diff --git a/drivers/md/md.c b/drivers/md/md.c
index b6ad04b58766..cd6797b3cdf7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5454,12 +5454,14 @@ static void md_clean(struct mddev *mddev)
 	mddev->degraded = 0;
 	mddev->safemode = 0;
 	mddev->private = NULL;
+	mddev->cluster_info = NULL;
 	mddev->bitmap_info.offset = 0;
 	mddev->bitmap_info.default_offset = 0;
 	mddev->bitmap_info.default_space = 0;
 	mddev->bitmap_info.chunksize = 0;
 	mddev->bitmap_info.daemon_sleep = 0;
 	mddev->bitmap_info.max_write_behind = 0;
+	mddev->bitmap_info.nodes = 0;
 }
 
 static void __md_stop_writes(struct mddev *mddev)