diff --git a/drivers/md/md.c b/drivers/md/md.c
index e072ccb087353047c2785826488e3e3667190540..9013a1bbd10b8a30dd7ccd9233f126a8725df00a 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5690,6 +5690,7 @@ static int md_alloc(dev_t dev, char *name)
 	 * completely removed (mddev_delayed_delete).
 	 */
 	flush_workqueue(md_misc_wq);
+	flush_workqueue(md_rdev_misc_wq);
 
 	mutex_lock(&disks_mutex);
 	error = -EEXIST;