2022-02-11 07:14:50

by Daniel Axtens

[permalink] [raw]
Subject: Re: [PATCH 3/3] crypto/nx: Constify static attribute_group structs

Hi Rikard,

> The only usage of these is to pass their address to
> sysfs_{create,remove}_group(), which takes pointers to const struct
> attribute_group. Make them const to allow the compiler to put them in
> read-only memory.

I checked the file. Indeed, those structs are only used in
sysfs_{create,remove}_group. So I agree that they can be constified.

They also pass all the automated tests:
https://patchwork.ozlabs.org/project/linuxppc-dev/patch/[email protected]/

Reviewed-by: Daniel Axtens <[email protected]>

Kind regards,
Daniel

>
> Signed-off-by: Rikard Falkeborn <[email protected]>
> ---
> drivers/crypto/nx/nx-common-pseries.c | 4 ++--
> 1 file changed, 2 insertions(+), 2 deletions(-)
>
> diff --git a/drivers/crypto/nx/nx-common-pseries.c b/drivers/crypto/nx/nx-common-pseries.c
> index 4e304f6081e4..7584a34ba88c 100644
> --- a/drivers/crypto/nx/nx-common-pseries.c
> +++ b/drivers/crypto/nx/nx-common-pseries.c
> @@ -962,7 +962,7 @@ static struct attribute *nx842_sysfs_entries[] = {
> NULL,
> };
>
> -static struct attribute_group nx842_attribute_group = {
> +static const struct attribute_group nx842_attribute_group = {
> .name = NULL, /* put in device directory */
> .attrs = nx842_sysfs_entries,
> };
> @@ -992,7 +992,7 @@ static struct attribute *nxcop_caps_sysfs_entries[] = {
> NULL,
> };
>
> -static struct attribute_group nxcop_caps_attr_group = {
> +static const struct attribute_group nxcop_caps_attr_group = {
> .name = "nx_gzip_caps",
> .attrs = nxcop_caps_sysfs_entries,
> };
> --
> 2.35.1