Monitor *m = wlr_output->data = ecalloc(1, sizeof(*m));

	Monitor *m;
	if (!wlr_output_init_render(wlr_output, alloc, drw))
		return;
	m = wlr_output->data = ecalloc(1, sizeof(*m));

	wlr_output_init_render(wlr_output, alloc, drw);