If one reads /proc/$PID/smaps, the mmap_sem belonging to the
address space of the task being examined is locked for reading.
All the pages of the vmas belonging to the task's address space
are then walked with this lock held.
If a gate_vma is present in the architecture, it too is examined
by the fs/proc/task_mmu.c code. As gate_vma doesn't belong to the
address space of the task though, its pages are not walked.
A recent cleanup (commit f6604efe) of the gate_vma initialisation
code set the vm_mm value to &init_mm. Unfortunately a non-NULL
vm_mm value in the gate_vma will cause the task_mmu code to attempt
to walk the pages of the gate_vma (with no mmap-sem lock held). If
one enables Transparent Huge Page support and vm debugging, this
will then cause OOPses as pmd_trans_huge_lock is called without
mmap_sem being locked.
This patch removes the .vm_mm value from gate_vma, restoring the
original behaviour of the task_mmu code.
Signed-off-by: Steve Capper <steve.capper@linaro.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
Make the SHA1 asm code ABI conformant by making sure all stack
accesses occur above the stack pointer.
Origin:
http://git.openssl.org/gitweb/?p=openssl.git;a=commit;h=1a9d60d2
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Nicolas Pitre <nico@linaro.org>
Cc: stable@vger.kernel.org
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=GyZI
-----END PGP SIGNATURE-----
Merge tag 'renesas-boards-marzen-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas into fixes
From Simon Horman:
Correct USB PHY initialisation on the marzen board.
* tag 'renesas-boards-marzen-fixes-for-v3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/horms/renesas:
ARM: shmobile: marzen: Use error values in usb_power_*
Signed-off-by: Olof Johansson <olof@lixom.net>
with DT.
Basic build, boot, and PM test logs are here - unfortunately, not for
the DT case yet:
http://www.pwsan.com/omap/testlogs/uart_idle_fix_v3.10-rc/20130519164010/
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=DRuE
-----END PGP SIGNATURE-----
Merge tag 'omap-fixes-a-for-3.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending into fixes
From Paul Walmsley:
Fix the OMAP serial driver to work correctly on OMAP4 when booting
with DT.
* tag 'omap-fixes-a-for-3.10-rc' of git://git.kernel.org/pub/scm/linux/kernel/git/pjw/omap-pending:
ARM: OMAP2+: hwmod: Remove sysc slave idle and auto idle apis
SERIAL: OMAP: Remove the slave idle handling from the driver
ARM: OMAP2+: serial: Remove the un-used slave idle hooks
ARM: OMAP2+: hwmod-data: UART IP needs software control to manage sidle modes
ARM: OMAP2+: hwmod: Add a new flag to handle SIDLE in SWSUP only in active
ARM: OMAP2+: hwmod: Fix sidle programming in _enable_sysc()/_idle_sysc()
Signed-off-by: Olof Johansson <olof@lixom.net>
As suggested by David Howells <dhowells@redhat.com>, use
asm-generic/param.h and uapi/asm-generic/param.h for AVR32.
It also fixes building warnings caused by redefinitions of HZ:
In file included from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
from include/linux/timex.h:63,
from include/linux/jiffies.h:8,
from include/linux/ktime.h:25,
from include/linux/timer.h:5,
from include/linux/workqueue.h:8,
from include/linux/srcu.h:34,
from include/linux/notifier.h:15,
from include/linux/memory_hotplug.h:6,
from include/linux/mmzone.h:777,
from include/linux/gfp.h:4,
from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:6:1: warning: "HZ" redefined
In file included from /ws/linux/kernel/linux.git/arch/avr32/include/asm/param.h:4,
from /ws/linux/kernel/linux.git/include/uapi/linux/param.h:4,
from include/linux/timex.h:63,
from include/linux/jiffies.h:8,
from include/linux/ktime.h:25,
from include/linux/timer.h:5,
from include/linux/workqueue.h:8,
from include/linux/srcu.h:34,
from include/linux/notifier.h:15,
from include/linux/memory_hotplug.h:6,
from include/linux/mmzone.h:777,
from include/linux/gfp.h:4,
from arch/avr32/mm/init.c:10:
/ws/linux/kernel/linux.git/arch/avr32/include/uapi/asm/param.h:6:1: warning: this is the location of the previous definition
Signed-off-by: Jiang Liu <jiang.liu@huawei.com>
Cc: Hans-Christian Egtvedt <egtvedt@samfundet.no>
Cc: Haavard Skinnemoen <hskinnemoen@gmail.com>
Cc: linux-kernel@vger.kernel.org
Signed-off-by: Hans-Christian Egtvedt <egtvedt@samfundet.no>
The lockless RPC_IS_QUEUED() test in __rpc_execute means that we need to
be careful about ordering the calls to rpc_test_and_set_running(task) and
rpc_clear_queued(task). If we get the order wrong, then we may end up
testing the RPC_TASK_RUNNING flag after __rpc_execute() has looped
and changed the state of the rpc_task.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
Cc: stable@vger.kernel.org
virt_to_page() is typically implemented as a macro containing a cast so
that it will accept both pointers and unsigned long without causing a
warning.
But MIPS virt_to_page() uses virt_to_phys which is a function so passing
an unsigned long will cause a warning:
CC mm/page_alloc.o
mm/page_alloc.c: In function ‘free_reserved_area’:
mm/page_alloc.c:5161:3: warning: passing argument 1 of ‘virt_to_phys’ makes pointer from integer without a cast [enabled by default]
arch/mips/include/asm/io.h:119:100: note: expected ‘const volatile void *’ but argument is of type ‘long unsigned int’
All others users of virt_to_page() in mm/ are passing a void *.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Reported-by: Eunbong Song <eunb.song@samsung.com>
Cc: linux-kernel@vger.kernel.org
Cc: linux-mm@kvack.org
Cc: linux-mips@linux-mips.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
It's bigger than I would like, most of it is due to the big ab/db8500 merge
that went through during the 3.10 merge window.
So we have:
- Some build fixes for the tps65912 and ab8500 drivers.
- A couple of build fixes for the the si476x driver with pre 4.3 gcc
compilers.
- A few runtime breakage fixes (probe failures or oopses) for the ab8500
and db8500 drivers.
- Some sparse or regular gcc warning fixes for the si476x, ab8500 and
cros_ec drivers.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=RQz1
-----END PGP SIGNATURE-----
Merge tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes
Pull mfd fixes from Samuel Ortiz:
"This is the first batch of MFD fixes for 3.10.
It's bigger than I would like, most of it is due to the big ab/db8500
merge that went through during the 3.10 merge window.
So we have:
- Some build fixes for the tps65912 and ab8500 drivers.
- A couple of build fixes for the the si476x driver with pre 4.3 gcc
compilers.
- A few runtime breakage fixes (probe failures or oopses) for the
ab8500 and db8500 drivers.
- Some sparse or regular gcc warning fixes for the si476x, ab8500 and
cros_ec drivers."
* tag 'mfd-fixes-3.10-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo/mfd-fixes:
mfd: ab8500-sysctrl: Let sysctrl driver work without pdata
mfd: db8500-prcmu: Update stored DSI PLL divider value
mfd: ab8500-sysctrl: Always enable pm_power_off handler
mfd: ab8500-core: Pass GPADC compatible string to MFD core
mfd: db8500-prcmu: Supply the pdata_size attribute for db8500-thermal
mfd: ab8500-core: Use the correct driver name when enabling gpio/pinctrl
mfd: ab8500: Pass AB8500 IRQ to debugfs code by resource
mfd: ab8500-gpadc: Suppress 'ignoring regulator_enable() return value' warning
mfd: ab8500-sysctrl: Set sysctrl_dev during probe
mfd: ab8500-sysctrl: Fix sparse warning
mfd: abx500-core: Fix sparse warning
mfd: ab8500: Debugfs code depends on gpadc
mfd: si476x: Use get_unaligned_be16() for unaligned be16 loads
mfd: cros_ec_spi: Use %z to format pointer differences
mfd: si476x: Do not use binary constants
mfd: tps65912: Select MFD_CORE
I liked, but my first version broke linux-next due to overzealous
header clean.
Thanks,
Rusty.
-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.4.12 (GNU/Linux)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=rYZI
-----END PGP SIGNATURE-----
Merge tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux
Pull virtio fixes from Rusty Russell:
"A build fix and a uapi exposure fix. The build fix is later than I
liked, but my first version broke linux-next due to overzealous header
clean."
* tag 'fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux:
virtio_console: fix uapi header
Hoist memcpy_fromiovec/memcpy_toiovec into lib/
As a relatively new ABI, N64 only had getdents syscall while other modern
architectures have getdents64.
This was noticed when Python 3.3 shifted to the latter one for aarch64.
[ralf@linux-mips.org: The history of getdents64 is a little complicated.
Commit 1a1d77dd589de5a567fa95e36aa6999c704ceca4 [Merge with 2.4.0-test7.]
added N64 getdents(2) to arch/mips64/kernel/scall_64.S as syscall 5213,
then dropped again in 578720675c44e54e8aa7c68f6dce59ed37ce3d3b [Overhaul
of the 64-bit syscall interface. Now heritage free.] for 2.5.18 in 2002.]
Signed-off-by: Aron Xu <aron@debian.org>
Acked-by: David Daney <david.daney@cavium.com>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/5285/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
As multiplatform build is being adopted by more and more ARM platforms, initcall
function should be used very carefully. For example, when both arm_big_little_dt
and cpufreq-cpu0 drivers are compiled in, arm_big_little_dt driver may try to
register even if we had platform device for cpufreq-cpu0 registered.
To eliminate this undesired the effect, the patch changes arm_big_little_dt
driver to have it instantiated as a platform_driver. Then it will only run on
platforms that create the platform_device "arm-bL-cpufreq-dt".
Reported-and-tested-by: Rob Herring <robherring2@gmail.com>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
If arm_big_little_dt driver is enabled, then it will always try to register with
big LITTLE cpufreq core driver. In case DT doesn't have relevant data for cpu
nodes, i.e. operating points aren't present, then we should exit early and
shouldn't register with big LITTLE cpufreq core driver. Otherwise we will fail
continuously from the driver->init() routine.
This patch fixes this issue.
Reported-and-tested-by: Jon Medhurst <tixy@linaro.org>
Reviewed-by: Jon Medhurst <tixy@linaro.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
on i386:
CONFIG_ACPI_PROCESSOR=m
CONFIG_X86_E_POWERSAVER=y
drivers/built-in.o: In function `eps_cpu_init.part.8':
e_powersaver.c:(.text.unlikely+0x2243): undefined reference to `acpi_processor_register_performance'
e_powersaver.c:(.text.unlikely+0x22a2): undefined reference to `acpi_processor_unregister_performance'
e_powersaver.c:(.text.unlikely+0x246b): undefined reference to `acpi_processor_get_bios_limit'
X86_E_POWERSAVER should also depend on ACPI_PROCESSOR.
Signed-off-by: Rafal Bilski <rafalbilski@interia.pl>
Acked-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
- As suggested by Gleb, wrap calls to gfn_to_pfn() with srcu_read_lock/unlock().
Memory slots should be acccessed from a SRCU read section.
- kvm_mips_map_page() now returns an error code to it's callers, instead of
calling panic() if it cannot find a mapping for a particular gfn.
Signed-off-by: Sanjay Lal <sanjayl@kymasys.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>
This patch updates the marzen board code as if USB PHY isn't enabled
they phy will have a value set by ERR_PTR() rather than be NULL.
Without this patch a NULL pointer dereference and kernel panic
occurs on initialisation of USB on marzen.
This resolves a regression introduced in 3.10-rc1 by
b7fa5c2aec
("usb: phy: return -ENXIO when PHY layer isn't enabled").
Tested-by: Nguyen Hong Ky <nh-ky@jinso.co.jp>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
local_irq_enable() may expand into very different code, so it rather should
stay in C. Also this keeps the assembler code size constant which keeps
the rollback code simple. So it's best to split r4k_wait into two parts,
one C and one assembler.
Finally add the local_irq_enable() to r4k_wait to ensure the WAIT
instruction in __r4k_wait() will work properly.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
If <linux/linkage.h> has not been included before <linux/printk.h>,
a build error like the below one will result:
CC arch/mips/kernel/idle.o
In file included from arch/mips/kernel/idle.c:17:0:
include/linux/printk.h:109:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:109:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:110:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:110:1: error: expected ‘,’ or ‘;’ before ‘int’
include/linux/printk.h:114:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:114:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:115:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:115:1: error: expected ‘,’ or ‘;’ before ‘int’
include/linux/printk.h:117:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:117:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:118:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:118:1: error: ‘__cold__’ attribute ignored [-Werror=attributes]
include/linux/printk.h:118:1: error: expected ‘,’ or ‘;’ before ‘asmlinkage’
include/linux/printk.h:122:1: error: data definition has no type or storage class [-Werror]
include/linux/printk.h:122:1: error: type defaults to ‘int’ in declaration of ‘asmlinkage’ [-Werror=implicit-int]
include/linux/printk.h:123:1: error: ‘format’ attribute only applies to function types [-Werror=attributes]
include/linux/printk.h:123:1: error: ‘__cold__’ attribute ignored [-Werror=attributes]
include/linux/printk.h:123:1: error: expected ‘,’ or ‘;’ before ‘int’
In file included from include/linux/kernel.h:14:0,
from include/linux/sched.h:15,
from arch/mips/kernel/idle.c:18:
include/linux/dynamic_debug.h: In function ‘ddebug_dyndbg_module_param_cb’:
include/linux/dynamic_debug.h:124:3: error: implicit declaration of function ‘printk’ [-Werror=implicit-function-declaration]
Fixed by including <linux/linkage.h>.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Add CPU ID for Ivybrigde processor.
Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Currently, drivers/acpi/device_pm.c depends on CONFIG_PM and all of
the functions defined in there are replaced with static inline stubs
if that option is unset. However, CONFIG_PM means, roughly, "runtime
PM or suspend/hibernation support" and some of those functions are
useful regardless of that. For example, they are used by the ACPI
fan driver for controlling fans and acpi_device_set_power() is called
during device removal. Moreover, device initialization may depend on
setting device power states properly.
For these reasons, make the routines manipulating ACPI device power
states defined in drivers/acpi/device_pm.c available for CONFIG_PM
unset too.
Reported-by: Zhang Rui <rui.zhang@intel.com>
Reported-and-tested-by: Michel Lespinasse <walken@google.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: 3.9+ <stable@vger.kernel.org>
A check for a valid plat->sysctrl was introduced in:
2377e52 mfd: ab8500-sysctrl: Error check clean up
but the driver works just fine even without that initialization data,
and enforcing it breaks existing platforms for no reason.
This patch removes the check and let the driver go ahead with probe.
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Fabio Baltieri <fabio.baltieri@linaro.org>
Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
On errors in batadv_mesh_init(), bat_counters will be freed in both
batadv_mesh_free() and batadv_softif_init_late(). This patch fixes this
by returning earlier from batadv_softif_init_late() in case of errors in
batadv_mesh_init() and by setting bat_counters to NULL after freeing.
Signed-off-by: Martin Hundebøll <martin@hundeboll.net>
Signed-off-by: Marek Lindner <lindner_marek@yahoo.de>
Signed-off-by: Antonio Quartulli <ordex@autistici.org>
Pull LED subsystem fix from Bryan Wu.
* 'leds-fixes-3.10' of git://git.kernel.org/pub/scm/linux/kernel/git/cooloney/linux-leds:
leds: leds-gpio: reserve gpio before using it
Pull i2c bugfixes from Wolfram Sang:
"These should have been in rc2 but I missed it due to working on devm
longer than expected.
There is one ID addition, since we are touching the driver anyhow.
And the feature bit documentation is one outcome of a debug session
and will make it easier for users to work around problems. The rest
is typical driver bugfixes."
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
i2c: suppress lockdep warning on delete_device
i2c: mv64xxx: work around signals causing I2C transactions to be aborted
i2c: i801: Document feature bits in modinfo
i2c: designware: add Intel BayTrail ACPI ID
i2c: designware: always clear interrupts before enabling them
i2c: designware: fix RX FIFO overrun
Since commit c8801a8 (regulator: core: Mark all get and enable calls as
__must_check) we need to check the value returned by 'regulator_enable()'.
Do this check to get rid of the following build warning:
drivers/staging/imx-drm/imx-tve.c: In function 'imx_tve_probe':
drivers/staging/imx-drm/imx-tve.c:671:19: warning: ignoring return value of 'regulator_enable', declared with attribute warn_unused_result [-Wunused-result]
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Shawn Guo <shawn.guo@linaro.org>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Without this, I get the following problem when building kernel:
drivers/built-in.o: In function `imx_pd_connector_get_modes':
/linux-2.6/drivers/staging/imx-drm/parallel-display.c:78: undefined reference to `of_get_drm_display_mode'
make: *** [vmlinux] Error 1
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Sascha Hauer <s.hauer@pengutronix.de>
Cc: Philipp Zabel <p.zabel@pengutronix.de>
Cc: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Sascha Hauer <s.hauer@pengutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
mxser_port->opmode_ioaddr is initialized only for MOXA_MUST_MU860_HWID
chips, but no precautions have been undertaken to prevent reading and
writing to undefined port number.
Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This is the same controller as on Intel Lynxpoint but the
ACPI ID is different.
Signed-off-by: Heikki Krogerus <heikki.krogerus@linux.intel.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
There is a race between klist_remove and klist_release. klist_remove
uses a local var waiter saved on stack. When klist_release calls
wake_up_process(waiter->process) to wake up the waiter, waiter might run
immediately and reuse the stack. Then, klist_release calls
list_del(&waiter->list) to change previous
wait data and cause prior waiter thread corrupt.
The patch fixes it against kernel 3.9.
Signed-off-by: wang, biao <biao.wang@intel.com>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
tty_port_init() zeroes out the tty port, which means that we have to set the
ops pointer /after/, not before this call. Otherwise, tty_port_open will crash
when it tries to deref ops, which is now a NULL pointer.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
If NO_DMA=y:
drivers/built-in.o: In function `uio_dmem_genirq_release':
drivers/uio/uio_dmem_genirq.c:95: undefined reference to `dma_free_coherent'
drivers/built-in.o: In function `uio_dmem_genirq_open':
drivers/uio/uio_dmem_genirq.c:61: undefined reference to `dma_alloc_coherent'
Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Hans J. Koch <hjk@hansjkoch.de>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
After cancelling all reads from the disable hook, we need to reset the
event_cb pointer as well or else we won't be able to set a new one up
when re-enabling the device.
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Linux' notion of cpuid is different from the Host's notion of CPUID. In the
call to bind the channel interrupts, we should use the host's notion of
CPU Ids. Fix this bug.
Signed-off-by: K. Y. Srinivasan <kys@microsoft.com>
Cc: Stable <stable@vger.kernel.org> (V3.9)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
The patch 9f81abdac362: "mei: implement mei_cl_connect function"
from Jan 8, 2013, leads to the following static checker warning:
"drivers/misc/mei/main.c:522 mei_ioctl_connect_client()
warn: check 'dev->me_clients[]' for negative offsets (-2)"
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Pull s390 update from Martin Schwidefsky:
"An additional sysfs attribute for channel paths and a couple of bux
fixes"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390/pgtable: fix ipte notify bit
s390/xpram: mark xpram as non-rotational
s390/smp: fix cpu re-scan vs. cpu state
s390/cio: add channel ID sysfs attribute
s390/ftrace: fix mcount adjustment
s390: fix gmap_ipte_notifier vs. software dirty pages
s390: disable pfmf for clear page instruction
s390/disassembler: prevent endless loop in print_fn_code()
s390: remove non existent reference to GENERIC_KERNEL_THREAD
Make it obvious to see what attribute is using bogus permissions.
Signed-off-by: Dave Young <dyoung@redhat.com>
Acked-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Steven Capper