[#302] Fix golint else/return linter errors

Signed-off-by: Alex Vanin <alexey@nspcc.ru>

cmd/neofs-node/attributes.go

@@ -32,9 +32,9 @@ func readAttributes(v *viper.Viper) (attrs []string) {
 		attr := v.GetString(cfgNodeAttributePrefix + "_" + strconv.Itoa(i))
 		if attr == "" {
 			return
-		} else {
-			attrs = append(attrs, attr)
 		}
+
+		attrs = append(attrs, attr)
 	}
 
 	return attrs

pkg/local_object_storage/blobstor/put.go

@@ -42,7 +42,8 @@ func (b *BlobStor) Put(prm *PutPrm) (*PutRes, error) {
 	if big {
 		// save object in shallow dir
 		return new(PutRes), b.fsTree.put(prm.obj.Address(), data)
-	} else {
+	}
+
 	// save object in blobovnicza
 	res, err := b.blobovniczas.put(prm.obj.Address(), data)
 	if err != nil {
@@ -54,7 +55,6 @@ func (b *BlobStor) Put(prm *PutPrm) (*PutRes, error) {
 			blobovniczaID: res,
 		},
 	}, nil
-	}
 }
 
 func (t *fsTree) put(addr *objectSDK.Address, data []byte) error {

pkg/morph/client/audit/wrapper/result.go

@@ -62,12 +62,13 @@ func (w *ClientWrapper) ListAuditResultIDByCID(epoch uint64, cid *container.ID)
 	args := audit.ListResultsByCIDArgs{}
 	args.SetEpoch(int64(epoch))
 
-	if v2 := cid.ToV2(); v2 == nil {
+	v2 := cid.ToV2()
+	if v2 == nil {
 		return nil, errUnsupported // use other major version if there any
-	} else {
-		args.SetCID(v2.GetValue())
 	}
 
+	args.SetCID(v2.GetValue())
+
 	values, err := (*audit.Client)(w).ListAuditResultsByCID(args)
 	if err != nil {
 		return nil, err
@@ -83,12 +84,13 @@ func (w *ClientWrapper) ListAuditResultIDByNode(epoch uint64, cid *container.ID,
 	args.SetEpoch(int64(epoch))
 	args.SetNodeKey(key)
 
-	if v2 := cid.ToV2(); v2 == nil {
+	v2 := cid.ToV2()
+	if v2 == nil {
 		return nil, errUnsupported // use other major version if there any
-	} else {
-		args.SetCID(v2.GetValue())
 	}
 
+	args.SetCID(v2.GetValue())
+
 	values, err := (*audit.Client)(w).ListAuditResultsByNode(args)
 	if err != nil {
 		return nil, err

pkg/morph/client/container/wrapper/container.go

@@ -55,12 +55,13 @@ func (w *Wrapper) Get(cid *container.ID) (*container.Container, error) {
 
 	args := client.GetArgs{}
 
-	if v2 := cid.ToV2(); v2 == nil {
+	v2 := cid.ToV2()
+	if v2 == nil {
 		return nil, errUnsupported // use other major version if there any
-	} else {
-		args.SetCID(v2.GetValue())
 	}
 
+	args.SetCID(v2.GetValue())
+
 	// ask RPC neo node to get serialized container
 	rpcAnswer, err := w.client.Get(args)
 	if err != nil {
@@ -97,12 +98,13 @@ func (w *Wrapper) Delete(cid *container.ID, signature []byte) error {
 	args := client.DeleteArgs{}
 	args.SetSignature(signature)
 
-	if v2 := cid.ToV2(); v2 == nil {
+	v2 := cid.ToV2()
+	if v2 == nil {
 		return errUnsupported // use other major version if there any
-	} else {
-		args.SetCID(v2.GetValue())
 	}
 
+	args.SetCID(v2.GetValue())
+
 	return w.client.Delete(args)
 }
 

pkg/morph/client/container/wrapper/eacl.go

@@ -17,12 +17,13 @@ func (w *Wrapper) GetEACL(cid *containerSDK.ID) (*eacl.Table, []byte, error) {
 
 	args := client.EACLArgs{}
 
-	if v2 := cid.ToV2(); v2 == nil {
+	v2 := cid.ToV2()
+	if v2 == nil {
 		return nil, nil, errUnsupported // use other major version if there any
-	} else {
-		args.SetCID(v2.GetValue())
 	}
 
+	args.SetCID(v2.GetValue())
+
 	rpcAnswer, err := w.client.EACL(args)
 	if err != nil {
 		return nil, nil, err

pkg/services/object/acl/acl.go

@@ -489,9 +489,9 @@ func getContainerIDFromRequest(req interface{}) (id *container.ID, err error) {
 		objPart := v.GetBody().GetObjectPart()
 		if part, ok := objPart.(*object.PutObjectPartInit); ok {
 			return container.NewIDFromV2(part.GetHeader().GetContainerID()), nil
-		} else {
-			return nil, errors.New("can't get cid in chunk")
 		}
+
+		return nil, errors.New("can't get cid in chunk")
 	case *object.HeadRequest:
 		return container.NewIDFromV2(v.GetBody().GetAddress().GetContainerID()), nil
 	case *object.SearchRequest:
@@ -543,16 +543,16 @@ func getObjectOwnerFromMessage(req interface{}) (id *owner.ID, err error) {
 		objPart := v.GetBody().GetObjectPart()
 		if part, ok := objPart.(*object.PutObjectPartInit); ok {
 			return owner.NewIDFromV2(part.GetHeader().GetOwnerID()), nil
-		} else {
-			return nil, errors.New("can't get cid in chunk")
 		}
+
+		return nil, errors.New("can't get cid in chunk")
 	case *object.GetResponse:
 		objPart := v.GetBody().GetObjectPart()
 		if part, ok := objPart.(*object.GetObjectPartInit); ok {
 			return owner.NewIDFromV2(part.GetHeader().GetOwnerID()), nil
-		} else {
-			return nil, errors.New("can't get cid in chunk")
 		}
+
+		return nil, errors.New("can't get cid in chunk")
 	default:
 		return nil, errors.New("unsupported request type")
 	}

pkg/services/object/get/util.go

@@ -102,12 +102,12 @@ func (c *clientWrapper) getObject(exec *execCtx) (*objectSDK.Object, error) {
 		}
 
 		return payloadOnlyObject(data), nil
-	} else {
+	}
+
 	return c.client.GetObject(exec.context(),
 		exec.remotePrm(),
 		exec.callOptions()...,
 	)
-	}
 }
 
 func (e *storageEngineWrapper) get(exec *execCtx) (*object.Object, error) {

pkg/services/object/put/streamer.go

@@ -136,7 +136,8 @@ func (p *Streamer) newCommonTarget(prm *PutInitPrm) transformer.ObjectTarget {
 				return &localTarget{
 					storage: p.localStore,
 				}
-			} else {
+			}
+
 			return &remoteTarget{
 				ctx:         p.ctx,
 				keyStorage:  p.keyStorage,
@@ -145,7 +146,6 @@ func (p *Streamer) newCommonTarget(prm *PutInitPrm) transformer.ObjectTarget {
 				clientCache: p.clientCache,
 				clientOpts:  p.clientOpts,
 			}
-			}
 		},
 		fmt: p.fmtValidator,
 		log: p.log,

pkg/services/object/util/chain.go

@@ -119,10 +119,10 @@ func traverseSplitChain(r HeadReceiver, addr *objectSDK.Address, h SplitMemberHa
 				if stop, err := traverseSplitChain(r, addr, func(member *object.Object, reverseDirection bool) (stop bool) {
 					if !reverseDirection {
 						return h(member, false)
-					} else {
+					}
+
 					reverseChain = append(reverseChain, member)
 					return false
-					}
 				}); err != nil || stop {
 					return stop, err
 				}