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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>
hifive-unleashed-5.1
Nicolas Palix 2010-08-24 17:38:55 +02:00 committed by Michal Marek
parent 5e8e1cc0a1
commit c75b81bffa
1 changed files with 20 additions and 0 deletions
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scripts/coccinelle/null/eno.cocci 100644
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/// 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