Lines Matching refs:NULL

235   result = etharp_query(netif, &dhcp->offered_ip_addr, NULL);
342   while (netif != NULL) {
344     if (netif->dhcp != NULL) {
373   while (netif != NULL) {
375     if (netif->dhcp != NULL) {
589   LWIP_ASSERT("netif != NULL", netif != NULL);
590   LWIP_ASSERT("dhcp != NULL", dhcp != NULL);
591   LWIP_ASSERT("netif already has a struct dhcp set", netif->dhcp == NULL);
608   LWIP_ASSERT("netif != NULL", netif != NULL);
610   if (netif->dhcp != NULL) {
612     netif->dhcp = NULL;
634   LWIP_ERROR("netif != NULL", (netif != NULL), return ERR_ARG;);
654   if (dhcp == NULL) {
657     if (dhcp == NULL) {
667     if (dhcp->pcb != NULL) {
670     LWIP_ASSERT("pbuf p_out wasn't freed", dhcp->p_out == NULL);
671     LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL );
679   if (dhcp->pcb == NULL) {
718   LWIP_ERROR("netif != NULL", (netif != NULL), return;);
723   if ((netif->dhcp != NULL) && (netif->dhcp->pcb != NULL)) {
728     if (pcb == NULL) {
754   if (dhcp.pcb != NULL) {
805   LWIP_ERROR("netif != NULL", (netif != NULL), return;);
808   if ((netif->dhcp != NULL) && (netif->dhcp->state == DHCP_CHECKING)) {
932   LWIP_ERROR("dhcp_bind: netif != NULL", (netif != NULL), return;);
934   LWIP_ERROR("dhcp_bind: dhcp != NULL", (dhcp != NULL), return;);
1223   LWIP_ERROR("dhcp_stop: netif != NULL", (netif != NULL), return;);
1230   if (dhcp != NULL) {
1238     if (dhcp->pcb != NULL) {
1240       dhcp->pcb = NULL;
1242     LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL);
1307   if (netif->hostname != NULL) {
1368   while((q != NULL) && (options_idx >= q->len)) {
1373   if (q == NULL) {
1380   while((q != NULL) && (options[offset] != DHCP_OPTION_END) && (offset < offset_max)) {
1390       len = (q->next != NULL ? ((u8_t*)q->next->payload)[0] : 0);
1513       /* make sure the string is really NULL-terminated */
1553   LWIP_ASSERT("reply wasn't freed", dhcp->msg_in == NULL);
1629   dhcp->msg_in = NULL;
1660   LWIP_ERROR("dhcp_create_msg: netif != NULL", (netif != NULL), return ERR_ARG;);
1661   LWIP_ERROR("dhcp_create_msg: dhcp != NULL", (dhcp != NULL), return ERR_VAL;);
1662   LWIP_ASSERT("dhcp_create_msg: dhcp->p_out == NULL", dhcp->p_out == NULL);
1663   LWIP_ASSERT("dhcp_create_msg: dhcp->msg_out == NULL", dhcp->msg_out == NULL);
1665   if (dhcp->p_out == NULL) {
1737   LWIP_ERROR("dhcp_delete_msg: dhcp != NULL", (dhcp != NULL), return;);
1738   LWIP_ASSERT("dhcp_delete_msg: dhcp->p_out != NULL", dhcp->p_out != NULL);
1739   LWIP_ASSERT("dhcp_delete_msg: dhcp->msg_out != NULL", dhcp->msg_out != NULL);
1740   if (dhcp->p_out != NULL) {
1743   dhcp->p_out = NULL;
1744   dhcp->msg_out = NULL;
1758   LWIP_ERROR("dhcp_option_trailer: dhcp != NULL", (dhcp != NULL), return;);
1759   LWIP_ASSERT("dhcp_option_trailer: dhcp->msg_out != NULL\n", dhcp->msg_out != NULL);