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xen/events: drop negativity check of unsigned parameter
author
Andrey Utkin
<andrey.krieger.utkin@gmail.com>
Thu, 17 Jul 2014 16:25:50 +0000
(19:25 +0300)
committer
David Vrabel
<david.vrabel@citrix.com>
Fri, 1 Aug 2014 14:44:45 +0000
(15:44 +0100)
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>
drivers/xen/events/events_base.c
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diff --git
a/drivers/xen/events/events_base.c
b/drivers/xen/events/events_base.c
index c919d3d5c8458742aabb2963624f541004e8df18..5b5c5ff273fdb7b09def11dcee21e4043640ce77 100644
(file)
--- a/
drivers/xen/events/events_base.c
+++ b/
drivers/xen/events/events_base.c
@@
-246,7
+246,7
@@
static void xen_irq_info_cleanup(struct irq_info *info)
*/
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 info_for_irq(irq)->evtchn;