tree 365c523513c54ab2b4eed1ca710fa007b8f84cce
parent cc098dc705895f6b0109b7e8e026ac2b8ae1c0a1
author Steve Glendinning <steve.glendinning@smsc.com> 1259565285 -0800
committer David S. Miller <davem@davemloft.net> 1259565285 -0800

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>