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Commit c8d68e6be1c3b242f1c598595830890b65cea64a
(tuntap: multiqueue support) only call free_netdev() on error in
tun_set_iff(). This causes several issues:
- memory of tun security were leaked
- use after free since the flow gc timer was not deleted and the tfile
were not detached
This patch solves the above issues.
Reported-by: Wannes Rombouts <wannes.rombouts@epitech.eu>
Cc: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Jason Wang <jasowang@redhat.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This makes sure a format string cannot accidentally leak into the
kthread_run() call.
Signed-off-by: Kees Cook <keescook@chromium.org>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc
Pull ARM SoC fixes from Olof Johansson:
"A small batch of fixes that have trickled in over the last week of the
merge window.
Also included are few small devicetree updates for sunxi, since it
enables me to use one of their newer boards (cubieboard2) for
additional test coverage. The support for that SoC is new for 3.12,
so there's no exposure to new regressions due to it"
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/arm/arm-soc:
ARM: dts: sun7i: olinuxino-micro: Enable the EMAC
ARM: dts: sun7i: cubieboard2: Enable the EMAC
ARM: dts: sun7i: Add the muxing options for the EMAC
ARM: dts: sun7i: Enable the Ethernet in the A20
i2c: davinci: Fix bad dev_get_platdata() conversion
ARM: vexpress: allow dcscb and tc2_pm in a combined ARMv6+v7 build
ARM: shmobile: lager: Do not use register_type field of struct sh_eth_plat_data
ARM: pxa: ssp: Check return values from phandle lookups
ARM: PCI: versatile: Fix SMAP register offsets
ARM: PCI: versatile: Fix PCI I/O
ARM: PCI: versatile: Fix map_irq function to match hardware
ARM: ep93xx: Don't use modem interface on the second UART
ARM: shmobile: r8a7779: Update early timer initialisation order
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This is just a remnant from the old days when our reset handling was
horribly racy, suffered from terribly locking issues and often happily
live-locked. Those days are now gone so we can drop the hacks and just
rip the reschedule-point out.
Reported-by: Peter Zijlstra <peterz@infradead.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Reviewed-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Flow control is defined in the four EEPROM sections but the driver only reads
from section 0.
Signed-off-by: Todd Fujinaka <todd.fujinaka@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fixes a problem where some ports can fail to initialize on a
cold boot. This patch adds an additional call to read the PHY id for i354
devices in order workaround the hardware problem.
Signed-off-by: Carolyn Wyborny <carolyn.wyborny@intel.com>
Tested-by: Aaron Brown <aaron.f.brown@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds
Pull led updates from Bryan Wu:
"Sorry for the late pull request, since I'm just back from vacation.
LED subsystem updates for 3.12:
- pca9633 driver DT supporting and pca9634 chip supporting
- restore legacy device attributes for lp5521
- other fixing and updates"
* 'for-next' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds: (28 commits)
leds: wm831x-status: Request a REG resource
leds: trigger: ledtrig-backlight: Fix invalid memory access in fb_event notification callback
leds-pca963x: Fix device tree parsing
leds-pca9633: Rename to leds-pca963x
leds-pca9633: Add mutex to the ledout register
leds-pca9633: Unique naming of the LEDs
leds-pca9633: Add support for PCA9634
leds: lp5562: use LP55xx common macros for device attributes
Documentation: leds-lp5521,lp5523: update device attribute information
leds: lp5523: remove unnecessary writing commands
leds: lp5523: restore legacy device attributes
leds: lp5523: LED MUX configuration on initializing
leds: lp5523: make separate API for loading engine
leds: lp5521: remove unnecessary writing commands
leds: lp5521: restore legacy device attributes
leds: lp55xx: add common macros for device attributes
leds: lp55xx: add common data structure for program
Documentation: leds: Fix a typo
leds: ss4200: Fix incorrect placement of __initdata
leds: clevo-mail: Fix incorrect placement of __initdata
...
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git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu
Pull IOMMU Updates from Joerg Roedel:
"This round the updates contain:
- A new driver for the Freescale PAMU IOMMU from Varun Sethi.
This driver has cooked for a while and required changes to the
IOMMU-API and infrastructure that were already merged before.
- Updates for the ARM-SMMU driver from Will Deacon
- Various fixes, the most important one is probably a fix from Alex
Williamson for a memory leak in the VT-d page-table freeing code
In summary not all that much. The biggest part in the diffstat is the
new PAMU driver"
* tag 'iommu-updates-v3.12' of git://git.kernel.org/pub/scm/linux/kernel/git/joro/iommu:
intel-iommu: Fix leaks in pagetable freeing
iommu/amd: Fix resource leak in iommu_init_device()
iommu/amd: Clean up unnecessary MSI/MSI-X capability find
iommu/arm-smmu: Simplify VMID and ASID allocation
iommu/arm-smmu: Don't use VMIDs for stage-1 translations
iommu/arm-smmu: Tighten up global fault reporting
iommu/arm-smmu: Remove broken big-endian check
iommu/fsl: Remove unnecessary 'fsl-pamu' prefixes
iommu/fsl: Fix whitespace problems noticed by git-am
iommu/fsl: Freescale PAMU driver and iommu implementation.
iommu/fsl: Add additional iommu attributes required by the PAMU driver.
powerpc: Add iommu domain pointer to device archdata
iommu/exynos: Remove dead code (set_prefbuf)
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git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip
Pull Xen balloon driver bug-fixes from Stefano Stabellini:
- fix a preemption bug in xen/balloon.c;
- remove an harmful BUG_ON in xen/balloon.c that can trigger in
non-erroneous situations.
* tag 'stable/for-linus-3.12-rc0-tag-three' of git://git.kernel.org/pub/scm/linux/kernel/git/xen/tip:
xen/balloon: remove BUG_ON in increase_reservation
xen/balloon: ensure preemption is disabled when using a scratch page
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git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI and power management fixes from Rafael Wysocki:
"All of these commits are fixes that have emerged recently and some of
them fix bugs introduced during this merge window.
Specifics:
1) ACPI-based PCI hotplug (ACPIPHP) fixes related to spurious events
After the recent ACPIPHP changes we've seen some interesting
breakage on a system that triggers device check notifications
during boot for non-existing devices. Although those
notifications are really spurious, we should be able to deal with
them nevertheless and that shouldn't introduce too much overhead.
Four commits to make that work properly.
2) Memory hotplug and hibernation mutual exclusion rework
This was maent to be a cleanup, but it happens to fix a classical
ABBA deadlock between system suspend/hibernation and ACPI memory
hotplug which is possible if they are started roughly at the same
time. Three commits rework memory hotplug so that it doesn't
acquire pm_mutex and make hibernation use device_hotplug_lock
which prevents it from racing with memory hotplug.
3) ACPI Intel LPSS (Low-Power Subsystem) driver crash fix
The ACPI LPSS driver crashes during boot on Apple Macbook Air with
Haswell that has slightly unusual BIOS configuration in which one
of the LPSS device's _CRS method doesn't return all of the
information expected by the driver. Fix from Mika Westerberg, for
stable.
4) ACPICA fix related to Store->ArgX operation
AML interpreter fix for obscure breakage that causes AML to be
executed incorrectly on some machines (observed in practice).
From Bob Moore.
5) ACPI core fix for PCI ACPI device objects lookup
There still are cases in which there is more than one ACPI device
object matching a given PCI device and we don't choose the one
that the BIOS expects us to choose, so this makes the lookup take
more criteria into account in those cases.
6) Fix to prevent cpuidle from crashing in some rare cases
If the result of cpuidle_get_driver() is NULL, which can happen on
some systems, cpuidle_driver_ref() will crash trying to use that
pointer and the Daniel Fu's fix prevents that from happening.
7) cpufreq fixes related to CPU hotplug
Stephen Boyd reported a number of concurrency problems with
cpufreq related to CPU hotplug which are addressed by a series of
fixes from Srivatsa S Bhat and Viresh Kumar.
8) cpufreq fix for time conversion in time_in_state attribute
Time conversion carried out by cpufreq when user space attempts to
read /sys/devices/system/cpu/cpu*/cpufreq/stats/time_in_state
won't work correcty if cputime_t doesn't map directly to jiffies.
Fix from Andreas Schwab.
9) Revert of a troublesome cpufreq commit
Commit 7c30ed5 (cpufreq: make sure frequency transitions are
serialized) was intended to address some known concurrency
problems in cpufreq related to the ordering of transitions, but
unfortunately it introduced several problems of its own, so I
decided to revert it now and address the original problems later
in a more robust way.
10) Intel Haswell CPU models for intel_pstate from Nell Hardcastle.
11) cpufreq fixes related to system suspend/resume
The recent cpufreq changes that made it preserve CPU sysfs
attributes over suspend/resume cycles introduced a possible NULL
pointer dereference that caused it to crash during the second
attempt to suspend. Three commits from Srivatsa S Bhat fix that
problem and a couple of related issues.
12) cpufreq locking fix
cpufreq_policy_restore() should acquire the lock for reading, but
it acquires it for writing. Fix from Lan Tianyu"
* tag 'pm+acpi-fixes-3.12-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (25 commits)
cpufreq: Acquire the lock in cpufreq_policy_restore() for reading
cpufreq: Prevent problems in update_policy_cpu() if last_cpu == new_cpu
cpufreq: Restructure if/else block to avoid unintended behavior
cpufreq: Fix crash in cpufreq-stats during suspend/resume
intel_pstate: Add Haswell CPU models
Revert "cpufreq: make sure frequency transitions are serialized"
cpufreq: Use signed type for 'ret' variable, to store negative error values
cpufreq: Remove temporary fix for race between CPU hotplug and sysfs-writes
cpufreq: Synchronize the cpufreq store_*() routines with CPU hotplug
cpufreq: Invoke __cpufreq_remove_dev_finish() after releasing cpu_hotplug.lock
cpufreq: Split __cpufreq_remove_dev() into two parts
cpufreq: Fix wrong time unit conversion
cpufreq: serialize calls to __cpufreq_governor()
cpufreq: don't allow governor limits to be changed when it is disabled
ACPI / bind: Prefer device objects with _STA to those without it
ACPI / hotplug / PCI: Avoid parent bus rescans on spurious device checks
ACPI / hotplug / PCI: Use _OST to notify firmware about notify status
ACPI / hotplug / PCI: Avoid doing too much for spurious notifies
ACPICA: Fix for a Store->ArgX when ArgX contains a reference to a field.
ACPI / hotplug / PCI: Don't trim devices before scanning the namespace
...
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Pull watchdog updates from Wim Van Sebroeck:
- New watchdog driver for Allwinner A10/A13
- some devm_ioremap_resource simplifications
- a s3c2410_wdt change that removes the global variables
* git://www.linux-watchdog.org/linux-watchdog:
watchdog: s3c2410_wdt: simplify use of devm_ioremap_resource
watchdog: simplify platform_get_resource_byname/devm_ioremap_resource
watchdog: ts72xx_wdt: simplify use of devm_ioremap_resource
watchdog: nuc900_wdt.c: simplify use of devm_ioremap_resource
watchdog: sunxi: New watchdog driver for Allwinner A10/A13
watchdog: s3c2410_wdt: remove the global variables
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The driver core clears the driver data to NULL after device_release
or on probe failure. Thus, it is not needed to manually clear the
device driver data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Acked-by: Clemens Ladisch <clemens@ladisch.de>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
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'iommu/fixes' into next
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git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux
Pull thermal management updates from Zhang Rui:
"We have a lot of SOC changes and a few thermal core fixes this time.
The biggest change is about exynos thermal driver restructure. The
patch set adds TMU (Thermal management Unit) driver support for
exynos5440 platform. There are 3 instances of the TMU controllers so
necessary cleanup/re-structure is done to handle multiple thermal
zone.
The next biggest change is the introduction of the imx thermal driver.
It adds the imx thermal support using Temperature Monitor (TEMPMON)
block found on some Freescale i.MX SoCs. The driver uses syscon
regmap interface to access TEMPMON control registers and calibration
data, and supports cpufreq as the cooling device.
Highlights:
- restructure exynos thermal driver.
- introduce new imx thermal driver.
- fix a bug in thermal core, which powers on the fans unexpectedly
after resume from suspend"
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/rzhang/linux: (46 commits)
drivers: thermal: add check when unregistering cpu cooling
thermal: thermal_core: allow binding with limits on bind_params
drivers: thermal: make usage of CONFIG_THERMAL_HWMON optional
drivers: thermal: parent virtual hwmon with thermal zone
thermal: hwmon: move hwmon support to single file
thermal: exynos: Clean up non-DT remnants
thermal: exynos: Fix potential NULL pointer dereference
thermal: exynos: Fix typos in Kconfig
thermal: ti-soc-thermal: Ensure to compute thermal trend
thermal: ti-soc-thermal: Set the bandgap mask counter delay value
thermal: ti-soc-thermal: Initialize counter_delay field for TI DRA752 sensors
thermal: step_wise: return instance->target by default
thermal: step_wise: cdev only needs update on a new target state
Thermal/cpu_cooling: Return directly for the cpu out of allowed_cpus in the cpufreq_thermal_notifier()
thermal: exynos_tmu: fix wrong error check for mapped memory
thermal: imx: implement thermal alarm interrupt handling
thermal: imx: dynamic passive and SoC specific critical trip points
Documentation: thermal: Explain the exynos thermal driver model
ARM: dts: thermal: exynos: Add documentation for Exynos SoC thermal bindings
thermal: exynos: Support for TMU regulator defined at device tree
...
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The dereference to 'pdata' should be moved below the NULL test.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
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* pm-cpufreq:
cpufreq: Acquire the lock in cpufreq_policy_restore() for reading
cpufreq: Prevent problems in update_policy_cpu() if last_cpu == new_cpu
cpufreq: Restructure if/else block to avoid unintended behavior
cpufreq: Fix crash in cpufreq-stats during suspend/resume
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In case of error, the function devm_ioremap_resource() returns
ERR_PTR() and never returns NULL. The NULL test in the return
value check should be replaced with IS_ERR().
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
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Fix to return a negative error code from the error handling
case instead of 0, as done elsewhere in this function.
Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Signed-off-by: Mark Brown <broonie@linaro.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
John W. Linville says:
====================
This is a pull request for a few early fixes for the 3.12 stream.
Alexey Khoroshilov corrects a use-after-free issue on rtl8187 found
by the Linux Driver Verification project.
Arend van Spriel provides a brcmfmac patch to fix a build issue
reported by Randy Dunlap.
Hauke Mehrtens offers a bcma fix to properly account for the storage
width of error code values before checking them.
Solomon Peachy brings a pair of cw1200 fixes to avoid hangs in that
driver with SPI devices. One avoids transfers in interrupt context,
the other fixes a locking issue.
Stanislaw Gruszka changes the initialization of the rt2800 driver to
avoid a freeze, addressing a bug in the Red Hat bugzilla.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Same narrative as eb2dc35d99028b698cdedba4f5522bc43e576bd2 ("r8169: RxConfig
hack for the 8168evl.") regarding AMD IOMMU errors.
RTL_GIGA_MAC_VER_36 - 8168f as well - has not been reported to behave the
same.
Tested-by: David R <david@unsolicited.net>
Tested-by: Frédéric Leroy <fredo@starox.org>
Cc: Hayes Wang <hayeswang@realtek.com>
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When porting from UMS I mistyped this from the wrong place, AST noticed
and pointed it out, so we should fix it to be like the X.org driver.
Reported-by: Y.C. Chen <yc_chen@aspeedtech.com>
Cc: stable@vger.kernel.org
Signed-off-by: Dave Airlie <airlied@redhat.com>
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This reverts the Linux for Workgroups thing. And no, before somebody
asks, we're not doing Linux95. Not for a few years, at least.
Sure, the flag added some color to the logo, and could have remained as
a testament to my leet gimp skills. But no. And I'll do this early, to
avoid the chance of forgetting when I'm doing the actual rc1 release on
the road.
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.linaro.org/people/mszyprowski/linux-dma-mapping
Pull DMA-mapping fix from Marek Szyprowski:
"A build bugfix for the device tree support for reserved memory
regions. Due to superfluous include the common code failed to build
on ARM64 and MIPS architectures.
The patch that caused the build break has lived at linux-next for
about two weeks and noone noticed the issue, what convinced me that
everything was ok"
* 'for-v3.12-fix' of git://git.linaro.org/people/mszyprowski/linux-dma-mapping:
drivers: of: fix build break if asm/dma-contiguous.h is missing
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Pull dma-buf updates from Sumit Semwal:
"Yet another small one - dma-buf framework now supports size discovery
of the buffer via llseek"
* tag 'for-3.12' of git://git.linaro.org/people/sumitsemwal/linux-dma-buf:
dma-buf: Expose buffer size to userspace (v2)
dma-buf: Check return value of anon_inode_getfile
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Merge first patch-bomb from Andrew Morton:
- Some pidns/fork/exec tweaks
- OCFS2 updates
- Most of MM - there remain quite a few memcg parts which depend on
pending core cgroups changes. Which might have been already merged -
I'll check tomorrow...
- Various misc stuff all over the place
- A few block bits which I never got around to sending to Jens -
relatively minor things.
- MAINTAINERS maintenance
- A small number of lib/ updates
- checkpatch updates
- epoll
- firmware/dmi-scan
- Some kprobes work for S390
- drivers/rtc updates
- hfsplus feature work
- vmcore feature work
- rbtree upgrades
- AOE updates
- pktcdvd cleanups
- PPS
- memstick
- w1
- New "inittmpfs" feature, which does the obvious
- More IPC work from Davidlohr.
* emailed patches from Andrew Morton <akpm@linux-foundation.org>: (303 commits)
lz4: fix compression/decompression signedness mismatch
ipc: drop ipc_lock_check
ipc, shm: drop shm_lock_check
ipc: drop ipc_lock_by_ptr
ipc, shm: guard against non-existant vma in shmdt(2)
ipc: document general ipc locking scheme
ipc,msg: drop msg_unlock
ipc: rename ids->rw_mutex
ipc,shm: shorten critical region for shmat
ipc,shm: cleanup do_shmat pasta
ipc,shm: shorten critical region for shmctl
ipc,shm: make shmctl_nolock lockless
ipc,shm: introduce shmctl_nolock
ipc: drop ipcctl_pre_down
ipc,shm: shorten critical region in shmctl_down
ipc,shm: introduce lockless functions to obtain the ipc object
initmpfs: use initramfs if rootfstype= or root= specified
initmpfs: make rootfs use tmpfs when CONFIG_TMPFS enabled
initmpfs: move rootfs code from fs/ramfs/ to init/
initmpfs: move bdi setup from init_rootfs to init_ramfs
...
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The driver core clears the driver data to NULL after device_release or on
probe failure. Thus, it is not needed to manually clear the device driver
data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Cc: Greg KH <greg@kroah.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The usage of strict_strtol() is not preferred, because strict_strtol() is
obsolete. Thus, kstrtol() should be used.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Evgeniy Polyakov <zbr@ioremap.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Based partially on MS standard spec quotes from Alex Dubov.
As any code that works with user data this driver isn't recommended to use
to write cards that contain valuable data.
It tries its best though to avoid data corruption and possible damage to
the card.
Tested on MS DUO 64 MB card on Ricoh R592 card reader.
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Cc: Valdis Kletnieks <Valdis.Kletnieks@vt.edu>
Cc: Jens Axboe <axboe@kernel.dk>
Cc: Alex Dubov <oakad@yahoo.com>
Cc: Tejun Heo <tj@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The driver core clears the driver data to NULL after device_release or on
probe failure. Thus, it is not needed to manually clear the device driver
data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The driver core clears the driver data to NULL after device_release or on
probe failure. Thus, it is not needed to manually clear the device driver
data to NULL.
Signed-off-by: Jingoo Han <jg1.han@samsung.com>
Cc: Rodolfo Giometti <giometti@enneenne.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix thinkos where pkt_<level> needs a valid pktcdvd_device * and the
pointer is known to be NULL.
Signed-off-by: Joe Perches <joe@perches.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com> (go smatch!)
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Allow the device name to be emitted with pkt_err when logging the sense
data.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a new pkt_info macro to prefix the name to the logging output.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a new pkt_notice macro to prefix the name to the logging output.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add a new pkt_err macro to prefix the name to the logging output. Convert
pr_err where there is a non-null struct pktcdvd_device.
Includes improvements from Andy Shevchenko.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Add pd->name to output for these debugging messages.
Remove normally compiled out pkt_dbg(2, ...) function entry tracing
equivalents as it's better done via the function tracer.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use the more common pkt_dbg(level, fmt, ...) form.
These messages are emitted at KERN_NOTICE.
Always emit function name with pkt_dbg(2, ...) uses and remove the
sometimes abbreviated embedded function name.
This form always verifies the format and arguments.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Use a more current logging style and add messages levels to the logging
messages.
Simplify pkt_dump_sense by using %*ph and adding a simple function to emit
the sense string.
Includes improvements from Andy Shevchenko and Dan Carpenter.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Andy Shevchenko <andy.shevchenko@gmail.com>
Cc: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Macros should be converted to functions where feasible to
verify arguments and the like.
Signed-off-by: Joe Perches <joe@perches.com>
Cc: Jiri Kosina <jkosina@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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If the system has trouble allocating memory for the creation of the aoe
debugfs directory or of a file inside it, the debugfs member of an aoedev
can be NULL.
Do not treat a NULL debugfs pointer as a BUG on aoedev shutdown, avoiding
the user impact of an unecessary panic.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch fixes following compiler warnings:
drivers/block/aoe/aoecmd.c: In function `aoecmd_ata_rw':
drivers/block/aoe/aoecmd.c:383:17: warning: variable `t' set but not used [-Wunused-but-set-variable]
struct aoetgt *t;
^
drivers/block/aoe/aoecmd.c: In function `resend':
drivers/block/aoe/aoecmd.c:488:21: warning: variable `ah' set but not used [-Wunused-but-set-variable]
struct aoe_atahdr *ah;
^
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In the kernel we have a nice helper that may be used here. This patch
substitutes the custom implementation by the native function call.
Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Cc: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Introduced module params to provide dynamic way of configuring
queue depth.
Added support to get max io throttle count through UCSM to
configure maximum outstanding IOs supported by fnic and push
that value to scsi mid-layer.
Supported IO throttle values:
UCSM IO THROTTLE VALUE FNIC MAX OUTSTANDING IOS
------------------------------------------------------
16 (Default) 2048
<= 256 256
> 256 <ucsm value>
Signed-off-by: Hiral Patel <hiralpat@cisco.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
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Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This information is presented in a compact format that has evolved for
easy routine scanning by expert humans, mostly developers and support
technicians helping to troubleshoot or test AoE-based systems.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The place holder in the file contents is filled out in the following
patch.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This series adds the debugging information that the coraid.com-distributed
aoe driver exports via sysfs, but instead of sysfs, it uses debugfs.
With these patches applied, even without AoE targets on the network, KEDR
reports new possible memory leaks, but these are from callers outside the
aoe driver that have used aoe_devnode to get the name of the character
devices through the aoe_class->devnode callback, and I believe they're
responsible for freeing that memory.
This patch:
Create and destroy the debugfs directory.
Signed-off-by: Ed Cashin <ecashin@coraid.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Modify the s390 copy_oldmem_page() and remap_oldmem_pfn_range() function
for zfcpdump to read from the HSA memory if memory below HSA_SIZE bytes is
requested. Otherwise real memory is used.
Signed-off-by: Michael Holzheu <holzheu@linux.vnet.ibm.com>
Cc: HATAYAMA Daisuke <d.hatayama@jp.fujitsu.com>
Cc: Jan Willeke <willeke@de.ibm.com>
Cc: Vivek Goyal <vgoyal@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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