mtd: rawnand: omap: Check return values

Check the return value of many helpers which might return error codes.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210610134906.3503303-4-miquel.raynal@bootlin.com
This commit is contained in:
Miquel Raynal 2021-06-10 15:49:04 +02:00
parent e29973843d
commit 11a0177828

View File

@ -1528,7 +1528,9 @@ static int omap_write_page_bch(struct nand_chip *chip, const uint8_t *buf,
int ret;
uint8_t *ecc_calc = chip->ecc.calc_buf;
nand_prog_page_begin_op(chip, page, 0, NULL, 0);
ret = nand_prog_page_begin_op(chip, page, 0, NULL, 0);
if (ret)
return ret;
/* Enable GPMC ecc engine */
chip->ecc.hwctl(chip, NAND_ECC_WRITE);
@ -1537,7 +1539,9 @@ static int omap_write_page_bch(struct nand_chip *chip, const uint8_t *buf,
chip->legacy.write_buf(chip, buf, mtd->writesize);
/* Update ecc vector from GPMC result registers */
omap_calculate_ecc_bch_multi(mtd, buf, &ecc_calc[0]);
ret = omap_calculate_ecc_bch_multi(mtd, buf, &ecc_calc[0]);
if (ret)
return ret;
ret = mtd_ooblayout_set_eccbytes(mtd, ecc_calc, chip->oob_poi, 0,
chip->ecc.total);
@ -1580,7 +1584,9 @@ static int omap_write_subpage_bch(struct nand_chip *chip, u32 offset,
* ECC is calculated for all subpages but we choose
* only what we want.
*/
nand_prog_page_begin_op(chip, page, 0, NULL, 0);
ret = nand_prog_page_begin_op(chip, page, 0, NULL, 0);
if (ret)
return ret;
/* Enable GPMC ECC engine */
chip->ecc.hwctl(chip, NAND_ECC_WRITE);
@ -1639,7 +1645,9 @@ static int omap_read_page_bch(struct nand_chip *chip, uint8_t *buf,
int stat, ret;
unsigned int max_bitflips = 0;
nand_read_page_op(chip, page, 0, NULL, 0);
ret = nand_read_page_op(chip, page, 0, NULL, 0);
if (ret)
return ret;
/* Enable GPMC ecc engine */
chip->ecc.hwctl(chip, NAND_ECC_READ);
@ -1648,13 +1656,17 @@ static int omap_read_page_bch(struct nand_chip *chip, uint8_t *buf,
chip->legacy.read_buf(chip, buf, mtd->writesize);
/* Read oob bytes */
nand_change_read_column_op(chip,
mtd->writesize + BBM_LEN,
chip->oob_poi + BBM_LEN,
chip->ecc.total, false);
ret = nand_change_read_column_op(chip,
mtd->writesize + BBM_LEN,
chip->oob_poi + BBM_LEN,
chip->ecc.total, false);
if (ret)
return ret;
/* Calculate ecc bytes */
omap_calculate_ecc_bch_multi(mtd, buf, ecc_calc);
ret = omap_calculate_ecc_bch_multi(mtd, buf, ecc_calc);
if (ret)
return ret;
ret = mtd_ooblayout_get_eccbytes(mtd, ecc_code, chip->oob_poi, 0,
chip->ecc.total);