rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
if (rc) {
printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );
rc = request_irq( dev->irq, airo_interrupt, SA_SHIRQ, dev->name, dev );
if (rc) {
printk(KERN_ERR "airo: register interrupt %d failed, rc %d\n", irq, rc );