1 /// Use kmemdup_user rather than duplicating its implementation
2 /// This is a little bit restricted to reduce false positives
5 // Copyright: (C) 2010 Nicolas Palix, DIKU. GPLv2.
6 // Copyright: (C) 2010 Julia Lawall, DIKU. GPLv2.
7 // Copyright: (C) 2010 Gilles Muller, INRIA/LiP6. GPLv2.
8 // URL: http://coccinelle.lip6.fr/
10 // Options: -no_includes -include_headers
15 expression from,to,size,flag;
20 - to = \(kmalloc@p\|kzalloc@p\)(size,flag);
21 + to = memdup_user(from,size);
26 <+... when != goto l1;
31 - if (copy_from_user(to, from, size) != 0) {
32 - <+... when != goto l2;