--- zzzz-none-000/linux-4.9.231/drivers/mtd/ubi/vmt.c	2020-07-22 07:10:54.000000000 +0000
+++ falcon-5590-729/linux-4.9.231/drivers/mtd/ubi/vmt.c	2022-03-30 12:03:34.000000000 +0000
@@ -348,6 +348,7 @@
 	ubi_err(ubi, "cannot create volume %d, error %d", vol_id, err);
 	return err;
 }
+EXPORT_SYMBOL_GPL(ubi_create_volume);
 
 /**
  * ubi_remove_volume - remove volume.