mutex_unlock(&dev_pm_qos_sysfs_mtx);
 }
 
-static bool dev_pm_qos_invalid_request(struct device *dev,
-                                      struct dev_pm_qos_request *req)
+static bool dev_pm_qos_invalid_req_type(struct device *dev,
+                                       enum dev_pm_qos_req_type type)
 {
-       return !req || (req->type == DEV_PM_QOS_LATENCY_TOLERANCE
-                       && !dev->power.set_latency_tolerance);
+       return type == DEV_PM_QOS_LATENCY_TOLERANCE &&
+              !dev->power.set_latency_tolerance;
 }
 
 static int __dev_pm_qos_add_request(struct device *dev,
 {
        int ret = 0;
 
-       if (!dev || dev_pm_qos_invalid_request(dev, req))
+       if (!dev || !req || dev_pm_qos_invalid_req_type(dev, type))
                return -EINVAL;
 
        if (WARN(dev_pm_qos_request_active(req),