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Btrfs-progs: fix arguments check of qgroup limit

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Segmentation fault occurred in the following command.

 # btrfs qgroup limit
 Segmentation fault

So, we should check a minimum number of arguments.

Signed-off-by: Tsutomu Itoh <t-itoh@jp.fujitsu.com>
This commit is contained in:
Tsutomu Itoh 2012-09-12 13:30:19 +09:00 committed by David Sterba
parent 605e806166
commit d88f33152f
1 changed files with 3 additions and 0 deletions
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3
cmds-qgroup.c
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@ -374,6 +374,9 @@ static int cmd_qgroup_limit(int argc, char **argv)
}
}
if (check_argc_min(argc - optind, 2))
usage(cmd_qgroup_limit_usage);
if (!parse_limit(argv[optind], &size)) {
fprintf(stderr, "Invalid size argument given\n");
return 1;