Commit a937729c authored Mar 09, 2018 by Himanshu Jha Committed by Jonathan Cameron Mar 10, 2018

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>

parent 2ab5b724

drivers/iio/potentiometer/ds1803.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -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:

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