From: Chris Mason <clm@fb.com>
Date: Wed, 29 Jan 2014 15:02:40 +0000 (-0800)
Subject: Btrfs: fix spin_unlock in check_ref_cleanup
X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=cf93da7bcf450cb4595055d491a0519cb39e68ed;p=openwrt%2Fstaging%2Fblogic.git

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 73b55d94b953..9c9ecc93ae2c 100644
--- 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;
 }