--- zzzz-none-000/linux-3.10.107/drivers/mtd/nand/nand_ecc.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/mtd/nand/nand_ecc.c	2021-02-04 17:41:59.000000000 +0000
@@ -506,8 +506,8 @@
 	if ((bitsperbyte[b0] + bitsperbyte[b1] + bitsperbyte[b2]) == 1)
 		return 1;	/* error in ECC data; no action needed */
 
-	pr_err("%s: uncorrectable ECC error", __func__);
-	return -1;
+	pr_err("%s: uncorrectable ECC error\n", __func__);
+	return -EBADMSG;
 }
 EXPORT_SYMBOL(__nand_correct_data);