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authorMichal Marek <mmarek@suse.cz>2011-03-09 16:15:44 +0100
committerMichal Marek <mmarek@suse.cz>2011-03-09 16:15:44 +0100
commit2d8ad8719591fa803b0d589ed057fa46f49b7155 (patch)
tree4ae051577dad1161c91dafbf4207bb10a9dc91bb /scripts/coccinelle/null/eno.cocci
parent9b4ce7bce5f30712fd926ab4599a803314a07719 (diff)
parentc56eb8fb6dccb83d9fe62fd4dc00c834de9bc470 (diff)
downloadlinux-2d8ad8719591fa803b0d589ed057fa46f49b7155.tar.bz2
Merge commit 'v2.6.38-rc1' into kbuild/packaging
Diffstat (limited to 'scripts/coccinelle/null/eno.cocci')
-rw-r--r--scripts/coccinelle/null/eno.cocci20
1 files changed, 20 insertions, 0 deletions
diff --git a/scripts/coccinelle/null/eno.cocci b/scripts/coccinelle/null/eno.cocci
new file mode 100644
index 000000000000..4c9c52b9c413
--- /dev/null
+++ b/scripts/coccinelle/null/eno.cocci
@@ -0,0 +1,20 @@
+/// The various basic memory allocation functions don't return ERR_PTR
+///
+// Confidence: High
+// Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
+// Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
+// Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
+// URL: http://coccinelle.lip6.fr/
+// Comments:
+// Options: -no_includes -include_headers
+
+virtual patch
+
+@@
+expression x,E;
+@@
+
+x = \(kmalloc\|kzalloc\|kcalloc\|kmem_cache_alloc\|kmem_cache_zalloc\|kmem_cache_alloc_node\|kmalloc_node\|kzalloc_node\)(...)
+... when != x = E
+- IS_ERR(x)
++ !x