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Re: hwmon: constify attribute_group structures.

From Guenter Roeck <linux@roeck-us.net>
Newsgroups linux.kernel
Subject Re: hwmon: constify attribute_group structures.
Date 2017-07-08 18:00 +0200
Message-ID <u10jg-42Y-19@gated-at.bofh.it> (permalink)
References <tZKJz-1Ny-7@gated-at.bofh.it>
Organization linux.* mail to news gateway

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On Wed, Jul 05, 2017 at 10:31:05AM +0530, Arvind Yadav wrote:
> attribute_groups are not supposed to change at runtime. All functions
> working with attribute_groups provided by <linux/sysfs.h> work with const
> attribute_group. So mark the non-const structs as const.
> 
> File size before:
>    text	   data	    bss	    dec	    hex	filename
>    6655	    304	      0	   6959	   1b2f	drivers/hwmon/hwmon.o
> 
> File size After adding 'const':
>    text	   data	    bss	    dec	    hex	filename
>    6703	    240	      0	   6943	   1b1f	drivers/hwmon/hwmon.o
> 
> Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>

Applied to hwmon-next.

Thanks,
Guenter

> ---
>  drivers/hwmon/hwmon.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/hwmon/hwmon.c b/drivers/hwmon/hwmon.c
> index dd6e17c..2ac578a 100644
> --- a/drivers/hwmon/hwmon.c
> +++ b/drivers/hwmon/hwmon.c
> @@ -85,7 +85,7 @@ static umode_t hwmon_dev_name_is_visible(struct kobject *kobj,
>  	return attr->mode;
>  }
>  
> -static struct attribute_group hwmon_dev_attr_group = {
> +static const struct attribute_group hwmon_dev_attr_group = {
>  	.attrs		= hwmon_dev_attrs,
>  	.is_visible	= hwmon_dev_name_is_visible,
>  };

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[PATCH] hwmon: constify attribute_group structures. Arvind Yadav <arvind.yadav.cs@gmail.com> - 2017-07-05 07:10 +0200
  Re: hwmon: constify attribute_group structures. Guenter Roeck <linux@roeck-us.net> - 2017-07-08 18:00 +0200

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