From 0d788c7d285a91ef72a7b436dbe753d117856b3d Mon Sep 17 00:00:00 2001
From: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Date: Wed, 26 Aug 2009 02:01:09 +0000
Subject: [PATCH] qeth: display service_level info only when valid.

qeth displayed an entry in /proc/service_level even when no valid
MCL-string was available (the MCL info is blank). The change is to
create an entry in /proc/service_level only when MCL-string is
non-zero.

Signed-off-by: Klaus-Dieter Wacker <kdwacker@de.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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