Commit c75b81bf authored by Nicolas Palix's avatar Nicolas Palix Committed by Michal Marek
Browse files

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

scripts/coccinelle/null/eno.cocci

0 → 100644
+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