diff options
| -rw-r--r-- | networking/udhcp/dhcprelay.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c index 4d56440..86dcb1a 100644 --- a/networking/udhcp/dhcprelay.c +++ b/networking/udhcp/dhcprelay.c @@ -254,7 +254,7 @@ static void pass_to_client(struct dhcp_packet *p, int packet_len, int *fds) } int dhcprelay_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE; -int dhcprelay_main(int argc, char **argv) +int dhcprelay_main(int argc UNUSED_PARAM, char **argv) { struct sockaddr_in server_addr; char **iface_list; @@ -269,11 +269,11 @@ int dhcprelay_main(int argc, char **argv) server_addr.sin_port = htons(SERVER_PORT); /* dhcprelay CLIENT_IFACE1[,CLIENT_IFACE2...] SERVER_IFACE [SERVER_IP] */ - if (argc == 4) { + if (!argv[1] || !argv[2]) + bb_show_usage(); + if (argv[3]) { if (!inet_aton(argv[3], &server_addr.sin_addr)) bb_perror_msg_and_die("bad server IP"); - } else if (argc != 3) { - bb_show_usage(); } iface_list = make_iface_list(argv + 1, &num_sockets); |