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Fixed bug #3112 (faulty behaviour calling tcp_listen() when already listening)

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likewise 2003-04-06 20:35:50 +00:00
parent 0418edb7b6
commit 12fc0239c2
1 changed files with 4 additions and 0 deletions
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4
src/core/tcp.c
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@ -312,6 +312,10 @@ tcp_listen(struct tcp_pcb *pcb)
{ {
struct tcp_pcb_listen *lpcb; struct tcp_pcb_listen *lpcb;
/* already listening? */
if(pcb->state == LISTEN) {
return pcb;
}
lpcb = memp_malloc(MEMP_TCP_PCB_LISTEN); lpcb = memp_malloc(MEMP_TCP_PCB_LISTEN);
if(lpcb == NULL) { if(lpcb == NULL) {
return NULL; return NULL;