Lines Matching refs:NULL

135 #define ETHARP_SET_HINT(netif, hint)  if (((netif) != NULL) && ((netif)->addr_hint != NULL))  \
158   LWIP_ASSERT("q != NULL", q != NULL);
159   LWIP_ASSERT("q->p != NULL", q->p != NULL);
163     LWIP_ASSERT("r->p != NULL", (r->p != NULL));
182   if (arp_table[i].q != NULL) {
186     arp_table[i].q = NULL;
193   arp_table[i].netif = NULL;
252  * If ipaddr is NULL, return a initialized new entry in state ETHARP_EMPTY.
310         if (arp_table[i].q != NULL) {
369       LWIP_ASSERT("arp_table[i].q == NULL", arp_table[i].q == NULL);
396   if (ipaddr != NULL) {
493   while (arp_table[i].q != NULL) {
504   if (arp_table[i].q != NULL) {
506     arp_table[i].q = NULL;
535   if (netif == NULL) {
608   LWIP_ASSERT("eth_ret != NULL && ip_ret != NULL",
609     eth_ret != NULL && ip_ret != NULL);
634  * @return NULL
644   LWIP_ERROR("netif != NULL", (netif != NULL), return;);
683  * @return NULL
699   LWIP_ERROR("netif != NULL", (netif != NULL), return;);
885   LWIP_ASSERT("netif != NULL", netif != NULL);
886   LWIP_ASSERT("q != NULL", q != NULL);
887   LWIP_ASSERT("ipaddr != NULL", ipaddr != NULL);
945     if (netif->addr_hint != NULL) {
1001  * @param q If non-NULL, a pbuf that must be delivered to the IP address.
1054   if ((arp_table[i].state == ETHARP_STATE_PENDING) || (q == NULL)) {
1063     if (q == NULL) {
1069   LWIP_ASSERT("q != NULL", q != NULL);
1096       if(p != NULL) {
1099           p = NULL;
1108     if (p != NULL) {
1114       if (new_entry != NULL) {
1117         if(arp_table[i].q != NULL) {
1121           while (r->next != NULL) {
1139       if (arp_table[i].q != NULL) {
1189   LWIP_ASSERT("netif != NULL", netif != NULL);
1194   if (p == NULL) {
1243   p = NULL;