diff options
| author | Alex Dewar <alex.dewar90@gmail.com> | 2020-09-14 22:42:44 +0100 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-09-30 16:44:17 +0200 |
| commit | d27c9859a0c2f270972c26df6b2d2cc69c6d30f4 (patch) | |
| tree | c7aab97fffadaf471403fd535afc429f413a873a /drivers/mtd/nand/raw/atmel/nand-controller.c | |
| parent | f7721e4bfec16c9e95e26f4b66bc4574076822d9 (diff) | |
| download | linux-d27c9859a0c2f270972c26df6b2d2cc69c6d30f4.tar.bz2 | |
mtd: rawnand: atmel: Check return values for nand_read_data_op
In atmel_nand_pmecc_read_pg(), nand_read_data_op() is called twice
without the return values being checked for errors. Add these checks.
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200914214245.14626-1-alex.dewar90@gmail.com
Diffstat (limited to 'drivers/mtd/nand/raw/atmel/nand-controller.c')
| -rw-r--r-- | drivers/mtd/nand/raw/atmel/nand-controller.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/drivers/mtd/nand/raw/atmel/nand-controller.c b/drivers/mtd/nand/raw/atmel/nand-controller.c index 309ce410d792..e6ceec8f50dc 100644 --- a/drivers/mtd/nand/raw/atmel/nand-controller.c +++ b/drivers/mtd/nand/raw/atmel/nand-controller.c @@ -948,11 +948,17 @@ static int atmel_nand_pmecc_read_pg(struct nand_chip *chip, u8 *buf, if (ret) return ret; - nand_read_data_op(chip, buf, mtd->writesize, false, false); - nand_read_data_op(chip, chip->oob_poi, mtd->oobsize, false, false); + ret = nand_read_data_op(chip, buf, mtd->writesize, false, false); + if (ret) + goto out_disable; + + ret = nand_read_data_op(chip, chip->oob_poi, mtd->oobsize, false, false); + if (ret) + goto out_disable; ret = atmel_nand_pmecc_correct_data(chip, buf, raw); +out_disable: atmel_nand_pmecc_disable(chip, raw); return ret; |