--- zzzz-none-000/linux-4.4.60/drivers/mtd/nand/diskonchip.c	2017-04-08 07:53:53.000000000 +0000
+++ dragonfly-4020-701/linux-4.4.60/drivers/mtd/nand/diskonchip.c	2018-11-08 13:36:17.000000000 +0000
@@ -798,7 +798,7 @@
 	}
 }
 
-static int doc200x_block_bad(struct mtd_info *mtd, loff_t ofs, int getchip)
+static int doc200x_block_bad(struct mtd_info *mtd, loff_t ofs)
 {
 	/* This is our last resort if we couldn't find or create a BBT.  Just
 	   pretend all blocks are good. */