Function test_free_null

dpdk/app/test/test_fib.c:118–135

* Call rte_fib_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_fib *fib = NULL;
	struct rte_fib_conf config;

	config.max_routes = MAX_ROUTES;
	config.rib_ext_sz = 0;
	config.default_nh = 0;
	config.type = RTE_FIB_DUMMY;

	fib = rte_fib_create(__func__, SOCKET_ID_ANY, &config);
	RTE_TEST_ASSERT(fib != NULL, "Failed to create FIB\n");

	rte_fib_free(fib);
	rte_fib_free(NULL);
	return TEST_SUCCESS;
}

/*
 * Check that rte_fib_add and rte_fib_delete fails gracefully