In rte_efd_create() allocated memory for tailq entry, we should
free it when error happens, otherwise it will lead to memory leak.
Fixes: 56b6ef874f80 ("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>