[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 #2, bug #25622 (project lwip):

An outgoing packet may be as well sent without error but lost in the network.
I see this too often on GSM/GPRS links. This makes your fix useless. For
correct fix, upper-level TCP code must be fixed to correctly handle multiple
incoming handshake packets and repeat outgoing ones.


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