> > The recent conversion of saa7134 to vb2 unconvered a poll() bug that > broke the teletext applications alevt and mtt. These applications > expect that calling poll() without having called VIDIOC_STREAMON will > cause poll() to return POLLERR. That did not happen in vb2. > > This patch fixes that behavior. It also fixes what should happen when > poll() is called when STREAMON is called but no buffers have been > queued. In that case poll() will also return POLLERR, but only for > capture queues since output queues will always return POLLOUT > anyway in that situation. > > This brings the vb2 behavior in line with the old videobuf behavior. >
What (mis)behaviour would this cause in userspace application? Thanks James -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
