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Diffstat (limited to 'scripts/coccinelle/null/eno.cocci')
| -rw-r--r-- | scripts/coccinelle/null/eno.cocci | 20 |
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 |