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[thin_dump] Fix warnings on potential NULL pointer

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Ming-Hung Tsai
2021-06-02 13:08:47 +08:00
parent 2e62363446
commit 25ed2dfc9a
3 changed files with 10 additions and 16 deletions
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16
thin-provisioning/thin_dump.cc
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@@ -143,7 +143,6 @@ thin_dump_cmd::run(int argc, char **argv)
int c;
char const *output = NULL;
const char shortopts[] = "hm::o:f:rV";
char *end_ptr;
block_address metadata_snap = 0;
::uint64_t dev_id;
struct flags flags;
@@ -181,13 +180,7 @@ thin_dump_cmd::run(int argc, char **argv)
flags.use_metadata_snap = true;
if (optarg) {
// FIXME: deprecate this option
metadata_snap = strtoull(optarg, &end_ptr, 10);
if (end_ptr == optarg) {
cerr << "couldn't parse <metadata-snap>" << endl;
usage(cerr);
return 1;
}
metadata_snap = parse_uint64(optarg, "metadata-snap");
flags.snap_location = metadata_snap;
}
break;
@@ -197,12 +190,7 @@ thin_dump_cmd::run(int argc, char **argv)
break;
case 1:
dev_id = strtoull(optarg, &end_ptr, 10);
if (end_ptr == optarg) {
cerr << "couldn't parse <dev-id>\n";
usage(cerr);
return 1;
}
dev_id = parse_uint64(optarg, "dev-id");
flags.opts.select_dev(dev_id);
break;