mirror of https://gitee.com/openkylin/linux.git
41 lines
849 B
Plaintext
41 lines
849 B
Plaintext
/// Use kmemdup rather than duplicating its implementation
|
|
///
|
|
// 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
|
|
|
|
@r1@
|
|
expression from,to;
|
|
expression flag;
|
|
position p;
|
|
@@
|
|
|
|
to = \(kmalloc@p\|kzalloc@p\)(strlen(from) + 1,flag);
|
|
|
|
@r2@
|
|
expression x,from,to;
|
|
expression flag,E1;
|
|
position p;
|
|
@@
|
|
|
|
x = strlen(from) + 1;
|
|
... when != \( x = E1 \| from = E1 \)
|
|
to = \(kmalloc@p\|kzalloc@p\)(x,flag);
|
|
|
|
@@
|
|
expression from,to,size,flag;
|
|
position p != {r1.p,r2.p};
|
|
statement S;
|
|
@@
|
|
|
|
- to = \(kmalloc@p\|kzalloc@p\)(size,flag);
|
|
+ to = kmemdup(from,size,flag);
|
|
if (to==NULL || ...) S
|
|
- memcpy(to, from, size);
|