if (ports[portid] >= nb_ports) {
printf("\nSpecified port ID(%u) exceeds max system port ID(%u)\n",
ports[portid], (nb_ports - 1));
ports[portid] = INVALID_PORT_ID;
if (ports[portid] >= nb_ports) {
printf("\nSpecified port ID(%u) exceeds max system port ID(%u)\n",
ports[portid], (nb_ports - 1));
ports[portid] = INVALID_PORT_ID;