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authorJulia Lawall <Julia.Lawall@lip6.fr>2013-06-08 18:21:42 +0200
committerMichal Marek <mmarek@suse.cz>2013-06-14 15:33:08 +0200
commit61cb48c3f93adee633f996dd40ff5267fae55b3a (patch)
treebb1d936f1e059ffe5ba579ddefea379502bc13bd /scripts
parentc00b511026eba6a8c58588043d59fec25c06c098 (diff)
downloadlinux-linaro-stable-61cb48c3f93adee633f996dd40ff5267fae55b3a.tar.gz
scripts/coccinelle: check for field address argument to kfree
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>
Diffstat (limited to 'scripts')
-rw-r--r--scripts/coccinelle/free/kfreeaddr.cocci32
1 files changed, 32 insertions, 0 deletions
diff --git a/scripts/coccinelle/free/kfreeaddr.cocci b/scripts/coccinelle/free/kfreeaddr.cocci
new file mode 100644
index 000000000000..662e997da834
--- /dev/null
+++ b/scripts/coccinelle/free/kfreeaddr.cocci
@@ -0,0 +1,32 @@
+/// 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)