linux-kernel - Re: [PATCH] efi: use default_groups in kobj

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Date:   Thu, 6 Jan 2022 11:20:33 +0100
From:   Ard Biesheuvel <ardb@...nel.org>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Cc:     Linux Kernel Mailing List <linux-kernel@...r.kernel.org>,
        linux-efi <linux-efi@...r.kernel.org>
Subject: Re: [PATCH] efi: use default_groups in kobj_type

On Wed, 5 Jan 2022 at 19:37, Greg Kroah-Hartman
<gregkh@...uxfoundation.org> wrote:
>
> There are currently 2 ways to create a set of sysfs files for a
> kobj_type, through the default_attrs field, and the default_groups
> field.  Move the firmware efi sysfs code to use default_groups
> field which has been the preferred way since aa30f47cf666 ("kobject: Add
> support for default attribute groups to kobj_type") so that we can soon
> get rid of the obsolete default_attrs field.
>
> Cc: Ard Biesheuvel <ardb@...nel.org>
> Cc: linux-efi@...r.kernel.org
> Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>

Queued up, thanks.

> ---
>  drivers/firmware/efi/efivars.c     | 3 ++-
>  drivers/firmware/efi/esrt.c        | 4 +++-
>  drivers/firmware/efi/runtime-map.c | 3 ++-
>  3 files changed, 7 insertions(+), 3 deletions(-)
>
> diff --git a/drivers/firmware/efi/efivars.c b/drivers/firmware/efi/efivars.c
> index e6b16b3a17a8..ea0bc39dc965 100644
> --- a/drivers/firmware/efi/efivars.c
> +++ b/drivers/firmware/efi/efivars.c
> @@ -352,11 +352,12 @@ static struct attribute *def_attrs[] = {
>         &efivar_attr_raw_var.attr,
>         NULL,
>  };
> +ATTRIBUTE_GROUPS(def);
>
>  static struct kobj_type efivar_ktype = {
>         .release = efivar_release,
>         .sysfs_ops = &efivar_attr_ops,
> -       .default_attrs = def_attrs,
> +       .default_groups = def_groups,
>  };
>
>  static ssize_t efivar_create(struct file *filp, struct kobject *kobj,
> diff --git a/drivers/firmware/efi/esrt.c b/drivers/firmware/efi/esrt.c
> index d5915272141f..2a2f52b017e7 100644
> --- a/drivers/firmware/efi/esrt.c
> +++ b/drivers/firmware/efi/esrt.c
> @@ -146,6 +146,8 @@ static struct attribute *esre1_attrs[] = {
>         &esre_last_attempt_status.attr,
>         NULL
>  };
> +ATTRIBUTE_GROUPS(esre1);
> +
>  static void esre_release(struct kobject *kobj)
>  {
>         struct esre_entry *entry = to_entry(kobj);
> @@ -157,7 +159,7 @@ static void esre_release(struct kobject *kobj)
>  static struct kobj_type esre1_ktype = {
>         .release = esre_release,
>         .sysfs_ops = &esre_attr_ops,
> -       .default_attrs = esre1_attrs,
> +       .default_groups = esre1_groups,
>  };
>
>
> diff --git a/drivers/firmware/efi/runtime-map.c b/drivers/firmware/efi/runtime-map.c
> index ad9ddefc9dcb..92a3d45a795c 100644
> --- a/drivers/firmware/efi/runtime-map.c
> +++ b/drivers/firmware/efi/runtime-map.c
> @@ -79,6 +79,7 @@ static struct attribute *def_attrs[] = {
>         &map_attribute_attr.attr,
>         NULL
>  };
> +ATTRIBUTE_GROUPS(def);
>
>  static const struct sysfs_ops map_attr_ops = {
>         .show = map_attr_show,
> @@ -94,7 +95,7 @@ static void map_release(struct kobject *kobj)
>
>  static struct kobj_type __refdata map_ktype = {
>         .sysfs_ops      = &map_attr_ops,
> -       .default_attrs  = def_attrs,
> +       .default_groups = def_groups,
>         .release        = map_release,
>  };
>
> --
> 2.34.1
>