[patch] CIFS: double unlock in cifs_lock_add_if()

[Dan Carpenter]

We unlocked "cinode->lock_mutex" twice so I've removed the first
unlock.

Signed-off-by: Dan Carpenter <dan.carpenter at oracle.com>

diff --git a/fs/cifs/file.c b/fs/cifs/file.c
index ea096ce..b8dbab8 100644
--- a/fs/cifs/file.c
+++ b/fs/cifs/file.c
@@ -775,11 +775,9 @@ try_again:
 					(lock->blist.next == &lock->blist));
 		if (!rc)
 			goto try_again;
-		else {
-			mutex_lock(&cinode->lock_mutex);
-			list_del_init(&lock->blist);
-			mutex_unlock(&cinode->lock_mutex);
-		}
+
+		mutex_lock(&cinode->lock_mutex);
+		list_del_init(&lock->blist);
 	}
 
 	kfree(lock);