[lwip-devel] [bug #49861] listen on a REUSEADDR socket return ENOMEM while address in used

[Wen Xichang]

URL:
  <http://savannah.nongnu.org/bugs/?49861>

                 Summary: listen on a REUSEADDR socket return ENOMEM while
address in used
                 Project: lwIP - A Lightweight TCP/IP stack
            Submitted by: wenxichang
            Submitted on: Fri Dec 16 09:10:05 2016
                Category: TCP
                Severity: 3 - Normal
              Item Group: Faulty Behaviour
                  Status: None
                 Privacy: Public
             Assigned to: None
             Open/Closed: Open
         Discussion Lock: Any
         Planned Release: None
            lwIP version: 2.0.0

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Details:

function tcp_listen_with_backlog return NULL in the follow condition:
1. address/port is already used
2. memory alloc failed

the caller give the same ERR_MEM error, that's not correct as expected.




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