// Copyright: (C) 2010-2012 Gilles Muller, INRIA/LiP6. GPLv2.
// URL: http://coccinelle.lip6.fr/
// Comments:
-// Options: -no_includes -include_headers
+// Options: --no-includes --include-headers
virtual patch
virtual context
virtual report
@depends on patch@
-expression from,to,size,flag;
+expression from,to,size;
identifier l1,l2;
@@
-- to = \(kmalloc\|kzalloc\)(size,flag);
+- to = \(kmalloc\|kzalloc\)(size,GFP_KERNEL);
+ to = memdup_user(from,size);
if (
- to==NULL
- }
@r depends on !patch@
-expression from,to,size,flag;
+expression from,to,size;
position p;
statement S1,S2;
@@
-* to = \(kmalloc@p\|kzalloc@p\)(size,flag);
+* to = \(kmalloc@p\|kzalloc@p\)(size,GFP_KERNEL);
if (to==NULL || ...) S1
if (copy_from_user(to, from, size) != 0)
S2