[Xen-changelog] [xen-4.0-testing] x86: fix an off-by-one pirq range check

["Xen patchbot-4.0-testing" <patchbot-4.0-testing@xxxxxxxxxxxxxxxxxxx>]

# HG changeset patch
# User Keir Fraser <keir.fraser@xxxxxxxxxx>
# Date 1277918648 -3600
# Node ID 93e73a2f543de099e41e6c7f7e34ff105c46f345
# Parent  cda6a326d30e764b3e1ae1bed077c282a97efc66
x86: fix an off-by-one pirq range check

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>
xen-unstable changeset:   21698:81d6471ff123
xen-unstable date:        Wed Jun 30 18:11:09 2010 +0100
---
 xen/arch/x86/irq.c |    2 +-
 1 files changed, 1 insertion(+), 1 deletion(-)

diff -r cda6a326d30e -r 93e73a2f543d xen/arch/x86/irq.c
--- a/xen/arch/x86/irq.c        Wed Jun 30 18:23:43 2010 +0100
+++ b/xen/arch/x86/irq.c        Wed Jun 30 18:24:08 2010 +0100
@@ -1019,7 +1019,7 @@ static void __pirq_guest_eoi(struct doma
 
 int pirq_guest_eoi(struct domain *d, int irq)
 {
-    if ( (irq < 0) || (irq > d->nr_pirqs) )
+    if ( (irq < 0) || (irq >= d->nr_pirqs) )
         return -EINVAL;
 
     __pirq_guest_eoi(d, irq);

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