From c36ba80ea01d0aecb652c26799a912e760ce8981 Mon Sep 17 00:00:00 2001 From: Bartlomiej Zolnierkiewicz Date: Thu, 6 Aug 2009 21:46:03 +0200 Subject: [PATCH 1/1] irq: Remove superfluous NULL pointer check in check_irq_resend() 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 Signed-off-by: Bartlomiej Zolnierkiewicz Cc: Jonathan Corbet Cc: Eugene Teo Cc: Julia Lawall LKML-Reference: <200908062146.03638.bzolnier@gmail.com> Signed-off-by: Ingo Molnar --- kernel/irq/resend.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c index 89c7117..090c376 100644 --- a/kernel/irq/resend.c +++ b/kernel/irq/resend.c @@ -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) { desc->status = (status & ~IRQ_PENDING) | IRQ_REPLAY; - if (!desc->chip || !desc->chip->retrigger || - !desc->chip->retrigger(irq)) { + if (!desc->chip->retrigger || !desc->chip->retrigger(irq)) { #ifdef CONFIG_HARDIRQS_SW_RESEND /* Set it pending and activate the softirq: */ set_bit(irq, irqs_resend); -- 1.8.2.3