btrfs-progs: Add missing close_ctree to btrfs-select-super.c

Add missing close_ctree() to btrfs-select-super.c to avoid memory leak.

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

diff --git a/btrfs-select-super.c b/btrfs-select-super.c
index bd44978..df74153 100644 (file)
--- a/btrfs-select-super.c
+++ b/btrfs-select-super.c
@@ -102,6 +102,7 @@ int main(int ac, char **av)
         */
        printf("using SB copy %llu, bytenr %llu\n", (unsigned long long)num,
               (unsigned long long)bytenr);
+       close_ctree(root);
        btrfs_close_all_devices();
        return ret;
 }