[lwip-devel] [bug #20315] Problem in the use of tcp_listen in api_msg.c

[Frédéric Bernon]

Follow-up Comment #6, bug #20315 (project lwip):

I attach a patch file. In rawapi.txt, we can read :

"tcp_listen() may return NULL if no memory was available for the
listening connection. If so, the memory associated with the pcb
passed as an argument to tcp_listen() will not be deallocated."

So, the change is only in api_msg.c. Problem, it's always possible that
tcp_listen return a valid pcb, but that the sys_mbox_new for acceptmbox
failed: in this case the pcb can't be used, and should be closed. The
sys_mbox_new success is a port problem, so, since a LWIP_ERROR is used in
netconn_accept, I think the patch is enough. 

Ok for you?


(file #13282)
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