--- zzzz-none-000/linux-3.10.107/drivers/mtd/nand/nand_ecc.c	2017-06-27 09:49:32.000000000 +0000
+++ vr9-7490-729/linux-3.10.107/drivers/mtd/nand/nand_ecc.c	2021-11-10 11:53:55.000000000 +0000
@@ -507,7 +507,7 @@
 		return 1;	/* error in ECC data; no action needed */
 
 	pr_err("%s: uncorrectable ECC error", __func__);
-	return -1;
+	return -EBADMSG;
 }
 EXPORT_SYMBOL(__nand_correct_data);