From: Phillip Susi <psusi@ubuntu.com>
To: netdev@vger.kernel.org
Subject: bind() should not return -EADDRINUSE
Date: Thu, 11 Dec 2014 14:19:11 -0500 [thread overview]
Message-ID: <5489EE2F.6030502@ubuntu.com> (raw)
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Attempting to establish a connection to a remote host using the same
local port, but a different remote port as the previous connection (
that is still in TIME_WAIT ) results in bind() returning -EADDRINUSE.
By changing the remote port, you avoid the conflict with the other
connection that is in TIME_WAIT, but since the remote port is not
known when bind() is called, it incorrectly returns -EADDRINUSE. This
check should not be done in bind(), but deferred until the remote port
is known in the call to connect(), or listen().
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next reply other threads:[~2014-12-11 19:19 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-12-11 19:19 Phillip Susi [this message]
2014-12-11 19:23 ` bind() should not return -EADDRINUSE David Miller
2014-12-11 19:50 ` Phillip Susi
2014-12-11 20:13 ` David Miller
2014-12-11 20:17 ` Phillip Susi
2014-12-11 20:18 ` David Miller
2014-12-11 20:23 ` Phillip Susi
2014-12-11 20:25 ` David Miller
2014-12-11 21:34 ` Phillip Susi
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