Lines Matching refs:NULL

130   if (netif != NULL) {
136   for (netif = netif_list; netif != NULL; netif = netif->next) {
145   if ((netif_default == NULL) || (!netif_is_up(netif_default))) {
150     return NULL;
222   if (netif == NULL) {
393       netif = NULL;
424         if ((netif->autoip != NULL) &&
442     } while(netif != NULL);
455   if (netif == NULL) {
489   if (netif == NULL) {
514     if (p == NULL) {
607   current_netif = NULL;
608   current_header = NULL;
618  * IP address is NULL, the IP address of the outgoing network
646   return ip_output_if_opt(p, src, dest, ttl, tos, proto, netif, NULL, 0);
722     /* dest cannot be NULL here */
748       /* src cannot be NULL here */
827   if ((netif = ip_route(dest)) == NULL) {
867   if ((netif = ip_route(dest)) == NULL) {
876   NETIF_SET_HWADDRHINT(netif, NULL);