fix lint

Author: umagnus

pkg/blob/controllerserver.go

@@ -440,17 +440,18 @@ func (d *Driver) CreateVolume(ctx context.Context, req *csi.CreateVolumeRequest)
 		if err != nil {
 			return nil, status.Errorf(codes.Internal, "failed to getAzcopyAuth on account(%s) rg(%s), error: %v", accountOptions.Name, accountOptions.ResourceGroup, err)
 		}
-		err = d.copyVolume(ctx, req, accountName, accountSASToken, authAzcopyEnv, validContainerName, secretNamespace, accountOptions, storageEndpointSuffix)
-		if accountSASToken == "" && err != nil && strings.Contains(err.Error(), authorizationPermissionMismatch) {
-			klog.Warningf("azcopy copy failed with AuthorizationPermissionMismatch error, should assign \"Storage Blob Data Contributor\" role to controller identity, fall back to use sas token, original error: %v", err)
+		var copyErr error
+		copyErr = d.copyVolume(ctx, req, accountName, accountSASToken, authAzcopyEnv, validContainerName, secretNamespace, accountOptions, storageEndpointSuffix)
+		if accountSASToken == "" && copyErr != nil && strings.Contains(copyErr.Error(), authorizationPermissionMismatch) {
+			klog.Warningf("azcopy copy failed with AuthorizationPermissionMismatch error, should assign \"Storage Blob Data Contributor\" role to controller identity, fall back to use sas token, original error: %v", copyErr)
 			accountSASToken, authAzcopyEnv, err := d.getAzcopyAuth(ctx, accountName, accountKey, storageEndpointSuffix, accountOptions, secrets, secretName, secretNamespace, true)
 			if err != nil {
 				return nil, status.Errorf(codes.Internal, "failed to getAzcopyAuth on account(%s) rg(%s), error: %v", accountOptions.Name, accountOptions.ResourceGroup, err)
 			}
-			err = d.copyVolume(ctx, req, accountName, accountSASToken, authAzcopyEnv, validContainerName, secretNamespace, accountOptions, storageEndpointSuffix)
+			copyErr = d.copyVolume(ctx, req, accountName, accountSASToken, authAzcopyEnv, validContainerName, secretNamespace, accountOptions, storageEndpointSuffix)
 		}
-		if err != nil {
-			return nil, err
+		if copyErr != nil {
+			return nil, copyErr
 		}
 	}