generate: fix mount-cgroups bug

Ma Shimiao · Ma Shimiao · commit c4fb2c048d2c · 2016-07-27T18:34:47.000+08:00
Signed-off-by: Ma Shimiao &lt;mashimiao.fnst@cn.fujitsu.com&gt;
diff --git a/generate/generate.go b/generate/generate.go
@@ -903,6 +903,7 @@ func (g *Generator) AddCgroupsMount(mountCgroupOption string) error {
 	switch mountCgroupOption {
 	case "ro":
 	case "rw":
+		break
 	case "no":
 		return nil
 	default:
