clean up code

pkg/controller/endpoint/endpoints_controller.go

@@ -463,16 +463,15 @@ func (e *Controller) syncService(ctx context.Context, key string) error {
 	// See if there's actually an update here.
 	currentEndpoints, err := e.endpointsLister.Endpoints(service.Namespace).Get(service.Name)
 	if err != nil {
-		if errors.IsNotFound(err) {
+		if !errors.IsNotFound(err) {
+			return err
+		}
 		currentEndpoints = &v1.Endpoints{
 			ObjectMeta: metav1.ObjectMeta{
 				Name:   service.Name,
 				Labels: service.Labels,
 			},
 		}
-		} else {
-			return err
-		}
 	}
 
 	createEndpoints := len(currentEndpoints.ResourceVersion) == 0
@@ -618,13 +617,12 @@ func addEndpointSubset(subsets []v1.EndpointSubset, pod *v1.Pod, epa v1.Endpoint
 }
 
 func endpointPortFromServicePort(servicePort *v1.ServicePort, portNum int) *v1.EndpointPort {
-	epp := &v1.EndpointPort{
+	return &v1.EndpointPort{
 		Name:        servicePort.Name,
 		Port:        int32(portNum),
 		Protocol:    servicePort.Protocol,
 		AppProtocol: servicePort.AppProtocol,
 	}
-	return epp
 }
 
 // capacityAnnotationSetCorrectly returns false if number of endpoints is greater than maxCapacity or

pkg/controller/endpointslice/endpointslice_controller.go

@@ -326,15 +326,16 @@ func (c *Controller) syncService(key string) error {
 
 	service, err := c.serviceLister.Services(namespace).Get(name)
 	if err != nil {
-		if apierrors.IsNotFound(err) {
+		if !apierrors.IsNotFound(err) {
+			return err
+		}
+
 		c.triggerTimeTracker.DeleteService(namespace, name)
 		c.reconciler.deleteService(namespace, name)
 		c.endpointSliceTracker.DeleteService(namespace, name)
 		// The service has been deleted, return nil so that it won't be retried.
 		return nil
 	}
-		return err
-	}
 
 	if service.Spec.Selector == nil {
 		// services without a selector receive no endpoint slices from this controller;

test/integration/replicaset/replicaset_test.go

@@ -781,7 +781,10 @@ func TestPodOrphaningAndAdoptionWhenLabelsChange(t *testing.T) {
 		if err != nil {
 			// If the pod is not found, it means the RS picks the pod for deletion (it is extra)
 			// Verify there is only one pod in namespace and it has ControllerRef to the RS
-			if apierrors.IsNotFound(err) {
+			if !apierrors.IsNotFound(err) {
+				return false, err
+			}
+
 			pods := getPods(t, podClient, labelMap())
 			if len(pods.Items) != 1 {
 				return false, fmt.Errorf("Expected 1 pod in current namespace, got %d", len(pods.Items))
@@ -790,8 +793,6 @@ func TestPodOrphaningAndAdoptionWhenLabelsChange(t *testing.T) {
 			pod = &pods.Items[0]
 			return true, nil
 		}
-			return false, err
-		}
 		// Always update the pod so that we can save a GET call to API server later
 		pod = newPod
 		// If the pod is found, verify the pod has a ControllerRef

test/integration/replicationcontroller/replicationcontroller_test.go

@@ -682,7 +682,10 @@ func TestPodOrphaningAndAdoptionWhenLabelsChange(t *testing.T) {
 		if err != nil {
 			// If the pod is not found, it means the RC picks the pod for deletion (it is extra)
 			// Verify there is only one pod in namespace and it has ControllerRef to the RC
-			if apierrors.IsNotFound(err) {
+			if !apierrors.IsNotFound(err) {
+				return false, err
+			}
+
 			pods := getPods(t, podClient, labelMap())
 			if len(pods.Items) != 1 {
 				return false, fmt.Errorf("Expected 1 pod in current namespace, got %d", len(pods.Items))
@@ -691,8 +694,6 @@ func TestPodOrphaningAndAdoptionWhenLabelsChange(t *testing.T) {
 			pod = &pods.Items[0]
 			return true, nil
 		}
-			return false, err
-		}
 		// Always update the pod so that we can save a GET call to API server later
 		pod = newPod
 		// If the pod is found, verify the pod has a ControllerRef