2515 	struct vb2_threadio_data *threadio = q->threadio;  in vb2_thread()  local
2539 			if (!threadio->stop)  in vb2_thread()
2546 		if (ret || threadio->stop)  in vb2_thread()
2551 			if (threadio->fnc(vb, threadio->priv))  in vb2_thread()
2556 		if (!threadio->stop)  in vb2_thread()
2559 		if (ret || threadio->stop)  in vb2_thread()
2579 	struct vb2_threadio_data *threadio;  in vb2_thread_start()  local
2582 	if (q->threadio)  in vb2_thread_start()
2589 	threadio = kzalloc(sizeof(*threadio), GFP_KERNEL);  in vb2_thread_start()
2590 	if (threadio == NULL)  in vb2_thread_start()
2592 	threadio->fnc = fnc;  in vb2_thread_start()
2593 	threadio->priv = priv;  in vb2_thread_start()
2599 	q->threadio = threadio;  in vb2_thread_start()
2600 	threadio->thread = kthread_run(vb2_thread, q, "vb2-%s", thread_name);  in vb2_thread_start()
2601 	if (IS_ERR(threadio->thread)) {  in vb2_thread_start()
2602 		ret = PTR_ERR(threadio->thread);  in vb2_thread_start()
2603 		threadio->thread = NULL;  in vb2_thread_start()
2611 	kfree(threadio);  in vb2_thread_start()
2618 	struct vb2_threadio_data *threadio = q->threadio;  in vb2_thread_stop()  local
2621 	if (threadio == NULL)  in vb2_thread_stop()
2623 	threadio->stop = true;  in vb2_thread_stop()
2626 	err = kthread_stop(threadio->thread);  in vb2_thread_stop()
2628 	threadio->thread = NULL;  in vb2_thread_stop()
2629 	kfree(threadio);  in vb2_thread_stop()
2630 	q->threadio = NULL;  in vb2_thread_stop()