Ocfs2 devel - Sep 2014 - [PATCH] ocfs2: free vol_lable in ocfs2_delete_osb

osb->vol_label is malloced in ocfs2_initialize_super but not freed if
error occurs or during umount, thus lead to memory leak.

Signed-off-by: Joseph Qi <joseph.qi at huawei.com>
Reviewed-by: joyce.xue <xuejiufei at huawei.com>
---
 fs/ocfs2/super.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index c7a89ce..9197e6a 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2536,6 +2536,7 @@ static void ocfs2_delete_osb(struct ocfs2_super *osb)
 	kfree(osb->journal);
 	kfree(osb->local_alloc_copy);
 	kfree(osb->uuid_str);
+	kfree(osb->vol_label);
 	ocfs2_put_dlm_debug(osb->osb_dlm_debug);
 	memset(osb, 0, sizeof(struct ocfs2_super));
 }
-- 
1.8.4.3