[PATCH] tango_nand.c: fix ecc.stats_corrected in empty flash case

Pavel Machek
2017-04-22T10:40:40Z

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Fix ecc.stats_corrected in empty flash case.

Signed-off-by: Pavel Machek <pavel@denx.de>

---

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;