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mtd: fix callback return value check 

Drivers may (and do) return negative errno values other than -1 from the
ecc.correct callback.

Signed-off-by: Baruch Siach <baruch@tkos.co.il>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Baruch Siach 2010-08-09 07:20:23 +03:00 committed by David Woodhouse
parent 899611ee7d
commit 12c8eb98de
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/nand/nand_base.c
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@ -1223,7 +1223,7 @@ static int nand_read_subpage(struct mtd_info *mtd, struct nand_chip *chip, uint3
int stat; int stat;
stat = chip->ecc.correct(mtd, p, &chip->buffers->ecccode[i], &chip->buffers->ecccalc[i]); stat = chip->ecc.correct(mtd, p, &chip->buffers->ecccode[i], &chip->buffers->ecccalc[i]);
if (stat == -1) if (stat < 0)
mtd->ecc_stats.failed++; mtd->ecc_stats.failed++;
else else
mtd->ecc_stats.corrected += stat; mtd->ecc_stats.corrected += stat;