[lwip-devel] Closing connections with rawapi

[Per Knytt]

Hi,

I'm using lwip 1.4.1 with the rawapi.

What is the proper way to free an allocated pcb when tcp_connect()
fails? I tried to use tcp_abort() since if tcp_connect() fails due to
lack of memory then tcp_close() might fail for that reason as
well. However, when tcp_connect() fails it leaves the pcb on
tcp_bound_pcbs and tcp_abort() does not remove it from there, it just
frees it, leading to invalid memory accesses down the line.

Is it unreasonable to use tcp_abort() to clean up from tcp_connect()
failures or is this a bug?

Sincerely
Per Knytt
H&D Wireless AB