[LTP] [PATCH] fix rpc_suite/rpc:add check returned value

[dongshijiang]

"Segmentation fault (core dumped)" due to the failure of svcfd_create during the rpc test, so you need to check the return value of the "svcfd_create" function

Signed-off-by: dongshijiang <dongshijiang@inspur.com>
---
 .../rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy.c      | 5 +++++
 .../rpc_createdestroy_svc_destroy/rpc_svc_destroy_stress.c   | 5 +++++
 .../rpc/rpc_regunreg_xprt_register/rpc_xprt_register.c       | 5 +++++
 .../rpc/rpc_regunreg_xprt_unregister/rpc_xprt_unregister.c   | 5 +++++
 4 files changed, 20 insertions(+)

diff --git a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy.c b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy.c
index 60b96cec3..3557c0068 100644
--- a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy.c
+++ b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy.c
@@ -46,6 +46,11 @@ int main(void)
 
 	//First of all, create a server
 	svcr = svcfd_create(fd, 0, 0);
+
+	//check returned value
+	if ((SVCXPRT *) svcr == NULL) {
+		return test_status;
+	}
 
 	//Then call destroy macro
 	svc_destroy(svcr);
diff --git a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy_stress.c b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy_stress.c
index ecd145393..5a4331f4d 100644
--- a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy_stress.c
+++ b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_createdestroy_svc_destroy/rpc_svc_destroy_stress.c
@@ -55,6 +55,11 @@ int main(int argn, char *argc[])
 	//First of all, create a server
 	for (i = 0; i < nbCall; i++) {
 		svcr = svcfd_create(fd, 0, 0);
+
+		//check returned value
+		if ((SVCXPRT *) svcr == NULL)
+			continue;
+		svcr = NULL;
 
 		//Then call destroy macro
 		svc_destroy(svcr);
diff --git a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_register/rpc_xprt_register.c b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_register/rpc_xprt_register.c
index da3b93022..de4df15f1 100644
--- a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_register/rpc_xprt_register.c
+++ b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_register/rpc_xprt_register.c
@@ -48,6 +48,11 @@ int main(void)
 
 	//create a server
 	svcr = svcfd_create(fd, 1024, 1024);
+
+	//check returned value
+	if ((SVCXPRT *) svcr == NULL) {
+		return test_status;
+	}
 
 	//call routine
 	xprt_register(svcr);
diff --git a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_unregister/rpc_xprt_unregister.c b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_unregister/rpc_xprt_unregister.c
index d0b7a20d4..fbaec25ad 100644
--- a/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_unregister/rpc_xprt_unregister.c
+++ b/testcases/network/rpc/rpc-tirpc/tests_pack/rpc_suite/rpc/rpc_regunreg_xprt_unregister/rpc_xprt_unregister.c
@@ -52,6 +52,11 @@ int main(int argn, char *argc[])
 
 	//create a server
 	svcr = svcfd_create(fd, 1024, 1024);
+
+	//check returned value
+	if ((SVCXPRT *) svcr == NULL) {
+		return test_status;
+	}
 
 	xprt_register(svcr);
 	//call routine
-- 
2.27.0