--- a/drivers/mtd/devices/block2mtd.c
+++ b/drivers/mtd/devices/block2mtd.c
@@ -330,7 +330,7 @@ static int block2mtd_refresh(struct mtd_
 	_close_bdev(dev);
 
 	/* open the whole disk, issue a partition rescan, then */
-	bdev = blkdev_get_by_dev(devt, FMODE_WRITE | FMODE_READ);
+	bdev = blkdev_get_by_dev(devt, FMODE_WRITE | FMODE_READ, mtd);
 	if (!bdev || !bdev->bd_disk)
 		err = -EINVAL;
 #ifndef CONFIG_MTD_BLOCK2MTD_MODULE