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configfs: move the dereference below the NULL test 

The dereference should be moved below the NULL test.

spatch with a semantic match is used to found this.
(http://coccinelle.lip6.fr/)

Signed-off-by: Wei Yongjun <yongjun_wei@trendmicro.com.cn>
Cc: Joel Becker <jlbec@evilplan.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Wei Yongjun 2013-02-21 16:42:43 -08:00 committed by Linus Torvalds
parent 1b2643f0d0
commit 49deb4bc22
1 changed files with 3 additions and 2 deletions
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5
fs/configfs/dir.c
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@ -1037,10 +1037,11 @@ static int configfs_dump(struct configfs_dirent *sd, int level)
static int configfs_depend_prep(struct dentry *origin,
struct config_item *target)
{
struct configfs_dirent *child_sd, *sd = origin->d_fsdata;
struct configfs_dirent *child_sd, *sd;
int ret = 0;
BUG_ON(!origin || !sd);
BUG_ON(!origin || !origin->d_fsdata);
sd = origin->d_fsdata;
if (sd->s_element == target) /* Boo-yah */
goto out;