__videobuf_copy_to_user  865 drivers/media/v4l2-core/videobuf-core.c 	count = __videobuf_copy_to_user(q, buf, data, count, nonblocking);
__videobuf_copy_to_user  941 drivers/media/v4l2-core/videobuf-core.c 	retval = __videobuf_copy_to_user(q, q->read_buf, data, count, nonblocking);