diff options
Diffstat (limited to 'sbin/ipfw')
-rw-r--r-- | sbin/ipfw/ipfw2.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/sbin/ipfw/ipfw2.c b/sbin/ipfw/ipfw2.c index 2c12189a69d6..47c4a59005a8 100644 --- a/sbin/ipfw/ipfw2.c +++ b/sbin/ipfw/ipfw2.c @@ -5309,6 +5309,8 @@ ipfw_readfile(int ac, char *av[]) */ av += optind - 1; ac -= optind - 1; + if (ac < 2) + errx(EX_USAGE, "no filename argument"); av[ac-1] = NULL; fprintf(stderr, "command is %s\n", av[0]); break; |