From 474b8feafb5013130d625898139b56fa54e6c9f2 Mon Sep 17 00:00:00 2001
From: Andrey Utkin <andrey.krieger.utkin@gmail.com>
Date: Thu, 17 Jul 2014 19:25:50 +0300
Subject: [PATCH] xen/events: drop negativity check of unsigned parameter
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 | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/xen/events/events_base.c b/drivers/xen/events/events_base.c
index c919d3d5c8458..5b5c5ff273fdb 100644
--- 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;