linux-kernel - Re: [PATCH] ACPI / dock: constify attribute

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Date:   Fri, 4 Aug 2017 00:17:06 +0200
From:   "Rafael J. Wysocki" <rafael@...nel.org>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>
Cc:     "Rafael J. Wysocki" <rjw@...ysocki.net>,
        Len Brown <lenb@...nel.org>,
        ACPI Devel Maling List <linux-acpi@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ACPI / dock: constify attribute_group structures.

On Thu, Aug 3, 2017 at 3:18 PM, Arvind Yadav <arvind.yadav.cs@...il.com> wrote:
> attribute_group are not supposed to change at runtime. All functions
> working with attribute_group provided by <linux/sysfs.h> work with
> const attribute_group. So mark the non-const structs as const.
>
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>

Somebody else sent an analogous patch earlier, so I'm going to take that one.

> ---
>  drivers/acpi/dock.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/acpi/dock.c b/drivers/acpi/dock.c
> index 0c00208..2305e1a 100644
> --- a/drivers/acpi/dock.c
> +++ b/drivers/acpi/dock.c
> @@ -585,7 +585,7 @@ static ssize_t show_dock_type(struct device *dev,
>         NULL
>  };
>
> -static struct attribute_group dock_attribute_group = {
> +static const struct attribute_group dock_attribute_group = {
>         .attrs = dock_attributes
>  };
>
> --
> 1.9.1
>
> --
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