22.04.2020 09:18, Sowjanya Komatineni пишет: > +static int chan_capture_kthread_start(void *data) > +{ > + struct tegra_vi_channel *chan = data; > + struct tegra_channel_buffer *buf; > + int err = 0; > + > + set_freezable(); > + > + while (1) { > + try_to_freeze(); > + > + wait_event_interruptible(chan->start_wait, > + !list_empty(&chan->capture) || > + kthread_should_stop()); > + > + if (kthread_should_stop()) > + break; > + > + /* > + * Source is not streaming if error is non-zero. > + * So, do not dequeue buffers on capture error. > + */ > + if (err) > + continue; This will result in an endless loop, I suppose it wasn't the intention.