[PATCH] genirq: fix typo in IRQ resend

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

 



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

Signed-off-by: Imre Deak <[email protected]>
---
 kernel/irq/resend.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 872f91b..35f10f7 100644
--- a/kernel/irq/resend.c
+++ b/kernel/irq/resend.c
@@ -63,8 +63,7 @@ void check_irq_resend(struct irq_desc *d
 	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)) {
-- 
1.4.1

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

[Index of Archives]     [Kernel Newbies]     [Netfilter]     [Bugtraq]     [Photo]     [Stuff]     [Gimp]     [Yosemite News]     [MIPS Linux]     [ARM Linux]     [Linux Security]     [Linux RAID]     [Video 4 Linux]     [Linux for the blind]     [Linux Resources]
  Powered by Linux