[PATCH] tango_nand.c: fix ecc.stats_corrected in empty flash case
From: Pavel Machek
Date: Sat Apr 22 2017 - 06:41:09 EST
Fix ecc.stats_corrected in empty flash case.
Signed-off-by: Pavel Machek <pavel@xxxxxxx>
---
This was suggested by Boris Brezillon in another context. Not tested;
I don't have the hardware.
diff --git a/drivers/mtd/nand/tango_nand.c b/drivers/mtd/nand/tango_nand.c
index 4a5e948..db4bff4 100644
--- a/drivers/mtd/nand/tango_nand.c
+++ b/drivers/mtd/nand/tango_nand.c
@@ -193,6 +193,8 @@ static int check_erased_page(struct nand_chip *chip, u8 *buf)
chip->ecc.strength);
if (res < 0)
mtd->ecc_stats.failed++;
+ else
+ mtd->ecc_stats.corrected += res;
bitflips = max(res, bitflips);
buf += pkt_size;
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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