openwrt-owl/target/linux/ifxmips/patches-2.6.32/020-genirq_fix.patch

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--- a/kernel/irq/chip.c
+++ b/kernel/irq/chip.c
@@ -637,6 +637,9 @@ handle_percpu_irq(unsigned int irq, stru
2010-04-24 21:35:49 +00:00
kstat_incr_irqs_this_cpu(irq, desc);
+ if (unlikely(!desc->action || (desc->status & IRQ_DISABLED)))
+ return;
+
if (desc->chip->ack)
desc->chip->ack(irq);