fix checkpatch ERROR:
return is not a function, parentheses are not required
Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
fix checkpatch error:
ERROR: do not initialise statics to 0 or NULL
Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
The LM80 driver currently does not return errors after I2C access failures.
Add it.
Signed-off-by: Frans Meulenbroeks <fransmeulenbroeks@gmail.com>
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Pull networking changes from David Miller:
"1) icmp6_dst_alloc() returns NULL instead of ERR_PTR() leading to
crashes, particularly during shutdown. Reported by Dave Jones and
fixed by Eric Dumazet.
2) hyperv and wimax/i2400m return NETDEV_TX_BUSY when they have
already freed the SKB, which causes crashes as to the caller this
means requeue the packet. Fixes from Eric Dumazet.
3) usbnet driver doesn't allocate the right amount of headroom on
fresh RX SKBs, fix from Eric Dumazet.
4) Fix regression in ip6_mc_find_dev_rcu(), as an RCU lookup it
abolutely should not take a reference to 'dev', this leads to
leaks. Fix from RonQing Li.
5) Fix netfilter ctnetlink race between delete and timeout expiration.
From Pablo Neira Ayuso.
6) Revert SFQ change which causes regressions, specifically queueing
to tail can lead to unavoidable flow starvation. From Eric
Dumazet.
7) Fix a memory leak and a crash on corrupt firmware files in bnx2x,
from Michal Schmidt."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
netfilter: ctnetlink: fix race between delete and timeout expiration
ipv6: Don't dev_hold(dev) in ip6_mc_find_dev_rcu.
wimax/i2400m: fix erroneous NETDEV_TX_BUSY use
net/hyperv: fix erroneous NETDEV_TX_BUSY use
net/usbnet: reserve headroom on rx skbs
bnx2x: fix memory leak in bnx2x_init_firmware()
bnx2x: fix a crash on corrupt firmware file
sch_sfq: revert dont put new flow at the end of flows
ipv6: fix icmp6_dst_alloc()
A driver start_xmit() method cannot free skb and return NETDEV_TX_BUSY,
since caller is going to reuse freed skb.
In fact netif_tx_stop_queue() / netif_stop_queue() is needed before
returning NETDEV_TX_BUSY or you can trigger a ksoftirqd fatal loop.
In case of memory allocation error, only safe way is to drop the packet
and return NETDEV_TX_OK
Also increments tx_dropped counter
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Inaky Perez-Gonzalez <inaky.perez-gonzalez@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
A driver start_xmit() method cannot free skb and return NETDEV_TX_BUSY,
since caller is going to reuse freed skb.
This is mostly a revert of commit bf769375c (staging: hv: fix the return
status of netvsc_start_xmit())
In fact netif_tx_stop_queue() / netif_stop_queue() is needed before
returning NETDEV_TX_BUSY or you can trigger a ksoftirqd fatal loop.
In case of memory allocation error, only safe way is to drop the packet
and return NETDEV_TX_OK
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Haiyang Zhang <haiyangz@microsoft.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Haiyang Zhang <haiyangz@microsoft.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
network drivers should reserve some headroom on incoming skbs so that we
dont need expensive reallocations, eg forwarding packets in tunnels.
This NET_SKB_PAD padding is done in various helpers, like
__netdev_alloc_skb_ip_align() in this patch, combining NET_SKB_PAD and
NET_IP_ALIGN magic.
Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com>
Cc: Oliver Neukum <oneukum@suse.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Oliver Neukum <oneukum@suse.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
When cycling the interface down and up, bnx2x_init_firmware() knows that
the firmware is already loaded, but nevertheless it allocates certain
arrays anew (init_data, init_ops, init_ops_offsets, iro_arr). The old
arrays are leaked.
Fix the leaks by returning early if the firmware was already loaded.
Because if the firmware is loaded, so are the arrays.
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If the requested firmware is deemed corrupt and then released, reset the
pointer to NULL in order to avoid double-freeing it in
bnx2x_release_firmware() or dereferencing it in bnx2x_init_firmware().
Signed-off-by: Michal Schmidt <mschmidt@redhat.com>
Acked-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Merge patches from Andrew Morton:
"Nine patches - some bug fixes and some MAINTAINERS fiddling."
* emailed from Andrew Morton <akpm@linux-foundation.org>:
drivers/video/backlight/s6e63m0.c: fix corruption storing gamma mode
MAINTAINERS: add entry for exynos mipi display drivers
MAINTAINERS: fix link to Gustavo Padovans tree
MAINTAINERS: add Johan to Bluetooth maintainers
MAINTAINERS: Gustavo has moved
prctl: use CAP_SYS_RESOURCE for PR_SET_MM option
rapidio/tsi721: fix bug in register offset definitions
MAINTAINERS: update ST's Mailing list for SPEAr
memcg: free mem_cgroup by RCU to fix oops
Pull i2c subsystem fixes from Jean Delvare.
* 'i2c-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jdelvare/staging:
i2c-algo-bit: Fix spurious SCL timeouts under heavy load
i2c-core: Comment says "transmitted" but means "received"
Pull drm exynos/intel updates from Dave Airlie:
"Two minor updates from Jesse for Intel SNB fixes, and a few fixes from
Samsung for exynos. The pull req has Alan's commit in it since Intel
based their tree on my tree at that time, but it all seems fine wrt
merging."
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm exynos: use drm_fb_helper_set_par directly
drm/exynos: Fix fb_videomode <-> drm_mode_modeinfo conversion
drm/exynos: fix runtime_pm fimd device state on probe
drm/exynos: use correct 'exynos-drm' name for platform device
drm/i915: support 32 bit BGR formats in sprite planes
drm/i915: fix color order for BGR formats on SNB
drm/gma500: Fix Cedarview boot failures in 3.3-rc
Pull media fixes from Mauro Carvalho Chehab:
"For 4 fixes for 3.3 (all trivial):
- uvc video driver: fixes a division by zero;
- davinci: add module.h to fix compilation;
- smsusb: fix the delivery system setting;
- smsdvb: the get_frontend implementation there is broken.
The smsdvb patch has 127 lines, but it is trivial: instead of
returning a cache of the set_frontend (with is wrong, as it doesn't
have the updated values for the data, and the implementation there is
buggy), it copies the information of the detected DVB parameters from
the smsdvb private structures into the corresponding DVBv5 struct
fields."
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media:
[media] smsdvb: fix get_frontend
[media] smsusb: fix the default delivery system setting
[media] media: davinci: added module.h to resolve unresolved macros
[media] [FOR,v3.3] uvcvideo: Avoid division by 0 in timestamp calculation
Pull target fixes from Nicholas Bellinger:
"This series addresses two recently reported regression bugs related to
legacy SCSI reservation usage in target core, and iscsi-target
reservation conflict handling.
The second patch in particular addresses possible data-corruption with
SCSI reservations that is specific to iscsi-target fabric LUNs with
multiple client writers. Both patches need to go into v3.2 stable
ASAP, and the branch based on the last target-pending/3.3-rc-fixes
HEAD.
Again, thanks to Martin Svec for his help to identify and address this
regression bug with iscsi-target."
* '3.3-urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending:
iscsi-target: Fix reservation conflict -EBUSY response handling bug
target: Fix compatible reservation handling (CRH=1) with legacy RESERVE/RELEASE
strict_strtoul() writes a long but ->gamma_mode only has space to store an
int, so on 64 bit systems we end up scribbling over ->gamma_table_count as
well. I've changed it to use kstrtouint() instead.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Florian Tobias Schandinat <FlorianSchandinat@gmx.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Fix indexed register offset definitions that use decimal (wrong) instead
of hexadecimal (correct) notation for indexing multipliers.
Incorrect definitions do not affect Tsi721 driver in its current default
configuration because it uses only IDB queue 0. Loss of inbound
doorbell functionality should be observed if queue other than 0 is used.
Signed-off-by: Alexandre Bounine <alexandre.bounine@idt.com>
Cc: Matt Porter <mporter@kernel.crashing.org>
Cc: Chul Kim <chul.kim@idt.com>
Cc: <stable@vger.kernel.org> [3.2+]
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
When the system is under heavy load, there can be a significant delay
between the getscl() and time_after() calls inside sclhi(). That delay
may cause the time_after() check to trigger after SCL has gone high,
causing sclhi() to return -ETIMEDOUT.
To fix the problem, double check that SCL is still low after the
timeout has been reached, before deciding to return -ETIMEDOUT.
Signed-off-by: Ville Syrjala <syrjala@sci.fi>
Cc: stable@vger.kernel.org
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Fix that. Also convert this and the related comment to proper commenting
style.
Signed-off-by: Wolfram Sang <w.sang@pengutronix.de>
Signed-off-by: Jean Delvare <khali@linux-fr.org>
* 'exynos-drm-fixes' of git://git.infradead.org/users/kmpark/linux-samsung:
drm exynos: use drm_fb_helper_set_par directly
drm/exynos: Fix fb_videomode <-> drm_mode_modeinfo conversion
drm/exynos: fix runtime_pm fimd device state on probe
drm/exynos: use correct 'exynos-drm' name for platform device
info->fix.visual already is correctly set from drm_fb_helper_fill_fix.
info->fix.line_length is also set from drm_fb_helper_fill_fix,
so drm_fb_helper_set_par directly instead of a custom
exynos_drm_fbdev_set_par.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
The fb_videomode structure stores the front porch and back porch in the
right_margin and left_margin fields respectively. right_margin should
thus be computed with hsync_start - hdisplay, and left_margin with
htotal - hsync_end. The same holds for the vertical direction.
Active Front Sync Back
Region Porch Porch
<-------------------><----------------><-------------><---------------->
//////////////////|
////////////////// |
////////////////// |.................. ..................
_______________
<------ xres -------><- right_margin -><- hsync_len -><- left_margin -->
<---- hdisplay ----->
<------------ hsync_start ------------>
<--------------------- hsync_end -------------------->
<--------------------------------- htotal ----------------------------->
Fix the fb_videomode <-> drm_mode_modeinfo conversion functions
accordingly.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Joonyoung Shim <jy0922.shim@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
A call to pm_runtime_set_active() forces device to be at the active
state and skips calling its runtime suspend/resume callbacks. This
results in a freeze with a new power domain code based on gen_pd. Fimd
driver does all required runtime power management calls, so this
pm_runtime_set_active call is buggy. This patch removes it and corrects
clock management in probe function (clocks are now enabled by
pm_runtime_get_sync() call).
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Currently Exynos DRM driver uses DRIVER_NAME ('exynos') name for the
core platform device. This is confusing, because it doesn't refer to the
function the platform device is performing. This patch renames the
platform device to the 'exynos-drm', which matches the convention for
naming the platform devices. The name used inside DRM subsystem has not
been changed.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Inki Dae <inki.dae@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Pull block fixes from Jens Axboe:
"Been sitting on this for a while, but lets get this out the door.
This fixes various important bugs for 3.3 final, along with a few more
trivial ones. Please pull!"
* 'for-linus' of git://git.kernel.dk/linux-block:
block: fix ioc leak in put_io_context
block, sx8: fix pointer math issue getting fw version
Block: use a freezable workqueue for disk-event polling
drivers/block/DAC960: fix -Wuninitialized warning
drivers/block/DAC960: fix DAC960_V2_IOCTL_Opcode_T -Wenum-compare warning
block: fix __blkdev_get and add_disk race condition
block: Fix setting bio flags in drivers (sd_dif/floppy)
block: Fix NULL pointer dereference in sd_revalidate_disk
block: exit_io_context() should call elevator_exit_icq_fn()
block: simplify ioc_release_fn()
block: replace icq->changed with icq->flags
in the da9052 driver and a bad return value in the tps6524x driver.
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Merge tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator
Pull regulator fixes from Mark Brown:
"Another small batch of driver specific bug fixes, a couple more errors
in the da9052 driver and a bad return value in the tps6524x driver."
* tag 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/broonie/regulator:
regulator: da9052: Ensure the selected voltage falls within the specified range
regulator: Set n_voltages for da9052 regulators
regulator: Fix setting selector in tps6524x set_voltage function
* 'drm-intel-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/keithp/linux:
drm/i915: support 32 bit BGR formats in sprite planes
drm/i915: fix color order for BGR formats on SNB
drm/gma500: Fix Cedarview boot failures in 3.3-rc
Intersil reports that all chips supported by the zl6100 driver require
an interval between chip accesses, even ZL2004 and ZL6105 which were thought
to be safe.
Reported-by: Vivek Gani <vgani@intersil.com>
Cc: stable@vger.kernel.org # 3.2+
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
This patch addresses a iscsi-target specific bug related to reservation conflict
handling in iscsit_handle_scsi_cmd() that has been causing reservation conflicts
to complete and not fail as expected due to incorrect errno checking. The problem
occured with the change to return -EBUSY from transport_generic_cmd_sequencer() ->
transport_generic_allocate_tasks() failures, that broke iscsit_handle_scsi_cmd()
checking for -EINVAL in order to invoke a non GOOD status response.
This was manifesting itself as data corruption with legacy SPC-2 reservations,
but also effects iscsi-target LUNs with SPC-3 persistent reservations.
This bug was originally introduced in lio-core commit:
commit 03e98c9eb9
Author: Nicholas Bellinger <nab@linux-iscsi.org>
Date: Fri Nov 4 02:36:16 2011 -0700
target: Address legacy PYX_TRANSPORT_* return code breakage
Reported-by: Martin Svec <martin.svec@zoner.cz>
Cc: Martin Svec <martin.svec@zoner.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
This patch addresses a bug with target_check_scsi2_reservation_conflict()
return checking in target_scsi2_reservation_[reserve,release]() that was
preventing CRH=1 operation from silently succeeding in the two special
cases defined by SPC-3, and not failing with reservation conflict status
when dealing with legacy RESERVE/RELEASE + active SPC-3 PR logic.
Also explictly set cmd->scsi_status = SAM_STAT_RESERVATION_CONFLICT during
the early non reservation holder failure from pr_ops->t10_seq_non_holder()
check in transport_generic_cmd_sequencer() for fabrics that already expect
it to be set.
This bug was originally introduced in mainline commit:
commit eacac00ce5
Author: Christoph Hellwig <hch@infradead.org>
Date: Thu Nov 3 17:50:40 2011 -0400
target: split core_scsi2_emulate_crh
Reported-by: Martin Svec <martin.svec@zoner.cz>
Cc: Martin Svec <martin.svec@zoner.cz>
Cc: Christoph Hellwig <hch@lst.de>
Cc: stable@vger.kernel.org
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Pull networking changes from David Miller:
"The most important bit here is the TCP syncookies issue, which seems
to have been busted for some time. That fix has been verified in
production by the reporter.
1) Persistent TUN devices erroneously hold on to the network namespace
in such a way that it cannot be shutdown. Fix from Stanislav
Kinsbursky with help from Eric Dumazet.
2) TCP SYN cookies have been broken for a while due to how the route
lookup flow key is managed, connections can be delayed by as much
as 20 seconds due to this bug. Fix from Eric Dumazet.
3) Missing jiffies.h include in lib/dynamic_queue_limits.c can break
the build, from Tom Herbert.
4) Add USB device ID for Sitecom LN-031, from Joerg Neikes.
5) Fix OOPS in delayed workqueue in iwlegacy, from Stanislaw Gruszka.
6) rt2x00 TX queue can be disabled forever due to races, fix by
synchronizing pause/unpause with a lock. Also from Stanislaw
Gruszka.
7) Statistics and endian fix in bnx2x driver from Yuval Mintz, Eilon
Greenstein, and Ariel Elior."
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net:
tun: don't hold network namespace by tun sockets
bnx2x: FCoE statistics id fixed
bnx2x: dcb bit indices flags used as bits
bnx2x: added cpu_to_le16 when preparing ramrod's data
bnx2x: pfc statistics counts pfc events twice
rt2x00: fix random stalls
iwl3945: fix possible il->txq NULL pointer dereference in delayed works
dql: Fix undefined jiffies
tcp: fix syncookie regression
usb: asix: Patch for Sitecom LN-031
Properly set the source of temp2 for the W83627UHG. Also fix a
comment right before that, and document the W83627UHG as reporting up
to 3 temperatures.
Signed-off-by: Jean Delvare <khali@linux-fr.org>
Cc: Guenter Roeck <guenter.roeck@ericsson.com>
Cc: stable@vger.kernel.org
Signed-off-by: Guenter Roeck <guenter.roeck@ericsson.com>
Pull x86 platfrm driver fixes from Matthew Garrett:
"Some trivial patches that fix wifi on some Lenovos and avoid a
potential memory corruption issue on some Panasonics, plus two
straightforward new drivers that touch no existing code."
* 'for_linus' of git://cavan.codon.org.uk/platform-drivers-x86:
panasonic-laptop: avoid overflow in acpi_pcc_hotkey_add()
acer-wmi: No wifi rfkill on Lenovo machines
Fujitsu tablet extras driver
x86: Add amilo-rfkill driver for some Fujitsu-Siemens Amilo laptops
Pull PCI changes from Jesse Barnes:
"A single fix for a regression that affects some people who try to
disable ASPM for whatever reason."
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jbarnes/pci:
PCI: ignore pre-1.1 ASPM quirking when ASPM is disabled
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Merge tag 'sh-for-linus' of git://github.com/pmundt/linux-sh
Pull SuperH fixes from Paul Mundt.
* tag 'sh-for-linus' of git://github.com/pmundt/linux-sh:
sh-sci / PM: Avoid deadlocking runtime PM
sh: fix up the ubc clock definition for sh7785.
sh: add parameter for RSPI in clock-sh7757
sh: Fix sh2a vbr table for more than 255 irqs
v3: added previously removed sock_put() to the tun_release() callback, because
sk_release_kernel() doesn't drop the socket reference.
v2: sk_release_kernel() used for socket release. Dummy tun_release() is
required for sk_release_kernel() ---> sock_release() ---> sock->ops->release()
call.
TUN was designed to destroy it's socket on network namesapce shutdown. But this
will never happen for persistent device, because it's socket holds network
namespace.
This patch removes of holding network namespace by TUN socket and replaces it
by creating socket in init_net and then changing it's net it to desired one. On
shutdown socket is moved back to init_net prior to final put.
Signed-off-by: Stanislav Kinsbursky <skinsbursky@parallels.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
FCoE statistics ids were distinguished from the L2's statistics ids.
However, not all of the change was committed. This causes a possible
collision of indices when FCoE is present.
This patch fixes the issue.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
DCB flags were updated using the flags' bit offsets instead of
the actual bits. This is now fixed.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixed endianess issue when passing arguments to FW.
Signed-off-by: Ariel Elior <ariele@broadcom.com>
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When pfc statistics were counted, the delta change from last count
was summed twice. This fixes the issue.
Signed-off-by: Yuval Mintz <yuvalmin@broadcom.com>
Signed-off-by: Eilon Greenstein <eilong@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver probe function leaked memory if creating the cpu0_vid attribute file
failed. Fix by converting the driver to use devm_kzalloc.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 2.6.32+
Acked-by: Jean Delvare <khali@linux-fr.org>
Is possible that we stop queue and then do not wake up it again,
especially when packets are transmitted fast. That can be easily
reproduced with modified tx queue entry_num to some small value e.g. 16.
If mac80211 already hold local->queue_stop_reason_lock, then we can wait
on that lock in both rt2x00queue_pause_queue() and
rt2x00queue_unpause_queue(). After drooping ->queue_stop_reason_lock
is possible that __ieee80211_wake_queue() will be performed before
__ieee80211_stop_queue(), hence we stop queue and newer wake up it
again.
Another race condition is possible when between rt2x00queue_threshold()
check and rt2x00queue_pause_queue() we will process all pending tx
buffers on different cpu. This might happen if for example interrupt
will be triggered on cpu performing rt2x00mac_tx().
To prevent race conditions serialize pause/unpause by queue->tx_lock.
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Acked-by: Gertjan van Wingerde <gwingerde@gmail.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
On il3945_down procedure we free tx queue data and nullify il->txq
pointer. After that we drop mutex and then cancel delayed works. There
is possibility, that after drooping mutex and before the cancel, some
delayed work will start and crash while trying to send commands to
the device. For example, here is reported crash in
il3945_bg_reg_txpower_periodic():
https://bugzilla.kernel.org/show_bug.cgi?id=42766#c10
Patch fix problem by adding il->txq check on works that send commands,
hence utilize tx queue.
Reported-by: Clemens Eisserer <linuxhippy@gmail.com>
Cc: stable@vger.kernel.org
Signed-off-by: Stanislaw Gruszka <sgruszka@redhat.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
NCT6775F and NCT6776F have their own set of registers for FAN_STOP_TIME. The
correct registers were used to read FAN_STOP_TIME, but writes used the wrong
registers. Fix it.
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
Cc: stable@vger.kernel.org # 3.0+
Acked-by: Jean Delvare <khali@linux-fr.org>
num_sifr could go negative since acpi_pcc_get_sqty() returns -EINVAL
on error. Then it could bypass the sanity check (num_sifr > 255).
The subsequent call to kzalloc() would allocate a small buffer, leading
to a memory corruption.
Signed-off-by: Xi Wang <xi.wang@gmail.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
We have several reports which says acer-wmi is loaded on ideapads
and register rfkill for wifi which can not be unblocked.
Since ideapad-laptop also register rfkill for wifi and it works
reliably, it will be fine acer-wmi is not going to register rfkill
for wifi once VPC2004 is found.
Also put IBM0068/LEN0068 in the list. Though thinkpad_acpi has no
wifi rfkill capability, there are reports which says acer-wmi also
block wireless on Thinkpad E520/E420.
Signed-off-by: Ike Panhc <ike.pan@canonical.com>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This patch adds support for some of the devices within a wide variety
of Fujitsu Tablet Computers, both convertibles and slates. Primarily
it allows for the automatic detection of the tablet/notebook mode for
convertible tablet pc's, and orientation for docked slates. It also
adds support for the application panel buttons usually found next to
the tablet screen, and docking station detection for slates.
Signed-off-by: Robert Gerlach <khnz@gmx.de>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
An rfkill driver based on the fsaa1655g and fsam7440 drivers for
Fujitsu-Siemens Amilo A1655 and M7440 models found at:
http://sourceforge.net/projects/fsaa1655g/http://sourceforge.net/projects/fsam7440/
This adds DMI matching, replaces the procfs files with rfkill devices,
and uses the proper functions to write to the i8042 safely.
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
Signed-off-by: Matthew Garrett <mjg@redhat.com>
This patch adds support for the Sitecom LN-031 USB adapter with a AX88178 chip.
Added USB id to find correct driver for AX88178 1000 Ethernet adapter.
Signed-off-by: Joerg Neikes <j.neikes@midlandgate.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
Frans Meulenbroeks