Btrfs: fix bh leak on __btrfs_open_devices path

'bh' is forgot to release if no error is detected

Signed-off-by: Xiao Guangrong <xiaoguangrong@cn.fujitsu.com>
Signed-off-by: Chris Mason <chris.mason@oracle.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index deca1a0326ada0915830a9682bcc8a9fd4a77c22..290100fc47bea48422108775b33a3e7397c6ba76 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -597,6 +597,7 @@ static int __btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
                        list_add(&device->dev_alloc_list,
                                 &fs_devices->alloc_list);
                }
+               brelse(bh);
                continue;
 
 error_brelse: