diff --git a/drivers/md/md.c b/drivers/md/md.c
index 61f68689ddfda994cedb8a2c7dcc9e652ed7ad68..6980f8b207c5dddf1f17806f1bc52f24165a7da7 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -5743,6 +5743,7 @@ 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;