btrfs: fix second lock in btrfs_delete_delayed_items()

Author: Fengguang Wu <fengguang.wu@intel.com>

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

---
 fs/btrfs/delayed-inode.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)
 
diff --git a/fs/btrfs/delayed-inode.c b/fs/btrfs/delayed-inode.c
index 335605c..00deed4e 100644
--- 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;
 	}

btrfs: fix second lock in btrfs_delete_delayed_items()

qlambert

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