]> err.no Git - linux-2.6/commit
drivers/video/fsl-diu-fb.c: add missing of_node_put
authorJulia Lawall <julia@diku.dk>
Tue, 5 Aug 2008 20:01:28 +0000 (13:01 -0700)
committerLinus Torvalds <torvalds@linux-foundation.org>
Tue, 5 Aug 2008 21:33:49 +0000 (14:33 -0700)
commit5394ba0fd892291eb425649fdbc82b673e0b7956
tree4e3cf7193d796bd84619bcdecc3cad51c4151e81
parent9bd6ceb666e76b9a3caefa158827a571ead55b6a
drivers/video/fsl-diu-fb.c: add missing of_node_put

of_node_put is needed before discarding a value received from
of_find_node_by_type, eg in error handling code.

The semantic patch that makes the change is as follows:
(http://www.emn.fr/x-info/coccinelle/)

// <smpl>
@@
struct device_node *n;
struct device_node *n1;
struct device_node *n2;
statement S;
identifier f1,f2;
expression E1,E2;
constant C;
@@

n = of_find_node_by_type(...)
...
if (!n) S
... when != of_node_put(n)
    when != n1 = f1(n,...)
    when != E1 = n
    when any
    when strict
(
+ of_node_put(n);
  return -C;
|
  of_node_put(n);
|
  n2 = f2(n,...)
|
  E2 = n
|
  return ...;
)
// </smpl>

Signed-off-by: Julia Lawall <julia@diku.dk>
Acked-by: Krzysztof Helt <krzysztof.h1@wp.pl>
Cc: Timur Tabi <timur@freescale.com>
Cc: York Sun <yorksun@freescale.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
drivers/video/fsl-diu-fb.c