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Correct form is 'always requested'.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
According to Documentation/SubmittingPatches:
"Describe your changes in imperative mood, e.g. "make xyzzy do frotz"
instead of "[This patch] makes xyzzy do frotz" or "[I] changed xyzzy
to do frotz", as if you are giving orders to the codebase to change
its behaviour.
So do as recommended.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Make the sentence sensible.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
According to Documentation/SubmittingPatches:
"Describe your changes in imperative mood, e.g. "make xyzzy do frotz"
instead of "[This patch] makes xyzzy do frotz" or "[I] changed xyzzy
to do frotz", as if you are giving orders to the codebase to change
its behaviour."
So do as recommended.
Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
if()/BUG conversion to BUG_ON must be avoided when there's side effect
in condition. The reason being BUG_ON won't execute the condition when
CONFIG_BUG is not defined.
Inspired-by: J. Bruce Fields <bfields@fieldses.org>
Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr>
Acked-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Fabian Frederick <fabf@skynet.be>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Since commit 1c6c69525b ("genirq: Reject
bogus threaded irq requests") threaded IRQs without a primary handler
need to be requested with IRQF_ONESHOT, otherwise the request will fail.
Until now, this coccinelle script only checked request_threaded_irq().
However, the counterpart devm function (see kernel/irq/devres.c) is also
affected by the missing flag which can be detected with this patch.
Signed-off-by: Valentin Rothberg <valentinrothberg@gmail.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
The comma after --no-includes makes coccinelle to not run the script:
/usr/bin/spatch -D report --very-quiet --no-show-diff --cocci-file ./scripts/coccinelle/misc/bugon.cocci --no-includes, --include-headers --patch . --dir drivers/media/platform/coda/ -I ./arch/x86/include -I arch/x86/include/generated -I include -I ./arch/x86/include/uapi -I arch/x86/include/generated/uapi -I ./include/uapi -I include/generated/uapi -I ./include/linux/kconfig.h
Usage: spatch.opt --sp-file <SP> <infile> [-o <outfile>] [--iso-file <iso>] [options]
Options are:
--sp-file <file> the semantic patch file
-o <file> the output file
--in-place do the modification on the file directly
--backup-suffix suffix to use when making a backup for inplace
...
At least with Fedora 20 coccinelle package:
coccinelle-1.0.0-0.rc20.1.fc21.x86_64
Signed-off-by: Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Tested-by: Wolfram Sang <wsa@the-dreams.de>
Fixes: 5be1df66 (Coccinelle: Script to replace if and BUG with BUG_ON)
Cc: stable@vger.kernel.org
Signed-off-by: Michal Marek <mmarek@suse.cz>
This semantic patch simplifies cases where the effect of the processing of
a function call's return code is just to return the result of the function
directly. It may also delete a local return flag variable, if this is no
longer used.
This was proposed by Uwe Kleine-König.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This script detects cases where BUG() follows an if condition on an
expression and replaces the if condition and BUG() with a BUG_ON having
the conditional expression of the if statement as argument.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This makes an effort to find cases where the argument to sizeof is wrong
in memory allocation functions by checking the type of the allocated
memory when it is a double pointer and ensuring the sizeof argument takes
a pointer to the the memory being allocated. There are false positives
in cases the sizeof argument is not used in constructing the return value.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This script detects cases where ARRAY_SIZE can be used such as
where there is a division of sizeof the array by the sizeof its first
element or by any indexed element or the element type. It replaces the
division of the two sizeofs by ARRAY_SIZE.
Signed-off-by: Himangi Saraogi <himangi774@gmail.com>
Acked-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This semantic patch looks for variables that are initialized with a
constant, are never updated, and are only used as parameter of return.
Return the constant instead of using a variable.
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Failure to terminate an of_device_id table can lead to confusing
failures depending on where the compiler places the array. Add a
check to make sure these tables are terminated. Thanks to Mitchel
Humpherys for coming up with the pattern initially.
Cc: Mitchel Humpherys <mitchelh@codeaurora.org>
Cc: Gilles Muller <Gilles.Muller@lip6.fr>
Cc: Nicolas Palix <nicolas.palix@imag.fr>
Cc: Rob Herring <robh+dt@kernel.org>
Cc: devicetree@vger.kernel.org
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Acked-by: Grant Likely <grant.likely@linaro.org>
Signed-off-by: Julia Lawall <julia.lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
The Coccinelle script scripts/coccinelle/misc/memcpy-assign.cocci look
for opportunities to replace a call to memcpy by a struct assignment.
This patch removes memcpy-assign.cocci as it is not clear that this
convention has an impact on the generated code.
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This semantic patch replaces "return {0,1};" with "return
{false,true};" in functions returning bool.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Acked-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
spatch has changed its option scheme.
E.g., --no_show_diff is now --no-show-diff
This patch updates:
- scripts/coccicheck
- Semantic patches under scripts/coccinelle/
Signed-off-by: Nicolas Palix <nicolas.palix@imag.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Semantic patch (http://coccinelle.lip6.fr/) to check for constants that are
added but are used elsewhere as bitmasks.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
There are error-prone memcpy() that can be replaced by struct
assignment that are type-safe and much easier to read. This semantic
patch looks for memcpy() that can be replaced by struct assignment.
Inspired by patches sent by Ezequiel Garcia <elezegarcia@gmail.com>
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This semantic patch looks for semicolons that can be removed without
changing the semantics of the code. The confidence is moderate
because there are some false positives on cases like:
b/drivers/mmc/host/cb710-mmc.c:589
break;
case MMC_POWER_UP:
default:
- /* ignore */;
}
There are 37 patches accepted reported by this semantic patch and
more than 300 fixes to be applied.
Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Use WARN(1,...) rather than printk followed by WARN(1).
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Since commit 1c6c69525b ("genirq: Reject bogus threaded irq requests") threaded
IRQs without a primary handler need to be requested with IRQF_ONESHOT, otherwise
the request will fail. This semantic patch will help to statically identify
(and fix) such cases.
Signed-off-by: Lars-Peter Clausen <lars@metafoo.de>
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
This patch ensures that all semantic patches in the scripts/coccinelle
directory provide the report option. Report messages that include line
numbers now have the line number preceded by "line" for easier subsequent
processing.
Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr>
Signed-off-by: Michal Marek <mmarek@suse.cz>
For doubleinit.cocci, Coccinelle 0.2.4 requires a comma after ... in a
field list. Coccinelle also now behaves gracefully when a definition is
provided for a virtual that doesn't exist, so there is no need for the
semantic patch code to check for this case.
Updated the documentation to reflect the fact that the best results will
now be obtained with Coccinelle version 0.2.4 or later.
Signed-off-by: Julia Lawall <julia@diku.dk>
Find confusingly indented code in or after an if. An if branch should
be indented. The code following an if should not be indented.
Sometimes, code after an if that is indented is actually intended to be
part of the if branch.
This has a high rate of false positives, because Coccinelle's column
calculation does not distinguish between spaces and tabs, so code that
is not visually aligned may be considered to be in the same column.
Signed-off-by: Nicolas Palix <npalix@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Find duplicate field initializations. This has a high rate of false
positives due to #ifdefs, which Coccinelle is not aware of in a structure
initialization.
Signed-off-by: Nicolas Palix <npalix@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
