diff --git a/drivers/md/md.c b/drivers/md/md.c
index 759b91d2b537b0427d8ea21c324bbd29a4635947..5b96e3e887594e564b4f2f9e398dcc69a9643b90 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -3391,10 +3391,10 @@ rdev_attr_store(struct kobject *kobj, struct attribute *attr,
 		return -EIO;
 	if (!capable(CAP_SYS_ADMIN))
 		return -EACCES;
-	rv = mddev ? mddev_lock(mddev): -EBUSY;
+	rv = mddev ? mddev_lock(mddev) : -ENODEV;
 	if (!rv) {
 		if (rdev->mddev == NULL)
-			rv = -EBUSY;
+			rv = -ENODEV;
 		else
 			rv = entry->store(rdev, page, length);
 		mddev_unlock(mddev);