fix: unnecessary check and restore log trace

pkg/driver/efs_watch_dog.go

@@ -287,14 +287,11 @@ func (w *execWatchdog) updateConfig(efsClientSource string) error {
 	region := os.Getenv("AWS_DEFAULT_REGION")
 	fipsEnabled := os.Getenv("FIPS_ENABLED")
 	portRangeUpperBound := os.Getenv("PORT_RANGE_UPPER_BOUND")
-	if portRangeUpperBound == "" {
+	val, err := strconv.Atoi(portRangeUpperBound)
+	if err != nil || val < 21049 {
 		portRangeUpperBound = "21049"
-	} else {
-		val, err := strconv.Atoi(portRangeUpperBound)
-		if err != nil || val < 21049 {
-			portRangeUpperBound = "21049"
-		}
 	}
+
 	efsCfg := efsUtilsConfig{EfsClientSource: efsClientSource, Region: region, FipsEnabled: fipsEnabled, PortRangeUpperBound: portRangeUpperBound}
 	if err = efsCfgTemplate.Execute(f, efsCfg); err != nil {
 		return fmt.Errorf("cannot update config %s for efs-utils. Error: %v", w.efsUtilsCfgPath, err)
@@ -322,6 +319,7 @@ func (w *execWatchdog) runLoop(stopCh <-chan struct{}) {
 	for {
 		select {
 		case <-stopCh:
+			klog.Info("stopping...")
 			break
 		default:
 			err := w.exec()