btrfs-progs: Add all missing btrfs_close_all_devices to standalone tools

This patch add all missing btrfs_close_all_devices() to standalone
tools in btrfs progs, to avoid memory leak.

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

1 files changed, 1 insertions, 0 deletions

diff --git a/btrfstune.c b/btrfstune.c
index c248ee6b..0907aa9e 100644
--- a/btrfstune.c
+++ b/btrfstune.c
@@ -548,6 +548,7 @@ int main(int argc, char *argv[])
 	}
 out:
 	close_ctree(root);
+	btrfs_close_all_devices();
 
 	return ret;
 }