static int find_signaled()

in st-dma-fence-chain.c [255:291]

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

static int find_signaled(void *arg)
{
	struct fence_chains fc;
	struct dma_fence *fence;
	int err;

	err = fence_chains_init(&fc, 2, seqno_inc);
	if (err)
		return err;

	dma_fence_signal(fc.fences[0]);

	fence = dma_fence_get(fc.tail);
	err = dma_fence_chain_find_seqno(&fence, 1);
	dma_fence_put(fence);
	if (err) {
		pr_err("Reported %d for find_seqno()!\n", err);
		goto err;
	}

	if (fence && fence != fc.chains[0]) {
		pr_err("Incorrect chain-fence.seqno:%lld reported for completed seqno:1\n",
		       fence->seqno);

		dma_fence_get(fence);
		err = dma_fence_chain_find_seqno(&fence, 1);
		dma_fence_put(fence);
		if (err)
			pr_err("Reported %d for finding self!\n", err);

		err = -EINVAL;
	}

err:
	fence_chains_fini(&fc);
	return err;
}