocki
c6617b39c3 Merge branch 'pm-fixes'
* pm-fixes:
  cpufreq: cpufreq-cpu0: use the exact frequency for clk_set_rate()
  cpufreq: protect 'policy->cpus' from offlining during __gov_queue_work()
  acpi-cpufreq: set current frequency based on target P-State
2013-06-07 12:35:43 +02:00
Rafael J. Wysocki
2314b69253 Merge branch 'acpi-fixes'
* acpi-fixes:
  ACPI / PM: Do not execute _PS0 for devices without _PSC during initialization
  ACPI / scan: do not match drivers against objects having scan handlers
  ACPI / APEI: fix error return code in ghes_probe()
  ACPI / video: ignore BIOS initial backlight value for HP Pavilion g6
  ACPI / video: ignore BIOS initial backlight value for HP m4
  x86 / platform / hp_wmi: Fix bluetooth_rfkill misuse in hp_wmi_rfkill_setup()
2013-06-07 12:35:23 +02:00
Rafael J. Wysocki
7cd8407d53 ACPI / PM: Do not execute _PS0 for devices without _PSC during initialization
Commit b378549 (ACPI / PM: Do not power manage devices in unknown
initial states) added code to force devices without _PSC, but having
_PS0 defined in the ACPI namespace, into ACPI power state D0 by
executing _PS0 for them.  That turned out to break Toshiba P870-303,
however, so revert that code.

References: https://bugzilla.kernel.org/show_bug.cgi?id=58201
Reported-and-tested-by: Jerome Cantenot <jerome.cantenot@gmail.com>
Tracked-down-by: Lan Tianyu <tianyu.lan@intel.com>
Cc: 3.9+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-07 12:33:57 +02:00
Linus Torvalds
e2b02e25c5 Staging driver fixes for 3.10-rc5
Here are some staging and IIO driver fixes for the 3.10-rc5 release.
 
 All of them are tiny, and fix a number of reported issues (build and
 runtime.)
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging

Pull staging driver fixes from Greg Kroah-Hartman:
 "Here are some staging and IIO driver fixes for the 3.10-rc5 release.

  All of them are tiny, and fix a number of reported issues (build and
  runtime)"

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

* tag 'staging-3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
  iio:inkern: Fix typo/bug in convert raw to processed.
  iio: frequency: ad4350: Fix bug / typo in mask
  inkern: iio_device_put after incorrect return/goto
  staging: alarm-dev: information leak in alarm_compat_ioctl()
  iio:callback buffer: free the scan_mask
  staging: alarm-dev: information leak in alarm_ioctl()
  drivers: staging: zcache: fix compile error
  staging: dwc2: fix value of dma_mask
2013-06-06 16:34:11 -07:00
Linus Torvalds
3b285cb2f7 TTY/Serial driver fixes for 3.10-rc4
Here are some small bugfixes, and one revert, of serial driver issues
 that have been reported.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'tty-3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty

Pull tty/serial driver fixes from Greg Kroah-Hartman:
 "Here are some small bugfixes, and one revert, of serial driver issues
  that have been reported"

* tag 'tty-3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty:
  Revert "serial: 8250: Make SERIAL_8250_RUNTIME_UARTS work correctly"
  serial: samsung: enable clock before clearing pending interrupts during init
  serial/imx: disable hardware flow control at startup
2013-06-06 16:33:35 -07:00
Linus Torvalds
c6d6b9d149 USB fixes for 3.10-rc4
Here are a number of USB bugfixes and new device ids for the 3.10-rc5 tree.
 
 Nothing major here, a number of new device ids (and movement from the
 option to the zte_ev driver of a number of ids that we had previously
 gotten wrong, some xhci bugfixes, some usb-serial driver fixes that were
 recently found, some host controller fixes / reverts, and a variety of
 smaller other things.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are a number of USB bugfixes and new device ids for the 3.10-rc5
  tree.

  Nothing major here, a number of new device ids (and movement from the
  option to the zte_ev driver of a number of ids that we had previously
  gotten wrong, some xhci bugfixes, some usb-serial driver fixes that
  were recently found, some host controller fixes / reverts, and a
  variety of smaller other things"

* tag 'usb-3.10-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (29 commits)
  USB: option,zte_ev: move most ZTE CDMA devices to zte_ev
  USB: option: blacklist network interface on Huawei E1820
  USB: whiteheat: fix broken port configuration
  USB: serial: fix TIOCMIWAIT return value
  USB: mos7720: fix hardware flow control
  USB: keyspan: remove unused endpoint-array access
  USB: keyspan: fix bogus array index
  USB: zte_ev: fix broken open
  USB: serial: Add Option GTM681W to qcserial device table.
  USB: Serial: cypress_M8: Enable FRWD Dongle hidcom device
  USB: EHCI: fix regression related to qh_refresh()
  usbfs: Increase arbitrary limit for USB 3 isopkt length
  USB: zte_ev: fix control-message timeouts
  USB: mos7720: fix message timeouts
  USB: iuu_phoenix: fix bulk-message timeout
  USB: ark3116: fix control-message timeout
  USB: mos7840: fix DMA to stack
  USB: mos7720: fix DMA to stack
  USB: visor: fix initialisation of Treo/Kyocera devices
  USB: serial: fix Treo/Kyocera interrrupt-in urb context
  ...
2013-06-06 16:29:17 -07:00
Dan Williams
73228a0538 USB: option,zte_ev: move most ZTE CDMA devices to zte_ev
Per some ZTE Linux drivers I found for the AC2716, the following patch
moves most ZTE CDMA devices from option to zte_ev.  The blacklist stuff
that option does is not required with zte_ev, because it doesn't
implement any of the send_setup hooks which the blacklist suppressed.

I did not move the 2718 over because I could not find any ZTE Linux
drivers for that device, nor even any Windows drivers.

Signed-off-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-06 09:06:25 -07:00
Bjørn Mork
b8a24e6281 USB: option: blacklist network interface on Huawei E1820
The mode used by Windows for the Huawei E1820 will use the
same ff/ff/ff class codes for both serial and network
functions.

Reported-by: Graham Inggs <graham.inggs@uct.ac.za>
Signed-off-by: Bjørn Mork <bjorn@mork.no>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-06 09:02:36 -07:00
Johan Hovold
9eecf22d2b USB: whiteheat: fix broken port configuration
When configuring the port (e.g. set_termios) the port minor number
rather than the port number was used in the request (and they only
coincide for minor number 0).

Cc: stable@vger.kernel.org
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-06 09:02:36 -07:00
Johan Hovold
f4488035ab USB: serial: fix TIOCMIWAIT return value
Fix regression introduced by commit 143d9d9616 ("USB: serial: add
tiocmiwait subdriver operation") which made the ioctl operation return
ENODEV rather than ENOIOCTLCMD when a subdriver TIOCMIWAIT
implementation is missing.

Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2013-06-05 08:34:42 -07:00
Alexey Kardashevskiy
9a6aa279d3 vfio: fix crash on rmmod
devtmpfs_delete_node() calls devnode() callback with mode==NULL but
vfio still tries to write there.

The patch fixes this.

Signed-off-by: Alexey Kardashevskiy <aik@ozlabs.ru>
Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
2013-06-05 08:54:16 -06:00
Guennadi Liakhovetski
0ca6843655 cpufreq: cpufreq-cpu0: use the exact frequency for clk_set_rate()
clk_set_rate() isn't supposed to accept approximate frequencies, instead
a supported frequency should be obtained from clk_round_rate() and then
used to set the clock.

Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-05 13:51:29 +02:00
Michael Wang
2f7021a815 cpufreq: protect 'policy->cpus' from offlining during __gov_queue_work()
Jiri Kosina <jkosina@suse.cz> and Borislav Petkov <bp@alien8.de>
reported the warning:

[   51.616759] ------------[ cut here ]------------
[   51.621460] WARNING: at arch/x86/kernel/smp.c:123 native_smp_send_reschedule+0x58/0x60()
[   51.629638] Modules linked in: ext2 vfat fat loop snd_hda_codec_hdmi usbhid snd_hda_codec_realtek coretemp kvm_intel kvm snd_hda_intel snd_hda_codec crc32_pclmul crc32c_intel ghash_clmulni_intel snd_hwdep snd_pcm aesni_intel sb_edac aes_x86_64 ehci_pci snd_page_alloc glue_helper snd_timer xhci_hcd snd iTCO_wdt iTCO_vendor_support ehci_hcd edac_core lpc_ich acpi_cpufreq lrw gf128mul ablk_helper cryptd mperf usbcore usb_common soundcore mfd_core dcdbas evdev pcspkr processor i2c_i801 button microcode
[   51.675581] CPU: 0 PID: 244 Comm: kworker/1:1 Tainted: G        W    3.10.0-rc1+ 
[   51.683407] Hardware name: Dell Inc. Precision T3600/0PTTT9, BIOS A08 01/24/2013
[   51.690901] Workqueue: events od_dbs_timer
[   51.695069]  0000000000000009 ffff88043a2f5b68 ffffffff8161441c ffff88043a2f5ba8
[   51.702602]  ffffffff8103e540 0000000000000033 0000000000000001 ffff88043d5f8000
[   51.710136]  00000000ffff0ce1 0000000000000001 ffff88044fc4fc08 ffff88043a2f5bb8
[   51.717691] Call Trace:
[   51.720191]  [<ffffffff8161441c>] dump_stack+0x19/0x1b
[   51.725396]  [<ffffffff8103e540>] warn_slowpath_common+0x70/0xa0
[   51.731473]  [<ffffffff8103e58a>] warn_slowpath_null+0x1a/0x20
[   51.737378]  [<ffffffff81025628>] native_smp_send_reschedule+0x58/0x60
[   51.744013]  [<ffffffff81072cfd>] wake_up_nohz_cpu+0x2d/0xa0
[   51.749745]  [<ffffffff8104f6bf>] add_timer_on+0x8f/0x110
[   51.755214]  [<ffffffff8105f6fe>] __queue_delayed_work+0x16e/0x1a0
[   51.761470]  [<ffffffff8105f251>] ? try_to_grab_pending+0xd1/0x1a0
[   51.767724]  [<ffffffff8105f78a>] mod_delayed_work_on+0x5a/0xa0
[   51.773719]  [<ffffffff814f6b5d>] gov_queue_work+0x4d/0xc0
[   51.779271]  [<ffffffff814f60cb>] od_dbs_timer+0xcb/0x170
[   51.784734]  [<ffffffff8105e75d>] process_one_work+0x1fd/0x540
[   51.790634]  [<ffffffff8105e6f2>] ? process_one_work+0x192/0x540
[   51.796711]  [<ffffffff8105ef22>] worker_thread+0x122/0x380
[   51.802350]  [<ffffffff8105ee00>] ? rescuer_thread+0x320/0x320
[   51.808264]  [<ffffffff8106634a>] kthread+0xea/0xf0
[   51.813200]  [<ffffffff81066260>] ? flush_kthread_worker+0x150/0x150
[   51.819644]  [<ffffffff81623d5c>] ret_from_fork+0x7c/0xb0
[   51.918165] nouveau E[     DRM] GPU lockup - switching to software fbcon
[   51.930505]  [<ffffffff81066260>] ? flush_kthread_worker+0x150/0x150
[   51.936994] ---[ end trace f419538ada83b5c5 ]---

It was caused by the policy->cpus changed during the process of
__gov_queue_work(), in other word, cpu offline happened.

Use get/put_online_cpus() to prevent the offline from happening while
__gov_queue_work() is running.

[rjw: The problem has been present since recent commit 031299b
(cpufreq: governors: Avoid unnecessary per cpu timer interrupts)]

References: https://lkml.org/lkml/2013/6/5/88
Reported-by: Borislav Petkov <bp@alien8.de>
Reported-and-tested-by: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Michael Wang <wangyun@linux.vnet.ibm.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-05 13:46:54 +02:00
Aaron Lu
9f29ab11dd ACPI / scan: do not match drivers against objects having scan handlers
With the introduction of ACPI scan handlers, an ACPI device object
with an ACPI scan handler attached to it must not be bound to an ACPI
driver any more.  Therefore it doesn't make sense to match those
ACPI device objects against a newly registered ACPI driver in
acpi_bus_match(), so make that function return 0 if the device
object passed to it has an ACPI scan handler attached.

This also addresses a regression related to a broken ACPI table in
the BIOS, where it has defined a _ROM method under the PCI root
bridge object.  This causes the video module to treat that object
as a display controller device (since only display devices are
supposed to have a _ROM method defined according to the ACPI spec).
As a result, the ACPI video driver binds to the PCI root bridge
object and overwrites the previously assigned driver_data field of
it, causing subsequent calls to acpi_get_pci_dev() to fail.

[rjw: Subject and changelog]
References: https://bugzilla.kernel.org/show_bug.cgi?id=58091
Reported-by: Jason Cassell <bluesloth600@gmail.com>
Reported-and-bisected-by: Dmitry S. Demin <dmitryy.demin@gmail.com>
Cc: 3.9+ <stable@kernel.org>
Signed-off-by: Aaron Lu <aaron.lu@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-05 13:11:47 +02:00
Wei Yongjun
a98d4f64a2 ACPI / APEI: fix error return code in ghes_probe()
Fix to return a negative error code in the acpi_gsi_to_irq() and
request_irq() error handling case instead of 0, as done elsewhere
in this function.

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Reviewed-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-05 13:11:47 +02:00
Ross Lagerwall
8673b83bf2 acpi-cpufreq: set current frequency based on target P-State
Commit 4b31e774 (Always set P-state on initialization) fixed bug
 and caused the driver to always set the target P-State at
least once since the initial P-State may not be the desired one.
Commit 5a1c0228 (cpufreq: Avoid calling cpufreq driver's target()
routine if target_freq == policy->cur) caused a regression in
this behavior.

This fixes the regression by setting policy->cur based on the CPU's
target frequency rather than the CPU's current reported frequency
(which may be different).  This means that the P-State will be set
initially if the CPU's target frequency is different from the
governor's target frequency.

This fixes an issue where setting the default governor to
performance wouldn't correctly enable turbo mode on all cores.

Signed-off-by: Ross Lagerwall <rosslagerwall@gmail.com>
Reviewed-by: Len Brown <len.brown@intel.com>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Cc: 3.8+ <stable@vger.kernel.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2013-06-05 13:10:57 +02:00
Linus Torvalds
4d3797d7e1 Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Pull networking fixes from David Miller:

 1) Fix timeouts with direct mode authentication in mac80211, from
    Stanislaw Gruszka.

 2) Aggregation sessions can deadlock in ath9k, from Felix Fietkau.

 3) Netfilter's xt_addrtype doesn't work with ipv6 due to route lookups
    creating undesirable cache entries, from Florian Westphal.

 4) Fix netfilter's ipt_ULOG from generating non-NULL terminated
    strings.

 5) Fix netdev transmit queue crashes in mac80211, from Johannes Berg.

 6) Fix copy and paste error in 802.11 stack that broke reporting of
    64-bit station tx statistics, from Felix Fietkau.

 7) When qlge_probe fails, it leaks the netdev.  Fix from Wei Yongjun.

 8) SKB control block (where we store the IP options information,
    amongst other things) must be cleared properly otherwise ICMP
    sending can crash for IP tunnels.  Fix from Eric Dumazet.

 9) Verification of Energy Efficient Ether support was coded wrongly,
    the test was inversed.  Fix from Giuseppe CAVALLARO.

10) TCP handles redirects improperly because the wrong flow key is used
    for the route lookup.  From Michal Kubecek.

11) Don't interpret MSG_CMSG_COMPAT from userspace, fix from Andy
    Lutomirski.

12) The new AF_VSOCK was missing from the lockdep string table, fix from
    Federico Vaga.

13) be2net doesn't handle checksumming of IP fragments properly, from
    Somnath Kotur.

14) Fix several bugs in the device address list code that lead to
    crashes and other misbehaviors.  From Jay Vosburgh.

15) Fix ipv6 segmentation handling of fragmented GRE tunnel traffic,
    from Pravin B Shalr.

16) Fix usage of stale policies in IPSEC layer, from Paul Moore.

17) Fix team driver dump of ports when there are a large number of them,
    from Jiri Pirko.

18) Fix softlockups in UDP ipv4 socket lookup causes by and error in the
    hlist_nulls_for_each_entry_rcu() macro.  From Eric Dumazet.

19) Fix several regressions added by the high rate accuracy changes to
    the htb packet scheduler.  From Eric Dumazet.

20) Fix DMA'ing onto the stack in esd_usb2 and peak_usb CAN drivers,
    from Olivier Sobrie and Marc Kleine-Budde.

21) Fix unremovable network devices due to missing route pointer
    installation in the per-device ipv6 address list entries.  From Gao
    feng.

22) Apply the tg3 5719 DMA workaround on 5720 chips as well, otherwise
    we get stalls.  From Nithin Sujir.

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (68 commits)
  net_sched: htb: do not mix 1ns and 64ns time units
  net: fix sk_buff head without data area
  tg3: Add read dma workaround for 5720
  net: ethernet: xilinx_emaclite: set protocol selector bits when writing ANAR
  bnx2x: Fix bridged GSO for 57710/57711 chips
  net: fec: add fallback to random MAC address
  bnx2x: fix TCP offload for tunneling ipv4 over ipv6
  ipv6: assign rt6_info to inet6_ifaddr in init_loopback
  net/mlx4_core: Keep VF assigned MAC in the PF admin table
  net/mlx4_en: Handle unassigned VF MAC address correctly
  net/mlx4_core: Return -EPROBE_DEFER when a VF is probed before PF is sufficiently initialized
  net/mlx4_en: Fix adaptive moderation cq update
  net: can: peak_usb: Do not do dma on the stack
  net: can: esd_usb2: Do not do dma on the stack
  net: can: kvaser_usb: fix reception on "USBcan Pro" and "USBcan R" type hardware.
  net_sched: restore "overhead xxx" handling
  net: force a reload of first item in hlist_nulls_for_each_entry_rcu
  hyperv: Fix vlan_proto setting in netvsc_recv_callback()
  team: fix port list dump for big number of ports
  list: introduce list_first_entry_or_null
  ...
2013-06-05 19:19:04 +09:00
Dave Airlie
0e32fde96b Merge branch 'drm-nouveau-fixes-3.10' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into drm-fixes
Multiple nouveau regression fixes, hdmi audio, s/r and dac load detection
* 'drm-nouveau-fixes-3.10' of git://anongit.freedesktop.org/git/nouveau/linux-2.6:
  drm/nv50/kms: use dac loadval from vbios, where it's available
  drm/nv50/disp: force dac power state during load detect
  drm/nv50-nv84/fifo: fix resume regression introduced by playlist race fix
  drm/nv84/disp: Fix HDMI audio regression
2013-06-05 14:35:08 +10:00
Dave Airlie
943079e111 Merge tag 'drm-intel-fixes-2013-06-04' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Daniel writes:

Three regression fixes and one no-lvds quirk update. The regression Egbert
Eich tracked down goes back to 2.6.37 ... ugh. The other two are pretty
minor: One bogus modeset state checker WARN and a patch to prevent X
dying in a SIGBUS after a gpu hang with failed (or not implement as on
gen2/3) gpu reset.

* tag 'drm-intel-fixes-2013-06-04' of git://people.freedesktop.org/~danvet/drm-intel: (368 commits)
  drm/i915/sdvo: Use &intel_sdvo->ddc instead of intel_sdvo->i2c for DDC.
  drm/i915: no lvds quirk for hp t5740
  drm/i915: Quirk the pipe A quirk in the modeset state checker
  drm/i915: Fix spurious -EIO/SIGBUS on wedged gpus
  Linux 3.10-rc4
  parisc: parport0: fix this legacy no-device port driver!
  parport_pc: disable PARPORT_PC_SUPERIO on parisc architecture
  parisc/PCI: lba: fix: convert to pci_create_root_bus() for correct root bus resources (v2)
  parisc/PCI: Set type for LBA bus_num resource
  MAINTAINERS: update parisc architecture file list
  parisc: kernel: using strlcpy() instead of strcpy()
  parisc: rename "CONFIG_PA7100" to "CONFIG_PA7000"
  parisc: fix kernel BUG at arch/parisc/include/asm/mmzone.h:50
  parisc: memory overflow, 'name' length is too short for using
  powerpc/cputable: Fix typo on P7+ cputable entry
  powerpc/perf: Add missing SIER support
  powerpc/perf: Revert to original NO_SIPR logic
  powerpc/pci: Remove the unused variables in pci_process_bridge_OF_ranges
  powerpc/pci: Remove the stale comments of pci_process_bridge_OF_ranges
  powerpc/pseries: Always enable CONFIG_HOTPLUG_CPU on PSERIES SMP
  ...
2013-06-05 14:34:22 +10:00
Ben Skeggs
d40ee48acd drm/nv50/kms: use dac loadval from vbios, where it's available
Regression from merging the old nv50/nvd9 code together, and may be
needed to fully fix fdo#64904.

The value is ignored completely by the hardware starting from nva3.

Reported-by: Emil Velikov <emil.l.velikov@gmail.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-06-05 14:03:08 +10:00
Ben Skeggs
ea9197cc32 drm/nv50/disp: force dac power state during load detect
fdo#64904

Reported-by: Gerhard Bräunlich <wippbox@gmx.net>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-06-05 14:03:01 +10:00
Ben Skeggs
89e033a4bc drm/nv50-nv84/fifo: fix resume regression introduced by playlist race fix
Reported-by: Maarten Maathuis <madman2003@gmail.com>
Reported-by: Sven Joachim <svenjoac@gmx.de>
Reported-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-06-05 14:02:53 +10:00
Alexander Stein
beba44b17d drm/nv84/disp: Fix HDMI audio regression
Code refactoring in commit 8e9e3d2dea
(drm/nv84/disp: move hdmi control into core) disabled HDMI audio on my
nv84 by removing too much old code without adding it in the new one.
This patch adds the missing code within the new code layout resulting in
HDMI audio working again.
It should work on any HDMI head, but due to lacking ahrdware I could
only test the (1st) one.
It also might be possible that similar code is needed for nva3, which I
can't test.

Signed-off-by: Alexander Stein <alexander.stein@informatik.tu-chemnitz.de>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
2013-06-05 14:02:40 +10:00
Nithin Sujir
9bc297ea06 tg3: Add read dma workaround for 5720
Commit 091f0ea300 "tg3: Add New 5719 Read
DMA workaround" added a workaround for TX DMA stall on the 5719. This
workaround needs to be applied to the 5720 as well.

Cc: stable@vger.kernel.org
Reported-by: Roland Dreier <roland@purestorage.com>
Tested-by: Roland Dreier <roland@purestorage.com>
Signed-off-by: Nithin Nayak Sujir <nsujir@broadcom.com>
Signed-off-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 17:25:18 -07:00
Jens Renner \(EFE\)
3a5395b3d5 net: ethernet: xilinx_emaclite: set protocol selector bits when writing ANAR
This patch sets the protocol selector bits (4:0) of the PHY's MII_ADVERTISE
register (ANAR) when writing ADVERTISE_ALL. The protocol selector bits are
indicating IEEE 803.3u support and are fixed / read-only on some PHYs. Not
setting them correctly on others (like TI DP83630) makes the PHY fall back
to 10M HDX mode which should be avoided.

Tested for TI DP83630 PHY on Microblaze platform.

Signed-off-by: Jens Renner <renner@efe-gmbh.de>
Tested-by: Michal Simek <monstr@monstr.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 17:21:28 -07:00
Yuval Mintz
44dbc78ee4 bnx2x: Fix bridged GSO for 57710/57711 chips
It was recently found out that GSO on 57710/57711 was broken, due to packets
being sent without a valid IP checksum.

Commit 057cf65 "bnx2x: Fix GSO for 57710/57711 chips" partially fixed this
issue, but failed to set the correct IP checksum when receiving GSO packets
via bridges, as such packets enter bnx2x_tx_split() and the FW flags needed
to calculate IP checksum were erroneously set in the incorrect
buffer descriptor.

This patch re-enables GSO in said scenario for 57710/57711 chips.

Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 17:17:08 -07:00
Linus Torvalds
844ce9f204 MMC fixes for 3.10-rc5:
- sdhci-acpi: Fix initial runtime PM status, add more ACPI IDs
  - atmel-mci, omap_hsmmc: DT handling fixes
  - esdhc-imx: Fix SDIO IRQs, fix multiblock reads (both h/w errata)
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Merge tag 'mmc-fixes-for-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC fixes from Chris Ball:
 - sdhci-acpi: Fix initial runtime PM status, add more ACPI IDs
 - atmel-mci, omap_hsmmc: DT handling fixes
 - esdhc-imx: Fix SDIO IRQs, fix multiblock reads (both h/w errata)

* tag 'mmc-fixes-for-3.10-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
  mmc: omap_hsmmc: Skip platform_get_resource_byname() for dt case
  mmc: omap_hsmmc: convert to dma_request_slave_channel_compat
  mmc: omap_hsmmc: Fix the DT pbias workaround for MMC controllers 2 to 5
  mmc: sdhci-pci: add more device ids
  mmc: sdhci-acpi: add more device ids
  mmc: sdhci-acpi: fix initial runtime pm status
  mmc: atmel-mci: convert to dma_request_slave_channel_compat()
  mmc: sdhci-esdhc-imx: fix multiblock reads on i.MX53
  mmc: sdhci-esdhc-imx: Fix SDIO interrupts
2013-06-05 09:13:06 +09:00
Linus Torvalds
bb762929db Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input
Pull input fixes from Dmitry Torokhov:
 "Just a 2 small driver fixups here"

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
  Input: wacom - fix a typo for Cintiq 22HDT
  Input: synaptics - fix sync lost after resume on some laptops
2013-06-05 09:11:06 +09:00
Roland Dreier
c9a2433a90 Merge branches 'iser' and 'qib' into for-next 2013-06-04 17:06:46 -07:00
Mike Marciniszyn
f3bdf34465 IB/qib: Fix lockdep splat in qib_alloc_lkey()
The following backtrace is reported with CONFIG_PROVE_RCU:

    drivers/infiniband/hw/qib/qib_keys.c:64 suspicious rcu_dereference_check() usage!
    other info that might help us debug this:
    rcu_scheduler_active = 1, debug_locks = 1
    4 locks held by kworker/0:1/56:
    :  (events){.+.+.+}, at: [<ffffffff8107a4f5>] process_one_work+0x165/0x4a0
    :  ((&wfc.work)){+.+.+.}, at: [<ffffffff8107a4f5>] process_one_work+0x165/0x4a0
    :  (device_mutex){+.+.+.}, at: [<ffffffffa0148dd8>] ib_register_device+0x38/0x220 [ib_core]
    :  (&(&dev->lk_table.lock)->rlock){......}, at: [<ffffffffa017e81c>] qib_alloc_lkey+0x3c/0x1b0 [ib_qib]

    stack backtrace:
    Pid: 56, comm: kworker/0:1 Not tainted 3.10.0-rc1+ 
    Call Trace:
    [<ffffffff810c0b85>] lockdep_rcu_suspicious+0xe5/0x130
    [<ffffffffa017e8e1>] qib_alloc_lkey+0x101/0x1b0 [ib_qib]
    [<ffffffffa0184886>] qib_get_dma_mr+0xa6/0xd0 [ib_qib]
    [<ffffffffa01461aa>] ib_get_dma_mr+0x1a/0x50 [ib_core]
    [<ffffffffa01678dc>] ib_mad_port_open+0x12c/0x390 [ib_mad]
    [<ffffffff810c2c55>] ?  trace_hardirqs_on_caller+0x105/0x190
    [<ffffffffa0167b92>] ib_mad_init_device+0x52/0x110 [ib_mad]
    [<ffffffffa01917c0>] ?  sl2vl_attr_show+0x30/0x30 [ib_qib]
    [<ffffffffa0148f49>] ib_register_device+0x1a9/0x220 [ib_core]
    [<ffffffffa01b1685>] qib_register_ib_device+0x735/0xa40 [ib_qib]
    [<ffffffff8106ba98>] ? mod_timer+0x118/0x220
    [<ffffffffa017d425>] qib_init_one+0x1e5/0x400 [ib_qib]
    [<ffffffff812ce86e>] local_pci_probe+0x4e/0x90
    [<ffffffff81078118>] work_for_cpu_fn+0x18/0x30
    [<ffffffff8107a566>] process_one_work+0x1d6/0x4a0
    [<ffffffff8107a4f5>] ?  process_one_work+0x165/0x4a0
    [<ffffffff8107c9c9>] worker_thread+0x119/0x370
    [<ffffffff8107c8b0>] ?  manage_workers+0x180/0x180
    [<ffffffff8108294e>] kthread+0xee/0x100
    [<ffffffff81082860>] ?  __init_kthread_worker+0x70/0x70
    [<ffffffff815c04ac>] ret_from_fork+0x7c/0xb0
    [<ffffffff81082860>] ?  __init_kthread_worker+0x70/0x70

Per Documentation/RCU/lockdep-splat.txt, the code now uses rcu_access_pointer()
vs. rcu_dereference().

Reported-by: Jay Fenlason <fenlason@redhat.com>
Reviewed-by: Dean Luick <dean.luick@intel.com>
Signed-off-by: Mike Marciniszyn <mike.marciniszyn@intel.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-06-04 17:05:20 -07:00
Or Gerlitz
28f292e879 IB/iser: Add Mellanox copyright
Add Mellanox copyright to the iser initiator source code which I maintain.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-06-04 17:03:12 -07:00
Roi Dayan
5b61ff43a7 IB/iser: Fix device removal flow
Change the code to destroy the "last opened" rdma_cm id after making
sure we released all other objects (QP, CQs, PD, etc) associated with
the IB device.

Since iser accesses the IB device using the rdma_cm id, we need to
free any objects that are related to the device that is associated
with the rdma_cm id prior to destroying that id.  When this isn't
done, the low level driver that created this device can be unloaded
before iser has a chance to free all the objects and a such a call may
invoke code segment which isn't valid any more and crash.

Cc: Sean Hefty <sean.hefty@intel.com
Signed-off-by: Roi Dayan <roid@mellanox.com>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
2013-06-04 17:03:11 -07:00
Lucas Stach
ff5b2fabf5 net: fec: add fallback to random MAC address
If no valid MAC address could be obtained from the hardware,
fall back to a randomly generated one.

Signed-off-by: Pavel Machek <pavel@denx.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 17:00:32 -07:00
Dmitry Kravkov
e768fb292d bnx2x: fix TCP offload for tunneling ipv4 over ipv6
FW was initialized with data from wrong header, this caused TSO packets
have wrong IP csum.

Signed-off-by: Dmitry Kravkov <dmitry@broadcom.com>
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 16:59:42 -07:00
David S. Miller
23eb45fce9 Merge branch 'fixes-for-3.10' of git://gitorious.org/linux-can/linux-can
Marc Kleine-Budde says:

====================
here are there fixes for the v3.10 release cycle:

The first patch by Jonas Peterson and Olivier Sobrie fixes the reception of CAN
frames on Kvaser's "USBcan Pro" and "USBcan R" type hardware.

The last two patches by Olivier Sobrie (for esd_usb2) and me (for peak_usb)
change the memory handling for the USB messages from stack to kmalloc(), as
memory used for DMA should not be allocated on stack.
====================

Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 14:30:12 -07:00
Or Gerlitz
c418253f12 net/mlx4_core: Keep VF assigned MAC in the PF admin table
MAC addresses assigned by the PF to VFs were not kept in the PF driver
admin table. As a result, displaying the VF MACs from the PF interface
to user space showed zero address where in fact the VF got non-zero
address from the PF, fix that.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 12:58:24 -07:00
Or Gerlitz
ef96f7d46a net/mlx4_en: Handle unassigned VF MAC address correctly
When a VF sense they didn't get MAC address, use random one. This will
address the case of administrator not assigning MAC to the VF through
the PF OS APIs and keep udev happy.

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 12:58:24 -07:00
Jack Morgenstein
5efe5355f2 net/mlx4_core: Return -EPROBE_DEFER when a VF is probed before PF is sufficiently initialized
In the PF initialization, SRIOV is enabled before the PF is fully initialized.
This allows the kernel to probe the newly-exposed VFs before the PF is ready
to handle them (nested probes).

Have the probe method return the -EPROBE_DEFER value in this situation (instead
of the VF probe method retrying its initialization in a loop, and returning -EIO
on failure). When -EPROBE_DEFER is returned by the VF probe method, the kernel
itself will retry the probe after a suitable delay.

Based upon a suggestion by Ben Hutchings <bhutchings@solarflare.com>

Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2013-06-04 12:58:24 -07:00