Re: [PATCH] iio: accel: mma8452: Constify static struct attribute_group

From: Jonathan Cameron
Date: Sat Oct 10 2020 - 19:08:46 EST


On Thu, 1 Oct 2020 01:29:39 +0200
Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx> wrote:

> The only usage of mma8452_event_attribute_group is to assign its address
> to the event_attrs field in the iio_info struct, which is a const
> pointer. Make it const to allow the compiler to put it in read-only
> memory. This was the only non-const static struct in drivers/iio.
>
> Signed-off-by: Rikard Falkeborn <rikard.falkeborn@xxxxxxxxx>
applied.

Thanks,

Jonathan

> ---
> drivers/iio/accel/mma8452.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/iio/accel/mma8452.c b/drivers/iio/accel/mma8452.c
> index bf1d2c8afdbd..b0176d936423 100644
> --- a/drivers/iio/accel/mma8452.c
> +++ b/drivers/iio/accel/mma8452.c
> @@ -1187,7 +1187,7 @@ static struct attribute *mma8452_event_attributes[] = {
> NULL,
> };
>
> -static struct attribute_group mma8452_event_attribute_group = {
> +static const struct attribute_group mma8452_event_attribute_group = {
> .attrs = mma8452_event_attributes,
> };
>