rtl8169_init_one
-> rtl_init_mac_address
   -> rtl_rar_set
      -> spin_lock_irq(&tp->lock);
[...]
-> spin_lock_init(&tp->lock);
Signed-off-by: Francois Romieu <romieu@fr.zoreil.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
                dev->do_ioctl = rtl8169_ioctl;
        }
 
-       /* Read MAC address from EEPROM */
+       spin_lock_init(&tp->lock);
+
        rtl_init_mac_address(tp, ioaddr);
 
        /* Get MAC address */
        tp->timer.data = (unsigned long) dev;
        tp->timer.function = rtl8169_phy_timer;
 
-       spin_lock_init(&tp->lock);
-
        rc = register_netdev(dev);
        if (rc < 0)
                goto err_out_msi_5;