From: Johan Hovold <jhovold@gmail.com>
Date: Fri, 10 Feb 2012 12:20:49 +0000 (+0100)
Subject: USB: serial: fix console error reporting
X-Git-Tag: v3.2.14~123
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?p=pandora-kernel.git;a=commitdiff_plain;h=77131893c0287a7736171b97ef69b989bbeaba62

USB: serial: fix console error reporting

commit 548dd4b6da8a8e428453d55f7fa7b8a46498d147 upstream.

Do not report errors in write path if port is used as a console as this
may trigger the same error (and error report) resulting in a loop.

Reported-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: Johan Hovold <jhovold@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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