minor refactoring

pkg/backup/writer/abs_writer.go

@@ -59,9 +59,7 @@ func (absw *absWriter) Write(path string, r io.Reader) (int64, error) {
 	}
 
 	blob := containerRef.GetBlobReference(key)
-	putBlobOpts := storage.PutBlobOptions{}
-
-	err = blob.CreateBlockBlob(&putBlobOpts)
+	err = blob.CreateBlockBlob(&storage.PutBlobOptions{})
 	if err != nil {
 		return 0, err
 	}
@@ -92,8 +90,7 @@ func (absw *absWriter) Write(path string, r io.Reader) (int64, error) {
 		return 0, err
 	}
 
-	getBlobOpts := &storage.GetBlobOptions{}
-	_, err = blob.Get(getBlobOpts)
+	_, err = blob.Get(&storage.GetBlobOptions{})
 	if err != nil {
 		return 0, err
 	}

pkg/util/azureutil/absfactory/client.go

@@ -41,7 +41,6 @@ func NewClientFromSecret(kubecli kubernetes.Interface, namespace, absSecret stri
 		}
 	}()
 
-	w = &ABSClient{}
 	se, err := kubecli.CoreV1().Secrets(namespace).Get(absSecret, metav1.GetOptions{})
 	if err != nil {
 		return nil, fmt.Errorf("failed to get k8s secret: %v", err)
@@ -58,6 +57,5 @@ func NewClientFromSecret(kubecli kubernetes.Interface, namespace, absSecret stri
 	}
 
 	abs := bc.GetBlobService()
-	w.ABS = &abs
-	return w, nil
+	return &ABSClient{ABS: &abs}, nil
 }