[lwip-devel] [bug #25622] Lack of return code checks in tcp_listen_input can cause incoming connections to become blocked.

[Roman Trunov]

Follow-up Comment #5, bug #25622 (project lwip):

On the second thought, look like I was mistaken. Retransmission of lost ACKs
already exist using timers. So the only problem is missing check of return
code from tcp_enqueue(). As soon as packet is enqueued, it will be
periodically resent. Only if tcp_enqueue() fails, some action must be taken
(e.g. pcb destroyed or SYN reprocessed). So your approach was correct. Sorry
for noise.


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