diff options
| -rw-r--r-- | kernel/power/qos.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/kernel/power/qos.c b/kernel/power/qos.c index 582b66e882ce..e6eceb0aa496 100644 --- a/kernel/power/qos.c +++ b/kernel/power/qos.c @@ -597,7 +597,11 @@ void pm_qos_add_request(struct pm_qos_request *req, case PM_QOS_REQ_AFFINE_IRQ: if (irq_can_set_affinity(req->irq)) { struct irq_desc *desc = irq_to_desc(req->irq); - struct cpumask *mask = desc->irq_data.common->affinity; + struct cpumask *mask; + + if (!desc) + return; + mask = desc->irq_data.common->affinity; /* Get the current affinity */ cpumask_copy(&req->cpus_affine, mask); |