Function pull_eval_state

dpdk/lib/bpf/bpf_validate.c:2107–2118

* helper functions get/free eval states. */

 * helper functions get/free eval states.
 */
static struct bpf_eval_state *
pull_eval_state(struct evst_pool *pool)
{
	uint32_t n;

	n = pool->cur;
	if (n == pool->num)
		return NULL;

	pool->cur = n + 1;
	return pool->ent + n;
}

static void
push_eval_state(struct evst_pool *pool)