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authorMiquel Raynal <miquel.raynal@bootlin.com>2021-06-10 15:49:04 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2021-06-18 09:45:21 +0200
commit11a017782852ad6a59d7a449b69478ddc1d30cf0 (patch)
treedc8eb29538987fb390acf8adb28a99c1ece3678e /drivers/mtd/nand/raw
parente29973843d9293a57c5c8f14094d0fa74b770ed7 (diff)
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
Diffstat (limited to 'drivers/mtd/nand/raw')
-rw-r--r--drivers/mtd/nand/raw/omap2.c30
1 files changed, 21 insertions, 9 deletions
diff --git a/drivers/mtd/nand/raw/omap2.c b/drivers/mtd/nand/raw/omap2.c
index 659ca8ab490e..bb28f2b0ecef 100644
--- a/drivers/mtd/nand/raw/omap2.c
+++ b/drivers/mtd/nand/raw/omap2.c
@@ -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);