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| author | Bartlomiej Zolnierkiewicz <bzolnier@gmail.com> | 2009-08-06 21:46:03 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2009-08-09 12:44:29 +0200 |
| commit | c36ba80ea01d0aecb652c26799a912e760ce8981 (patch) | |
| tree | 1f44e0c3ebf1d2bde9d3cc2fab41885b80e3a506 /kernel/irq/resend.c | |
| parent | 990a55eb25d9698d61352264cc43f3a9c04cce90 (diff) | |
| download | lwn-c36ba80ea01d0aecb652c26799a912e760ce8981.tar.gz lwn-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/resend.c')
| -rw-r--r-- | 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 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); |