Function rte_ring_free

dpdk/lib/ring/rte_ring.c:317–358

free the ring */

/* free the ring */
void
rte_ring_free(struct rte_ring *r)
{
	struct rte_ring_list *ring_list = NULL;
	struct rte_tailq_entry *te;

	if (r == NULL)
		return;

	/*
	 * Ring was not created with rte_ring_create,
	 * therefore, there is no memzone to free.
	 */
	if (r->memzone == NULL) {
		RTE_LOG(ERR, RING,
			"Cannot free ring, not created with rte_ring_create()\n");
		return;
	}

	ring_list = RTE_TAILQ_CAST(rte_ring_tailq.head, rte_ring_list);
	rte_mcfg_tailq_write_lock();

	/* find out tailq entry */
	TAILQ_FOREACH(te, ring_list, next) {
		if (te->data == (void *) r)
			break;
	}

	if (te == NULL) {
		rte_mcfg_tailq_write_unlock();
		return;
	}

	TAILQ_REMOVE(ring_list, te, next);

	rte_mcfg_tailq_write_unlock();

	if (rte_memzone_free(r->memzone) != 0)
		RTE_LOG(ERR, RING, "Cannot free memory\n");

	rte_free(te);
}

/* dump the status of the ring on the console */
void