From: Steve Glendinning <steve.glendinning@smsc.com>
Date: Mon, 30 Nov 2009 07:14:45 +0000 (-0800)
Subject: smsc9420: prevent BUG() if ethtool is called with interface down
X-Git-Tag: v2.6.32~40^2~4
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6c53b1b15e222244358d3cbbefd2a13920faa352;p=pandora-kernel.git

smsc9420: prevent BUG() if ethtool is called with interface down

This patch fixes a null pointer dereference BUG() if ethtool is used on
an smsc9420 interface while it is down, because the phy_dev is only
allocated while the interface is up.

Signed-off-by: Steve Glendinning <steve.glendinning@smsc.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

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