brcm47xx: now hopfully realy commit the right things from r22385

[openwrt.git] / target / linux / ifxmips / patches-2.6.32 / 020-genirq_fix.patch

--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -637,6 +637,9 @@ handle_percpu_irq(unsigned int irq, stru
 
        kstat_incr_irqs_this_cpu(irq, desc);
 
+       if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
+               return;
+
        if (desc->chip->ack)
                desc->chip->ack(irq);