irq = dev->irq;
static void __exit sgiseeq_exit(void){	struct net_device *next, *dev;	struct sgiseeq_private *sp;	int irq;	for (dev = root_sgiseeq_dev; dev; dev = next) {		sp = (struct sgiseeq_private *) netdev_priv(dev);		next = sp->next_module;		irq = dev->irq;		unregister_netdev(dev);		free_irq(irq, dev);		free_page((unsigned long) sp);		free_netdev(dev);	}}