linux-kernel - Re: [PATCH] staging: unisys: visorchipset: constify attribute

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Message-ID: <20170728043533.GB27597@kroah.com>
Date:   Thu, 27 Jul 2017 21:35:33 -0700
From:   Greg KH <gregkh@...uxfoundation.org>
To:     Amitoj Kaur Chawla <amitoj1606@...il.com>
Cc:     david.kershner@...sys.com, sparmaintainer@...sys.com,
        devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] staging: unisys: visorchipset: constify attribute_group
 structure

On Wed, Jul 26, 2017 at 09:51:32PM -0400, Amitoj Kaur Chawla wrote:
> Functions working with attribute_groups provided by <linux/device.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
>  24124     6216     448   30788    7844
> drivers/staging/unisys/visorbus/visorchipset.o
> 
> File size after:
>  text     data     bss     dec     hex filename
>  24220    6120     448   30788    7844
> drivers/staging/unisys/visorbus/visorchipset.o
> 
> This change was made with the help of Coccinelle.
> 
> Signed-off-by: Amitoj Kaur Chawla <amitoj1606@...il.com>
> ---
>  drivers/staging/unisys/visorbus/visorchipset.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
> index 2215056..798a92e 100644
> --- a/drivers/staging/unisys/visorbus/visorchipset.c
> +++ b/drivers/staging/unisys/visorbus/visorchipset.c
> @@ -1146,7 +1146,7 @@ static struct attribute *visorchipset_parahotplug_attrs[] = {
>  	NULL
>  };
>  
> -static struct attribute_group visorchipset_parahotplug_group = {
> +static const struct attribute_group visorchipset_parahotplug_group = {
>  	.name = "parahotplug",
>  	.attrs = visorchipset_parahotplug_attrs
>  };

Someone else sent this change right before you did :(