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btrfs-progs: dump-tree: fix crash on unrecognized tree id

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Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
David Sterba 2016-10-19 12:38:10 +02:00
parent dcc3df7e6d
commit a0fabf5f1d
1 changed files with 12 additions and 11 deletions
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23
cmds-inspect-dump-tree.c
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@ -260,26 +260,27 @@ int cmd_inspect_dump_tree(int argc, char **argv)
case 'b':
block_only = arg_strtou64(optarg);
break;
case 't':
if (string_is_numerical(optarg)) {
tree_id = arg_strtou64(optarg);
} else {
const char *end = NULL;
case 't': {
const char *end = NULL;
if (string_is_numerical(optarg))
tree_id = arg_strtou64(optarg);
else
tree_id = treeid_from_string(optarg, &end);
if (*end) {
error("unexpected tree id suffix of '%s': %s\n",
optarg, end);
exit(1);
}
}
if (!tree_id) {
error("unrecognized tree id: %s\n",
optarg);
exit(1);
}
if (end && *end) {
error("unexpected tree id suffix of '%s': %s",
optarg, end);
exit(1);
}
break;
}
default:
usage(cmd_inspect_dump_tree_usage);
}