static int test_wait_timeout()

in st-dma-fence.c [371:406]

• 30 lines of code
• 5 McCabe index (conditional complexity)

static int test_wait_timeout(void *arg)
{
	struct wait_timer wt;
	int err = -EINVAL;

	timer_setup_on_stack(&wt.timer, wait_timer, 0);

	wt.f = mock_fence();
	if (!wt.f)
		return -ENOMEM;

	if (dma_fence_wait_timeout(wt.f, false, 1) != -ETIME) {
		pr_err("Wait reported complete before being signaled\n");
		goto err_free;
	}

	mod_timer(&wt.timer, jiffies + 1);

	if (dma_fence_wait_timeout(wt.f, false, 2) == -ETIME) {
		if (timer_pending(&wt.timer)) {
			pr_notice("Timer did not fire within the jiffie!\n");
			err = 0; /* not our fault! */
		} else {
			pr_err("Wait reported incomplete after timeout\n");
		}
		goto err_free;
	}

	err = 0;
err_free:
	del_timer_sync(&wt.timer);
	destroy_timer_on_stack(&wt.timer);
	dma_fence_signal(wt.f);
	dma_fence_put(wt.f);
	return err;
}