The 'if' clause for ULI526X in tulip_mdio_write allows for
spin_unlock_irqrestore to be called twice for tp->mii_lock. I believe
this is caused by the unintentional omission of a return at the end
of that clause. This patch adds that return.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
9092f46b5a