Lines Matching refs:NULL

175     if ((pcb->refused_data != NULL) || (pcb->rcv_wnd != TCP_WND)) {
213     pcb = NULL;
219     pcb = NULL;
225     pcb = NULL;
252     pcb = NULL;
256   if (pcb != NULL && err == ERR_OK) {
326     if (pcb->refused_data != NULL) {
328       pcb->refused_data = NULL;
370      the PCB with a NULL argument, and send an RST to the remote end. */
382     if (pcb->unacked != NULL) {
385     if (pcb->unsent != NULL) {
389     if (pcb->ooseq != NULL) {
420  * IP address is not given (i.e., ipaddr == NULL), the IP address of
461     for(cpcb = *tcp_pcb_lists[i]; cpcb != NULL; cpcb = cpcb->next) {
524   LWIP_ERROR("tcp_listen: pcb already connected", pcb->state == CLOSED, return NULL);
535     for(lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
539           return NULL;
546   if (lpcb == NULL) {
547     return NULL;
659     for(pcb = *tcp_pcb_lists[i]; pcb != NULL; pcb = pcb->next) {
694   if (ipaddr != NULL) {
705     if (netif == NULL) {
729       for(cpcb = *tcp_pcb_lists[i]; cpcb != NULL; cpcb = cpcb->next) {
803   prev = NULL;
805   if (pcb == NULL) {
808   while (pcb != NULL) {
848         if (pcb->unacked != NULL && pcb->rtime >= pcb->rto) {
921     if (pcb->ooseq != NULL &&
924       pcb->ooseq = NULL;
953       if (prev != NULL) {
1003   prev = NULL;
1005   while (pcb != NULL) {
1021       if (prev != NULL) {
1055   while(pcb != NULL) {
1070       if (pcb->refused_data != NULL) {
1089   /* set pcb->refused_data to NULL in case the callback frees it and then
1092   pcb->refused_data = NULL;
1130   while (seg != NULL) {
1145   if (seg != NULL) {
1146     if (seg->p != NULL) {
1149       seg->p = NULL;
1182   if (cseg == NULL) {
1183     return NULL;
1200   if (p != NULL) {
1228   inactive = NULL;
1229   for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
1238   if (inactive != NULL) {
1256   inactive = NULL;
1258   for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {
1264   if (inactive != NULL) {
1284   if (pcb == NULL) {
1290     if (pcb == NULL) {
1296       if (pcb != NULL) {
1301     if (pcb != NULL) {
1306   if (pcb != NULL) {
1482       LWIP_ASSERT("tcp_pcb_purge: pcb->state == SYN_RCVD but tcp_listen_pcbs is NULL",
1483         tcp_listen_pcbs.listen_pcbs != NULL);
1484       for (lpcb = tcp_listen_pcbs.listen_pcbs; lpcb != NULL; lpcb = lpcb->next) {
1499     if (pcb->refused_data != NULL) {
1502       pcb->refused_data = NULL;
1504     if (pcb->unsent != NULL) {
1507     if (pcb->unacked != NULL) {
1511     if (pcb->ooseq != NULL) {
1515     pcb->ooseq = NULL;
1524     pcb->unacked = pcb->unsent = NULL;
1553     LWIP_ASSERT("unsent segments leaking", pcb->unsent == NULL);
1554     LWIP_ASSERT("unacked segments leaking", pcb->unacked == NULL);
1556     LWIP_ASSERT("ooseq segments leaking", pcb->ooseq == NULL);
1592   if ((outif != NULL) && (outif->mtu != 0)) {
1701   for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
1708   for(pcb = (struct tcp_pcb *)tcp_listen_pcbs.pcbs; pcb != NULL; pcb = pcb->next) {
1715   for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {
1730   for(pcb = tcp_active_pcbs; pcb != NULL; pcb = pcb->next) {
1735   for(pcb = tcp_tw_pcbs; pcb != NULL; pcb = pcb->next) {