- 13 Nov, 2013 40 commits
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Also, unnecessary lp855x_backlight_unregister() is removed. Signed-off-by:
Jingoo Han <jg1.han@samsung.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler. Signed-off-by:
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Jingoo Han authored
Use devm_backlight_device_register() to make cleanup paths simpler, and remove unnecessary remove(). Signed-off-by:
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Jingoo Han authored
Use the wrapper function for retrieving the platform data instead of accessing dev->platform_data directly. This is a cosmetic change to make the code simpler and enhance the readability. Signed-off-by:
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Jingoo Han authored
Fix the following sparse warning: drivers/video/backlight/lp8788_bl.c:55:25: warning: symbol 'default_bl_config' was not declared. Should it be static? Signed-off-by:
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Jingoo Han authored
Don't mix different enum types to fix the sparse warnings. drivers/video/backlight/lm3639_bl.c:80:51: warning: mixing different enum types drivers/video/backlight/lm3639_bl.c:80:51: int enum lm3639_fleds versus drivers/video/backlight/lm3639_bl.c:80:51: int enum lm3639_bleds drivers/video/backlight/lm3639_bl.c:82:51: warning: mixing different enum types drivers/video/backlight/lm3639_bl.c:82:51: int enum lm3639_fleds versus drivers/video/backlight/lm3639_bl.c:82:51: int enum lm3639_bleds Signed-off-by:
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Jingoo Han authored
Fix the following sparse warnings: drivers/video/backlight/ld9040_gamma.h:172:3: warning: symbol 'gamma_table' was not declared. Should it be static? Signed-off-by:
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Daniel Jeong authored
This patch is to fix sparse warning due to mixing different enum type. Signed-off-by:
Daniel Jeong <gshark.jeong@gmail.com> Cc: Jingoo Han <jg1.han@samsung.com> Signed-off-by:
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Dan Carpenter authored
We dereference "pdata" later in the function so we can't leave it as NULL. Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Acked-by:
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Dan Carpenter authored
"rval" needs to be signed for the error handling to work. Signed-off-by:
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Daniel Jeong authored
The LM3630 chip was revised by TI and chip name was also changed to LM3630A. And register map, default values and initial sequences are changed. The files, lm3630_bl.{c,h} are replaced by lm3630a_bl.{c,h} You can find more information about LM3630A(datasheet, evm etc) at http://www.ti.com/product/lm3630aSigned-off-by: -
Milo Kim authored
LP8555 is one of the LP855x family devices. This device needs pre_init_device() and post_init_device() driver structure. It's same as LP8557, so the device configuration code is shared with LP8557. Backlight outputs are generated from dual DC-DC boost converters. It's configurable EPROM settings which are defined in the platform data. Driver documentation and device tree bindings are updated. Signed-off-by:
Milo Kim <milo.kim@ti.com> Signed-off-by:
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Jean Delvare authored
Zwane Mwaikambo's @arm.linux.org.uk address no longer works. In February 2013 he asked for his gmail address to be used instead [1] so let's just do that. [1] http://marc.info/?l=linux-kernel&m=136079068903214&w=2Signed-off-by:
Jean Delvare <jdelvare@suse.de> Cc: Russell King <rmk+kernel@arm.linux.org.uk> Cc: Zwane Mwaikambo <zwanem@gmail.com> Signed-off-by:
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Jingoo Han authored
Remove Richard Purdie as backlight subsystem maintainer, akpm: Richard is still responsive and is reviewing some of the patches, but appears to agree that listing him as the maintainer is no longer appropriate. [akpm@linux-foundation.org: s/USA/UK/] Signed-off-by:
Richard Purdie <rpurdie@rpsys.net> Signed-off-by:
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Dirk Gouders authored
In one of those comments a typo was fixed, too. Signed-off-by:
Dirk Gouders <dirk@gouders.net> Cc: Joe Perches <joe@perches.com> Signed-off-by:
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Dave Young authored
boot_delay does not work for earlyprintk because the kernel cmdline parsing is late. Change to use early_param so early kernel messages can also be delayed. Signed-off-by:
Dave Young <dyoung@redhat.com> Signed-off-by:
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Ryan Mallon authored
Some setuid binaries will allow reading of files which have read permission by the real user id. This is problematic with files which use %pK because the file access permission is checked at open() time, but the kptr_restrict setting is checked at read() time. If a setuid binary opens a %pK file as an unprivileged user, and then elevates permissions before reading the file, then kernel pointer values may be leaked. This happens for example with the setuid pppd application on Ubuntu 12.04: $ head -1 /proc/kallsyms 00000000 T startup_32 $ pppd file /proc/kallsyms pppd: In file /proc/kallsyms: unrecognized option 'c1000000' This will only leak the pointer value from the first line, but other setuid binaries may leak more information. Fix this by adding a check that in addition to the current process having CAP_SYSLOG, that effective user and group ids are equal to the real ids. If a setuid binary reads the contents of a file which uses %pK then the pointer values will be printed as NULL if the real user is unprivileged. Update the sysctl documentation to reflect the changes, and also correct the documentation to state the kptr_restrict=0 is the default. This is a only temporary solution to the issue. The correct solution is to do the permission check at open() time on files, and to replace %pK with a function which checks the open() time permission. %pK uses in printk should be removed since no sane permission check can be done, and instead protected by using dmesg_restrict. Signed-off-by:
Ryan Mallon <rmallon@gmail.com> Cc: Kees Cook <keescook@chromium.org> Cc: Alexander Viro <viro@zeniv.linux.org.uk> Cc: Joe Perches <joe@perches.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Cc: <stable@vger.kernel.org> Signed-off-by:
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Andrew Morton authored
It was half-and-half. Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: Joe Perches <joe@perches.com> Cc: Kees Cook <keescook@chromium.org> Cc: Tejun Heo <tj@kernel.org> Signed-off-by:
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Kees Cook authored
This reports the names of consoles as they're being disabled to help identify which is which during cut-over. Helps answer the question "which boot console actually got activated?" once the regular console is running, mostly when debugging boot console failures. Signed-off-by:
Kees Cook <keescook@chromium.org> Acked-by:
Frederic Weisbecker <fweisbec@gmail.com> Cc: Joe Perches <joe@perches.com> Cc: Tejun Heo <tj@kernel.org> Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Geert Uytterhoeven authored
It's already available in <linux/interrupt.h> Signed-off-by:
Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Vineet Gupta authored
fpu_counter in task_struct was used only by sh/x86. Both of these now carry it in ARCH specific thread_struct, hence this can now be removed from generic task_struct, shrinking it slightly for other arches. Signed-off-by:
Vineet Gupta <vgupta@synopsys.com> Cc: Ingo Molnar <mingo@kernel.org> Cc: Paul Mundt <paul.mundt@gmail.com> Signed-off-by:
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Vineet Gupta authored
Only a couple of arches (sh/x86) use fpu_counter in task_struct so it can be moved out into ARCH specific thread_struct, reducing the size of task_struct for other arches. Compile tested i386_defconfig + gcc 4.7.3 Signed-off-by:
Ingo Molnar <mingo@kernel.org> Cc: Paul Mundt <paul.mundt@gmail.com> Signed-off-by:
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Vineet Gupta authored
Only a couple of arches (sh/x86) use fpu_counter in task_struct so it can be moved out into ARCH specific thread_struct, reducing the size of task_struct for other arches. Compile tested sh defconfig + sh4-linux-gcc (4.6.3) Signed-off-by:
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Roel Kluin authored
if (unlikely(x) > 0) doesn't seem to help branch prediction Signed-off-by:
Roel Kluin <roel.kluin@gmail.com> Cc: Raghavendra K T <raghavendra.kt@linux.vnet.ibm.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: "H. Peter Anvin" <hpa@linux.intel.com> Cc: Ingo Molnar <mingo@kernel.org> Signed-off-by:
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Geert Uytterhoeven authored
Commit 15d94b82 ("reboot: move shutdown/reboot related functions to kernel/reboot.c") moved all kexec-related functionality to kernel/reboot.c, so kernel/sys.c no longer needs to include <linux/kexec.h>. Signed-off-by:
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Chen Gang authored
The wrapper function delayacct_add_tsk() already checked 'tsk->delays', and __delayacct_add_tsk() has no another direct callers, so can remove the redundancy checking code. And the label 'done' is also useless, so remove it, too. Signed-off-by:
Chen Gang <gang.chen@asianux.com> Signed-off-by:
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Michal Nazarewicz authored
getenv() may return NULL if given environment variable does not exist which leads to NULL dereference when calling strncat. Besides that, the environment variable name was copied to a temporary env_var buffer, but this copying can be avoided by simply using the input string. Lastly, the whole loop can be greatly simplified by using the snprintf function instead of the playing with strncat. By the way, the current implementation allows a recursive variable expansion, as in: $ echo 'out ${A} out ' | A='a ${B} a' B=b /tmp/a out a b a out I'm assuming this is just a side effect and not a conscious decision (especially as this may lead to infinite loop), but I didn't want to change this behaviour without consulting. If the current behaviour is deamed incorrect, I'll be happy to send a patch without recursive processing. Signed-off-by:Michal Nazarewicz <mina86@mina86.com> Cc: Kees Cook <keescook@chromium.org> Cc: Jiri Kosina <jkosina@suse.cz> Cc: Jesper Juhl <jj@codesealer.com> Signed-off-by:
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