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mtd: docg4: ecc.read_page() returns 0 on uncorrectable errors 

Currently the docg4's ecc.read_page() method returns -EBADMSG when
uncorrectable bitflips occur.  This is wrong; 0 should be returned in
this case.  An error code should only be returned by this method in the
case of a hardware error (probably -EIO).

Signed-off-by: Mike Dunn <mikedunn@newsguy.com>
Acked-by: Brian Norris <computersforpeace@gmail.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
This commit is contained in:
Mike Dunn 2012-09-11 08:50:50 -07:00 committed by David Woodhouse
parent 61de9da657
commit 5bf3d66a93
1 changed files with 2 additions and 0 deletions
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2
drivers/mtd/nand/docg4.c
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@ -776,6 +776,8 @@ static int read_page(struct mtd_info *mtd, struct nand_chip *nand,
}
writew(0, docptr + DOC_DATAEND);
if (bits_corrected == -EBADMSG) /* uncorrectable errors */
return 0;
return bits_corrected;
}