[lwip-devel] [bug #46701] Non-standard close behavior can result in socket/netconn leaks

[Simon Goldschmidt]

Update of bug #46701 (project lwip):

                  Status:                    None => In Progress            
             Assigned to:                    None => goldsimon              

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Follow-up Comment #6:

Reading up on this, you're probably right that lwIP-internal resource shortage
should not lead to EWOULDBLOCK on socket layer. I'm OK with changing the
netconn API in this respect, too.
I'll change the code to fix this 1st bug. However, there might be 

However, deleting the netconn & socket in all 'err != ERR_OK' cases is
definitively wrong and can lead to pcb leaks (instead of the netconn/socket
leaks you want to fix).

So why don't we solve this 2nd bug by returning ERR_OK when from 'err_tcp()'
(which is called on RST) if 'old_state == NETCONN_CLOSE' ? Noone is interested
in the RST in this case anyway.

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