diff --git a/drivers/md/dm.c b/drivers/md/dm.c
index 29af584ae83870bd12dcb42512d26e91ce5fc3d9..dfd03785890263f6e42233481040933fcef5cd6c 100644
--- a/drivers/md/dm.c
+++ b/drivers/md/dm.c
@@ -891,6 +891,10 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent)
 	if (!md->disk)
 		goto bad4;
 
+	atomic_set(&md->pending, 0);
+	init_waitqueue_head(&md->wait);
+	init_waitqueue_head(&md->eventq);
+
 	md->disk->major = _major;
 	md->disk->first_minor = minor;
 	md->disk->fops = &dm_blk_dops;
@@ -900,10 +904,6 @@ static struct mapped_device *alloc_dev(unsigned int minor, int persistent)
 	add_disk(md->disk);
 	format_dev_t(md->name, MKDEV(_major, minor));
 
-	atomic_set(&md->pending, 0);
-	init_waitqueue_head(&md->wait);
-	init_waitqueue_head(&md->eventq);
-
 	/* Populate the mapping, nobody knows we exist yet */
 	spin_lock(&_minor_lock);
 	old_md = idr_replace(&_minor_idr, md, minor);