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: keesc...@chromium.org Signed-off-by: Himanshu Jha <himanshujha199...@gmail.com> --- drivers/iio/potentiometer/ds1803.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/iio/potentiometer/ds1803.c b/drivers/iio/potentiometer/ds1803.c index 9b0ff4a..6bf12c9 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: -- 2.7.4
