diff --git a/block/badblocks.c b/block/badblocks.c
index fabf6b64c2d1..37e5c0a2ef69 100644
--- a/block/badblocks.c
+++ b/block/badblocks.c
@@ -555,6 +555,8 @@ EXPORT_SYMBOL_GPL(badblocks_init);
  */
 void badblocks_exit(struct badblocks *bb)
 {
+	if (!bb)
+		return;
 	kfree(bb->page);
 	bb->page = NULL;
 }
diff --git a/block/genhd.c b/block/genhd.c
index f463c67e6ba2..aa38cd0a66c7 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -670,11 +670,6 @@ void del_gendisk(struct gendisk *disk)
 	blk_unregister_queue(disk);
 	blk_unregister_region(disk_devt(disk), disk->minors);
 
-	if (disk->bb) {
-		badblocks_exit(disk->bb);
-		kfree(disk->bb);
-	}
-
 	part_stat_set_all(&disk->part0, 0);
 	disk->part0.stamp = 0;