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>

diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 335605c..00deed4 100644 (file)
--- a/fs/btrfs/delayed-inode.c
+++ b/fs/btrfs/delayed-inode.c
@@ -1028,9 +1028,10 @@ do_again:
                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;
        }