[dpdk-dev] [PATCH] test: fix flow classifier creating failure

[Min Hu (Connor)]

'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: stable at dpdk.org

Signed-off-by: Min Hu (Connor) <humin29 at 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