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pfault, dasd diag and virtio all use the same external interrupt number.
The respective interrupt handlers decide by the subcode if they are
meant to handle the interrupt.
Counting is currently done before looking at the subcode which means
each handler counts an interrupt even if it is not handling it.
Fix this by moving the kstat code after the code which looks at the
subcode.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
* 'drm-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/airlied/drm-2.6:
drm/i915: restore only the mode of this driver on lastclose (v2)
drm/radeon/kms: add info query for tile pipes
drm/radeon/kms: add missing safe regs for 6xx/7xx
drm: select FRAMEBUFFER_CONSOLE_PRIMARY if we have FRAMEBUFFER_CONSOLE
Resubmit interrupt URB if device is open. Use a flag set in
usbnet_open() to determine this state. Also kill and free
interrupt URB in usbnet_disconnect().
[Rebased off git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git]
Signed-off-by: Paul Stewart <pstew@chromium.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
commit 5ed540aecc2aae92d5c97b9a9306a5bf88ad5574 change the led behavior
for iwlwifi driver; the side effect cause led blink all the time.
Modify the led blink table to fix this problem
Signed-off-by: Wey-Yi Guy <wey-yi.w.guy@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
We call rtc_read_alarm from rtc_device_register, so it is important
that the rtc device is fully initialized prior to registration.
rtc-max8925 sets drvdata after register, so the rtc_read_alarm code
dereferences a NULL pointer.
Call dev_set_drvdata before rtc_device_register.
[ jstultz/tglx: Massaged commit message ]
Signed-off-by: Zhangfei Gao <zhangfei.gao@marvell.com>
Cc: Alessandro Zummo <a.zummo@towertech.it>
Link: http://lkml.kernel.org/r/%3C1303929869-25249-1-git-send-email-john.stultz%40linaro.org%3E
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Don't report BTN_TOUCH until we've got data as some less robust applications
can be confused by getting a touch event by itself and it doesn't seem
unreasonable for them to expect coordinates along with a touch.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This allows maximum flexibility for configuring the direct GPIO based
interrupts.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
If the WM831x pen down and data IRQs run in parallel it is possible for the
data and pen down IRQs to deadlock themselves as one is part way through
disabling its operation while the other is part way through enabling. Fix
this by always disabling the pen down interrupt while data is active and
vice versa. When a changeover is required we disable the IRQ that is to
be stopped then schedule work that will enable the new IRQ.
We need to handle the data flow in the data IRQ as the readback from the
device needs to be ordered correctly with the IRQ for robust operation.
This also fixes an issue when using the built in IRQs due to enable_irq()
not being valid from interrupt context on an interrupt controller with bus
operations like the built in IRQ controller - this issue may also have
affected other interrupt controllers. We can't rely on having the data
and pen down IRQs available via GPIOs on the CPU on every system.
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
It seems that under certain circumstances the sdhci_tasklet_finish()
call can be entered with mrq set to NULL, causing the system to crash
with a NULL pointer de-reference.
Seen on S3C6410 system. Based on a patch by Dimitris Papastamos.
Reported-by: Dimitris Papastamos <dp@opensource.wolfsonmicro.com>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
It seems that under certain circumstances that the sdhci_tasklet_finish()
call can be entered with mrq->cmd set to NULL, causing the system to crash
with a NULL pointer de-reference.
Unable to handle kernel NULL pointer dereference at virtual address 00000000
PC is at sdhci_tasklet_finish+0x34/0xe8
LR is at sdhci_tasklet_finish+0x24/0xe8
Seen on S3C6410 system.
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Mark Brown <broonie@opensource.wolfsonmicro.com>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
The aggressive clock gating for TMIO MMC patch has broken switching
interface power on, using MFD or platform callbacks. Restore the
ios->power_mode == MMC_POWER_UP && ios->clock == 0 case handling.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Signed-off-by: Chris Ball <cjb@laptop.org>
Currently there is a race in the MMC core between a card-detect
rescan work and the clock-gating work, scheduled from a command
completion. Fix it by removing the dedicated clock-gating mutex
and using the MMC standard locking mechanism instead.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@gmx.de>
Cc: Simon Horman <horms@verge.net.au>
Cc: Magnus Damm <damm@opensource.se>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: <stable@kernel.org>
Signed-off-by: Chris Ball <cjb@laptop.org>
Either OMAP_MMC_STAT_CARD_ERR or OMAP_MMC_STAT_END_OF_CMD might fire
if there is no host->cmd pointer.
Check for a valid host->cmd pointer before calling mmc_omap_cmd_done().
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Acked-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Chris Ball <cjb@laptop.org>
Fixes a cosmetic bug that affects printk() for SD-combo cards.
Reported-by: Prashanth Bhat <prashanth.bhat@manipal.net>
Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl>
Signed-off-by: Chris Ball <cjb@laptop.org>
If pci_ioremap_bar() fails during probe, we "goto release;" and free the
host, but then we return 0 -- which tells sdhci_pci_probe() that the probe
succeeded. Since we think the probe succeeded, when we unload sdhci we'll
go to sdhci_pci_remove_slot() and it will try to dereference slot->host,
which is now NULL because we freed it in the error path earlier.
The patch simply sets ret appropriately, so that sdhci_pci_probe() will
detect the failure immediately and bail out.
Signed-off-by: Chris Ball <cjb@laptop.org>
Cc: <stable@kernel.org>
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-2.6: (42 commits)
[media] media: vb2: correct queue initialization order
[media] media: vb2: fix incorrect v4l2_buffer->flags handling
[media] s5p-fimc: Add support for the buffer timestamps and sequence
[media] s5p-fimc: Fix bytesperline and plane payload setup
[media] s5p-fimc: Do not allow changing format after REQBUFS
[media] s5p-fimc: Fix FIMC3 pixel limits on Exynos4
[media] tda18271: update tda18271c2_rf_cal as per NXP's rev.04 datasheet
[media] tda18271: update tda18271_rf_band as per NXP's rev.04 datasheet
[media] tda18271: fix bad calculation of main post divider byte
[media] tda18271: prog_cal and prog_tab variables should be s32, not u8
[media] tda18271: fix calculation bug in tda18271_rf_tracking_filters_init
[media] omap3isp: queue: Don't corrupt buf->npages when get_user_pages() fails
[media] v4l: Don't register media entities for subdev device nodes
[media] omap3isp: Don't increment node entity use count when poweron fails
[media] omap3isp: lane shifter support
[media] omap3isp: ccdc: support Y10/12, 8-bit bayer fmts
[media] media: add missing 8-bit bayer formats and Y12
[media] v4l: add V4L2_PIX_FMT_Y12 format
cx23885: Fix stv0367 Kconfig dependency
[media] omap3isp: Use isp xclk defines
...
Fix up trivial conflict (spelink errurs) in drivers/media/video/omap3isp/isp.c
i915 calls the panic handler function on last close to reset the modes,
however this is a really bad idea for multi-gpu machines, esp shareable
gpus machines. So add a new entry point for the driver to just restore
its own fbcon mode.
v2: move code into fb helper, fix panic code to block mode change on
powered off GPUs.
[airlied: this hits drm core and I wrote it and it was reviewed on intel-gfx
so really I signed it off twice ;-).]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Dave Airlie <airlied@redhat.com>
Multi-gpu/switcheroo relies on this option to get the console on the
correct GPU at bootup, some distros enable it but it seems some get
it wrong.
cc: stable@kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
* 'for-linus' of git://git390.marist.edu/pub/scm/linux-2.6:
[S390] kvm-390: Let kernel exit SIE instruction on work
[S390] dasd: check sense type in device change handler
[S390] pfault: fix token handling
[S390] qdio: reset error states immediately
[S390] fix page table walk for changing page attributes
[S390] prng: prevent access beyond end of stack
[S390] dasd: fix race between open and offline
F15h CPUs may report a non-DRAM address when reporting an error address
belonging to a CC6 state save area. Add a workaround to detect this
condition and compute the actual DRAM address of the error as documented
in the Revision Guide for AMD Family 15h Models 00h-0Fh Processors.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
F15h and later use a portion of DRAM as a CC6 storage area. BIOS
programs D18F1x[17C:140,7C:40] DRAM Base/Limit accordingly by
subtracting the storage area from the DRAM limit setting. However, in
order for edac to consider that part of DRAM too, we need to include it
into the per-node range.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This warning was wrongfully added for a normal condition - intlvsel
actually selects the destination node when node interleaving is enabled
and it is not a mismatch. For a detailed example, see section 2.8.10.2
"Node Interleaving" in F10h BKDG.
Signed-off-by: Borislav Petkov <borislav.petkov@amd.com>
This patch adds the TCO Watchdog DeviceIDs for the Intel Panther Point PCH.
Signed-off-by: Seth Heasley <seth.heasley@intel.com>
Signed-off-by: Wim Van Sebroeck <wim@iguana.be>
There is at least one BIOS with a DSDT containing a power resource
object with a _PR0 entry pointing back to that power resource. In
consequence, while registering that power resource
acpi_bus_get_power_flags() sees that it depends on itself and tries
to register it again, which leads to an infinitely deep recurrence.
This problem was introduced by commit bf325f9538d8c89312be305b9779e
(ACPI / PM: Register power resource devices as soon as they are
needed).
To fix this problem use the observation that power resources cannot
be power manageable and prevent acpi_bus_get_power_flags() from
being called for power resource objects.
References: https://bugzilla.kernel.org/show_bug.cgi?id=31872
Reported-and-tested-by: Pascal Dormeau <pdormeau@free.fr>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Len Brown <lenb@kernel.org>
Cc: stable@kernel.org
It turns out that some PCI devices are only found to be
wakeup-capable during registration, in which case, when
device_set_wakeup_capable() is called, device_is_registered() already
returns 'true' for the given device, but dpm_sysfs_add() hasn't been
called for it yet. This leads to situations in which the device's
power.can_wakeup flag is not set as requested because of failing
wakeup_sysfs_add() and its wakeup-related sysfs files are not
created, although they should be present. This is a post-2.6.38
regression introduced by commit cb8f51bdadb7969139c2e39c2defd4cde98c1
(PM: Do not create wakeup sysfs files for devices that cannot wake
up).
To work around this problem initialize the device's power.entry
field to an empty list head and make device_set_wakeup_capable()
check if it is still empty before attempting to add the devices
wakeup-related sysfs files with wakeup_sysfs_add(). Namely, if
power.entry is still empty at this point, device_pm_add() hasn't been
called yet for the device and its wakeup-related files will be
created later, so device_set_wakeup_capable() doesn't have to create
them.
Reported-and-tested-by: Tino Keitel <tino.keitel@tikei.de>
Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl>
Acked-by: Greg Kroah-Hartman <gregkh@suse.de>
intel_sst drivers need to #include <linux/delay.h> so that
they build cleanly:
drivers/staging/intel_sst/intelmid_v1_control.c:188: error: implicit declaration of function 'msleep'
drivers/staging/intel_sst/intelmid_v2_control.c:172: error: implicit declaration of function 'msleep'
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Vinod Koul <vinod.koul@intel.com>
Cc: Harsha Priya <priya.harsha@intel.com>
Cc: KP Jeeja <jeeja.kp@intel.com>
Cc: Dharageswari R <dharageswari.r@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch fixes a build error when SND_PCM is not set
by adding a select statment.
Signed-off-by: Peter Foley <pefoley2@verizon.net>
Acked-By: Ben Collins <bcollins@bluecherry.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
vhci_rx/vhci_tx threads are created once but stopped each
time the vdev is shut down. On subsequent attach wake_up_process()
oopses trying to access the stopped threads.
This patch does as before the kthread conversion which is to
create the threads each time a device is attached and stop the
threads when the device is shut down.
Signed-off-by: Max Vozeler <max@hinterhof.net>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Takahiro Hirofuchi <hirofuchi@users.sourceforge.net>
Cc: Arjan Mels <arjan.mels@gmx.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
ft1000-pcmcia uses EXPORT_SYMBOL unnecessarily for sharing symbols
inside the same module. For some reason, this is causing section
conflicts on ia64 as well, even though neither are static.
error: __ksymtab_stop_ft1000_card causes a section type conflict
error: __ksymtab_init_ft1000_card causes a section type conflict
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This patch fixes a number of the following warnings:
warning: "CONFIG_RTS_PSTOR_DEBUG" is not defined
The code uses '#if CONFIG_RTS_PSTOR_DEBUG' when it should be using '#ifdef'
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
There are a few files in the rts_pstor driver that use vmalloc/vfree without
including the header for it.
This patch adds <linux/vmalloc.h> to those files.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The gma500 driver calls set_pages_uc, which is an x86 pageattr call.
Since this driver is only used with Intel x86 motherboard chipsets,
make the driver depend on X86.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The olpc dcon xo1 driver uses udelay() without including <linux/delay.h>.
This patch adds it.
Signed-off-by: Jeff Mahoney <jeffm@suse.com>
Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com>
Cc: Andres Salomon <dilinger@queued.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
The default maximum transmit length for NCM USB frames should be so
that a short packet happens at the end if the device supports a length
greater than the defined maximum. This is achieved by adding 4 bytes
to the maximum length so that the existing logic can fit a short
packet there.
Signed-off-by: Hans Petter Selasky <hselasky@c2i.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
There's a code path in pmcraid that can be reached via device ioctl that
causes all sorts of ugliness, including heap corruption or triggering
the OOM killer due to consecutive allocation of large numbers of pages.
Not especially relevant from a security perspective, since users must
have CAP_SYS_ADMIN to open the character device.
First, the user can call pmcraid_chr_ioctl() with a type
PMCRAID_PASSTHROUGH_IOCTL. A pmcraid_passthrough_ioctl_buffer
is copied in, and the request_size variable is set to
buffer->ioarcb.data_transfer_length, which is an arbitrary 32-bit signed
value provided by the user.
If a negative value is provided here, bad things can happen. For
example, pmcraid_build_passthrough_ioadls() is called with this
request_size, which immediately calls pmcraid_alloc_sglist() with a
negative size. The resulting math on allocating a scatter list can
result in an overflow in the kzalloc() call (if num_elem is 0, the
sglist will be smaller than expected), or if num_elem is unexpectedly
large the subsequent loop will call alloc_pages() repeatedly, a high
number of pages will be allocated and the OOM killer might be invoked.
Prevent this value from being negative in pmcraid_ioctl_passthrough().
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: stable@kernel.org
Cc: Anil Ravindranath <anil_ravindranath@pmc-sierra.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
SCSI uses request_queue->queuedata == NULL as a signal that the queue
is dying. We set this state in the sdev release function. However,
this allows a small window where we release the last reference but
haven't quite got to this stage yet and so something will try to take
a reference in scsi_request_fn and oops. It's very rare, but we had a
report here, so we're pushing this as a bug fix
The actual fix is to set request_queue->queuedata to NULL in
scsi_remove_device() before we drop the reference. This causes
correct automatic rejects from scsi_request_fn as people who hold
additional references try to submit work and prevents anything from
getting a new reference to the sdev that way.
Cc: stable@kernel.org
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
Commit db422318cbca55168cf965f655471dbf8be82433 ([SCSI] scsi_dh:
propagate SCSI device deletion) introduced a regression where the device
reference is not dropped prior to scsi_dh_activate's early return from
the error path.
Signed-off-by: Mike Snitzer <snitzer@redhat.com>
Cc: stable@kernel.org # 2.6.38
Reviewed-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
At two points in handling device ioctls via /dev/mpt2ctl, user-supplied
length values are used to copy data from userspace into heap buffers
without bounds checking, allowing controllable heap corruption and
subsequently privilege escalation.
Additionally, user-supplied values are used to determine the size of a
copy_to_user() as well as the offset into the buffer to be read, with no
bounds checking, allowing users to read arbitrary kernel memory.
Signed-off-by: Dan Rosenberg <drosenberg@vsecurity.com>
Cc: stable@kernel.org
Acked-by: Eric Moore <eric.moore@lsi.com>
Signed-off-by: James Bottomley <James.Bottomley@suse.de>
The firmware is cached during the first successfull call to open() and
released once the network device is unregistered. The driver uses the
cached firmware between open() and unregister_netdev().
So far the firmware is optional : a failure to load the firmware does
not prevent open() to success. It is thus necessary to 1) unregister
all 816x / 810[23] devices and 2) force a driver probe to issue a new
firmware load.
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Fixed-by: Ciprian Docan <docan@eden.rutgers.edu>
Cc: Realtek linux nic maintainers <nic_swsd@realtek.com>
