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Commit c75b81bf authored by Nicolas Palix's avatar Nicolas Palix Committed by Michal Marek
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Coccinelle: Add null/eno.cocci



The various basic memory allocation functions don't return ERR_PTR

Signed-off-by: default avatarNicolas Palix <npalix@diku.dk>
Signed-off-by: default avatarJulia Lawall <julia@diku.dk>
Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 5e8e1cc0
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+20 −0
Original line number Diff line number Diff line
/// 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