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

From: Jacek Anaszewski
Date: Mon Aug 14 2017 - 16:48:20 EST


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@xxxxxxxxx>
> ---
> 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,
> };
>