diff --git a/block/partition-generic.c b/block/partition-generic.c
index 9e8a94761b57a716f0a012e93d89de7fef9387c9..1fa7aa82c768b164f36fd9e95de18d4811d03f2d 100644
--- a/block/partition-generic.c
+++ b/block/partition-generic.c
@@ -464,7 +464,7 @@ static int drop_partitions(struct gendisk *disk, struct block_device *bdev)
 	struct hd_struct *part;
 	int res;
 
-	if (bdev->bd_part_count || bdev->bd_openers)
+	if (bdev->bd_part_count || bdev->bd_openers > 1)
 		return -EBUSY;
 	res = invalidate_partition(disk, 0);
 	if (res)