linux-kernel - [PATCH] Input: atkbd - constify static struct attribute

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Date:   Wed, 28 Jul 2021 19:53:03 +0200
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Dmitry Torokhov <dmitry.torokhov@...il.com>
Cc:     YueHaibing <yuehaibing@...wei.com>, linux-input@...r.kernel.org,
        linux-kernel@...r.kernel.org,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH] Input: atkbd - constify static struct attribute_group

The struct atkbd_attribute_group is only used by passing its address to
sysfs_create_group() and sysfs_remove_group(), both which takes pointers
to const struct attribute_group. Make it const to allow the compiler to
put it in read-only memory.

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

diff --git a/drivers/input/keyboard/atkbd.c b/drivers/input/keyboard/atkbd.c
index fbdef95291e9..c96e4dcb43d8 100644
--- a/drivers/input/keyboard/atkbd.c
+++ b/drivers/input/keyboard/atkbd.c
@@ -335,7 +335,7 @@ static umode_t atkbd_attr_is_visible(struct kobject *kobj,
 	return attr->mode;
 }
 
-static struct attribute_group atkbd_attribute_group = {
+static const struct attribute_group atkbd_attribute_group = {
 	.attrs	= atkbd_attributes,
 	.is_visible = atkbd_attr_is_visible,
 };
-- 
2.32.0