The ->tc_cfg[] array has QLC_DCB_MAX_TC (8) elements so the check is
off by one. These functions are always called with valid values though
so it doesn't affect how the code works.
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
RTT may be bogus with tall loss probe (TLP) when a packet
is retransmitted and latter (s)acked without TCPCB_SACKED_RETRANS flag.
For example, TLP calls __tcp_retransmit_skb() instead of
tcp_retransmit_skb(). The skb timestamps are updated but the sacked
flag is not marked with TCPCB_SACKED_RETRANS. As a result we'll
get bogus RTT in tcp_clean_rtx_queue() or in tcp_sacktag_one() on
spurious retransmission.
The fix is to apply the sticky flag TCP_EVER_RETRANS to enforce Karn's
check on RTT sampling. However this will disable F-RTO if timeout occurs
after TLP, by resetting undo_marker in tcp_enter_loss(). We relax this
check to only if any pending retransmists are still in-flight.
Signed-off-by: Yuchung Cheng <ycheng@google.com>
Acked-by: Eric Dumazet <edumazet@google.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Acked-by: Nandita Dukkipati <nanditad@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This is a sanity check and we never pass invalid values so this patch
doesn't change anything. However the node->time_in[] array has
HSR_MAX_SLAVE (2) elements and not HSR_MAX_DEV (3).
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull scheduler fixes from Ingo Molnar:
"Misc fixes, most of them SCHED_DEADLINE fallout"
* 'sched-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
sched/deadline: Prevent rt_time growth to infinity
sched/deadline: Switch CPU's presence test order
sched/deadline: Cleanup RT leftovers from {inc/dec}_dl_migration
sched: Fix double normalization of vruntime
Pull liblockdep fixes from Ingo Molnar:
"A handful of build fixes for liblockdep"
* 'core-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
tools/liblockdep: Use realpath for srctree and objtree
tools/liblockdep: Add a stub for new rcu_is_watching
tools/liblockdep: Mark runtests.sh as executable
tools/liblockdep: Add include directory to allow tests to compile
tools/liblockdep: Fix include of asm/hash.h
tools/liblockdep: Fix initialization code path
regressions. There is a single framework fix that prevents dereferencing
a NULL pointer when calling clk_get. The range of fixes for clock driver
regressions spans memory leak fixes, touching the wrong registers that
cause things to explode, misconfigured clock rates that result in
non-responsive devices and even some boot failures. The most benign fix
is DT binding doc typo. It is a stable ABI exposed from the kernel that
was introduced in -rc1, so best to fix it now.
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Merge tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux
Pull clk framework fixes from Mike Turquette:
"Clock framework and driver fixes, all of which fix user-visible
regressions.
There is a single framework fix that prevents dereferencing a NULL
pointer when calling clk_get. The range of fixes for clock driver
regressions spans memory leak fixes, touching the wrong registers that
cause things to explode, misconfigured clock rates that result in
non-responsive devices and even some boot failures. The most benign
fix is DT binding doc typo. It is a stable ABI exposed from the
kernel that was introduced in -rc1, so best to fix it now"
* tag 'clk-fixes-for-linus' of git://git.linaro.org/people/mike.turquette/linux: (25 commits)
clk:at91: Fix memory leak in of_at91_clk_master_setup()
clk: nomadik: fix multiplatform problem
clk: Correct handling of NULL clk in __clk_{get, put}
clk: shmobile: Fix typo in MSTP clock DT bindings
clk: shmobile: rcar-gen2: Fix qspi divisor
clk: shmobile: rcar-gen2: Fix clock parent for all non-PLL clocks
clk: tegra124: remove gr2d and gr3d clocks
clk: tegra: Fix vic03 mux index
clk: shmobile: rcar-gen2: Fix qspi divisor
clk: shmobile: rcar-gen2: Fix clock parent all non-PLL clocks
clk: tegra: use max divider if divider overflows
clk: tegra: cclk_lp has a pllx/2 divider
clk: tegra: fix sdmmc clks on Tegra1x4
clk: tegra: fix host1x clock on Tegra124
clk: tegra: PLLD2 fixes for hdmi
clk: tegra: Fix PLLD mnp table
clk: tegra: Fix PLLP rate table
clk: tegra: Correct clock number for UARTE
clk: tegra: Add missing Tegra20 fuse clks
ARM: keystone: dts: fix clkvcp3 control register address
...
The kfifo_put() API changed in 498d319bb5 (kfifo API type safety)
which now results in the wrong pointer being added to the kfifo ring,
which then causes an oops. Fix this.
Cc: <stable@vger.kernel.org> # 3.13
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Single-link DVI max dotclock is 165MHz. Filter out modes with higher
dotclock when the monitor doesn't support HDMI.
Modes higher than 165 MHz were allowed in
commit 7d148ef51a
Author: Daniel Vetter <daniel.vetter@ffwll.ch>
Date: Mon Jul 22 18:02:39 2013 +0200
drm/i915: fix hdmi portclock limits
Also don't attempt to use 12bpc mode with DVI monitors.
Cc: Adam Nielsen <a.nielsen@shikadi.net>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75345
Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=70331
Tested-by: Ralf Jung <post+kernel@ralfj.de>
Cc: stable@vger.kernel.org
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
We need to read the correct register, not a register that doesn't exist
and will trigger "Unclaimed register" messages when we touch it.
Also rearrange the checks in an attempt to prevent this error from
happening again.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
[Jani: dropped an extra empty line introduced.]
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
We reserve the space for the power context in stolen memory at a fixed
address from a delayed work. This races with the subsequent driver
init/resume code which could allocate something at that address, so the
reservation for the power context fails. Reserve the space up-front, so
this can't happen. This also adds a missing struct_mutex lock around the
stolen allocation, which wasn't taken in the delayed work path.
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Cc: stable@vger.kernel.org
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This patch does a cleanup about the thermal zone govenor,
setting and make the following rule.
1. For thermal zone devices that are registered w/o tz->tzp,
they can use the default thermal governor only.
2. For thermal zone devices w/ governor name specified in
tz->tzp->governor_name, we will use the default govenor
if the governor specified is not available at the moment,
and update tz->governor when the matched governor is registered.
This also fixes a problem that OF registered thermal zones
are running with no governor.
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Acked-by: Javi Merino <javi.merino@arm.com>
In initialization, if the cooling device is initialized at
max cooling state, and the thermal zone temperature is below
the first trip point, then the cooling state can't be updated
to the right state, untill the first trip point be triggered.
To fix this issue, allow first update of cooling device state
during registration, initialized "updated" device field as
"false" (instead of "true").
Signed-off-by: Wei Ni <wni@nvidia.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
Commit beeb5a1e (thermal: rcar-thermal: Enable driver compilation with COMPILE_TEST)
broke build on archs wihout io memory.
On archs like S390 or um this driver cannot build nor work.
Make it depend on HAS_IOMEM to bypass build failures.
drivers/thermal/rcar_thermal.c:404: undefined reference to `devm_ioremap_resource'
drivers/thermal/rcar_thermal.c:426: undefined reference to `devm_ioremap_resource'
Signed-off-by: Richard Weinberger <richard@nod.at>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
The thermal zone type should not include an instance number. Otherwise
each zone is considered a different type and the thermal-to-hwmon
bridge fails to group them all in a single hwmon device.
I also changed the type to "x86_pkg_temp", because "pkg" was too
generic, and other thermal drivers use an underscore, not a dash, as
a separator. Or maybe "cpu_pkg_temp" would be better?
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <eduardo.valentin@ti.com>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
The temperature value reported by x86_pkg_temp_thermal is already
reported by the coretemp driver. So, do not expose this thermal zone
as a hwmon device, because it would be redundant.
Signed-off-by: Jean Delvare <jdelvare@suse.de>
Cc: Zhang Rui <rui.zhang@intel.com>
Cc: Eduardo Valentin <eduardo.valentin@ti.com>
Acked-by: Guenter Roeck <linux@roeck-us.net>
Signed-off-by: Zhang Rui <rui.zhang@intel.com>
arch/arm/xen/enlighten.c (and maybe others) use MMU-specific functions
like pte_mkspecial which are only available on MMU builds. So let XEN
depend on MMU.
Suggested-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Acked-by: Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
In commit e2d265d3b5 (canfd: add support for CAN FD in CAN_RAW sockets)
CAN FD frames with a payload length up to 8 byte are passed to legacy
sockets where the CAN FD support was not enabled by the application.
After some discussions with developers at a fair this well meant feature
leads to confusion as no clean switch for CAN / CAN FD is provided to the
application programmer. Additionally a compatibility like this for legacy
CAN_RAW sockets requires some compatibility handling for the sending, e.g.
make CAN2.0 frames a CAN FD frame with BRS at transmission time (?!?).
This will become a mess when people start to develop applications with
real CAN FD hardware. This patch reverts the bad compatibility code
together with the documentation describing the removed feature.
Acked-by: Stephane Grosjean <s.grosjean@peak-system.com>
Signed-off-by: Oliver Hartkopp <socketcan@hartkopp.net>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch adds the missing netif_napi_del() to the flexcan_remove() function.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch factors out freeze and unfreeze of the CAN core into seperate
functions. Experiments have shown that the transition from and to freeze mode
may take several microseconds, especially the time entering the freeze mode
depends on the current bitrate.
This patch adds a while loop which polls the Freeze Mode ACK bit (FRZ_ACK) that
indicates a successfull mode change. If the function runs into a timeout a
error value is returned.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
This patch moves the transceiver enable and disable into seperate functions,
where the NULL pointer check is hidden.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
In flexcan_chip_enable() and flexcan_chip_disable() fixed delays are used.
Experiments have shown that the transition from and to low power mode may take
several microseconds.
This patch adds a while loop which polls the Low Power Mode ACK bit (LPM_ACK)
that indicates a successfull mode change. If the function runs into a timeout a
error value is returned.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
If flexcan_chip_start() in flexcan_open() fails, the interrupt is not freed,
this patch adds the missing cleanup.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
When shutting down the CAN interface (ifconfig canX down) during high CAN bus
loads, the CAN core might hang and freeze the whole CPU.
This patch fixes the shutdown sequence by first disabling the CAN core then
disabling all interrupts.
Cc: linux-stable <stable@vger.kernel.org>
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
There is a conflict seen when requesting the kernel to reserve
the physical space used for the stolen area. This is because
some BIOS are wrapping the stolen area in the root PCI bus, but have
an off-by-one error. As a workaround we retry the reservation with an
offset of 1 instead of 0.
v2: updated commit message & the comment in source file (Daniel)
Signed-off-by: Akash Goel <akash.goel@intel.com>
Reviewed-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Tested-by: Arjan van de Ven <arjan@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
i915gm and i945gm also seem to use and need the legacy combination mode
bit in BLC_PWM_CTL.
v2: Also do this for i915gm (Ville).
Reported-and-tested-by: Luis Ortega <luiorpe1@gmail.com>
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=75001
Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
The 'ath79_spi_setup_cs' function initializes the chip
select line of a given SPI device in order to make sure
that the device is inactive.
If the SPI_CS_HIGH bit is set for a given device, it
means that the CS line of that device is active HIGH
so it must be set to LOW initially. In case of GPIO
CS lines, the 'ath79_spi_setup_cs' function does the
opposite of that due to the wrong GPIO flags.
Fix the code to use the correct GPIO flags.
Reported-by: Ronald Wahl <ronald.wahl@raritan.com>
Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
Cc: stable@vger.kernel.org
The clean-up in commit 36281caa83 ended up removing a NULL pointer check
that is needed in order to prevent an Oops in
nfs_async_inode_return_delegation().
Reported-by: "Yan, Zheng" <zheng.z.yan@intel.com>
Link: http://lkml.kernel.org/r/5313E9F6.2020405@intel.com
Fixes: 36281caa83 (NFSv4: Further clean-ups of delegation stateid validation)
Cc: stable@vger.kernel.org # 3.4+
Signed-off-by: Trond Myklebust <trond.myklebust@primarydata.com>
Add the USB device ID for the D-Link DUB-1312 USB 3.0 to Gigabit Ethernet
Adapter to the AX88179/178A driver.
Signed-off-by: Gerry Demaret <gerry@tigron.be>
Signed-off-by: David S. Miller <davem@davemloft.net>
Without this patch b44_check_phy() was called when the phy called the
adjust callback. This method only change the mac duplex mode when the
carrier was off. When the phy changed the duplex mode after the carrier
was on the mac was not changed. This happened when an external phy was
used.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When support for external phys was added to b44, the calls to start and
stop the phy were missing in the mac driver. This adds the calls to
phy_start() and phy_stop().
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Pull drm fixes from Dave Airlie:
"Not a huge amount happening, some MAINTAINERS updates, radeon, vmwgfx
and tegra fixes"
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux:
drm/vmwgfx: avoid null pointer dereference at failure paths
drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
drm/vmwgfx: Remove some unused surface formats
drm/radeon: enable speaker allocation setup on dce3.2
drm/radeon: change audio enable logic
drm/radeon: fix audio disable on dce6+
drm/radeon: free uvd ring on unload
drm/radeon: disable pll sharing for DP on DCE4.1
drm/radeon: fix missing bo reservation
drm/radeon: print the supported atpx function mask
MAINTAINERS: update drm git tree entry
MAINTAINERS: add entry for drm radeon driver
drm/tegra: Add guard to avoid double disable/enable of RGB outputs
gpu: host1x: do not check previously handled gathers
drm/tegra: fix typo 'CONFIG_TEGRA_DRM_FBDEV'
Sleep control and status registers need santity checks as well before
ACPI installs acpi_power_off to pm_power_off hook. The checking code in
acpi_enter_sleep_state() is too late, we should not allow a not-working
pm_power_off function to be hooked up.
Signed-off-by: Aubrey Li <aubrey.li@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Here are 2 USB patches for 3.14-rc5, one a new device id, and the other
fixes a reported problem with threaded irqs and the USB EHCI driver.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb
Pull USB fixes from Greg KH:
"Here are 2 USB patches for 3.14-rc5, one a new device id, and the
other fixes a reported problem with threaded irqs and the USB EHCI
driver"
* tag 'usb-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb:
usb: ehci: fix deadlock when threadirqs option is used
USB: ftdi_sio: add Cressi Leonardo PID
Here is a single sysfs fix for 3.14-rc5. It fixes a reported problem
with the namespace code in sysfs.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core
Pull sysfs fix from Greg KH:
"Here is a single sysfs fix for 3.14-rc5. It fixes a reported problem
with the namespace code in sysfs"
* tag 'driver-core-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core:
sysfs: fix namespace refcnt leak
Here are a few IIO fixes, and a new device id for a staging driver for
3.14-rc5. All have been in linux-next for a while, I did a final merge
to get the IIO fixes into this tree, they were incorrectly in the
char-misc tree for a few weeks, and I forgot to tell you to pull them
from there. This makes it a single pull request for you.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Merge tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fixes from Greg KH:
"Here are a few IIO fixes, and a new device id for a staging driver for
3.14-rc5. All have been in linux-next for a while, I did a final
merge to get the IIO fixes into this tree, they were incorrectly in
the char-misc tree for a few weeks, and I forgot to tell you to pull
them from there. This makes it a single pull request for you"
* tag 'staging-3.14-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: r8188eu: Add new device ID
staging:iio:adc:MXS:LRADC: fix touchscreen statemachine
iio:gyro: bug on L3GD20H gyroscope support
iio: cm32181: Change cm32181 ambient light sensor driver
iio: cm36651: Fix read/write integration time function.
more radeon fixes
* 'drm-fixes-3.14' of git://people.freedesktop.org/~agd5f/linux:
drm/radeon: enable speaker allocation setup on dce3.2
drm/radeon: change audio enable logic
drm/radeon: fix audio disable on dce6+
drm/radeon: free uvd ring on unload
drm/radeon: disable pll sharing for DP on DCE4.1
drm/radeon: fix missing bo reservation
drm/radeon: print the supported atpx function mask
Pull perf fixes from Ingo Molnar:
"Misc fixes, most of them on the tooling side"
* 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
perf tools: Fix strict alias issue for find_first_bit
perf tools: fix BFD detection on opensuse
perf: Fix hotplug splat
perf/x86: Fix event scheduling
perf symbols: Destroy unused symsrcs
perf annotate: Check availability of annotate when processing samples
A couple of minor fixes.
Pull request of 2014-03-02
* tag 'vmwgfx-fixes-3.14-2014-03-02' of git://people.freedesktop.org/~thomash/linux:
drm/vmwgfx: avoid null pointer dereference at failure paths
drm/vmwgfx: Make sure backing mobs are cleared when allocated. Update driver date.
drm/vmwgfx: Remove some unused surface formats
vmw_takedown_otable_base() and vmw_mob_unbind() check for
potential vmw_fifo_reserve() failure and print error message,
but then immediately dereference NULL pointer.
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Reviewed-by: Thomas Hellstrom <thellstrom@vmware.com>
Backing mob contents is propagated to user-space, so make sure backing
mobs are cleared when allocated. This also accidently fix rendering errors
with celestia when emulating legacy mode.
Also update driver date.
Signed-off-by: Thomas Hellstrom <thellstrom@vmware.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
Dan Carpenter
Yuchung Cheng
John W. Linville
Linus Torvalds
Russell King
Ville Syrjälä
Paulo Zanoni
Imre Deak
Mike Galbraith
Zhang Rui
Ni Wade
Richard Weinberger
Jean Delvare
Uwe Kleine-König
Oliver Hartkopp
Marc Kleine-Budde
Akash Goel
Jani Nikula
Marius Knaust
Gabor Juhos
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Hauke Mehrtens
Li, Aubrey
Dave Airlie
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Marek Belisko
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