Messages in this thread Patch in this message | | | From | Greg Kroah-Hartman <> | Subject | [PATCH 24/61] sysfs: make sysfs_put() ignore NULL sd | Date | Wed, 11 Jul 2007 16:31:43 -0700 |
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From: Tejun Heo <htejun@gmail.com>
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> --- fs/sysfs/sysfs.h | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/fs/sysfs/sysfs.h b/fs/sysfs/sysfs.h index 687d959..f4fdbbf 100644 --- a/fs/sysfs/sysfs.h +++ b/fs/sysfs/sysfs.h @@ -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); } -- 1.5.2.2 - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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