dhcprelay: code shrink

function                                             old     new   delta
dhcprelay_main                                       961     958      -3

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>

1 files changed, 4 insertions, 4 deletions

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);