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| author | Nicolas Palix <npalix@diku.dk> | 2010-08-24 17:38:55 +0200 |
|---|---|---|
| committer | Michal Marek <mmarek@suse.cz> | 2010-08-31 11:37:52 +0200 |
| commit | c75b81bffa0a9493a24ae61d0c52f85e4043c183 (patch) | |
| tree | 352ca7c50e93d28a8c4f16d7f0ca5d8e0f758ae9 /scripts/coccinelle | |
| parent | 5e8e1cc0a1c36c8ff156ac1f04a16422bd4ed3ac (diff) | |
| download | lwn-c75b81bffa0a9493a24ae61d0c52f85e4043c183.tar.gz lwn-c75b81bffa0a9493a24ae61d0c52f85e4043c183.zip | |
Coccinelle: Add null/eno.cocci
The various basic memory allocation functions don't return ERR_PTR
Signed-off-by: Nicolas Palix <npalix@diku.dk>
Signed-off-by: Julia Lawall <julia@diku.dk>
Signed-off-by: Michal Marek <mmarek@suse.cz>
Diffstat (limited to 'scripts/coccinelle')
| -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 |