advancedtls: check error before deferring close (#3659)

grpc · Jun 5, 2020 · 479df5e · 479df5e
1 parent ad51f57
commit 479df5e
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/security/advancedtls/advancedtls_integration_test.go b/security/advancedtls/advancedtls_integration_test.go
@@ -405,10 +405,10 @@ func TestEnd2End(t *testing.T) {
 			s := grpc.NewServer(grpc.Creds(serverTLSCreds))
 			defer s.Stop()
 			lis, err := net.Listen("tcp", port)
-			defer lis.Close()
 			if err != nil {
 				t.Fatalf("failed to listen: %v", err)
 			}
+			defer lis.Close()
 			pb.RegisterGreeterServer(s, &serverImpl{})
 			go s.Serve(lis)
 			clientOptions := &ClientOptions{