Btrfs: fix spin_unlock in check_ref_cleanup

Our goto out should have gone a little farther.

Signed-off-by: Chris Mason <clm@fb.com>

diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c
index 73b55d9..9c9ecc9 100644 (file)
--- a/fs/btrfs/extent-tree.c
+++ b/fs/btrfs/extent-tree.c
@@ -5893,7 +5893,7 @@ static noinline int check_ref_cleanup(struct btrfs_trans_handle *trans,
        spin_lock(&delayed_refs->lock);
        head = btrfs_find_delayed_ref_head(trans, bytenr);
        if (!head)
-               goto out;
+               goto out_delayed_unlock;
 
        spin_lock(&head->lock);
        if (rb_first(&head->ref_root))
@@ -5942,6 +5942,8 @@ static noinline int check_ref_cleanup(struct btrfs_trans_handle *trans,
        return ret;
 out:
        spin_unlock(&head->lock);
+
+out_delayed_unlock:
        spin_unlock(&delayed_refs->lock);
        return 0;
 }