[Xen-devel] [PATCH] x86: fix an off-by-one pirq range check

["Jan Beulich" <JBeulich@xxxxxxxxxx>]

Signed-off-by: Jan Beulich <jbeulich@xxxxxxxxxx>

--- 2010-06-15.orig/xen/arch/x86/irq.c  2010-06-15 13:23:00.000000000 +0200
+++ 2010-06-15/xen/arch/x86/irq.c       2010-06-29 10:15:13.000000000 +0200
@@ -1027,7 +1027,7 @@ 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);




_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel