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authorBartlomiej Zolnierkiewicz <bzolnier@gmail.com>2009-08-06 21:46:03 +0200
committerIngo Molnar <mingo@elte.hu>2009-08-09 12:44:29 +0200
commitc36ba80ea01d0aecb652c26799a912e760ce8981 (patch)
tree1f44e0c3ebf1d2bde9d3cc2fab41885b80e3a506 /kernel/irq
parentirq: Clean up by removing irqfixup MODULE_PARM_DESC() (diff)
downloadlinux-c36ba80ea01d0aecb652c26799a912e760ce8981.tar.xz
linux-c36ba80ea01d0aecb652c26799a912e760ce8981.zip
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 <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>
Diffstat (limited to 'kernel/irq')
-rw-r--r--kernel/irq/resend.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/kernel/irq/resend.c b/kernel/irq/resend.c
index 89c7117acf2b..090c3763f3a2 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);