[PATCH] mtd: rawnand: atmel: Check return values for nand_read_data_op

[Alex Dewar]

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.dewa...@gmail.com>
---
 drivers/mtd/nand/raw/atmel/nand-controller.c | 10 ++++++++--
 1 file 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;
-- 
2.28.0