2017-08-04 06:26:16

by Arvind Yadav

Subject: [PATCH] leds: blinkm: constify attribute_group structures.

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 <[email protected]>
---
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,
};
--
1.9.1

2017-08-04 19:58:18

by Jacek Anaszewski

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 <[email protected]>
> ---
> 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