diff options
| -rw-r--r-- | btrfs-debug-tree.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/btrfs-debug-tree.c b/btrfs-debug-tree.c index e46500d8..9cdb35f9 100644 --- a/btrfs-debug-tree.c +++ b/btrfs-debug-tree.c @@ -179,6 +179,12 @@ int main(int ac, char **av) if (check_argc_exact(ac, 1)) print_usage(); + ret = check_arg_type(av[optind]); + if (ret != BTRFS_ARG_BLKDEV) { + fprintf(stderr, "'%s' is not a block device\n", av[optind]); + exit(1); + } + info = open_ctree_fs_info(av[optind], 0, 0, OPEN_CTREE_PARTIAL); if (!info) { fprintf(stderr, "unable to open %s\n", av[optind]); |