@ -265,7 +265,7 @@ func (d *Device) Upgrade(path string) error {
return d.install([]string{"-r"}, path)
}
func getResultLine(out io.ReadCloser) string {
func getResultLine(out io.Reader) string {
scanner := bufio.NewScanner(out)
for scanner.Scan() {
l := scanner.Text()