Commits
Steve Glendinning committed 6c53b1b15e2
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>