From: Johan Hovold <jhovold@gmail.com>
Date: Mon, 6 Feb 2012 18:22:19 +0000 (+0100)
Subject: USB: serial: add macro for console error reporting
X-Git-Tag: v3.4-rc1~184^2~22^2~121^2~9
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e688355bfeadf17ef522b1e62cc12f8e88e69667;p=pandora-kernel.git

USB: serial: add macro for console error reporting

Add macro which prints an error message only once if port is used a
console.

Reporting errors in a write path when port is used as a console could
otherwise result in an infinite loop.

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