linux-kernel - Re: [PATCH] leds: blinkm: constify attribute

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Message-ID: <c8a12023-33fc-8dab-cf36-1457c20cb225@gmail.com>
Date:   Fri, 4 Aug 2017 21:57:33 +0200
From:   Jacek Anaszewski <jacek.anaszewski@...il.com>
To:     Arvind Yadav <arvind.yadav.cs@...il.com>, jansimon.moeller@....de,
        rpurdie@...ys.net, pavel@....cz
Cc:     linux-leds@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] leds: blinkm: constify attribute_group structures.

Hi Arvind,

Thanks for the patch.

On 08/04/2017 08:25 AM, Arvind Yadav 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>
> ---
>  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 ssize_t store_test(struct device *dev, struct device_attribute *attr,
>  	NULL,
>  };
>  
> -static struct attribute_group blinkm_group = {
> +static const struct attribute_group blinkm_group = {
>  	.name = "blinkm",
>  	.attrs = blinkm_attrs,
>  };
> 

Applied to the for-next branch of linux-leds.git.

-- 
Best regards,
Jacek Anaszewski