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x86: Remove superfluous NULL pointer check in destroy_irq()

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

  arch/x86/kernel/apic/io_apic.c +3241 destroy_irq(11) warning: variable derefenced before check 'desc'

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: <200907302321.19086.bzolnier@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Bartlomiej Zolnierkiewicz 2009-07-30 23:21:18 +02:00 committed by Ingo Molnar
parent e25371d60c
commit 25f6e89bed
1 changed files with 1 additions and 2 deletions
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arch/x86/kernel/apic/io_apic.c
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@ -3185,7 +3185,6 @@ void destroy_irq(unsigned int irq)
cfg = desc->chip_data;
dynamic_irq_cleanup(irq);
/* connect back irq_cfg */
if (desc)
desc->chip_data = cfg;
free_irte(irq);