diff options
| -rw-r--r-- | kernel/irq/manage.c | 3 | 
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index d64bafb1afd..0a7840aeb0f 100644 --- a/kernel/irq/manage.c +++ b/kernel/irq/manage.c @@ -491,6 +491,9 @@ int irq_set_irq_wake(unsigned int irq, unsigned int on)  	struct irq_desc *desc = irq_get_desc_buslock(irq, &flags);  	int ret = 0; +	if (!desc) +		return -EINVAL; +  	/* wakeup-capable irqs can be shared between drivers that  	 * don't need to have the same sleep mode behaviors.  	 */  |