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smsc9420: prevent BUG() if ethtool is called with interface down
authorSteve Glendinning <steve.glendinning@smsc.com>
Mon, 30 Nov 2009 07:14:45 +0000 (23:14 -0800)
committerDavid S. Miller <davem@davemloft.net>
Mon, 30 Nov 2009 07:14:45 +0000 (23:14 -0800)
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>
drivers/net/smsc9420.c patch | blob | history

diff --cc drivers/net/smsc9420.c
Simple merge
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