Function test_free_null

dpdk/app/test/test_rib.c:95–110

* Call rte_rib_free for NULL pointer user input. Note: free has no return and * therefore it is impossible to check for failure but this test is added to * increase function coverage metrics and to validate that freeing null does * not crash. */

 * not crash.
 */
int32_t
test_free_null(void)
{
	struct rte_rib *rib = NULL;
	struct rte_rib_conf config;

	config.max_nodes = MAX_RULES;
	config.ext_sz = 0;

	rib = rte_rib_create(__func__, SOCKET_ID_ANY, &config);
	RTE_TEST_ASSERT(rib != NULL, "Failed to create RIB\n");

	rte_rib_free(rib);
	rte_rib_free(NULL);
	return TEST_SUCCESS;
}

/*
 * Check that rte_rib_insert fails gracefully for incorrect user input arguments