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Little cleanups. Enum value ANDROID_ALARM_TYPE_COUNT was treated as
an alarm type within a switch statement. That condition was unreachable
though.
Signed-off-by: Dae S. Kim <dae@velatum.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Removes an inconsequential conditional macro.
Cc: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Silence the following warning:
drivers/staging/android/binder.c:368:5: warning:
symbol 'task_get_unused_fd_flags' was not declared. Should it be static?
Cc: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Previously, there were simply comments after each part - Now, it is
completed properly according to "Kernel doc" Sorry in advance if I made
any mistakes.
Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Cruz Julian Bishop <cruzjbishop@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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as the init and exit functions just do a platform_driver_register and
platform_driver_unregister, and nothing else, so its better to
use the module_platform_driver macro rather replicating its implementation
Signed-off-by: Devendra Naga <develkernel412222@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Change printk() messages to pr_* macros.
Signed-off-by: Sherwin Soltani <sherwin@wybc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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All the functionality is now supported by pstore and pstore_ram drivers.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Devendra Naga <devendra.aaru@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fixes the following sparse warning:
drivers/staging/android/alarm-dev.c:259:35: warning: Using plain integer as NULL pointer
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Warnings reported by checkpatch.pl have been fixed.
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Rename a macro to make it explicit it's for debugging.
Use %s: __func__ instead of embedding function names.
Coalesce formats, align arguments.
Signed-off-by: Joe Perches <joe@perches.com>
Acked-by: David Rientjes <rientjes@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now tmpfs supports hole-punching via fallocate(), switch madvise_remove()
to use do_fallocate() instead of vmtruncate_range(): which extends
madvise(,,MADV_REMOVE) support from tmpfs to ext4, ocfs2 and xfs.
There is one more user of vmtruncate_range() in our tree,
staging/android's ashmem_shrink(): convert it to use do_fallocate() too
(but if its unpinned areas are already unmapped - I don't know - then it
would do better to use shmem_truncate_range() directly).
Based-on-patch-by: Cong Wang <amwang@redhat.com>
Signed-off-by: Hugh Dickins <hughd@google.com>
Cc: Christoph Hellwig <hch@infradead.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Colin Cross <ccross@android.com>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Greg Kroah-Hartman <gregkh@linux-foundation.org>
Cc: "Theodore Ts'o" <tytso@mit.edu>
Cc: Andreas Dilger <adilger@dilger.ca>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Ben Myers <bpm@sgi.com>
Cc: Michael Kerrisk <mtk.manpages@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media
Pull media updates from Mauro Carvalho Chehab:
- some V4L2 API updates needed by embedded devices
- DVB API extensions for ATSC-MH delivery system, used in US for mobile
TV
- new tuners for fc0011/0012/0013 and tua9001
- a new dvb driver for af9033/9035
- a new ATSC-MH frontend (lg2160)
- new remote controller keymaps
- Removal of a few legacy webcam driver that got replaced by gspca on
several kernel versions ago
- a new driver for Exynos 4/5 webcams(s5pp fimc-lite)
- a new webcam sensor driver (smiapp)
- a new video input driver for embedded (sta2x1xx)
- several improvements, fixes, cleanups, etc inside the drivers.
Manually fix up conflicts due to err() -> dev_err() conversion in
drivers/staging/media/easycap/easycap_main.c
* 'v4l_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (484 commits)
[media] saa7134-cards: Remove a PCI entry added by mistake
[media] radio-sf16fmi: add support for SF16-FMD
[media] rc-loopback: remove duplicate line
[media] patch for Asus My Cinema PS3-100 (1043:48cd)
[media] au0828: Move the Kconfig knob under V4L_USB_DRIVERS
[media] em28xx: simple comment fix
[media] [resend] radio-sf16fmr2: add PnP support for SF16-FMD2
[media] smiapp: Use v4l2_ctrl_new_int_menu() instead of v4l2_ctrl_new_custom()
[media] smiapp: Add support for 8-bit uncompressed formats
[media] smiapp: Allow generic quirk registers
[media] smiapp: Use non-binning limits if the binning limit is zero
[media] smiapp: Initialise rval in smiapp_read_nvm()
[media] smiapp: Round minimum pre_pll up rather than down in ip_clk_freq check
[media] smiapp: Use 8-bit reads only before identifying the sensor
[media] smiapp: Quirk for sensors that only do 8-bit reads
[media] smiapp: Pass struct sensor to register writing commands instead of i2c_client
[media] smiapp: Allow using external clock from the clock framework
[media] zl10353: change .read_snr() to report SNR as a 0.1 dB
[media] media: add support to gspca/pac7302.c for 093a:2627 (Genius FaceCam 300)
[media] m88rs2000 - only flip bit 2 on reg 0x70 on 16th try
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree changes from Greg Kroah-Hartman:
"Here is the big staging tree pull request for the 3.5-rc1 merge
window.
Loads of changes here, and we just narrowly added more lines than we
added:
622 files changed, 28356 insertions(+), 26059 deletions(-)
But, good news is that there is a number of subsystems that moved out
of the staging tree, to their respective "real" portions of the
kernel.
Code that moved out was:
- iio core code
- mei driver
- vme core and bridge drivers
There was one broken network driver that moved into staging as a step
before it is removed from the tree (pc300), and there was a few new
drivers added to the tree:
- new iio drivers
- gdm72xx wimax USB driver
- ipack subsystem and 2 drivers
All of the movements around have acks from the various subsystem
maintainers, and all of this has been in the linux-next tree for a
while.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
Fixed up various trivial conflicts, along with a non-trivial one found
in -next and pointed out by Olof Johanssen: a clean - but incorrect -
merge of the arch/arm/boot/dts/at91sam9g20.dtsi file. Fix up manually
as per Stephen Rothwell.
* tag 'staging-3.5-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (536 commits)
Staging: bcm: Remove two unused variables from Adapter.h
Staging: bcm: Removes the volatile type definition from Adapter.h
Staging: bcm: Rename all "INT" to "int" in Adapter.h
Staging: bcm: Fix warning: __packed vs. __attribute__((packed)) in Adapter.h
Staging: bcm: Correctly format all comments in Adapter.h
Staging: bcm: Fix all whitespace issues in Adapter.h
Staging: bcm: Properly format braces in Adapter.h
Staging: ipack/bridges/tpci200: remove unneeded casts
Staging: ipack/bridges/tpci200: remove TPCI200_SHORTNAME constant
Staging: ipack: remove board_name and bus_name fields from struct ipack_device
Staging: ipack: improve the register of a bus and a device in the bus.
staging: comedi: cleanup all the comedi_driver 'detach' functions
staging: comedi: remove all 'default N' in Kconfig
staging: line6/config.h: Delete unused header
staging: gdm72xx depends on NET
staging: gdm72xx: Set up parent link in sysfs for gdm72xx devices
staging: drm/omap: initial dmabuf/prime import support
staging: drm/omap: dmabuf/prime mmap support
pstore/ram: Add ECC support
pstore/ram: Switch to persistent_ram routines
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This is a first step for adding ECC support for pstore RAM backend: we
will use the persistent_ram routines, kindly provided by Google.
Basically, persistent_ram is a set of helper routines to deal with the
[optionally] ECC-protected persistent ram regions.
A bit of Makefile, Kconfig and header files adjustments were needed
because of the move.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a transition patch to keep things bisectable, just moves
some routines under '#ifndef MODULE'. The code inside the #ifndef
will go away soon, but so far we must support pstore and ram_console.
So, we are about to use persistent_ram with pstore, with the ability
to compile persistent_ram routines as modules. Some parts of
persistent_ram uses memblock_reserve() routine, which is should be
only used built-in code, and thus it is not exported.
These persistent_ram bits are only used by Android's ram_console,
which is always built-in.
Without this patch, we won't able to compile persistent_ram as a
module:
ERROR: "memblock_reserve" [fs/pstore/ramoops.ko] undefined!
make[1]: *** [__modpost] Error 1
make: *** [modules] Error 2
(As alternative, we could export memblock_reserve, but the thing
is: we won't need it later.)
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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persistent_ram_zone members
Remove 'old_log_footer_size' and 'early' members of struct
persistent_ram_zone, as these were never used at all.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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A corresponding function to persistent_ram_new().
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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bootmem
This includes devices' memory (e.g. framebuffers or memory mapped
EEPROMs on a local bus), as well as the normal RAM that we don't use
for the main memory.
For the normal (but unused) ram we could use kmaps, but this assumes
highmem support, so we don't bother and just use the memory via
ioremap.
As a side effect, the following hack is possible: when used together
with pstore_ram (new ramoops) module, we can limit the normal RAM region
with mem= and then point ramoops to use the rest of the memory, e.g.
mem=128M ramoops.mem_address=0x8000000
Sure, we could just reserve the region with memblock_reserve() early in
the arch/ code, and then register a pstore_ram platform device pointing
to the reserved region. It's still a viable option if platform wants
to do so.
Also, we might want to use IO accessors in case of a real device,
but for now we don't bother (the old ramoops wasn't using it either, so
at least we don't make things worse).
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Factor out vmap logic out of persistent_ram_buffer_map(), this will
make the code a bit more understandable when we'll add support for
non-bootmem memory.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The routine just creates a persistent ram zone at a specified address.
For persistent_ram_init_ringbuffer() we'd need to add a
'struct persistent_ram' to the global list, and associate it with a
device. We don't need all this complexity in pstore_ram, so we introduce
the simple function.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Factor post init logic out of __persistent_ram_init(), we'll need
it for the new persistent_ram_new() routine.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This is a longstanding bug, almost unnoticeable when calling
persistent_ram_write() for small buffers.
But when called for large data buffers, the write routine behaves
incorrectly, as the size may never update: instead of clamping
the size to the maximum buffer size, buffer_size_add_clamp() returns
an error (which is never checked by the write routine, btw).
To fix this, we now use buffer_size_add() that actually clamps the
size to the max value.
Also remove buffer_size_add_clamp(), it is no longer needed.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Acked-by: Colin Cross <ccross@android.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The 'node' struct member is unused, so remove it.
Signed-off-by: Anton Vorontsov <anton.vorontsov@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix a few sparse warnings, and improve whitespace.
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Tim Bird <tim.bird@am.sony.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This changes the log initialization to be dynamic, but still
at boot time. These changes are a predecessor to implementing
runtime allocation and freeing of logs, to make the Android logger
less hard-coded.
Change from a fixed set of static log structures, to allocation
at init time into a list. Return proper error numbers on log
allocation failure.
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Tim Bird <tim.bird@am.sony.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This was done to resolve a merge issue with the init/main.c file.
Reported-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This resolves the conflict in:
drivers/staging/vt6656/ioctl.c
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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device is unregistered
(Life cycle of timed output device driver)
1) register the device as the timed output
2) enable() ops is called via the sysfs
timeout > 0 : timer is activated and device is turned on
timeout = 0 : timer is cancelled and device is off
3) unregister the timed output device if not used any more
So the registered device should be disabled explicitly when the module is removed.
('disabled' means the timer is stopped and the device is turned off)
Rather than implementing that code in each driver,
just call enable() with timeout = 0 to clean up the driver.
Signed-off-by: Milo(Woogyom) Kim <milo.kim@ti.com>
Cc: Mike Lockwood <lockwood@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix sparse warnings by adding __user annotation to stucts.
This patch fixes the the following sparse warnings:
drivers/staging/android/binder.c:1343:76: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1343:76:
expected void [noderef] <asn:1>*ptr
drivers/staging/android/binder.c:1343:76: got void *binder
drivers/staging/android/binder.c:1567:57: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1567:57:
expected void const [noderef] <asn:1>*from
drivers/staging/android/binder.c:1567:57:
got void const *buffer
drivers/staging/android/binder.c:1573:46: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1573:46:
expected void const [noderef] <asn:1>*from
drivers/staging/android/binder.c:1573:46:
got void const *offsets
drivers/staging/android/binder.c:1603:76: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1603:76:
expected void [noderef] <asn:1>*ptr
drivers/staging/android/binder.c:1603:76: got void *binder
drivers/staging/android/binder.c:1605:64: warning:
incorrect type in argument 2 (different address spaces)
drivers/staging/android/binder.c:1605:64:
expected void [noderef] <asn:1>*ptr
drivers/staging/android/binder.c:1605:64: got void *binder
drivers/staging/android/binder.c:1605:76: warning:
incorrect type in argument 3 (different address spaces)
drivers/staging/android/binder.c:1605:76:
expected void [noderef] <asn:1>*cookie
drivers/staging/android/binder.c:1605:76: got void *cookie
drivers/staging/android/binder.c:1613:40: error:
incompatible types in comparison
Signed-off-by: Emil Goode <emilgoode@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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In their current AOSP tree, the Android in-kernel wakelock
infrastructure has been reimplemented in terms of wakeup
sources:
http://git.linaro.org/gitweb?p=people/jstultz/android.git;a=commitdiff;h=e9911f4efdc55af703b8b3bb8c839e6f5dd173bb
The Android alarm driver currently has stubbed out calls
to wakelock functionality. So this patch simply converts
the stubbed out wakelock calls to wakeup source calls, and
removes the empty wakelock macros
Greg, would you mind queuing this in staging-next?
CC: Colin Cross <ccross@android.com>
CC: Arve Hjønnevåg <arve@android.com>
CC: Greg KH <gregkh@linuxfoundation.org>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Because extcon can also be a switch class for legacy userspace (Android)
and is a superset of switch class in drivers/staging/android/switch,
switch class may be removed.
- Remove switch class
- Remove switch class consideration in extcon class
Signed-off-by: MyungJoo Ham <myungjoo.ham@samsung.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Now that alarm-dev.c uses the upstreamed alarmtimer interfaces,
we can remove the otherwise unused in-kernel android alarm api.
CC: Colin Cross <ccross@android.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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This reworks the alarm-dev.c to use the upstreamed alarmtimers
interface.
CC: Colin Cross <ccross@android.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The ALARM_ELAPSED_REALTIME clock domain in Android pointed
to the need for something similar in linux system-wide
(instead of limited to just the alarm interface).
Thus CLOCK_BOOTTIME was introduced into the upstream kernel
in 2.6.39.
This patch attempts to convert the android alarm timer to utilize
the kernel's CLOCK_BOOTTIME clockid for ALARM_ELAPSED_REALTIME,
instead of managing it itself.
CC: Colin Cross <ccross@android.com>
CC: Thomas Gleixner <tglx@linutronix.de>
CC: Android Kernel Team <kernel-team@android.com>
Signed-off-by: John Stultz <john.stultz@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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* tag 'v3.4-rc3': (3755 commits)
Linux 3.4-rc3
x86-32: fix up strncpy_from_user() sign error
ARM: 7386/1: jump_label: fixup for rename to static_key
ARM: 7384/1: ThumbEE: Disable userspace TEEHBR access for !CONFIG_ARM_THUMBEE
ARM: 7382/1: mm: truncate memory banks to fit in 4GB space for classic MMU
ARM: 7359/2: smp_twd: Only wait for reprogramming on active cpus
PCI: Fix regression in pci_restore_state(), v3
SCSI: Fix error handling when no ULD is attached
ARM: OMAP: clock: cleanup CPUfreq leftovers, fix build errors
ARM: dts: remove blank interrupt-parent properties
ARM: EXYNOS: Fix Kconfig dependencies for device tree enabled machine files
do not export kernel's NULL #define to userspace
ARM: EXYNOS: Remove broken config values for touchscren for NURI board
ARM: EXYNOS: set fix xusbxti clock for NURI and Universal210 boards
ARM: EXYNOS: fix regulator name for NURI board
ARM: SAMSUNG: make SAMSUNG_PM_DEBUG select DEBUG_LL
cpufreq: OMAP: fix build errors: depends on ARCH_OMAP2PLUS
sparc64: Eliminate obsolete __handle_softirq() function
sparc64: Fix bootup crash on sun4v.
ARM: msm: Fix section mismatches in proc_comm.c
...
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Fix printk format warnings by using 't' modifier for ptrdiff_t.
drivers/staging/android/alarm.c:344:2: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'
drivers/staging/android/alarm.c:367:3: warning: format '%ld' expects type 'long int', but argument 2 has type 'int'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Fix spelling typo in comments within android drivers.
Signed-off-by: Masanari Iida <standby24x7@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging
Pull staging tree fixes from Greg KH:
"Here are a number of bugfixes for the drivers/staging/ portion of the
kernel that have been reported recently.
Nothing major here, with maybe the exception of the ramster code can
now be built so it is enabled in the build again, and lots of memory
leaks that people like to have fixed on their systems.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>"
* tag 'staging-3.4-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging:
staging: android: fix mem leaks in __persistent_ram_init()
staging: vt6656: Don't leak memory in drivers/staging/vt6656/ioctl.c::private_ioctl()
staging: iio: hmc5843: Fix crash in probe function.
staging/xgifb: fix display on XGI Volari Z11m cards
Staging: android: timed_gpio: Fix resource leak in timed_gpio_probe error paths
android: make persistent_ram based drivers depend on HAVE_MEMBLOCK
staging: iio: ak8975: Remove i2c client data corruption
staging: drm/omap: move where DMM driver is registered
staging: zsmalloc: fix memory leak
Staging: rts_pstor: off by one in for loop
staging: ozwpan: Added new maintainer for ozwpan
staging:rts_pstor:Avoid "Bad target number" message when probing driver
staging:rts_pstor:Fix possible panic by NULL pointer dereference
Staging: vt6655-6: check keysize before memcpy()
staging/media/as102: Don't call release_firmware() on uninitialized variable
staging:iio:core add missing increment of loop index in iio_map_array_unregister()
staging: ramster: unbreak my heart
staging/vme: Fix module parameters
staging: sep: Fix sign of error
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If, in __persistent_ram_init(), the call to
persistent_ram_buffer_init() fails or the call to
persistent_ram_init_ecc() fails then we fail to free the memory we
allocated to 'prz' with kzalloc() - thus leaking it.
To prevent the leaks I consolidated all error exits from the function
at a 'err:' label at the end and made all error cases jump to that
label where we can then make sure we always free 'prz'. This is safe
since all the situations where the code bails out happen before 'prz'
has been stored anywhere and although we'll do a redundant kfree(NULL)
call in the case of kzalloc() itself failing that's OK since kfree()
deals gracefully with NULL pointers and I felt it was more important
to keep all error exits at a single location than to avoid that one
harmless/redundant kfree() on a error path.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Colin Cross <ccross@android.com>
Cc: stable <stable@vger.kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Signed-off-by: Konstantin Khlebnikov <khlebnikov@openvz.org>
Cc: linux-media@vger.kernel.org
Cc: devel@driverdev.osuosl.org
Cc: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Cc: Mauro Carvalho Chehab <mchehab@infradead.org>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: "Arve Hjønnevåg" <arve@android.com>
Acked-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Acked-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
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Fix printk format warnings in android/persistent_ram.c:
drivers/staging/android/persistent_ram.c:426:4: warning: format '%ld' expects type 'long int', but argument 2 has type 'size_t'
drivers/staging/android/persistent_ram.c:426:4: warning: format '%ld' expects type 'long int', but argument 3 has type 'size_t'
drivers/staging/android/persistent_ram.c:430:4: warning: format '%ld' expects type 'long int', but argument 2 has type 'size_t'
drivers/staging/android/persistent_ram.c:430:4: warning: format '%ld' expects type 'long int', but argument 3 has type 'size_t'
Signed-off-by: Randy Dunlap <rdunlap@xenotime.net>
Cc: Brian Swetland <swetland@google.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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If gpio_request fails, we need to free all allocated resources.
Current code uses wrong array index to access gpio_data array.
So current code actually frees gpio_data[i].gpio by j times.
This patch moves the error handling code to err_out and thus improves
readability.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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m68k doesn't have memblock_reserve, which causes a build failure
with allmodconfig. Make PERSISTENT_RAM and RAM_CONSOLE depend on
HAVE_MEMBLOCK.
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Reported-by: Paul Gortmaker <paul.gortmaker@windriver.com>
Signed-off-by: Colin Cross <ccross@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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The task handoff notifier leaks task_struct since it never gets freed
after the callback returns NOTIFY_OK, which means it is responsible for
doing so.
It turns out the lowmemorykiller actually doesn't need this notifier at
all. It's used to prevent unnecessary killing by waiting for a thread
to exit as a result of lowmem_shrink(), however, it's possible to do
this in the same way the kernel oom killer works by setting TIF_MEMDIE
and avoid killing if we're still waiting for it to exit.
The kernel oom killer will already automatically set TIF_MEMDIE for
threads that are attempting to allocate memory that have a fatal signal.
The thread selected by lowmem_shrink() will have such a signal after the
lowmemorykiller sends it a SIGKILL, so this won't result in an
unnecessary use of memory reserves for the thread to exit.
This has the added benefit that we don't have to rely on
CONFIG_PROFILING to prevent needlessly killing tasks.
Reported-by: Werner Landgraf <w.landgraf@ru.ru>
Cc: stable@vger.kernel.org
Signed-off-by: David Rientjes <rientjes@google.com>
Acked-by: Colin Cross <ccross@android.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x32 support for x86-64 from Ingo Molnar:
"This tree introduces the X32 binary format and execution mode for x86:
32-bit data space binaries using 64-bit instructions and 64-bit kernel
syscalls.
This allows applications whose working set fits into a 32 bits address
space to make use of 64-bit instructions while using a 32-bit address
space with shorter pointers, more compressed data structures, etc."
Fix up trivial context conflicts in arch/x86/{Kconfig,vdso/vma.c}
* 'x86-x32-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (71 commits)
x32: Fix alignment fail in struct compat_siginfo
x32: Fix stupid ia32/x32 inversion in the siginfo format
x32: Add ptrace for x32
x32: Switch to a 64-bit clock_t
x32: Provide separate is_ia32_task() and is_x32_task() predicates
x86, mtrr: Use explicit sizing and padding for the 64-bit ioctls
x86/x32: Fix the binutils auto-detect
x32: Warn and disable rather than error if binutils too old
x32: Only clear TIF_X32 flag once
x32: Make sure TS_COMPAT is cleared for x32 tasks
fs: Remove missed ->fds_bits from cessation use of fd_set structs internally
fs: Fix close_on_exec pointer in alloc_fdtable
x32: Drop non-__vdso weak symbols from the x32 VDSO
x32: Fix coding style violations in the x32 VDSO code
x32: Add x32 VDSO support
x32: Allow x32 to be configured
x32: If configured, add x32 system calls to system call tables
x32: Handle process creation
x32: Signal-related system calls
x86: Add #ifdef CONFIG_COMPAT to <asm/sys_ia32.h>
...
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Fix build error when CONFIG_PRINTK is not selected.
Reported-by: Randy Dunlap <rdunlap@xenotime.net>
Acked-by: Randy Dunlap <rdunlap@xenotime.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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binder_update_page_range could read freed memory if the vma of the
selected process was freed right before the check that the vma
belongs to the mm struct it just locked.
If the vm_mm pointer in that freed vma struct had also been rewritten
with a value that matched the locked mm struct, then the code would
proceed and possibly modify the freed vma.
Signed-off-by: Arve Hjønnevåg <arve@android.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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