From 562f63e9a4583c887012dff782924110b1d1fd6b Mon Sep 17 00:00:00 2001 From: Denys Vlasenko Date: Mon, 8 Jan 2018 10:14:17 +0100 Subject: dhcprelay: code shrink function old new delta dhcprelay_main 961 958 -3 Signed-off-by: Denys Vlasenko --- networking/udhcp/dhcprelay.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'networking/udhcp/dhcprelay.c') diff --git a/networking/udhcp/dhcprelay.c b/networking/udhcp/dhcprelay.c index 4d5644093..86dcb1af0 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); -- cgit v1.2.3