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Commit e1ed7ac7 authored by Imre Deak's avatar Imre Deak Committed by Linus Torvalds
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[PATCH] genirq: fix typo in IRQ resend 



Fix a bug where the IRQ_PENDING flag is never cleared and the ISR is called
endlessly without an actual interrupt.

Signed-off-by: default avatarImre Deak <imre.deak@solidboot.com>
Acked-by: default avatarThomas Gleixner <tglx@linutronix.de>
Acked-by: default avatarIngo Molnar <mingo@elte.hu>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent 63b98080

kernel/irq/resend.c

+1 −2
Original line number Diff line number Diff line
@@ -63,8 +63,7 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq) 
	desc->chip->enable(irq);



	if ((status & (IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {

		desc->status &= ~IRQ_PENDING;

		desc->status = status | IRQ_REPLAY;

		desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;



		if (!desc->chip || !desc->chip->retrigger ||

					!desc->chip->retrigger(irq)) {