The function rtl8150_set_mac_address in the file drivers/net/usb/rtl8150.c contains the following code: set_registers(dev, IDR, sizeof(netdev->dev_addr), netdev->dev_addr); Is it correct that the size of the pointer is what is wanted? julia -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html