efd: fix tailq entry leak in error path

In rte_efd_create() allocated memory for tailq entry, we should
free it when error happens, otherwise it will lead to memory leak.

Fixes: 56b6ef874f ("efd: new Elastic Flow Distributor library")
Cc: stable@dpdk.org

Signed-off-by: Yunjian Wang <wangyunjian@huawei.com>
Acked-by: Yipeng Wang <yipeng1.wang@intel.com>

lib/librte_efd/rte_efd.c

@@ -711,6 +711,7 @@ rte_efd_create(const char *name, uint32_t max_num_rules, uint32_t key_len,
 
 error_unlock_exit:
 	rte_mcfg_tailq_write_unlock();
+	rte_free(te);
 	rte_efd_free(table);
 
 	return NULL;