linux-kernel - [PATCH 12/39] mtd: nand: denali: return 0 for uncorrectable ECC error

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Message-Id: <1480183585-592-13-git-send-email-yamada.masahiro@socionext.com>
Date:   Sun, 27 Nov 2016 03:05:58 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     linux-mtd@...ts.infradead.org
Cc:     Masahiro Yamada <yamada.masahiro@...ionext.com>,
        linux-kernel@...r.kernel.org,
        Boris Brezillon <boris.brezillon@...e-electrons.com>,
        Marek Vasut <marek.vasut@...il.com>,
        Brian Norris <computersforpeace@...il.com>,
        Richard Weinberger <richard@....at>,
        David Woodhouse <dwmw2@...radead.org>,
        Cyrille Pitchen <cyrille.pitchen@...el.com>
Subject: [PATCH 12/39] mtd: nand: denali: return 0 for uncorrectable ECC error

When uncorrectable ECC error happens, whether the page is erased or
not, the ecc.read_page() should return zero.

Signed-off-by: Masahiro Yamada <yamada.masahiro@...ionext.com>
---

 drivers/mtd/nand/denali.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/mtd/nand/denali.c b/drivers/mtd/nand/denali.c
index ae9a8d2..a6445d9 100644
--- a/drivers/mtd/nand/denali.c
+++ b/drivers/mtd/nand/denali.c
@@ -1160,6 +1160,7 @@ static int denali_read_page(struct mtd_info *mtd, struct nand_chip *chip,
 		if (!is_erased(buf, mtd->writesize) ||
 		    !is_erased(chip->oob_poi, mtd->oobsize))
 			mtd->ecc_stats.failed++;
+		return 0;
 	}
 	return max_bitflips;
 }
-- 
2.7.4