- 03 Jul, 2013 40 commits
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Mathias Krause authored
When writing invalid input to 'debug/kprobes/enabled' it'll silently be ignored. Even worse, when writing an empty string to this file, the outcome is purely random as the switch statement will make its decision based on the value of an uninitialized stack variable. Fix this by handling invalid/empty input as error returning -EINVAL. Signed-off-by:
Mathias Krause <minipli@googlemail.com> Cc: Ananth N Mavinakayanahalli <ananth@in.ibm.com> Cc: Anil S Keshavamurthy <anil.s.keshavamurthy@intel.com> Cc: "David S. Miller" <davem@davemloft.net> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com> Signed-off-by:
Andrew Morton <akpm@linux-foundation.org> Signed-off-by:
Linus Torvalds <torvalds@linux-foundation.org>
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Toralf Förster authored
Trivial, but it really looks better. Signed-off-by:
Toralf Förster <toralf.foerster@gmx.de> Signed-off-by:
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Steven Rostedt authored
do_one_initcall() uses a 64 byte string buffer to save a message. This buffer is declared static and is only used at boot up and when a module is loaded. As 64 bytes is very small, and this function has very limited scope, there's no reason to waste permanent memory with this string and not just simply put it on the stack. Signed-off-by:
Steven Rostedt <rostedt@goodmis.org> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Signed-off-by:
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Joe Perches authored
Add a file to cache the CamelCase variables found by <commit> to reduce the time it takes to scan the include/ directory. Filename is '.checkpatch-camelcase.<commit>' and it is created only only if a .git directory exists. <commit> is determined by the last non-merge commit id in the include/ path. Reduces checkpatch run time by ~12 cpu seconds on my little netbook. Signed-off-by:
Joe Perches <joe@perches.com> Signed-off-by:
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Jacob Keller authored
The current $logFunction regular expression allows names like dev_warn, e_dbg, netdev_info, etc, but some log functions are now written like e_dev_warn, so allow 1 or 2 word blocks with an underscore before the logging level. Signed-off-by:
Jacob Keller <jacob.e.keller@intel.com> Tested-by:
Aaron Brown <aaron.f.brown@intel.com> Signed-off-by:
Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by:
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Joe Perches authored
When using --strict, CamelCase uses are described with CHECK: messages. These CamelCase uses may be acceptable and should not generate these messages when the variable is already defined in a file from the include/... path. So, change checkpatch to read all the .h files in include/... and look for preexisting CamelCase #defines, typedefs and function prototypes. Add these to the existing camelcase hash so that any uses in the patch or file can be ignored. There are currently ~3500 files in include/. It takes about 10 cpu seconds on my little netbook to grep for and preseed these existing uses. That's about 4x the time for a similar git grep. This preseeding is only done once when using --strict and only when there is a CamelCase use found. If a .git directory is found, it uses 'git ls-files include' If not, it uses 'find $root/include -name "*.h" Signed-off-by:
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Joe Perches authored
Many existing variable names use SI like variants that should be otherwise obvious and acceptable. Whitelist them from the CamelCase message. Signed-off-by:
Phil Carmody <phil.carmody@partner.samsung.com> Acked-by:
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Joe Perches authored
Moving this test allows the --fix option to work better. Signed-off-by:
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Joe Perches authored
Some patches have simple defects in whitespace and formatting that checkpatch could correct automatically. Attempt to do so. Add a --fix option to create a "<inputfile>.EXPERIMENTAL-checkpatch-fixes" file that tries to use normal kernel style for some of these formatting errors. Add warnings against using this file without verifying the changes. Signed-off-by:
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Joe Perches authored
Some false positives exist on this test. For instance: *va_arg(args, signed char *) = val.s; or memset(foo, 0, sizeof(struct bar *) * baz)); Ignore lines that have an arithmetic operator or assignment after what appears to be a cast to a pointer "(foo *)". Add $Arithmetic convenience variable. Signed-off-by:
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Joe Perches authored
Comparing to true or false is error prone. Add tests for the various forms of (foo == true) && (false != bar) that are only reported with --strict. Signed-off-by:
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Joe Perches authored
Check to make sure the blank lines aren't comment lines like: bool foo(bool bar) { /* Don't warn on a leading comment */ return !bar; /* Don't warn on a trailing comment either */ } Signed-off-by: -
Joe Perches authored
Figure out first how to determine if this is in a struct declaration or in a function body before enabling this. Signed-off-by:
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Joe Perches authored
Allow "#define foo struct.member" without bleating a warning. This also allows "#define foo bar.baz->qux" and so on. Signed-off-by:
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Joe Perches authored
Comparing get_jiffies_64() is almost always wrong and time_before64 and time_after64 should be used instead. Warn on any comparison to get_jiffies_64(). Signed-off-by:
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Joe Perches authored
Comparing jiffies is almost always wrong and time_before and time_after should be used instead. Warn on any comparison to jiffies. Signed-off-by:
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Joe Perches authored
Some block comments in network are written as: /* block comment line 1 block comment line 2 */ Emit a warning on the "block comment line 2" because it should be /* block comment line 1 * block comment line 2 */ This warning is only emitted on the second line of a block comment. Signed-off-by:
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Joe Perches authored
Show the first line of the comment after a line with just /* to better show where the defective comment style is in the file. Signed-off-by:
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Joe Perches authored
Commit be987d9f ("checkpatch: improve CamelCase test for Page") added it but it shouldn't be there. Must have been my fault. Make sure that the tested variable doesn't contain a constant. Signed-off-by:
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Joe Perches authored
Add another test for memory allocation style to follow Documentation/CodingStyle: Chapter 14: Allocating memory The preferred form for passing a size of a struct is the following: p = kmalloc(sizeof(*p), ...); Signed-off-by:
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Joe Perches authored
The gcc extension for binary constants that start with 0b is only supported with gcc version 4.3 or higher. The kernel can still be compiled with earlier versions of gcc, so have checkpatch emit a warning for these constants. Restructure checkpatch's constant finding code a bit to support finding these binary constants. Signed-off-by:
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Joe Perches authored
Do not bleat a message on nominally acceptable CamelCase uses that are separated by an _ like drm_core_has_MTRR. CamelCase tests are also a bit noisy against certain types of code acceptable to some kernel developers. Make the test applicable only with --strict. Signed-off-by:
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Fan Du authored
__this_cpu_write doesn't need to be protected by spinlock, AS we are doing per cpu write with preempt disabled. And another reason to remove __this_cpu_write outside of spinlock: __percpu_counter_sum is not an accurate counter. Signed-off-by:
Fan Du <fan.du@windriver.com> Signed-off-by:
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Dave Jones authored
Signed-off-by:
Dave Jones <davej@redhat.com> Cc: Stanislav Yakovlev <stas.yakovlev@gmail.com> Cc: "John W. Linville" <linville@tuxdriver.com> Signed-off-by:
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Dave Jones authored
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Shuah Khan authored
Convert drivers/video/backlight/class to use dev_pm_ops for power management and remove Legacy PM ops hooks. With this change, backlight class registers suspend/resume callbacks via class->pm (dev_pm_ops) instead of Legacy class->suspend/resume. When __device_suspend() runs call-backs, it will find class->pm ops for the backlight class. [jg1.han@samsung.com: add CONFIG_PM_SLEEP to suspend/resume functions] Signed-off-by:
Shuah Khan <shuah.kh@samsung.com> Signed-off-by:
Jingoo Han <jg1.han@samsung.com> Cc: Shuah Khan <shuahkhan@gmail.com> Cc: Jingoo Han <jg1.han@samsung.com> Cc: Shuah Khan <shuahkhan@gmail.com> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by:
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Jingoo Han authored
Add myself as co-maintainer for the backlight subsystem. Signed-off-by:
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Jingoo Han authored
These functions allow the driver core to automatically clean up any allocation made by lcd drivers. Thus it simplifies the error paths. Signed-off-by:
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Jingoo Han authored
These functions allow the driver core to automatically clean up any allocation made by backlight drivers. Thus it simplifies the error paths. Signed-off-by:
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Jingoo Han authored
The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d063 ("device-core: Ensure drvdata = NULL when no driver is bound"). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by:
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Jingoo Han authored
The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d063 ("device-core: Ensure drvdata = NULL when no driver is bound"). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by:
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Jingoo Han authored
The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d063 ("device-core: Ensure drvdata = NULL when no driver is bound"). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by:
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Jingoo Han authored
The driver core clears the driver data to NULL after device_release or on probe failure, since commit 0998d063 ("device-core: Ensure drvdata = NULL when no driver is bound"). Thus, it is not needed to manually clear the device driver data to NULL. Signed-off-by:
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Jean Delvare authored
The masks for the st and osst tape drivers in MAINTAINERS are too broad and include unrelated files. Make the file list accurate so that maintainers of these drivers aren't bothered with unrelated work. Signed-off-by:
Jean Delvare <jdelvare@suse.de> Cc: Willem Riede <osst@riede.org> Cc: Kai Mäkisara <Kai.Makisara@kolumbus.fi> Cc: "James E.J. Bottomley" <JBottomley@parallels.com> Signed-off-by:
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Dimitri Sivanich authored
"req.val1 == -1" is valid but it doesn't make sense to check gru_base[-1]. gru_base[] is a global array. Signed-off-by:
Dimitri Sivanich <sivanich@sgi.com> Cc: Dan Carpenter <dan.carpenter@oracle.com> Cc: Robin Holt <holt@sgi.com> Signed-off-by:
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Bartlomiej Zolnierkiewicz authored
There have never been any real users of MEMSET operations since they have been introduced in January 2007 by commit 7405f74b ("dmaengine: refactor dmaengine around dma_async_tx_descriptor"). Therefore remove support for them for now, it can be always brought back when needed. [sebastian.hesselbarth@gmail.com: fix drivers/dma/mv_xor] Signed-off-by:
Bartlomiej Zolnierkiewicz <b.zolnierkie@samsung.com> Signed-off-by:
Kyungmin Park <kyungmin.park@samsung.com> Signed-off-by:
Sebastian Hesselbarth <sebastian.hesselbarth@gmail.com> Cc: Vinod Koul <vinod.koul@intel.com> Acked-by:
Dan Williams <djbw@fb.com> Cc: Tomasz Figa <t.figa@samsung.com> Cc: Herbert Xu <herbert@gondor.apana.org.au> Cc: Olof Johansson <olof@lixom.net> Cc: Kevin Hilman <khilman@linaro.org> Signed-off-by:
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Jani Nikula authored
This replaceable mainboard only has a VGA-out, yet it claims to also have a connected LVDS header. Addresses https://bugs.freedesktop.org/show_bug.cgi?id=65256Signed-off-by:
Jani Nikula <jani.nikula@intel.com> Reported-by:
Cornel Panceac <cpanceac@gmail.com> Cc: Chris Wilson <chris@chris-wilson.co.uk> Cc: <annndddrr@gmail.com> Acked-by:
Daniel Vetter <daniel.vetter@ffwll.ch> Cc: Greg KH <greg@kroah.com> Signed-off-by:
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Chris Wilson authored
This replaceable mainboard only has a VGA-out, yet it claims to also have a connected LVDS header. Addresses https://bugs.freedesktop.org/show_bug.cgi?id=63860 [jani.nikula@intel.com: use DMI_EXACT_MATCH for board name.] Signed-off-by:
Chris Wilson <chris@chris-wilson.co.uk> Signed-off-by:
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Jani Nikula authored
dmi_match() considers a substring match to be a successful match. This is not always sufficient to distinguish between DMI data for different systems. Add support for exact string matching using strcmp() in addition to the substring matching using strstr(). The specific use case in the i915 driver is to allow us to use an exact match for D510MO, without also incorrectly matching D510MOV: { .ident = "Intel D510MO", .matches = { DMI_MATCH(DMI_BOARD_VENDOR, "Intel"), DMI_EXACT_MATCH(DMI_BOARD_NAME, "D510MO"), }, } Signed-off-by: -
Oleg Nesterov authored
Change do_sysinfo() to use get_monotonic_boottime() instead of do_posix_clock_monotonic_gettime() + monotonic_to_bootbased(). Signed-off-by:
Oleg Nesterov <oleg@redhat.com> Cc: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by:
John Stultz <johnstul@us.ibm.com> Cc: Tomas Janousek <tjanouse@redhat.com> Cc: Tomas Smetana <tsmetana@redhat.com> Signed-off-by:
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