Commit Graph

311528 Commits

Author SHA1 Message Date
Dan Carpenter d31bb4f062 9p: fix min_t() casting in p9pdu_vwritef()
I don't think we're actually likely to hit this limit but if we do
then the comparison should be done as size_t.  The original code
is equivalent to:
        len = strlen(sptr) % USHRT_MAX;

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-27 15:26:24 -07:00
Linus Torvalds 47b514cd47 USB fixes for 3.5-rc5
Here are some small USB gadget bugfixes, and a few new USB device ids added to
 some drivers for the 3.5-rc5 release.
 
 Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb

Pull USB fixes from Greg Kroah-Hartman:
 "Here are some small USB gadget bugfixes, and a few new USB device ids
  added to some drivers for the 3.5-rc5 release.

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

* tag 'usb-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
  USB: CP210x Add 10 Device IDs
  USB: option: Add USB ID for Novatel Ovation MC551
  usb: phy: Fix Kconfig dependency for Phy drivers
  usb-storage: revert commit afff07e61a (Add 090c:1000 to unusal-devs)
  SCSI & usb-storage: add try_rc_10_first flag
  usb: musb: host: release dma channels if no active io
  usb: gadget: lpc32xx_udc: fix build error with debugfs enabled
  usb: otg: twl6030-usb: Fix twl writes
  USB: option: add id for Cellient MEN-200
  usb: dwc3: fix giveback of queued request in ep_dequeue
  usb: gadget: Complete fsl qe/udc driver conversion
2012-06-27 12:54:05 -07:00
Linus Torvalds 2b25679453 Sound fixes for 3.5-rc5
Here you find quite a few changes for HD-audio and a copule of quirk
 additions for USB-audio.  All reasonably small and/or trivial.
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Merge tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound

Pull sound fixes from Takashi Iwai:
 "Here you find quite a few changes for HD-audio and a copule of quirk
  additions for USB-audio.  All reasonably small and/or trivial."

* tag 'sound-3.5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound:
  ALSA: hda - Fix power-map regression for HP dv6 & co
  ALSA: hda - Initialize caches at codec reconfiguration
  ALSA: hda - Fix memory leaks at module unload
  ALSA: hda - Fix memory leaks in Realtek & Conexant codec parsers
  ALSA: hda - Add Realtek ALC280 codec support
  ALSA: hda - Remove obsoleted CONFIG_SND_HDA_ENABLE_REALTEK_QUIRKS
  ASoC: wm8994: remove duplicate code
  ALSA: usb-audio: add BOSS GT-100 support
  ALSA: HDA: Add inverted internal mic quirk for Lenovo S205
  ALSA: hda - Fix ALC272X codec detection
  ALSA: snd_usb_audio: ignore ctrl errors on QuickCam Pro for Notebooks
  ALSA: snd_usb_audio: ignore ctrl errors on QuickCam E3500
2012-06-27 12:50:28 -07:00
Linus Torvalds 6ebfbe9a1a Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu
Pull a m68knommu fix from Greg Ungerer:
 "It contains a single fix for breakage using the Freescale FEC eth
  driver on ColdFire CPUs."

* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/gerg/m68knommu:
  m68knommu: define a local devm_clk_get() function
2012-06-27 12:48:39 -07:00
Linus Torvalds 843760c58e MMC fixes for 3.5-rc5:
- omap_hsmmc: Using AUTO_CMD12 (enabled by default in 3.5-rc1) has
    been found to cause data corruption on the BeagleBoard, but no
    other OMAP boards so far.  Revert the patch until there's a root
    cause explanation that makes sense, at which point we might
    decide to use a blacklist or whitelist.
  - mmc_block: Fix incorrect data timeouts for the case of multiblock
    (ACMD22) writes for block-addressed cards.
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Merge tag 'mmc-fixes-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc

Pull MMC fixes from Chris Ball:

 - omap_hsmmc: Using AUTO_CMD12 (enabled by default in 3.5-rc1) has
   been found to cause data corruption on the BeagleBoard, but no
   other OMAP boards so far.  Revert the patch until there's a root
   cause explanation that makes sense, at which point we might
   decide to use a blacklist or whitelist.

 - mmc_block: Fix incorrect data timeouts for the case of multiblock
   (ACMD22) writes for block-addressed cards.

* tag 'mmc-fixes-for-3.5-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/cjb/mmc:
  Revert "mmc: omap_hsmmc: Enable Auto CMD12"
  mmc: block: fix the data timeout issue with ACMD22
2012-06-27 12:48:07 -07:00
Linus Torvalds e04fb0202b clk-fixes-for-linus contains three NULL pointer fixes and two device
regression fixups.  Two NULL pointer dereferences were in the common clk
 core due to lack of sanity checking and the third NPD was in the
 mxs-specific clock code due to incorrect use of __initdata.  The device
 regressions were the result of improper data: a wrong string name for
 matching DT data broke the SPEAr ethernet controller and another string
 matching problem in the mxs clock data resulted in a broken MMC
 controller.
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Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux

Pull clk common framework fixes from Mike Turquette:
 "This contains three NULL pointer fixes and two device regression
  fixups.

  Two NULL pointer dereferences were in the common clk core due to lack
  of sanity checking and the third NPD was in the mxs-specific clock
  code due to incorrect use of __initdata.

  The device regressions were the result of improper data: a wrong
  string name for matching DT data broke the SPEAr ethernet controller
  and another string matching problem in the mxs clock data resulted in
  a broken MMC controller."

* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mturquette/linux:
  clk: mxs: fix clock lookup after freeing init memory
  clk: mxs: fix ref_io clock definition
  clk: Check parent for NULL in clk_change_rate
  clk: Allow late cache allocation for clk->parents
  clk: SPEAr600: Fix ethernet clock name for DT based probing
2012-06-27 12:44:58 -07:00
Dave Jones 6b44695e10 chmod +x scripts/gfp-translate
This script lacks an executable bit.

Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2012-06-27 12:44:29 -07:00
Dave Airlie 2266b058d3 Merge branch 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel into drm-fixes
Daniel writes:
"Two tiny patches and one revert:
- Kill a bogus error message introduced in 3.4, further Bspec reading
  indicates that this is how the hw is supposed to work.
- Reorder one backlight register restore, fixing broken backlight on some
  machines after resume.
- Revert a hack from Jesse for ivb backlight control - it breaks the
  backlight controls on my shiny new ivb laptop."

* 'drm-intel-fixes' of git://people.freedesktop.org/~danvet/drm-intel:
  Revert "drm/i915: allow PCH PWM override on IVB"
  drm/i915: Fix eDP blank screen after S3 resume on HP desktops
  drm/i915: rip out the PM_IIR WARN
2012-06-27 19:56:20 +01:00
Daniel Vetter 7aa1e7f06d Revert "drm/i915: allow PCH PWM override on IVB"
This reverts commit f82cfb6bcd.

This breaks the backlight controls on my IVB asus zenbook with an eDP
panel.

I guess the right fix would be to read this bit and use either the pch
or the cpu register to frob the backlight values. But that is stuff
for -next.

Cc: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-Off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
2012-06-27 20:26:30 +02:00
Deepthi Dharwar 75cc523587 PM / ACPI: Fix suspend/resume regression caused by cpuidle cleanup.
Commit e978aa7d7d ( cpuidle: Move
dev->last_residency update to driver enter routine; remove dev->last_state)
was  breaking suspend on laptops, as reported in the below link
	- https://lkml.org/lkml/2011/11/11/164

This was fixed in commit 3439a8da16
(ACPI / cpuidle: Remove acpi_idle_suspend (to fix suspend regression)
by removing acpi_idle_suspend flag.
	- https://lkml.org/lkml/2011/11/14/74

But this did fix did not work on all systems
as Suspend/resume regression was reported on Lenovo S10-3
recently by Dave.
	- https://lkml.org/lkml/2012/5/27/115
It looked like with commit e978aa7d broke suspend and
with commit 3439a8da resume was not working with acpi_idle driver.

This patch fixes the regression that caused this issue
in the first place. acpi_idle_suspend flag is essential on
some x86 systems to prevent the cpus from going to deeper C-states
when suspend is triggered ( commit b04e7bdb98 )
So reverting the commit 3439a8da is essential.

By default, irqs are disabled in cpu_idle arch specific call
and re-enabled in idle state return path . During suspend,
the acpi_idle_suspend flag is set, which
prevents the cpus from going to deeper idle states,
it is essential to enabling the irqs in this return path too.

To address the suspend issue,
we were not re-enabling the interrupts while returning from
acpi_idle_enter_bm() routine if acpi_idle_suspend flag is set.
and this caused suspend failure.

In addition to the above, to improve the readability of the code,
return of -ENIVAL is replaced with -EBUSY in acpi_idle_suspend
return path. Implying that the system is currently busy when suspend
is in progress, which prevents the cpus from entering deeper C-states.

Reported-and-Tested-by: Dav Hansen <dave@linux.vnet.ibm.com>
Tested-by: Preeti Murthy <preeti@linux.vnet.ibm.com>
Signed-off-by: Deepthi Dharwar <deepthi@linux.vnet.ibm.com>
Reviewed-by: Srivatsa S Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
2012-06-27 20:18:53 +02:00
Jon Hunter e90b833ee1 ARM: OMAP4470: Fix OMAP4470 boot failure
OMAP4470 currently fails to boot, printing various messages such as ...

omap_hwmod: mpu: cannot clk_get main_clk dpll_mpu_m2_ck
omap_hwmod: mpu: cannot _init_clocks
------------[ cut here ]------------
WARNING: at arch/arm/mach-omap2/omap_hwmod.c:2062 _init+0x2a0/0x2e4()
omap_hwmod: mpu: couldn't init clocks
Modules linked in:
[<c001c7fc>] (unwind_backtrace+0x0/0xf4) from [<c0043c64>] (warn_slowpath_common+0x4c/0x64)
[<c0043c64>] (warn_slowpath_common+0x4c/0x64) from [<c0043d10>] (warn_slowpath_fmt+0x30/0x40)
[<c0043d10>] (warn_slowpath_fmt+0x30/0x40) from [<c0674208>] (_init+0x2a0/0x2e4)
[<c0674208>] (_init+0x2a0/0x2e4) from [<c067428c>] (omap_hwmod_setup_one+0x40/0x60)
[<c067428c>] (omap_hwmod_setup_one+0x40/0x60) from [<c0674280>] (omap_hwmod_setup_one+0x34/0x60)
[<c0674280>] (omap_hwmod_setup_one+0x34/0x60) from [<c06726f4>] (omap_dm_timer_init_one+0x30/0x250)
[<c06726f4>] (omap_dm_timer_init_one+0x30/0x250) from [<c0672930>] (omap2_gp_clockevent_init+0x1c/0x108)
[<c0672930>] (omap2_gp_clockevent_init+0x1c/0x108) from [<c0672c60>] (omap4_timer_init+0x10/0x5c)
[<c0672c60>] (omap4_timer_init+0x10/0x5c) from [<c066c418>] (time_init+0x20/0x30)
[<c066c418>] (time_init+0x20/0x30) from [<c0668814>] (start_kernel+0x1b0/0x304)
[<c0668814>] (start_kernel+0x1b0/0x304) from [<80008044>] (0x80008044)
---[ end trace 1b75b31a2719ed1c ]---

The problem is that currently none of the clocks are being registered for
OMAP4470 devices and so on boot-up no clocks can be found and the kernel panics.

This fix allows the kernel to boot without failure using a simple RAMDISK file
system on OMAP4470 blaze board.

Per feedback from Paul and Benoit the 4470 clock data is incomplete for new
modules such as the 2D graphics block that has been added to the 4470.
Therefore add a warning to indicate that the clock data is incomplete.

Cc: Paul Walmsley <paul@pwsan.com>
Cc: Benoit Cousson <b-cousson@ti.com>
Signed-off-by: Jon Hunter <jon-hunter@ti.com>
[tony@atomide.com: updated comments]
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-27 08:09:59 -07:00
Brian Norris 903e0e4ef9 UBI: correct usage of IS_ENABLED()
Commit "e9b4cf2 UBI: fix debugfs-less systems support" fixed one
regression but introduced a different regression - the debugfs is now always
compiled out. Root cause: IS_ENABLED() arguments should be used with the
CONFIG_* prefix.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2012-06-27 14:22:15 +03:00
Brian Norris 2d4cf5ae12 UBIFS: correct usage of IS_ENABLED()
Commit "818039c UBIFS: fix debugfs-less systems support" fixed one
regression but introduced a different regression - the debugfs is now always
compiled out. Root cause: IS_ENABLED() arguments should be used with the
CONFIG_* prefix.

Signed-off-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
2012-06-27 14:22:15 +03:00
Hui Wang 85f2f834e8 can: flexcan: use be32_to_cpup to handle the value of dt entry
The freescale arm i.MX series platform can support this driver, and
usually the arm cpu works in the little endian mode by default, while
device tree entry value is stored in big endian format, we should use
be32_to_cpup() to handle them, after modification, it can work well
both on the le cpu and be cpu.

Cc: stable <stable@vger.kernel.org> # v3.2+
Cc: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Hui Wang <jason77.wang@gmail.com>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2012-06-27 11:12:07 +02:00
Dave Airlie e9bf5f36b0 drm/nouveau: add license header to prime.
Just forgot this when I posted it, and yes I'm the only person
to have changed the file since.

Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-27 09:27:35 +01:00
Ian Campbell 6bc96d047f xen/netfront: teardown the device before unregistering it.
Fixes:
[   15.470311] WARNING: at /local/scratch/ianc/devel/kernels/linux/fs/sysfs/file.c:498 sysfs_attr_ns+0x95/0xa0()
[   15.470326] sysfs: kobject eth0 without dirent
[   15.470333] Modules linked in:
[   15.470342] Pid: 12, comm: xenwatch Not tainted 3.4.0-x86_32p-xenU #93
and
[    9.150554] BUG: unable to handle kernel paging request at 2b359000
[    9.150577] IP: [<c1279561>] linkwatch_do_dev+0x81/0xc0
[    9.150592] *pdpt = 000000002c3c9027 *pde = 0000000000000000
[    9.150604] Oops: 0002 [#1] SMP
[    9.150613] Modules linked in:

This is http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=675190

Reported-by: George Shuklin <george.shuklin@gmail.com>
Signed-off-by: Ian Campbell <ian.campbell@citrix.com>
Tested-by: William Dauchy <wdauchy@gmail.com>
Cc: stable@kernel.org
Cc: 675190@bugs.debian.org
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-27 01:25:41 -07:00
stephen hemminger 149ddd83a9 bridge: Assign rtnl_link_ops to bridge devices created via ioctl (v2)
This ensures that bridges created with brctl(8) or ioctl(2) directly
also carry IFLA_LINKINFO when dumped over netlink. This also allows
to create a bridge with ioctl(2) and delete it with RTM_DELLINK.

Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-26 21:12:32 -07:00
Jens Freimann d7ffde35e3 vhost: use USER_DS in vhost_worker thread
On some architectures address spaces are set up in a way that this is
not necessary to work properly but on some others (like s390) it is.
Make sure we operate on the user address space to allow copy_xxx_user()
from the vhost_worker() thread by setting it explicitly before calling
use_mm() and revert it after unuse_mm().

Signed-off-by: Jens Freimann <jfrei@linux.vnet.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-26 21:10:56 -07:00
Sachin Kamat 58c553d4d4 ARM: EXYNOS: Fix EXYNOS_DEV_DMA Kconfig entry
Commit 20ef9e08 ("ARM: EXYNOS: Support DMA for EXYNOS5250 SoC")
renamed EXYNOS4_DEV_DMA to EXYNOS_DEV_DMA. But some machine entries
still had EXYNOS4_DEV_DMA. Changed them to EXYNOS_DEV_DMA.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Kukjin Kim <kgene.kim@samsung.com>
2012-06-27 10:03:00 +09:00
Alexander Duyck 57efd44c8c ixgbe: Do not pad FCoE frames as this can cause issues with FCoE DDP
FCoE target mode was experiencing issues due to the fact that we were
sending up data frames that were padded to 60 bytes after the DDP logic had
already stripped the frame down to 52 or 56 depending on the use of VLANs.
This was resulting in the FCoE DDP logic having issues since it thought the
frame still had data in it due to the padding.

To resolve this, adding code so that we do not pad FCoE frames prior to
handling them to the stack.

CC: <stable@vger.kernel.org>
Signed-off-by: Alexander Duyck <alexander.h.duyck@intel.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@intel.com>
Tested-by: Ross Brattain <ross.b.brattain@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-26 16:44:34 -07:00
Eric Dumazet a2842a1e66 net: l2tp_eth: use LLTX to avoid LOCKDEP splats
Denys Fedoryshchenko reported a LOCKDEP issue with l2tp code.

[ 8683.927442] ======================================================
[ 8683.927555] [ INFO: possible circular locking dependency detected ]
[ 8683.927672] 3.4.1-build-0061 #14 Not tainted
[ 8683.927782] -------------------------------------------------------
[ 8683.927895] swapper/0/0 is trying to acquire lock:
[ 8683.928007]  (slock-AF_INET){+.-...}, at: [<e0fc73ec>]
l2tp_xmit_skb+0x173/0x47e [l2tp_core]
[ 8683.928121]
[ 8683.928121] but task is already holding lock:
[ 8683.928121]  (_xmit_ETHER#2){+.-...}, at: [<c02f062d>]
sch_direct_xmit+0x36/0x119
[ 8683.928121]
[ 8683.928121] which lock already depends on the new lock.
[ 8683.928121]
[ 8683.928121]
[ 8683.928121] the existing dependency chain (in reverse order) is:
[ 8683.928121]
[ 8683.928121] -> #1 (_xmit_ETHER#2){+.-...}:
[ 8683.928121]        [<c015a561>] lock_acquire+0x71/0x85
[ 8683.928121]        [<c034da2d>] _raw_spin_lock+0x33/0x40
[ 8683.928121]        [<c0304e0c>] ip_send_reply+0xf2/0x1ce
[ 8683.928121]        [<c0317dbc>] tcp_v4_send_reset+0x153/0x16f
[ 8683.928121]        [<c0317f4a>] tcp_v4_do_rcv+0x172/0x194
[ 8683.928121]        [<c031929b>] tcp_v4_rcv+0x387/0x5a0
[ 8683.928121]        [<c03001d0>] ip_local_deliver_finish+0x13a/0x1e9
[ 8683.928121]        [<c0300645>] NF_HOOK.clone.11+0x46/0x4d
[ 8683.928121]        [<c030075b>] ip_local_deliver+0x41/0x45
[ 8683.928121]        [<c03005dd>] ip_rcv_finish+0x31a/0x33c
[ 8683.928121]        [<c0300645>] NF_HOOK.clone.11+0x46/0x4d
[ 8683.928121]        [<c0300960>] ip_rcv+0x201/0x23d
[ 8683.928121]        [<c02de91b>] __netif_receive_skb+0x329/0x378
[ 8683.928121]        [<c02deae8>] netif_receive_skb+0x4e/0x7d
[ 8683.928121]        [<e08d5ef3>] rtl8139_poll+0x243/0x33d [8139too]
[ 8683.928121]        [<c02df103>] net_rx_action+0x90/0x15d
[ 8683.928121]        [<c012b2b5>] __do_softirq+0x7b/0x118
[ 8683.928121]
[ 8683.928121] -> #0 (slock-AF_INET){+.-...}:
[ 8683.928121]        [<c0159f1b>] __lock_acquire+0x9a3/0xc27
[ 8683.928121]        [<c015a561>] lock_acquire+0x71/0x85
[ 8683.928121]        [<c034da2d>] _raw_spin_lock+0x33/0x40
[ 8683.928121]        [<e0fc73ec>] l2tp_xmit_skb+0x173/0x47e
[l2tp_core]
[ 8683.928121]        [<e0fe31fb>] l2tp_eth_dev_xmit+0x1a/0x2f
[l2tp_eth]
[ 8683.928121]        [<c02e01e7>] dev_hard_start_xmit+0x333/0x3f2
[ 8683.928121]        [<c02f064c>] sch_direct_xmit+0x55/0x119
[ 8683.928121]        [<c02e0528>] dev_queue_xmit+0x282/0x418
[ 8683.928121]        [<c031f4fb>] NF_HOOK.clone.19+0x45/0x4c
[ 8683.928121]        [<c031f524>] arp_xmit+0x22/0x24
[ 8683.928121]        [<c031f567>] arp_send+0x41/0x48
[ 8683.928121]        [<c031fa7d>] arp_process+0x289/0x491
[ 8683.928121]        [<c031f4fb>] NF_HOOK.clone.19+0x45/0x4c
[ 8683.928121]        [<c031f7a0>] arp_rcv+0xb1/0xc3
[ 8683.928121]        [<c02de91b>] __netif_receive_skb+0x329/0x378
[ 8683.928121]        [<c02de9d3>] process_backlog+0x69/0x130
[ 8683.928121]        [<c02df103>] net_rx_action+0x90/0x15d
[ 8683.928121]        [<c012b2b5>] __do_softirq+0x7b/0x118
[ 8683.928121]
[ 8683.928121] other info that might help us debug this:
[ 8683.928121]
[ 8683.928121]  Possible unsafe locking scenario:
[ 8683.928121]
[ 8683.928121]        CPU0                    CPU1
[ 8683.928121]        ----                    ----
[ 8683.928121]   lock(_xmit_ETHER#2);
[ 8683.928121]                                lock(slock-AF_INET);
[ 8683.928121]                                lock(_xmit_ETHER#2);
[ 8683.928121]   lock(slock-AF_INET);
[ 8683.928121]
[ 8683.928121]  *** DEADLOCK ***
[ 8683.928121]
[ 8683.928121] 3 locks held by swapper/0/0:
[ 8683.928121]  #0:  (rcu_read_lock){.+.+..}, at: [<c02dbc10>]
rcu_lock_acquire+0x0/0x30
[ 8683.928121]  #1:  (rcu_read_lock_bh){.+....}, at: [<c02dbc10>]
rcu_lock_acquire+0x0/0x30
[ 8683.928121]  #2:  (_xmit_ETHER#2){+.-...}, at: [<c02f062d>]
sch_direct_xmit+0x36/0x119
[ 8683.928121]
[ 8683.928121] stack backtrace:
[ 8683.928121] Pid: 0, comm: swapper/0 Not tainted 3.4.1-build-0061 #14
[ 8683.928121] Call Trace:
[ 8683.928121]  [<c034bdd2>] ? printk+0x18/0x1a
[ 8683.928121]  [<c0158904>] print_circular_bug+0x1ac/0x1b6
[ 8683.928121]  [<c0159f1b>] __lock_acquire+0x9a3/0xc27
[ 8683.928121]  [<c015a561>] lock_acquire+0x71/0x85
[ 8683.928121]  [<e0fc73ec>] ? l2tp_xmit_skb+0x173/0x47e [l2tp_core]
[ 8683.928121]  [<c034da2d>] _raw_spin_lock+0x33/0x40
[ 8683.928121]  [<e0fc73ec>] ? l2tp_xmit_skb+0x173/0x47e [l2tp_core]
[ 8683.928121]  [<e0fc73ec>] l2tp_xmit_skb+0x173/0x47e [l2tp_core]
[ 8683.928121]  [<e0fe31fb>] l2tp_eth_dev_xmit+0x1a/0x2f [l2tp_eth]
[ 8683.928121]  [<c02e01e7>] dev_hard_start_xmit+0x333/0x3f2
[ 8683.928121]  [<c02f064c>] sch_direct_xmit+0x55/0x119
[ 8683.928121]  [<c02e0528>] dev_queue_xmit+0x282/0x418
[ 8683.928121]  [<c02e02a6>] ? dev_hard_start_xmit+0x3f2/0x3f2
[ 8683.928121]  [<c031f4fb>] NF_HOOK.clone.19+0x45/0x4c
[ 8683.928121]  [<c031f524>] arp_xmit+0x22/0x24
[ 8683.928121]  [<c02e02a6>] ? dev_hard_start_xmit+0x3f2/0x3f2
[ 8683.928121]  [<c031f567>] arp_send+0x41/0x48
[ 8683.928121]  [<c031fa7d>] arp_process+0x289/0x491
[ 8683.928121]  [<c031f7f4>] ? __neigh_lookup.clone.20+0x42/0x42
[ 8683.928121]  [<c031f4fb>] NF_HOOK.clone.19+0x45/0x4c
[ 8683.928121]  [<c031f7a0>] arp_rcv+0xb1/0xc3
[ 8683.928121]  [<c031f7f4>] ? __neigh_lookup.clone.20+0x42/0x42
[ 8683.928121]  [<c02de91b>] __netif_receive_skb+0x329/0x378
[ 8683.928121]  [<c02de9d3>] process_backlog+0x69/0x130
[ 8683.928121]  [<c02df103>] net_rx_action+0x90/0x15d
[ 8683.928121]  [<c012b2b5>] __do_softirq+0x7b/0x118
[ 8683.928121]  [<c012b23a>] ? local_bh_enable+0xd/0xd
[ 8683.928121]  <IRQ>  [<c012b4d0>] ? irq_exit+0x41/0x91
[ 8683.928121]  [<c0103c6f>] ? do_IRQ+0x79/0x8d
[ 8683.928121]  [<c0157ea1>] ? trace_hardirqs_off_caller+0x2e/0x86
[ 8683.928121]  [<c034ef6e>] ? common_interrupt+0x2e/0x34
[ 8683.928121]  [<c0108a33>] ? default_idle+0x23/0x38
[ 8683.928121]  [<c01091a8>] ? cpu_idle+0x55/0x6f
[ 8683.928121]  [<c033df25>] ? rest_init+0xa1/0xa7
[ 8683.928121]  [<c033de84>] ? __read_lock_failed+0x14/0x14
[ 8683.928121]  [<c0498745>] ? start_kernel+0x303/0x30a
[ 8683.928121]  [<c0498209>] ? repair_env_string+0x51/0x51
[ 8683.928121]  [<c04980a8>] ? i386_start_kernel+0xa8/0xaf

It appears that like most virtual devices, l2tp should be converted to
LLTX mode.

This patch takes care of statistics using atomic_long in both RX and TX
paths, and fix a bug in l2tp_eth_dev_recv(), which was caching skb->data
before a pskb_may_pull() call.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Denys Fedoryshchenko <denys@visp.net.lb>
Cc: James Chapman <jchapman@katalix.com>
Cc: Hong zhi guo <honkiko@gmail.com>
Cc: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-26 16:42:33 -07:00
Craig Shelley 3fcc8f9682 USB: CP210x Add 10 Device IDs
This patch adds 10 device IDs for CP210x based devices from the following manufacturers:
Timewave
Clipsal
Festo
Link Instruments

Signed-off-by: Craig Shelley <craig@microtron.org.uk>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-26 16:14:34 -07:00
Forest Bond 065b07e7a1 USB: option: Add USB ID for Novatel Ovation MC551
This device is also known as the Verizon USB551L.

Signed-off-by: Forest Bond <forest.bond@rapidrollout.com>
Acked-by: Dan Williams <dcbw@redhat.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-26 16:14:34 -07:00
Alexandre Pereira da Silva c6156328de usb: phy: Fix Kconfig dependency for Phy drivers
USB phy layer driver are only built if usb host is selected, but they
are used too by USB_GADGET drivers

Signed-off-by: Alexandre Pereira da Silva <aletes.xgr@gmail.com>
Acked-by: Roland Stigge <stigge@antcom.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-26 16:14:33 -07:00
Ming Lei fe85227347 Revert "mmc: omap_hsmmc: Enable Auto CMD12"
This patch reverts the commit dba3c29ea4.

After bisecting, this commit dba3c29 is found to ruin micro-SD card data
(writing incorrect file, or fs is corrupt after several times mount)
on the beagle-xm revB, and reverting the commit will fix the problem.

Also from TRM of OMAP3/OMAP4/DM37x, the below is mentioned about
the Auto CMD12 Enable bit.
        - SDIO does not support this feature.
        - SD card only.
Looks it is not suitable to always enable Auto CMD12 in host controller
driver.

Considered that the commit is not mature enough, so ask to revert it
first.

Cc: Balaji T K <balajitk@ti.com>
Cc: Venkatraman S <svenkatr@ti.com>
Buglink: https://lkml.org/lkml/2012/6/10/225
Reported-by: Paolo Pisati <p.pisati@gmail.com>
Reported-bisected-and-tested-by: Ming Lei <ming.lei@canonical.com>
Signed-off-by: Ming Lei <ming.lei@canonical.com>
Acked-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-06-26 16:10:30 -04:00
Subhash Jadavani d380443cd0 mmc: block: fix the data timeout issue with ACMD22
If multi block write operation fails for SD card, during
error handling we send the SD_APP_SEND_NUM_WR_BLKS (ACMD22)
to know how many blocks were already programmed by card.

But mmc_sd_num_wr_blocks() function which sends the ACMD22
calculates the data timeout value from csd.tacc_ns and
csd.tacc_clks parameters which will be 0 for block addressed
(>2GB cards) SD card. This would result in timeout_ns and
timeout_clks being 0 in the mmc_request passed to host driver.
This means host controller would program its data timeout timer
value with 0 which could result in DATA TIMEOUT errors from
controller.

To fix this issue, mmc_sd_num_wr_blocks() should instead
just call the mmc_set_data_timeout() to calculate the
data timeout value. mmc_set_data_timeout() function
ensures that non zero timeout value is set even for
block addressed SD cards.

Signed-off-by: Subhash Jadavani <subhashj@codeaurora.org>
Reviewed-by: Venkatraman S <svenkatr@ti.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
2012-06-26 16:10:29 -04:00
Jan Beulich 116e90b23f syslog: fill buffer with more than a single message for SYSLOG_ACTION_READ
The recent changes to the printk buffer management resulted in
SYSLOG_ACTION_READ to only return a single message, whereas previously
the buffer would get filled as much as possible. As, when too small to
fit everything, filling it to the last byte would be pretty ugly with
the new code, the patch arranges for as many messages as possible to
get returned in a single invocation. User space tools in at least all
SLES versions depend on the old behavior.

This at once addresses the issue attempted to get fixed with commit
b56a39ac26 ("printk: return -EINVAL if
the message len is bigger than the buf size"), and since that commit
widened the possibility for losing a message altogether, the patch
here assumes that this other commit would get reverted first
(otherwise the patch here won't apply).

Furthermore, this patch also addresses the problem dealt with in
commit 4a77a5a06e ("printk: use mutex
lock to stop syslog_seq from going wild"), so I'd recommend reverting
that one too (albeit there's no direct collision between the two).

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Kay Sievers <kay@vrfy.org>
Cc: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-26 12:37:36 -07:00
Greg Kroah-Hartman 6fda135c90 Revert "printk: return -EINVAL if the message len is bigger than the buf size"
This reverts commit b56a39ac26.

A better patch from Jan will follow this to resolve the issue.

Acked-by: Kay Sievers <kay@vrfy.org>
Cc: Fengguang Wu <wfg@linux.intel.com>
Cc: Yuanhan Liu <yuanhan.liu@linux.intel.com>
Cc: Jan Beulich <JBeulich@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2012-06-26 12:35:24 -07:00
Linus Torvalds d1346a6cba Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linux
Pull drm fixes from Dave Airlie:
 "Just two changes: one udl endian fix, one nouveau memory corruption on
  some GPUs."

* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
  drm/nouveau/fbcon: using nv_two_heads is not a good idea
  drm/udl: Make sure to get correct endian keys from vendor descriptor
2012-06-26 11:26:50 -07:00
Linus Torvalds 60d2c25251 Merge branch 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid
Pull HID fixes from Jiri Kosina:
 "The most important one is a purification of Kconfig for CONFIG_HID;
  the inclusion of HID groups and autoloading didn't leave the Kconfig
  in a really consistent state.  Henrik's patch fixes that.  In addition
  to that, there are two small fixes for logitech and magicmouse
  drivers."

* 'upstream-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/hid:
  HID: Fix the generic Kconfig options
  HID: magicmouse: Correct report range of major / minor axes
  HID: logitech: don't use stack based dj_report structures
2012-06-26 11:23:41 -07:00
Takashi Iwai 6e1c39c6b0 ALSA: hda - Fix power-map regression for HP dv6 & co
The recent fix for power-map controls (commit b0791dda81) caused
regressions on some other HP laptops.  They have fixed pins but these
pins are exposed as jack-detectable.  Thus the driver tries to control
the power-map dynamically per jack detection where it never gets on.

This patch adds the check of connection and it assumes the no jack
detection is available for fixed pins no matter what pin capability
says.

BugLink: http://bugs.launchpad.net/bugs/1013183
Reported-by: Luis Henriques <luis.henriques@canonical.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-26 17:43:06 +02:00
H. Peter Anvin 1b6b7c9ff3 x86, cpufeature: Remove stray %s, add -w to mkcapflags.pl
There was a stray %s left from testing, remove it.

Add -w to the #! line (which is parsed by Perl even if the Perl
interpreter is invoked explicitly on the command line) to catch these
kinds of errors in the future.

Reported-by: Jean Delvare <khali@linux-fr.org>
Link: http://lkml.kernel.org/r/20120626143246.0c9bf301@endymion.delvare
Signed-off-by: H. Peter Anvin <hpa@linux.intel.com>
2012-06-26 08:02:48 -07:00
Takashi Iwai 09a6071bfe ALSA: hda - Initialize caches at codec reconfiguration
Better to clean up the caches for avoiding inconsistent codec state
after the reconfiguration.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-26 15:01:33 +02:00
Takashi Iwai 59cad16bc6 ALSA: hda - Fix memory leaks at module unload
Some caches aren't released properly at module unloading time.

Cc: <stable@vger.kernel.org> [v3.4+]
Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-26 15:00:20 +02:00
Takashi Iwai ee48df57c9 ALSA: hda - Fix memory leaks in Realtek & Conexant codec parsers
When moved to the helper code, forgot to release the verb arrays.

Signed-off-by: Takashi Iwai <tiwai@suse.de>
2012-06-26 14:56:20 +02:00
Ben Skeggs 9bd0c15fcf drm/nouveau/fbcon: using nv_two_heads is not a good idea
nv_two_heads() was never meant to be used outside of pre-nv50 code.  The
code checks for >= NV_10 for 2 CRTCs, then downgrades a few specific
chipsets to 1 CRTC based on (pci_device & 0x0ff0).

The breakage example seen is on GTX 560Ti, with a pciid of 0x1200, which
gets detected as an NV20 (0x020x) with 1 CRTC by nv_two_heads(), causing
memory corruption because there's actually 2 CRTCs..

This switches fbcon to use the CRTC count directly from the mode_config
structure, which will also fix the same issue on Kepler boards which have
4 CRTCs.

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
2012-06-26 12:16:43 +01:00
Kevin Hilman bb44c30e53 ARM: OMAP2+: nand: fix build error when CONFIG_MTD_ONENAND_OMAP2=n
commit 8259573b (ARM: OMAP2+: nand: Make board_onenand_init() visible
to board code) broke the build for configs with OneNAND disabled.  By
removing the static in the header file, it created a duplicate definition
in the .c and the .h files, resuling in a build error:

/work/kernel/omap/dev/arch/arm/mach-omap2/board-flash.c:102:111: error: redefinition of 'board_onenand_init'
/work/kernel/omap/dev/arch/arm/mach-omap2/board-flash.h:56:51: note: previous definition of 'board_onenand_init' was here
make[2]: *** [arch/arm/mach-omap2/board-flash.o] Error 1
make[2]: *** Waiting for unfinished jobs....
make[1]: *** [arch/arm/mach-omap2] Error 2
make: *** [sub-make] Error 2

Fix this by removing the duplicate dummy entry from the C file.

Cc: Enric Balletbò i Serra <eballetbo@gmail.com>
Cc: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Kevin Hilman <khilman@ti.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
2012-06-26 03:29:57 -07:00
Marc Kleine-Budde d03ac61daa clk: mxs: fix clock lookup after freeing init memory
The struct clk_lookup are marked as __initdata, resulting in being
removed from memory after the kernel finished booting. However this
leads to a NULL pointer de-ref if loading a module which uses clk_get.

This patch removes the __initdata from the struct clk_lookup.

Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-06-25 16:51:48 -07:00
Shawn Guo d6dc55c185 clk: mxs: fix ref_io clock definition
The definition of clocks ref_io0 and ref_io1 were inverted.  It causes
a mmc regression on some boards right away.  Fix the regression by
correcting the ref_io clock definition.

Reported-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-06-25 16:51:48 -07:00
Pawel Moll bf47b4fd8f clk: Check parent for NULL in clk_change_rate
clk_change_rate() is accessing parent's rate without checking
if the parent exists at all. In case of root clocks this will
cause NULL pointer dereference.

This patch follows what clk_calc_new_rates() does in such
situation.

Signed-off-by: Pawel Moll <pawel.moll@arm.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Cc: stable@kernel.org
2012-06-25 16:51:48 -07:00
Rajendra Nayak 7975059db5 clk: Allow late cache allocation for clk->parents
Parent clocks for muxes are cached in clk->parents to
avoid frequent lookups, however the cache allocation happens
only during clock registeration and later clk_set_parent()
assumes a cache space available and allocated.

This is not entirely true for platforms which do early clock
registerations wherein the cache allocation using kzalloc
could fail during clock registeration.

Allow cache allocation to happen later as part of clk_set_parent()
to help such cases and avoid crashes assuming a cache being
available.

While here also replace existing kmalloc() with kzalloc()
in the file.

Signed-off-by: Rajendra Nayak <rnayak@ti.com>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
Cc: stable@kernel.org
2012-06-25 16:51:47 -07:00
Stefan Roese 3a35fc3a13 clk: SPEAr600: Fix ethernet clock name for DT based probing
Signed-off-by: Stefan Roese <sr@denx.de>
Cc: Viresh Kumar <viresh.kumar@st.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Mike Turquette <mturquette@linaro.org>
2012-06-25 16:51:47 -07:00
alex.bluesman.smirnov@gmail.com 8a8e28b8e2 mac802154: add missed braces
Add missed braces after 'if' operator.

Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:35:30 -07:00
Eric Dumazet aa214de059 net: l2tp_eth: fix l2tp_eth_dev_xmit race
Its illegal to dereference skb after giving it to l2tp_xmit_skb()
as it might be already freed/reused.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:30:54 -07:00
Yevgeny Petrilin 044ca2a5f2 net/mlx4_en: Release QP range in free_resources
Add a missing resource release in ring cleanup.
Not doing this leaves a range of QPs that are being reserved,
and no one can use them.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:30:12 -07:00
Yevgeny Petrilin 9858d2d1ac net/mlx4: Use single completion vector after NOP failure
Fix a crash at the error flow of NOP command which caused the driver to try and use
a completion vector which wasn't allocated.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:30:12 -07:00
Yevgeny Petrilin 5c8e904666 net/mlx4_en: Set correct port parameters during device initialization
Set valid port parameters: MTU and flow control configuration when
configuring the port during HW device initialization,
prior to the net device open() being called.
Using  invalid parameters (such as all zeros)
could lead to bad firmware behavior.

Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:30:12 -07:00
Davide Gerhard 6de0298ec9 ipheth: add support for iPad
This adds support for the iPad to the ipheth driver.
(product id = 0x129a)

Signed-off-by: Davide Gerhard <rainbow@irh.it>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:20:41 -07:00
Sjur Brændeland 1fdc7630b2 caif-hsi: Add missing return in error path
Fix a missing return, causing access to freed memory.

Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:07:23 -07:00
Per Ellefsen 3935600a7f caif-hsi: Bugfix - Piggyback'ed embedded CAIF frame lost
When receiving a piggyback'ed descriptor containing an
embedded frame, but no payload, the embedded frame was
lost.

Signed-off-by: Per Ellefsen <per.ellefsen@stericsson.com>
Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2012-06-25 16:07:22 -07:00