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* scripts/coccinelle/free/ifnullfree.cocci: add copyright informationFabian Frederick2014-08-081-2/+3
| | | | | | | | | | All coccinelle scripts have a copyright in the header. Signed-off-by: Fabian Frederick <fabf@skynet.be> Suggested-by: Julia Lawall <Julia.Lawall@lip6.fr> Acked-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* scripts/coccinelle/free: add NULL test before freeing functionsFabian Frederick2014-08-081-0/+52
| | | | | | | | | | | | | | | | | Warns or generates patch for NULL check before the following functions: kfree usb_free_urb debugfs_remove debugfs_remove_recursive Signed-off-by: Fabian Frederick <fabf@skynet.be> Acked-by: Julia Lawall <Julia.Lawall@lip6.fr> Cc: Gilles Muller <Gilles.Muller@lip6.fr> Cc: Joe Perches <joe@perches.com> Cc: Markus Elfring <elfring@users.sourceforge.net> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Coccinelle: Update the options used to the new option schemeNicolas Palix2013-07-033-3/+3
| | | | | | | | | | | | 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>
* scripts: Coccinelle script for pci_free_consistent()strnape1@fel.cvut.cz2013-07-031-0/+52
| | | | | | | | Created coccinelle script for reporting missing pci_free_consistent() calls. Signed-off-by: Petr Strnad <strnape1@fel.cvut.cz> Signed-off-by: Nicolas Palix <nicolas.palix@imag.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* scripts/coccinelle: check for field address argument to kfreeJulia Lawall2013-06-141-0/+32
| | | | | | | The argument to kfree should not be the address of a structure field. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* coccinelle: semantic patch for missing iounmapJulia Lawall2012-02-251-0/+67
| | | | | Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* coccinelle: semantic patch for missing clk_putJulia Lawall2012-02-251-0/+67
| | | | | Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* scripts/coccinelle: improve the coverage of some semantic patchesJulia Lawall2012-01-151-5/+9
| | | | | | | | | | 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>
* coccinelle: semantic patches related to devm_ functions (part 2)Julia Lawall2012-01-141-0/+71
| | | | | | | | | devm_ functions allocate memory that is to remain allocated until the device is detached. This patch checks for freeing of such memory using standard memory freeing functions. Signed-off-by: Julia Lawall <Julia.Lawall@lip6.fr> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Coccinelle: Use new comment format to explain kfree.cocciNicolas Palix2010-10-131-4/+5
| | | | | | | | | Use new comment format to separate proposed commit message and information about generated false positives Signed-off-by: Nicolas Palix <npalix.work@gmail.com> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Coccinelle: Add free/kfree.cocciNicolas Palix2010-08-311-0/+116
Find a use after free. Values of variables may imply that some execution paths are not possible, resulting in false positives. Another source of false positives are macros such as SCTP_DBG_OBJCNT_DEC that do not actually evaluate their argument Signed-off-by: Nicolas Palix <npalix@diku.dk> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Michal Marek <mmarek@suse.cz>
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