btrfs-progs: image: close all_devices at the end

Devices opened by check_mounted() in main() should closed before
the exit of btrfs-image.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/btrfs-image.c b/btrfs-image.c
index 551487f..82eed05 100644 (file)
--- a/btrfs-image.c
+++ b/btrfs-image.c
@@ -2881,5 +2881,7 @@ out:
                }
        }
 
+       btrfs_close_all_devices();
+
        return !!ret;
 }