diff --git a/kernel/irq/manage.c b/kernel/irq/manage.c index d64bafb1afd08d7e64378d3e9b98c66b015781c8..0a7840aeb0fb9efbc18a6e6e8e6f01de17ed91cd 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. */