reflector: exit retry loop on closed stopCh

staging/src/k8s.io/client-go/tools/cache/reflector.go

@@ -295,6 +295,13 @@ func (r *Reflector) ListAndWatch(stopCh <-chan struct{}) error {
 	}()
 
 	for {
+		// give the stopCh a chance to stop the loop, even in case of continue statements further down on errors
+		select {
+		case <-stopCh:
+			return nil
+		default:
+		}
+
 		timemoutseconds := int64(minWatchTimeout.Seconds() * (rand.Float64() + 1.0))
 		options = metav1.ListOptions{
 			ResourceVersion: resourceVersion,