2023-02-17 03:17:58

by Thomas Weißschuh

Subject: [PATCH] padata: Make kobj_type structure constant

Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
the driver core allows the usage of const struct kobj_type.

Take advantage of this to constify the structure definition to prevent
modification at runtime.

Signed-off-by: Thomas Weißschuh <[email protected]>
---
kernel/padata.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/kernel/padata.c b/kernel/padata.c
index e007b8a4b738..106d08ee9ce2 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -967,7 +967,7 @@ static const struct sysfs_ops padata_sysfs_ops = {
.store = padata_sysfs_store,
};

-static struct kobj_type padata_attr_type = {
+static const struct kobj_type padata_attr_type = {
.sysfs_ops = &padata_sysfs_ops,
.default_groups = padata_default_groups,
.release = padata_sysfs_release,

---
base-commit: 3ac88fa4605ec98e545fb3ad0154f575fda2de5f
change-id: 20230217-kobj_type-padata-288edceca728

Best regards,
--
Thomas Weißschuh <[email protected]>

2023-02-17 16:15:59

by Daniel Jordan

Subject: Re: [PATCH] padata: Make kobj_type structure constant

On Fri, Feb 17, 2023 at 03:17:49AM +0000, Thomas Wei?schuh wrote:
> Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
> the driver core allows the usage of const struct kobj_type.
>
> Take advantage of this to constify the structure definition to prevent
> modification at runtime.
>
> Signed-off-by: Thomas Wei?schuh <[email protected]>

I see the symbol in .rodata now. Thanks.

Acked-by: Daniel Jordan <[email protected]>

> ---
> kernel/padata.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/padata.c b/kernel/padata.c
> index e007b8a4b738..106d08ee9ce2 100644
> --- a/kernel/padata.c
> +++ b/kernel/padata.c
> @@ -967,7 +967,7 @@ static const struct sysfs_ops padata_sysfs_ops = {
> .store = padata_sysfs_store,
> };
>
> -static struct kobj_type padata_attr_type = {
> +static const struct kobj_type padata_attr_type = {
> .sysfs_ops = &padata_sysfs_ops,
> .default_groups = padata_default_groups,
> .release = padata_sysfs_release,
>
> ---
> base-commit: 3ac88fa4605ec98e545fb3ad0154f575fda2de5f
> change-id: 20230217-kobj_type-padata-288edceca728
>
> Best regards,
> --
> Thomas Wei?schuh <[email protected]>
>

2023-03-10 11:27:07

by Herbert Xu

Subject: Re: [PATCH] padata: Make kobj_type structure constant

Thomas Wei?schuh <[email protected]> wrote:
> Since commit ee6d3dd4ed48 ("driver core: make kobj_type constant.")
> the driver core allows the usage of const struct kobj_type.
>
> Take advantage of this to constify the structure definition to prevent
> modification at runtime.
>
> Signed-off-by: Thomas Wei?schuh <[email protected]>
> ---
> kernel/padata.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)

Patch applied. Thanks.
--
Email: Herbert Xu <[email protected]>
Home Page: http://gondor.apana.org.au/~herbert/
PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt