1 files changed, 3 insertions, 0 deletions

diff --git a/drivers/xen/events.c b/drivers/xen/events.c
index 4d4a23d4c9f6..3df7e477694a 100644
--- a/drivers/xen/events.c
+++ b/drivers/xen/events.c
@@ -170,6 +170,9 @@ static struct irq_info *info_for_irq(unsigned irq)
 
 static unsigned int evtchn_from_irq(unsigned irq)
 {
+        if (unlikely(WARN(irq < 0 || irq >= nr_irqs, "Invalid irq %d!\n", irq)))
+                return 0;
+
         return info_for_irq(irq)->evtchn;
 }