phy: fix device reference leaks

Make sure to drop the reference taken by bus_find_device_by_name()
before returning from phy_connect() and phy_attach().

Note that both function still take a reference to the phy device
through phy_attach_direct().

Fixes: e13934563db0 ("[PATCH] PHY Layer fixup")
Cc: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/phy/phy_device.c

@@ -723,6 +723,7 @@ struct phy_device *phy_connect(struct net_device *dev, const char *bus_id,
 	phydev = to_phy_device(d);
 
 	rc = phy_connect_direct(dev, phydev, handler, interface);
+	put_device(d);
 	if (rc)
 		return ERR_PTR(rc);
 
@@ -953,6 +954,7 @@ struct phy_device *phy_attach(struct net_device *dev, const char *bus_id,
 	phydev = to_phy_device(d);
 
 	rc = phy_attach_direct(dev, phydev, phydev->dev_flags, interface);
+	put_device(d);
 	if (rc)
 		return ERR_PTR(rc);