diff options
| author | Himanshu Jha <himanshujha199640@gmail.com> | 2018-03-08 21:45:33 +0300 |
|---|---|---|
| committer | Jonathan Cameron <Jonathan.Cameron@huawei.com> | 2018-03-10 18:02:41 +0300 |
| commit | a937729c9358f1c66a444af1f4f64ececc9a2f68 (patch) | |
| tree | 296fdadbf0adf929396e3ed5c7545b23eca458fe /drivers/iio/potentiometer | |
| parent | 2ab5b72453672ea18a176925becc40888df435ce (diff) | |
| download | linux-a937729c9358f1c66a444af1f4f64ececc9a2f68.tar.xz | |
iio: potentiometer: ds1803: Remove VLA usage
In preparation to enabling -Wvla, remove VLA usage and replace it
with fixed a fixed length array and therefore, prevent potential
stack overflow attacks.
Fixed as a part of the discussion to remove all VLAs from the kernel:
https://lkml.org/lkml/2018/3/7/621
Cc: keescook@chromium.org
Signed-off-by: Himanshu Jha <himanshujha199640@gmail.com>
Signed-off-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Diffstat (limited to 'drivers/iio/potentiometer')
| -rw-r--r-- | drivers/iio/potentiometer/ds1803.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/iio/potentiometer/ds1803.c b/drivers/iio/potentiometer/ds1803.c index 9b0ff4ab2f9c..6bf12c9eccbd 100644 --- a/drivers/iio/potentiometer/ds1803.c +++ b/drivers/iio/potentiometer/ds1803.c @@ -64,7 +64,7 @@ static int ds1803_read_raw(struct iio_dev *indio_dev, struct ds1803_data *data = iio_priv(indio_dev); int pot = chan->channel; int ret; - u8 result[indio_dev->num_channels]; + u8 result[ARRAY_SIZE(ds1803_channels)]; switch (mask) { case IIO_CHAN_INFO_RAW: |