In function 'stats_mem_init', pointer 'stats' should be confirmed not null before memset it. Fixes: af1ae8b6a32c ("graph: implement stats") Cc: stable@dpdk.org Signed-off-by: Hongbo Zheng <zhenghongbo3@huawei.com> Signed-off-by: Min Hu (Connor) <humin29@huawei.com> Reviewed-by: Jerin Jacob <jerinj@marvell.com> Reviewed-by: David Marchand <david.marchand@redhat.com>