+++ /dev/null
-Index: linux-2.6.30.5/kernel/irq/chip.c
-===================================================================
---- linux-2.6.30.5.orig/kernel/irq/chip.c 2009-09-02 20:09:15.000000000 +0200
-+++ linux-2.6.30.5/kernel/irq/chip.c 2009-09-02 20:09:25.000000000 +0200
-@@ -537,6 +537,9 @@
-
- kstat_incr_irqs_this_cpu(irq, desc);
-
-+ if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
-+ return;
-+
- if (desc->chip->ack)
- desc->chip->ack(irq);
-