'cls->cls' will be NULL if flow classifier create has failed, then segmentation fault will occur if the variable is used.
This patch fixed it. Fixes: 9c9befea4f57 ("test: add flow classify unit tests") Cc: sta...@dpdk.org Signed-off-by: Min Hu (Connor) <humi...@huawei.com> --- app/test/test_flow_classify.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/app/test/test_flow_classify.c b/app/test/test_flow_classify.c index ef0b6fd..951606f 100644 --- a/app/test/test_flow_classify.c +++ b/app/test/test_flow_classify.c @@ -828,6 +828,12 @@ test_flow_classify(void) cls_params.name = "flow_classifier"; cls_params.socket_id = 0; cls->cls = rte_flow_classifier_create(&cls_params); + if (cls->cls == NULL) { + printf("Line %i: flow classifier create has failed!\n", + __LINE__); + rte_free(cls); + return TEST_FAILED; + } /* initialise ACL table params */ table_acl_params.n_rule_fields = RTE_DIM(ipv4_defs); -- 2.7.4