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scripts/coccinelle: check for field address argument to kfree

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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>
This commit is contained in:
Julia Lawall 2013-06-08 18:21:42 +02:00 committed by Michal Marek
parent c00b511026
commit 61cb48c3f9
1 changed files with 32 additions and 0 deletions
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32
scripts/coccinelle/free/kfreeaddr.cocci Normal file
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/// Free of a structure field
///
// Confidence: High
// Copyright: (C) 2013 Julia Lawall, INRIA/LIP6. GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
// Options: -no_includes -include_headers
virtual org
virtual report
virtual context
@r depends on context || report || org @
expression e;
identifier f;
position p;
@@
* kfree@p(&e->f)
@script:python depends on org@
p << r.p;
@@
cocci.print_main("kfree",p)
@script:python depends on report@
p << r.p;
@@
msg = "ERROR: kfree of structure field"
coccilib.report.print_report(p[0],msg)