linux-kernel - [PATCH 2/2] power: supply: core: Constify static struct attribute

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Date:   Wed, 13 Jan 2021 21:32:43 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Sebastian Reichel <sre@...nel.org>,
        Mike Looijmans <mike.looijmans@...ic.nl>
Cc:     linux-pm@...r.kernel.org, linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 2/2] power: supply: core: Constify static struct attribute_group

The only usage of it is to put its address in an array of pointers to
const static structs. Make it const to allow the compiler to put it in
read-only memory.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/power/supply/power_supply_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/power/supply/power_supply_sysfs.c b/drivers/power/supply/power_supply_sysfs.c
index 92dd63171193..c3d7cbcd4fad 100644
--- a/drivers/power/supply/power_supply_sysfs.c
+++ b/drivers/power/supply/power_supply_sysfs.c
@@ -374,7 +374,7 @@ static umode_t power_supply_attr_is_visible(struct kobject *kobj,
 	return 0;
 }
 
-static struct attribute_group power_supply_attr_group = {
+static const struct attribute_group power_supply_attr_group = {
 	.attrs = __power_supply_attrs,
 	.is_visible = power_supply_attr_is_visible,
 };
-- 
2.30.0