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| author | Thomas Gleixner <tglx@cruncher.tec.linutronix.de> | 2006-05-29 14:56:39 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@cruncher.tec.linutronix.de> | 2006-05-29 15:06:51 +0200 |
| commit | 9a1fcdfd4bee27c418424cac47abf7c049541297 (patch) | |
| tree | 5baa5f1e1d1a296a319bf6a5a4b636668c107e00 /drivers/mtd/nand | |
| parent | 8593fbc68b0df1168995de76d1af38eb62fd6b62 (diff) | |
| download | linux-9a1fcdfd4bee27c418424cac47abf7c049541297.tar.gz linux-9a1fcdfd4bee27c418424cac47abf7c049541297.tar.bz2 linux-9a1fcdfd4bee27c418424cac47abf7c049541297.zip | |
[MTD] NAND Signal that a bitflip was corrected by ECC
Return -EUCLEAN on read when a bitflip was detected and corrected, so the
clients can react and eventually copy the affected block to a spare one.
Make all in kernel users aware of the change.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'drivers/mtd/nand')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index b8e6e1579cf1..7a3a44907715 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1035,7 +1035,10 @@ static int nand_do_read_ops(struct mtd_info *mtd, loff_t from, if (ret) return ret; - return mtd->ecc_stats.failed - stats.failed ? -EBADMSG : 0; + if (mtd->ecc_stats.failed - stats.failed) + return -EBADMSG; + + return mtd->ecc_stats.corrected - stats.corrected ? -EUCLEAN : 0; } /** |