diff options
| -rw-r--r-- | drivers/xen/events.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/xen/events.c b/drivers/xen/events.c index 2924faa7f6c..46625cd3874 100644 --- a/drivers/xen/events.c +++ b/drivers/xen/events.c @@ -233,6 +233,7 @@ static void unmask_evtchn(int port) static int find_unbound_irq(void) { int irq; + struct irq_desc *desc; /* Only allocate from dynirq range */ for (irq = 0; irq < nr_irqs; irq++) @@ -242,6 +243,10 @@ static int find_unbound_irq(void) if (irq == nr_irqs) panic("No available IRQ to bind to: increase nr_irqs!\n"); + desc = irq_to_desc_alloc_cpu(irq, 0); + if (WARN_ON(desc == NULL)) + return -1; + return irq; } |