The function rte_zmalloc() could return NULL, the return value need to be checked. Fixes: f4ca3fd54c4d ("net/hinic: create and destroy flow director filter") Cc: stable@dpdk.org Signed-off-by: Yunjian Wang <wangyunjian@huawei.com> Reviewed-by: Ferruh Yigit <ferruh.yigit@intel.com>