--- zzzz-none-000/linux-4.4.60/drivers/mtd/ubi/ubi.h	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/drivers/mtd/ubi/ubi.h	2018-11-08 13:36:17.000000000 +0000
@@ -741,6 +741,7 @@
 	int mean_ec;
 	uint64_t ec_sum;
 	int ec_count;
+	bool eof_found;
 	struct kmem_cache *aeb_slab_cache;
 };