On 4/23/20 4:16 PM, Dmitry Osipenko wrote:
External email: Use caution opening links or attachments 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.
no it will not. on error we report vb2_queue_error which will do streaming stop request.
So thread will be stopped on streaming stop request thru kthread stop signal
