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[thin_rmap] Fail if no regions are supplied.

This commit is contained in:
Joe Thornber 2017-09-19 11:05:00 +01:00
parent f7d79339e8
commit 3790f2e79c
1 changed files with 6 additions and 0 deletions
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6
thin-provisioning/thin_rmap.cc
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@ -180,6 +180,12 @@ thin_rmap_cmd::run(int argc, char **argv)
exit(1);
}
if (!regions.size()) {
cerr << "No regions provided." << endl;
usage(cerr);
exit(1);
}
return rmap(argv[optind], regions);
}