2840 	struct vb2_threadio_data *threadio = q->threadio;  in vb2_thread()  local
2864 			if (!threadio->stop)  in vb2_thread()
2871 		if (ret || threadio->stop)  in vb2_thread()
2876 			if (threadio->fnc(vb, threadio->priv))  in vb2_thread()
2881 		if (!threadio->stop)  in vb2_thread()
2884 		if (ret || threadio->stop)  in vb2_thread()
2904 	struct vb2_threadio_data *threadio;  in vb2_thread_start()  local
2907 	if (q->threadio)  in vb2_thread_start()
2914 	threadio = kzalloc(sizeof(*threadio), GFP_KERNEL);  in vb2_thread_start()
2915 	if (threadio == NULL)  in vb2_thread_start()
2917 	threadio->fnc = fnc;  in vb2_thread_start()
2918 	threadio->priv = priv;  in vb2_thread_start()
2924 	q->threadio = threadio;  in vb2_thread_start()
2925 	threadio->thread = kthread_run(vb2_thread, q, "vb2-%s", thread_name);  in vb2_thread_start()
2926 	if (IS_ERR(threadio->thread)) {  in vb2_thread_start()
2927 		ret = PTR_ERR(threadio->thread);  in vb2_thread_start()
2928 		threadio->thread = NULL;  in vb2_thread_start()
2936 	kfree(threadio);  in vb2_thread_start()
2943 	struct vb2_threadio_data *threadio = q->threadio;  in vb2_thread_stop()  local
2946 	if (threadio == NULL)  in vb2_thread_stop()
2948 	threadio->stop = true;  in vb2_thread_stop()
2951 	err = kthread_stop(threadio->thread);  in vb2_thread_stop()
2953 	threadio->thread = NULL;  in vb2_thread_stop()
2954 	kfree(threadio);  in vb2_thread_stop()
2955 	q->threadio = NULL;  in vb2_thread_stop()