Kernel/linux-next
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git synced 2025-01-18 06:15:12 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

sysfs: make sysfs_put() ignore NULL sd

Browse Source 
Make sysfs_put() ignore NULL sd instead of oopsing.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
This commit is contained in:
Tejun Heo 2007-06-14 03:45:13 +09:00 committed by Greg Kroah-Hartman
parent 2b611bb7ab
commit 7a23ad4404
1 changed files with 1 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
fs/sysfs/sysfs.h
View File

@ -111,7 +111,7 @@ static inline struct sysfs_dirent * sysfs_get(struct sysfs_dirent * sd)
static inline void sysfs_put(struct sysfs_dirent * sd)
{
if (atomic_dec_and_test(&sd->s_count))
if (sd && atomic_dec_and_test(&sd->s_count))
release_sysfs_dirent(sd);
}