Btrfs-progs: fix arguments check of qgroup limit
diff mbox

Message ID 201209120430.AA00006@FM-323941448.jp.fujitsu.com
State New, archived
Headers show

Commit Message

Tsutomu Itoh Sept. 12, 2012, 4:30 a.m. UTC
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>
---
 cmds-qgroup.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)


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Patch
diff mbox

diff --git a/cmds-qgroup.c b/cmds-qgroup.c
index 15534ea..1525c11 100644
--- a/cmds-qgroup.c
+++ b/cmds-qgroup.c
@@ -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;