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-rw-r--r--kernel/irq/manage.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c
index d64bafb1afd0..0a7840aeb0fb 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)
491 struct irq_desc *desc = irq_get_desc_buslock(irq, &flags); 491 struct irq_desc *desc = irq_get_desc_buslock(irq, &flags);
492 int ret = 0; 492 int ret = 0;
493 493
494 if (!desc)
495 return -EINVAL;
496
494 /* wakeup-capable irqs can be shared between drivers that 497 /* wakeup-capable irqs can be shared between drivers that
495 * don't need to have the same sleep mode behaviors. 498 * don't need to have the same sleep mode behaviors.
496 */ 499 */