Remove unnecessary return value.

hieda_yamlutil/yamlutil.go

@@ -185,7 +185,7 @@ func CreateHiedaLoggerFromYAMLData(cfgdata CommonLogConfigYAML, autoStartAliSLS
 	return hyu, nil
 }
 
-func AddBackendsFromYAMLDataWithExistedLogger(logger *hiedalog.HiedaLogger, cfgdata CommonLogConfigYAML, autoStartAliSLS bool) (*HiedaLogYamlUtil, error) {
+func AddBackendsFromYAMLDataWithExistedLogger(logger *hiedalog.HiedaLogger, cfgdata CommonLogConfigYAML, autoStartAliSLS bool) error {
 	hyu := &HiedaLogYamlUtil{
 		Logger:         logger,
 		alisls_bknlist: make([]*hiedabke_alisls.HiedaBackendAliSLS, 0),
@@ -196,7 +196,7 @@ func AddBackendsFromYAMLDataWithExistedLogger(logger *hiedalog.HiedaLogger, cfgd
 			for k, v := range cfgdata.Backends {
 				lvi := hyu.Logger.LevelFilter.NameToID(v.Level)
 				if lvi == 7 {
-					return nil, fmt.Errorf("unsupported log level '%s' in backend '%s'", v.Level, k)
+					return fmt.Errorf("unsupported log level '%s' in backend '%s'", v.Level, k)
 				}
 				var cins hiedalog.HiedaLogBackend
 				var err error
@@ -208,10 +208,10 @@ func AddBackendsFromYAMLDataWithExistedLogger(logger *hiedalog.HiedaLogger, cfgd
 				case "alisls":
 					cins, err = hyu.parseAlislsBackend(v)
 				default:
-					return nil, fmt.Errorf("unsupported log backend type '%s' in backend '%s'", v.Type, k)
+					return fmt.Errorf("unsupported log backend type '%s' in backend '%s'", v.Type, k)
 				}
 				if err != nil {
-					return nil, err
+					return err
 				}
 				hyu.Logger.AddBackend(cins, lvi)
 				hyu.AddedBackends[k] = &cins
@@ -221,5 +221,5 @@ func AddBackendsFromYAMLDataWithExistedLogger(logger *hiedalog.HiedaLogger, cfgd
 	if autoStartAliSLS {
 		hyu.StartAliSLS()
 	}
-	return hyu, nil
+	return nil
 }