drm/amdkfd: Reduce nesting in kfd_create_process_device_data

Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Oded Gabbay <oded.gabbay@gmail.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>

drivers/gpu/drm/amd/amdkfd/kfd_process.c

@@ -390,7 +390,9 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev,
 	struct kfd_process_device *pdd = NULL;
 
 	pdd = kzalloc(sizeof(*pdd), GFP_KERNEL);
-	if (pdd != NULL) {
+	if (!pdd)
+		return NULL;
+
 	pdd->dev = dev;
 	INIT_LIST_HEAD(&pdd->qpd.queues_list);
 	INIT_LIST_HEAD(&pdd->qpd.priv_queue_list);
@@ -400,7 +402,6 @@ struct kfd_process_device *kfd_create_process_device_data(struct kfd_dev *dev,
 	pdd->bound = PDD_UNBOUND;
 	pdd->already_dequeued = false;
 	list_add(&pdd->per_device_list, &p->per_device_data);
-	}
 
 	return pdd;
 }