Dan's static checker caught a potential code path in phy_state_machine() where
we were not checking phydev->drv which is in phy_aneg_done().
Reported-by: NDan Carpenter <dan.carpenter@oracle.com>
Fixes: 25149ef9 ("net: phy: Check phydev->drv")
Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>