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-rw-r--r--sbin/atacontrol/atacontrol.c24
1 files changed, 15 insertions, 9 deletions
diff --git a/sbin/atacontrol/atacontrol.c b/sbin/atacontrol/atacontrol.c
index 7e6d8b0..d5440d6 100644
--- a/sbin/atacontrol/atacontrol.c
+++ b/sbin/atacontrol/atacontrol.c
@@ -348,14 +348,19 @@ main(int argc, char **argv)
int disk, dev, offset;
iocmd.cmd = ATARAIDCREATE;
- if (!strcmp(argv[2], "RAID0") || !strcmp(argv[2], "stripe"))
- iocmd.u.raid_setup.type = 1;
- if (!strcmp(argv[2], "RAID1") || !strcmp(argv[2],"mirror"))
- iocmd.u.raid_setup.type = 2;
- if (!strcmp(argv[2], "RAID0+1"))
- iocmd.u.raid_setup.type = 3;
- if (!strcmp(argv[2], "SPAN") || !strcmp(argv[2], "JBOD"))
- iocmd.u.raid_setup.type = 4;
+ if (argc > 2) {
+ if (!strcmp(argv[2], "RAID0") ||
+ !strcmp(argv[2], "stripe"))
+ iocmd.u.raid_setup.type = 1;
+ if (!strcmp(argv[2], "RAID1") ||
+ !strcmp(argv[2],"mirror"))
+ iocmd.u.raid_setup.type = 2;
+ if (!strcmp(argv[2], "RAID0+1"))
+ iocmd.u.raid_setup.type = 3;
+ if (!strcmp(argv[2], "SPAN") ||
+ !strcmp(argv[2], "JBOD"))
+ iocmd.u.raid_setup.type = 4;
+ }
if (!iocmd.u.raid_setup.type) {
fprintf(stderr, "atacontrol: Invalid RAID type\n");
fprintf(stderr, "atacontrol: Valid RAID types : \n");
@@ -365,7 +370,8 @@ main(int argc, char **argv)
}
if (iocmd.u.raid_setup.type & 1) {
- if (!sscanf(argv[3], "%d",
+ if (argc < 4 ||
+ !sscanf(argv[3], "%d",
&iocmd.u.raid_setup.interleave) == 1) {
fprintf(stderr, "atacontrol: Invalid interleave\n");
exit(EX_USAGE);
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