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xen/events: drop negativity check of unsigned parameter

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Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=80531
Reported-by: David Binderman <dcb314@hotmail.com>
Signed-off-by: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This commit is contained in:
Andrey Utkin 2014-07-17 19:25:50 +03:00 committed by David Vrabel
parent 3fbdf631b7
commit 474b8feafb
1 changed files with 1 additions and 1 deletions
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2
drivers/xen/events/events_base.c
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@ -246,7 +246,7 @@ static void xen_irq_info_cleanup(struct irq_info *info)
*/ */
unsigned int evtchn_from_irq(unsigned irq) unsigned int evtchn_from_irq(unsigned irq)
{ {
if (unlikely(WARN(irq < 0 || irq >= nr_irqs, "Invalid irq %d!\n", irq))) if (unlikely(WARN(irq >= nr_irqs, "Invalid irq %d!\n", irq)))
return 0; return 0;
return info_for_irq(irq)->evtchn; return info_for_irq(irq)->evtchn;