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irq: Remove superfluous NULL pointer check in check_irq_resend()

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This takes care of the following entry from Dan's list:

kernel/irq/resend.c +73 check_irq_resend(17) warning: variable derefenced before check 'desc->chip'

Reported-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Cc: Eugene Teo <eteo@redhat.com>
Cc: Julia Lawall <julia@diku.dk>
LKML-Reference: <200908062146.03638.bzolnier@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-08-06 21:46:03 +02:00 committed by Ingo Molnar
parent 990a55eb25
commit c36ba80ea0
1 changed files with 1 additions and 2 deletions
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kernel/irq/resend.c
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@ -70,8 +70,7 @@ void check_irq_resend(struct irq_desc *desc, unsigned int irq)
if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) { if ((status & (IRQ_LEVEL | IRQ_PENDING | IRQ_REPLAY)) == IRQ_PENDING) {
desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY; desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY;
if (!desc->chip || !desc->chip->retrigger || if (!desc->chip->retrigger || !desc->chip->retrigger(irq)) {
!desc->chip->retrigger(irq)) {
#ifdef CONFIG_HARDIRQS_SW_RESEND #ifdef CONFIG_HARDIRQS_SW_RESEND
/* Set it pending and activate the softirq: */ /* Set it pending and activate the softirq: */
set_bit(irq, irqs_resend); set_bit(irq, irqs_resend);