--- linux-2.3.99-pre6-old/arch/i386/kernel/pci-irq.c	Sun Apr 16 13:42:11 2000
+++ linux-2.3.99-pre6/arch/i386/kernel/pci-irq.c	Wed Apr 26 14:37:00 2000
@@ -318,6 +318,7 @@
 	DBG(" -> newirq=%d", newirq);
 
 	/* Try to get current IRQ */
+	if(r){
 	if (r->get && (irq = r->get(pirq_router_dev, d, pirq))) {
 		DBG(" -> got IRQ %d\n", irq);
 		msg = "Found";
@@ -328,6 +329,7 @@
 			msg = "Assigned";
 			irq = newirq;
 		}
+	}
 	}
 
 	if (!irq) {