gcc-5.0 warns about a potential uninitialized variable use in nfsd:
fs/nfsd/nfs4state.c: In function 'nfsd4_process_open2':
fs/nfsd/nfs4state.c:3781:3: warning: 'old_deny_bmap' may be used uninitialized in this function [-Wmaybe-uninitialized]
reset_union_bmap_deny(old_deny_bmap, stp);
^
fs/nfsd/nfs4state.c:3760:16: note: 'old_deny_bmap' was declared here
unsigned char old_deny_bmap;
^
This is a false positive, the code path that is warned about cannot
actually be reached.
This adds an initialization for the variable to make the warning go
away.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Whether or not a file system supports acls can be determined with
IS_POSIXACL(inode) and does not require trying to fetch any acls; the code for
computing the supported_attrs and aclsupport attributes can be simplified.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
NFSv2 can set the atime and/or mtime of a file to specific timestamps but not
to the server's current time. To implement the equivalent of utimes("file",
NULL), it uses a heuristic.
NFSv3 and later do support setting the atime and/or mtime to the server's
current time directly. The NFSv2 heuristic is still enabled, and causes
timestamps to be set wrong sometimes.
Fix this by moving the heuristic into the NFSv2 specific code. We can leave it
out of the create code path: the owner can always set timestamps arbitrarily,
and the workaround would never trigger.
Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Merge "Documentation: bindings: Add DT bindings for ARM Juno boards" from Liviu Dudau:
* 'for-upstream/juno-dts' of git://linux-arm.org/linux-ld:
Documentation: bindings: Add DT bindings for ARM Juno boards.
arm64: Add DT support for Juno r1 board.
arm64: Juno: Add GICv2m support in device tree.
arm64: Juno: Add memory mapped timer node
arm64: Juno: Split juno.dts into juno-base.dtsi and juno.dts.
arm64: Juno: Fix the GIC node address label and the frequency of FAXI clock.
Each CCI model have different event/source codes and formats. This
patch exports this information via the sysfs, which includes the
aliases for the events. The aliases are listed by 'perf list', helping
the users to specify the name of the event instead of the binary
config values.
Each event alias must accompany the 'source' code except for the
following cases :
1) CCI-400 - cycles event, doesn't relate to an interface.
2) CCI-500 - Global events to the CCI. (Fixed source code = 0xf)
Each CCI model provides two sets of attributes(format and event),
which are dynamically populated before registering the PMU, to
allow for the appropriate information.
Cc: Punit Agrawal <punit.agrawal@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
CCI-500 provides 8 event counters which can count any of the
supported events independently. The PMU event id is a 9-bit
value made of two parts.
bits [8:5] - Source port
0x0-0x6 Slave Ports
0x8-0xD Master Ports
0xf Global Events to CCI
0x7,0xe Reserved
bits [0:4] - Event code (specific to each type of port)
The generic CCI-500 controlling interface remains the same with CCI-400.
However there are some differences in the PMU event counters.
- No cycle counter
- Upto 8 counters(4 in CCI-400)
- Each counter area is 64K(4K in CCI400)
- The counter0 starts at offset 0x10000 from the base of CCI
Cc: Punit Agrawal <punit.agrawal@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: devicetree@vger.kernel.org
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Rename CCI400 specific defintions from CCI_xxx to CCI400_xxx.
Introduce generic ARM_CCI_PMU to cover common code for handling
the CCI PMU.
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Cc: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Given that each CCI has different set of interfaces and
its associated events, it is good to abstract the validation of the
event codes to make it easier to add support for a new CCI model.
This patch also abstracts the mapping of a given event to a counter,
as there are some special counters for certain specific events.
We assume that the fixed hardware counters are always at the beginning,
so that we can use cci_model->fixed_hw_events as an upper bound to given
idx to check if we need to program the counter for an event.
Cc: Punit Agrawal <punit.agrawal@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Adds the PMU model specific counters to the PMU model
abstraction to make it easier to add a new PMU.
The patch cleans up the naming convention used all over
the code.
e.g, CCI_PMU_MAX_HW_EVENTS => maximum number of events that
can be counted at any time, which is in fact the maximum
number of counters available.
Change all such namings to use 'counters' instead of events.
This patch also abstracts the following:
1) Size of a PMU event counter area.
2) Maximum number of programmable counters supported by the PMU model
3) Number of counters which counts fixed events (e.g, cycle
counter on CCI-400).
Also changes some of the static allocation of the data
structures to dynamic, to accommodate the number of events
supported by a PMU.
Gets rid ofthe CCI_PMU_* defines for the model. All such
data should be accessed via the model abstraction.
Limits the number of counters to the maximum supported
by the 'model'.
Cc: Punit Agrawal <punit.agrawal@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This patch gets rid of the global struct cci_pmu variable and makes
the code use the cci_pmu explicitly. Makes code a bit more robust
and reader friendly.
Cc: Punit Agrawal <punit.agrawal@arm.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Will Deacon <will.deacon@arm.com>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Acked-by: Punit Agrawal <punit.agrawal@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Do not enable CCI-400 PMU by default and fix the dependency on PERF_EVENTS
than HW_PERF_EVENTS.
Reported-by: Russell King <rmk+kernel@arm.linux.org.uk>
Cc: Will Deacon <will.deacon@arm.com>
Cc: arm@kernel.org
Cc: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Suzuki K. Poulose <suzuki.poulose@arm.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
This could lead userspace initram images getting
built without necessary firmware files included
leading to probing failures of ath10k on boot with
QCA61X4.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
This patch fix a spelling typo found in libata.xml.
It is because libata.xml is generated from comments
in source, I have to fix it in libata-core.c
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
In some cases some channel survey data was
reported incorrect.
Channel info events were expected to come in pairs
without and with COMPLETE flag set respectively
for each channel visit during scan.
The known deviation from this is rule for last
scan chan info and first (next) scan chan info
both have COMPLETE flag set. This was either
programmed with the intent of providing BSS cycle
count info or this is an artefact of firmware scan
state machine. Either way this is useless due to
short wraparound time, wraparound quirks and no
overflow notification.
Survey dumps now include only data gathered during
scan channel visits that can be computed
correctly.
This should improve hostapd ACS a little bit.
Reported-by: Srinivasa Duvvuri <sduvvuri@chromium.org>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
When QCA988X cycle counter HW register wraps
around it resets to 0x7fffffff instead of 0. All
other cycle counter related registers are divided
by 2 so they never wraparound themselves. QCA61X4
has a uniform CC and it wraparounds in a regular
fashion though.
Worst case wraparound time is approx 24 seconds
(2**31 / 88MHz). Since scan channel visit times
are max 5 seconds (offchannel case) it is
guaranteed there's been at most 1 wraparound and
it is possible to compute survey active time
value. It is, however, impossible to determine the
point at which Rx Clear Count has been divided by
two so it is not reported upon wraparound.
This fixes some occasional incorrect survey data
on QCA988X as some channels (depending on how/when
scan/offchannel requests were requested) would
have approx 24 sec active time which wasn't
actually the case.
This should improve hostapd ACS a little bit.
Reported-by: Srinivasa Duvvuri <sduvvuri@chromium.org>
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
The macro isn't WMI specific. Instead it is
related to hardware chip so move the macro
accordingly. While at it document the magic value.
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Kalle Valo <kvalo@qca.qualcomm.com>
There is no sysfs_group_remove() on failure path in lenovo_probe_tpkbd().
Found by Linux Driver Verification project (linuxtesting.org).
Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Merge cleanups from Russell King:
* 'for-arm-soc' of git://ftp.arm.linux.org.uk/~rmk/linux-arm:
ARM: Show proper respect for Heinrich Hertz by using the correct unit for frequency
My static checker detected double free_irq() in pm860x_charger_remove().
Unloading this module always causes a warning. This patch removes the
first redundant free_irq() call.
Signed-off-by: Takeshi Yoshimura <yos@sslab.ics.keio.ac.jp>
Signed-off-by: Sebastian Reichel <sre@kernel.org>
tj: dropped iff -> if, iff is if and only if not a typo. Spotted by
Randy Dunlap.
Signed-off-by: Shailendra Verma <shailendra.capricorn@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Cc: Randy Dunlap <rdunlap@infradead.org>
Recent header file changes for cgroup caused lots of warnings
about a missing struct seq_file form declaration for every
inclusion of include/linux/cgroup-defs.h.
As some files are built with -Werror, this leads to build
failure like:
from /git/arm-soc/drivers/gpu/drm/tilcdc/tilcdc_crtc.c:18:
/git/arm-soc/include/linux/cgroup-defs.h:354:25: error: 'struct seq_file' declared inside parameter list [-Werror]
cc1: all warnings being treated as errors
make[6]: *** [drivers/gpu/drm/tilcdc/tilcdc_crtc.o] Error 1
This patch adds the declaration, which resolves both the
warnings and the drm failure.
tj: Moved it where other type declarations are.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Fixes: b4a04ab7a3 ("cgroup: separate out include/linux/cgroup-defs.h")
Signed-off-by: Tejun Heo <tj@kernel.org>
* Only select sound drivers that build
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=nfP3
-----END PGP SIGNATURE-----
Merge tag 'renesas-soc-for-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/soc
Merge "Renesas ARM Based SoC Updates for v4.2" from Simon Horman:
* Only select sound drivers that build
* tag 'renesas-soc-for-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: only select sound drivers that build
Remove the generic 8250 config option so that the LPC18xx
specific option gets picked instead.
Signed-off-by: Joachim Eastwood <manabian@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Since commit 100832abf0 ("usb: isp1760: Make HCD support
optional"), CONFIG_USB_ISP1760_HCD is automatically selected when
needed. Enabling that option in the defconfig is now a no-op, and no
longer enables ISP1760 HCD support.
Re-enable the ISP1760 driver in the defconfig by enabling
USB_ISP1760_HOST_ROLE instead.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
It includes a couple of fixes for i.MX6 GPC code to let the new kernel
be able to boot with old DTBs:
- Booting v4.1-rc kernel with old DTBs will fail with a fat warning
(require low-level debug to be seen), due to the adoption of stacked
IRQ domain. The first fix improves the situation by allowing kernel
boot up with old DTBs, although suspend/resume still breaks.
- Booting new kernel with old DTBs that do not have power-domain info
will result in a hang. The second patch fixes the hang by skipping
the kernel power-domain registration if DTB has no power-domain info.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1
iQEcBAABAgAGBQJVZalkAAoJEFBXWFqHsHzOk7YH/iQwidJWob015NvrsqUvQlDb
+dIFmUJNFpGqbkLjINDJv0p13lfksuCQ29F/b0R86+sWsRVS/JUKRkVZ1qh83lc9
8ywiTDUqJBEUApwTaVDDqWr6bbYYHC9TdZ/MqJ85hnF2PnwjBS1Vuv+WQuQe/8ru
7LuTzWyqce8u/cYi/0Zs0Vrtmsz5pjhh7Xg1iWXtamJ43v+yqDP/OwZ5BdSkT+P4
J7WWAojVz4iVG4ftNSdJ1CqGuaFP4iMg+HUoS4ecEsyhe6CMdDoq+I2Fuf1aZweS
6clSe/X2HCi7Gspv9oELsNVEci6AfFR/0Ut6LgvSya8AjxZgdu3cmbdDtbPSQ+o=
=dMJE
-----END PGP SIGNATURE-----
Merge tag 'imx-fixes-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux into fixes
Merge "The i.MX fixes for 4.1, 3rd round" from Shawn Guo:
It includes a couple of fixes for i.MX6 GPC code to let the new kernel
be able to boot with old DTBs:
- Booting v4.1-rc kernel with old DTBs will fail with a fat warning
(require low-level debug to be seen), due to the adoption of stacked
IRQ domain. The first fix improves the situation by allowing kernel
boot up with old DTBs, although suspend/resume still breaks.
- Booting new kernel with old DTBs that do not have power-domain info
will result in a hang. The second patch fixes the hang by skipping
the kernel power-domain registration if DTB has no power-domain info.
* tag 'imx-fixes-4.1-3' of git://git.kernel.org/pub/scm/linux/kernel/git/shawnguo/linux:
ARM: imx6: gpc: don't register power domain if DT data is missing
ARM: imx6: allow booting with old DT
- Set display clock correctly for exynos4412-trats2
: fix the following error
exynos-drm: No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.11 (GNU/Linux)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=U0hO
-----END PGP SIGNATURE-----
Merge tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes
Merge "Samsung fix for v4.1" from Kukjin Kim:
- Set display clock correctly for exynos4412-trats2
: fix the following error
exynos-drm: No connectors reported connected with modes
[drm] Cannot find any crtc or sizes - going 1024x768
* tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
ARM: dts: set display clock correctly for exynos4412-trats2
snd_kctl_jack_new() tries to assign a unique index number when a name
string that has been already registered is passed. However, it checks
with the base string without "Jack" suffix, so it never hits.
Fix the call with the properly processed name string instead.
Fixes: b8dd086674 'ALSA: Jack: handle jack embedded kcontrol creating within ctljack')
Signed-off-by: Takashi Iwai <tiwai@suse.de>
Initialize kvmclock base, on kvmclock system MSR write time,
so that the guest sees kvmclock counting from zero.
This matches baremetal behaviour when kvmclock in guest
sets sched clock stable.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
[Remove unnecessary comment. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
If you try to enable NOHZ_FULL on a guest today, you'll get
the following error when the guest tries to deactivate the
scheduler tick:
WARNING: CPU: 3 PID: 2182 at kernel/time/tick-sched.c:192 can_stop_full_tick+0xb9/0x290()
NO_HZ FULL will not work with unstable sched clock
CPU: 3 PID: 2182 Comm: kworker/3:1 Not tainted 4.0.0-10545-gb9bb6fb #204
Hardware name: Bochs Bochs, BIOS Bochs 01/01/2011
Workqueue: events flush_to_ldisc
ffffffff8162a0c7 ffff88011f583e88 ffffffff814e6ba0 0000000000000002
ffff88011f583ed8 ffff88011f583ec8 ffffffff8104d095 ffff88011f583eb8
0000000000000000 0000000000000003 0000000000000001 0000000000000001
Call Trace:
<IRQ> [<ffffffff814e6ba0>] dump_stack+0x4f/0x7b
[<ffffffff8104d095>] warn_slowpath_common+0x85/0xc0
[<ffffffff8104d146>] warn_slowpath_fmt+0x46/0x50
[<ffffffff810bd2a9>] can_stop_full_tick+0xb9/0x290
[<ffffffff810bd9ed>] tick_nohz_irq_exit+0x8d/0xb0
[<ffffffff810511c5>] irq_exit+0xc5/0x130
[<ffffffff814f180a>] smp_apic_timer_interrupt+0x4a/0x60
[<ffffffff814eff5e>] apic_timer_interrupt+0x6e/0x80
<EOI> [<ffffffff814ee5d1>] ? _raw_spin_unlock_irqrestore+0x31/0x60
[<ffffffff8108bbc8>] __wake_up+0x48/0x60
[<ffffffff8134836c>] n_tty_receive_buf_common+0x49c/0xba0
[<ffffffff8134a6bf>] ? tty_ldisc_ref+0x1f/0x70
[<ffffffff81348a84>] n_tty_receive_buf2+0x14/0x20
[<ffffffff8134b390>] flush_to_ldisc+0xe0/0x120
[<ffffffff81064d05>] process_one_work+0x1d5/0x540
[<ffffffff81064c81>] ? process_one_work+0x151/0x540
[<ffffffff81065191>] worker_thread+0x121/0x470
[<ffffffff81065070>] ? process_one_work+0x540/0x540
[<ffffffff8106b4df>] kthread+0xef/0x110
[<ffffffff8106b3f0>] ? __kthread_parkme+0xa0/0xa0
[<ffffffff814ef4f2>] ret_from_fork+0x42/0x70
[<ffffffff8106b3f0>] ? __kthread_parkme+0xa0/0xa0
---[ end trace 06e3507544a38866 ]---
However, it turns out that kvmclock does provide a stable
sched_clock callback. So, let the scheduler know this which
in turn makes NOHZ_FULL work in the guest.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Setting sched clock stable for kvmclock causes the printk timestamps
to not start from zero, which is different from baremetal and
can possibly break userspace. Add a flag to indicate that
hypervisor sets clock base at zero when kvmclock is initialized.
Signed-off-by: Marcelo Tosatti <mtosatti@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
* Describe DMA for the serial ports of R-Car Gen2 SoCs
* Add MMCIF max-frequency to R-Car Gen2 SoCs
* Use "nor-jedec" instead of "jedec,spi-nor"
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1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=OIk0
-----END PGP SIGNATURE-----
Merge tag 'renesas-dt2-for-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into next/dt
Merge "Second Round of Renesas ARM Based SoC DT Updates for v4.2" from Simon Horman:
* Describe DMA for the serial ports of R-Car Gen2 SoCs
* Add MMCIF max-frequency to R-Car Gen2 SoCs
* Use "nor-jedec" instead of "jedec,spi-nor"
* tag 'renesas-dt2-for-v4.2' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: r8a7790 dtsi: Describe DMA for the serial ports
ARM: shmobile: r8a7791 dtsi: Describe DMA for the serial ports
ARM: shmobile: r8a7794 dtsi: Describe DMA for the serial ports
ARM: shmobile: r8a7791: add MMCIF max-frequency
ARM: shmobile: r8a7790: add MMCIF max-frequency
ARM: shmobile: bockw dts: Replace "nor-jedec" by "jedec,spi-nor"
ARM: shmobile: henninger dts: Replace "nor-jedec" by "jedec,spi-nor"
ARM: shmobile: bockw-reference dts: Replace "nor-jedec" by "jedec,spi-nor"
ARM: shmobile: koelsch dts: Replace "nor-jedec" by "jedec,spi-nor"
ARM: shmobile: lager dts: Replace "nor-jedec" by "jedec,spi-nor"
- Fix aliases and stdout properties
- Document current TTC binding
- Add Ceva to prefixes
- Use new compatible string for MACB
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.10 (GNU/Linux)
iEYEABECAAYFAlVmuqQACgkQykllyylKDCEKxgCgl/50lxDs3V9bRw5JUiN0ClM/
lCoAn2OfNpK5w/HmOw57erYuIA0rPQc8
=ulOE
-----END PGP SIGNATURE-----
Merge tag 'zynq-dt-for-4.2' of https://github.com/Xilinx/linux-xlnx into next/dt
Merge "arm: Xilinx Zynq dt patches for v4.2" from Michal Simek:
- Fix aliases and stdout properties
- Document current TTC binding
- Add Ceva to prefixes
- Use new compatible string for MACB
* tag 'zynq-dt-for-4.2' of https://github.com/Xilinx/linux-xlnx:
ARM: zynq: DT: Use the zynq binding with macb
of: Add vendor prefix for Ceva
PCI: xilinx: Trivial fix in DT example
devicetree: cadence_ttc: Document binding for timer width
ARM: dts: zynq: Fix stdout-path and bootargs
ARM: dts: zynq: Add missing alias node for zybo and parallella
Since 39b2bbe3d7 (gpio: add flags argument to gpiod_get*() functions)
which appeared in v3.17-rc1, the gpiod_get* functions take an additional
parameter that allows to specify direction and initial value for output.
Furthermore there is devm_gpiod_get_optional which is designed to get
optional gpios.
Simplify driver accordingly.
Note this makes error checking more strict because only -ENOENT is
ignored when searching for the GPIOs which is good.
Signed-off-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
It was possible for mac80211 to be coerced into an
unexpected flow causing sdata union to become
corrupted. Station pointer was put into
sdata->u.vlan.sta memory location while it was
really master AP's sdata->u.ap.next_beacon. This
led to station entry being later freed as
next_beacon before __sta_info_flush() in
ieee80211_stop_ap() and a subsequent invalid
pointer dereference crash.
The problem was that ieee80211_ptr->use_4addr
wasn't cleared on interface type changes.
This could be reproduced with the following steps:
# host A and host B have just booted; no
# wpa_s/hostapd running; all vifs are down
host A> iw wlan0 set type station
host A> iw wlan0 set 4addr on
host A> printf 'interface=wlan0\nssid=4addrcrash\nchannel=1\nwds_sta=1' > /tmp/hconf
host A> hostapd -B /tmp/conf
host B> iw wlan0 set 4addr on
host B> ifconfig wlan0 up
host B> iw wlan0 connect -w hostAssid
host A> pkill hostapd
# host A crashed:
[ 127.928192] BUG: unable to handle kernel NULL pointer dereference at 00000000000006c8
[ 127.929014] IP: [<ffffffff816f4f32>] __sta_info_flush+0xac/0x158
...
[ 127.934578] [<ffffffff8170789e>] ieee80211_stop_ap+0x139/0x26c
[ 127.934578] [<ffffffff8100498f>] ? dump_trace+0x279/0x28a
[ 127.934578] [<ffffffff816dc661>] __cfg80211_stop_ap+0x84/0x191
[ 127.934578] [<ffffffff816dc7ad>] cfg80211_stop_ap+0x3f/0x58
[ 127.934578] [<ffffffff816c5ad6>] nl80211_stop_ap+0x1b/0x1d
[ 127.934578] [<ffffffff815e53f8>] genl_family_rcv_msg+0x259/0x2b5
Note: This isn't a revert of f8cdddb8d6
("cfg80211: check iface combinations only when
iface is running") as far as functionality is
considered because b6a550156b ("cfg80211/mac80211:
move more combination checks to mac80211") moved
the logic somewhere else already.
Fixes: f8cdddb8d6 ("cfg80211: check iface combinations only when iface is running")
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
There was a possible race between
ieee80211_reconfig() and
ieee80211_delayed_tailroom_dec(). This could
result in inability to transmit data if driver
crashed during roaming or rekeying and subsequent
skbs with insufficient tailroom appeared.
This race was probably never seen in the wild
because a device driver would have to crash AND
recover within 0.5s which is very unlikely.
I was able to prove this race exists after
changing the delay to 10s locally and crashing
ath10k via debugfs immediately after GTK
rekeying. In case of ath10k the counter went below
0. This was harmless but other drivers which
actually require tailroom (e.g. for WEP ICV or
MMIC) could end up with the counter at 0 instead
of >0 and introduce insufficient skb tailroom
failures because mac80211 would not resize skbs
appropriately anymore.
Fixes: 8d1f7ecd2a ("mac80211: defer tailroom counter manipulation when roaming")
Signed-off-by: Michal Kazior <michal.kazior@tieto.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Fix this from the logs:
usb 7-1: New USB device found, idVendor=046d, idProduct=08ca
...
usb 7-1: Warning! Unlikely big volume range (=3072), cval->res is probably wrong.
usb 7-1: [5] FU [Mic Capture Volume] ch = 1, val = 4608/7680/1
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Cc: <stable@vger.kernel.org>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This patch removes the optional print_name() function pointer included in
'struct extcon_dev' because the extcon must maintain the consistent name of
extcon device on sysfs instead of inconsistent name. After merged patch[1],
extcon can maintain the consistent name of extcon device without any hard-coded
device name.
[1] https://lkml.org/lkml/2015/4/27/258
Signed-off-by: Chanwoo Choi <cw00.choi@samsung.com>
Due to changes in i2c-powermac, for some Macs the DEQ is instantiated
now in i2c-powermac while some need the instantiation here in the
keywest sound driver. The proper fix is to convert this driver to AOA.
Until then support both ways of instantiation. Before this patch, some
Macs lost sound because the sound driver failed when instantiating the
DEQ for the second time.
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>
Tested-by: Dan DeVoto <dand1972@yahoo.com>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
