From dfc7b837c7f9f01f76511aa3eeea35232903e58f Mon Sep 17 00:00:00 2001
From: "Matwey V. Kornilov" <matwey@sai.msu.ru>
Date: Tue, 21 May 2013 13:57:37 +0400
Subject: [PATCH] tty: mxser: fix usage of opmode_ioaddr

mxser_port->opmode_ioaddr is initialized only for MOXA_MUST_MU860_HWID
chips, but no precautions have been undertaken to prevent reading and
writing to undefined port number.

Signed-off-by: Matwey V. Kornilov <matwey@sai.msu.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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Reading git-format-patch failed