code: func SetNodeRegistrationDynamicDefaults(cfg *kubeadmapi.NodeRegistrationOptions, ControlPlaneTaint bool) error {
  	var err error
  	cfg.Name, err = nodeutil.GetHostname(cfg.Name)
  	if err != nil {
  		return err
  	}
  
  	// Only if the slice is nil, we should append the control-plane taint. This allows the user to specify an empty slice for no default control-plane taint
  	if ControlPlaneTaint && cfg.Taints == nil {
  		cfg.Taints = []v1.Taint{kubeadmconstants.ControlPlaneTaint}
  	}
  
  	if cfg.CRISocket == "" {
  		cfg.CRISocket, err = kubeadmruntime.DetectCRISocket()
  		if err != nil {
  			return err
  		}
  		klog.V(1).Infof("detected and using CRI socket: %s", cfg.CRISocket)
  	}
  
  	return nil
  }
docs: // SetNodeRegistrationDynamicDefaults checks and sets configuration values for the NodeRegistration object