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Re: [PATCH 1/2] leds: blinkm: constify attribute_group structure

From Jacek Anaszewski <jacek.anaszewski@gmail.com>
Newsgroups linux.kernel
Subject Re: [PATCH 1/2] leds: blinkm: constify attribute_group structure
Date 2017-08-14 22:50 +0200
Message-ID <ueutb-n0-1@gated-at.bofh.it> (permalink)
References <ucYvp-83r-45@gated-at.bofh.it>
Organization linux.* mail to news gateway

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Hi Amitoj,

Similar patch is already queued in the for-next branch
of linux-leds.git.

Thanks,
Jacek Anaszewski

On 08/10/2017 06:28 PM, Amitoj Kaur Chawla wrote:
> Functions working with attribute_groups provided by <linux/sysfs.h>
> work with const attribute_group. These attribute_group structures do not
> change at runtime so mark them as const.
> 
> File size before:
>  text      data     bss     dec     hex filename
>  8657      3496      64   12217    2fb9 drivers/leds/leds-blinkm.o
> 
> File size after:
>  text      data     bss     dec     hex filename
>  8753      3400      64   12217    2fb9 drivers/leds/leds-blinkm.o
> 
> This change was made with the help of Coccinelle.
> 
> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@gmail.com>
> ---
>  drivers/leds/leds-blinkm.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/leds/leds-blinkm.c b/drivers/leds/leds-blinkm.c
> index 617fe97..d03ed6b 100644
> --- a/drivers/leds/leds-blinkm.c
> +++ b/drivers/leds/leds-blinkm.c
> @@ -298,7 +298,7 @@ static struct attribute *blinkm_attrs[] = {
>  	NULL,
>  };
>  
> -static struct attribute_group blinkm_group = {
> +static const struct attribute_group blinkm_group = {
>  	.name = "blinkm",
>  	.attrs = blinkm_attrs,
>  };
> 

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Re: [PATCH 1/2] leds: blinkm: constify attribute_group structure Jacek Anaszewski <jacek.anaszewski@gmail.com> - 2017-08-14 22:50 +0200

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