static int wait_backward()

in st-dma-fence-chain.c [598:626]

• 24 lines of code
• 4 McCabe index (conditional complexity)

static int wait_backward(void *arg)
{
	struct fence_chains fc;
	struct task_struct *tsk;
	int err;
	int i;

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

	tsk = kthread_run(__wait_fence_chains, &fc, "dmabuf/wait");
	if (IS_ERR(tsk)) {
		err = PTR_ERR(tsk);
		goto err;
	}
	get_task_struct(tsk);
	yield_to(tsk, true);

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

	err = kthread_stop(tsk);
	put_task_struct(tsk);

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