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tcp_abort/tcp_abandon: don't send RST if pcb->state is CLOSED

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This commit is contained in:
goldsimon 2012-03-25 17:19:46 +02:00
parent 84d8760561
commit dd245c63d7
1 changed files with 2 additions and 1 deletions
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3
src/core/tcp.c
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@ -375,6 +375,7 @@ tcp_abandon(struct tcp_pcb *pcb, int reset)
tcp_pcb_remove(&tcp_tw_pcbs, pcb); tcp_pcb_remove(&tcp_tw_pcbs, pcb);
memp_free(MEMP_TCP_PCB, pcb); memp_free(MEMP_TCP_PCB, pcb);
} else { } else {
int send_rst = reset && (pcb->state != CLOSED);
seqno = pcb->snd_nxt; seqno = pcb->snd_nxt;
ackno = pcb->rcv_nxt; ackno = pcb->rcv_nxt;
#if LWIP_CALLBACK_API #if LWIP_CALLBACK_API
@ -393,7 +394,7 @@ tcp_abandon(struct tcp_pcb *pcb, int reset)
tcp_segs_free(pcb->ooseq); tcp_segs_free(pcb->ooseq);
} }
#endif /* TCP_QUEUE_OOSEQ */ #endif /* TCP_QUEUE_OOSEQ */
if (reset) { if (send_rst) {
LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_abandon: sending RST\n")); LWIP_DEBUGF(TCP_RST_DEBUG, ("tcp_abandon: sending RST\n"));
tcp_rst(seqno, ackno, &pcb->local_ip, &pcb->remote_ip, pcb->local_port, pcb->remote_port, PCB_ISIPV6(pcb)); tcp_rst(seqno, ackno, &pcb->local_ip, &pcb->remote_ip, pcb->local_port, pcb->remote_port, PCB_ISIPV6(pcb));
} }