static int signal_backward()

in st-dma-fence-chain.c [525:556]

• 27 lines of code
• 7 McCabe index (conditional complexity)

static int signal_backward(void *arg)
{
	struct fence_chains fc;
	int err;
	int i;

	err = fence_chains_init(&fc, 64, seqno_inc);
	if (err)
		return err;

	for (i = fc.chain_length; i--; ) {
		dma_fence_signal(fc.fences[i]);

		if (i > 0 && dma_fence_is_signaled(fc.chains[i])) {
			pr_err("chain[%d] is signaled!\n", i);
			err = -EINVAL;
			goto err;
		}
	}

	for (i = 0; i < fc.chain_length; i++) {
		if (!dma_fence_is_signaled(fc.chains[i])) {
			pr_err("chain[%d] was not signaled!\n", i);
			err = -EINVAL;
			goto err;
		}
	}

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