diff options
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/nand_base.c | 13 |
1 files changed, 10 insertions, 3 deletions
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c index 4047d7c2fee6..d47586cf64ce 100644 --- a/drivers/mtd/nand/nand_base.c +++ b/drivers/mtd/nand/nand_base.c @@ -1791,6 +1791,7 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from, int readlen = ops->ooblen; int len; uint8_t *buf = ops->oobbuf; + int ret = 0; pr_debug("%s: from = 0x%08Lx, len = %i\n", __func__, (unsigned long long)from, readlen); @@ -1826,9 +1827,12 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from, while (1) { if (ops->mode == MTD_OPS_RAW) - chip->ecc.read_oob_raw(mtd, chip, page); + ret = chip->ecc.read_oob_raw(mtd, chip, page); else - chip->ecc.read_oob(mtd, chip, page); + ret = chip->ecc.read_oob(mtd, chip, page); + + if (ret < 0) + break; len = min(len, readlen); buf = nand_transfer_oob(chip, buf, ops, len); @@ -1857,7 +1861,10 @@ static int nand_do_read_oob(struct mtd_info *mtd, loff_t from, } } - ops->oobretlen = ops->ooblen; + ops->oobretlen = ops->ooblen - readlen; + + if (ret < 0) + return ret; if (mtd->ecc_stats.failed - stats.failed) return -EBADMSG; |