diff options
| author |   Manuel Pégourié-Gonnard <mpg@elzevir.fr> | 2015-12-29 12:32:20 +0100 |
|---|---|---|
| committer |   Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2016-02-07 20:11:51 -0800 |
| commit | e5b3ecebdf153509118ab1de6b3707a9889c300d (patch) | |
| tree | 41e1a724212774e3f9eb2ee0fc0e655c91fcadbd /drivers/staging/mt29f_spinand | |
| parent | Staging: gdm72xx: Prefer using the BIT macro (diff) | |
| download | linux-dev-e5b3ecebdf153509118ab1de6b3707a9889c300d.tar.xz linux-dev-e5b3ecebdf153509118ab1de6b3707a9889c300d.zip | |
staging: mt29f: fix unchecked malloc()
The pointer is unconditionally dereferenced a few lines later, we need to make
sure it isn't NULL.
Signed-off-by: Manuel Pégourié-Gonnard <mpg@elzevir.fr>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/staging/mt29f_spinand')
| -rw-r--r-- | drivers/staging/mt29f_spinand/mt29f_spinand.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/drivers/staging/mt29f_spinand/mt29f_spinand.c b/drivers/staging/mt29f_spinand/mt29f_spinand.c index 197d1124733d..983371b52ed4 100644 --- a/drivers/staging/mt29f_spinand/mt29f_spinand.c +++ b/drivers/staging/mt29f_spinand/mt29f_spinand.c @@ -483,8 +483,11 @@ static int spinand_program_page(struct spi_device *spi_nand, #ifdef CONFIG_MTD_SPINAND_ONDIEECC unsigned int i, j; - enable_read_hw_ecc = 0; wbuf = devm_kzalloc(&spi_nand->dev, CACHE_BUF, GFP_KERNEL); + if (!wbuf) + return -ENOMEM; + + enable_read_hw_ecc = 0; spinand_read_page(spi_nand, page_id, 0, CACHE_BUF, wbuf); for (i = offset, j = 0; i < len; i++, j++) |