bug in golang function

wfBuildMap.go

//BuildMap export a simple link map from graphviz
func BuildMap(name string, path string) (eMap *ExportMap, err error) {

	gr, err := readGraphvizFile(path)
	if err != nil {
		return nil, err
	}
	s, err := linkNode(gr)
	if err != nil {
		return nil, err
	}

	eMap.Name = name
	eMap.Path = path

	for _, node := range s.Nodes {
		var newNode exportNode
		newNode.Name = node.Name
		newNode.Parrent = append(newNode.Parrent, node.ParrentName...)
		newNode.Children = append(newNode.Children, node.ChildrenName...)
		eMap.Nodes = append(eMap.Nodes, newNode)
	}

	return eMap, nil
}

//BuildMap export a simple link map from graphviz
//var eMap = make(map...) or sth here

func BuildMap(name string, path string) (*ExportMap, error) {

	gr, err := readGraphvizFile(path)
	if err != nil {
		return nil, err
	}
	s, err := linkNode(gr)
	if err != nil {
		return nil, err
	}

	eMap.Name = name
	eMap.Path = path

	for _, node := range s.Nodes {
		var newNode exportNode
		newNode.Name = node.Name
		newNode.Parrent = append(newNode.Parrent, node.ParrentName...)
		newNode.Children = append(newNode.Children, node.ChildrenName...)
		eMap.Nodes = append(eMap.Nodes, newNode)
	}

	return eMap, nil
}