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Fixed bug #36210 lwIP does not elicit an empty ACK when received unacceptable ACK

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Simon Goldschmidt
2014-04-06 22:40:51 +02:00
parent 4c3b6814dc
commit 035ecef8a5
2 changed files with 6 additions and 1 deletions
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3
src/core/tcp_in.c
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@@ -1112,8 +1112,9 @@ tcp_receive(struct tcp_pcb *pcb)
}
#endif /* LWIP_IPV6 && LWIP_ND6_TCP_REACHABILITY_HINTS*/
} else {
/* Fix bug bug #21582: out of sequence ACK, didn't really ack anything */
/* Out of sequence ACK, didn't really ack anything */
pcb->acked = 0;
tcp_send_empty_ack(pcb);
}
/* We go through the ->unsent list to see if any of the segments