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>

1 files changed, 1 insertions, 0 deletions

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index deca1a0326ad..290100fc47be 100644
--- 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: