btrfs: fix second lock in btrfs_delete_delayed_items()

Fix a real bug caught by coccinelle. fs/btrfs/delayed-inode.c:1013:1-11: second lock on line 1013 Signed-off-by: Fengguang Wu <fengguang.wu@intel.com>
mariux64 · Aug 28, 2012 · 6209526 · 6209526
1 parent c329861
commit 6209526
Showing 1 changed file with 3 additions and 2 deletions.
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
@@ -1028,9 +1028,10 @@ static int btrfs_delete_delayed_items(struct btrfs_trans_handle *trans,
 		btrfs_release_delayed_item(prev);
 		ret = 0;
 		btrfs_release_path(path);
-		if (curr)
+		if (curr) {
+			mutex_unlock(&node->mutex);
 			goto do_again;
-		else
+		} else
 			goto delete_fail;
 	}