diff options
| -rw-r--r-- | drivers/xen/events.c | 3 |
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; } |