linux-kernel - [PATCH 2/3] mfd: lm3533: Constify static struct attribute

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Message-Id: <20210131133644.8834-3-rikard.falkeborn@gmail.com>
Date:   Sun, 31 Jan 2021 14:36:43 +0100
From:   Rikard Falkeborn <rikard.falkeborn@...il.com>
To:     Lee Jones <lee.jones@...aro.org>
Cc:     linux-kernel@...r.kernel.org, Tim Harvey <tharvey@...eworks.com>,
        Robert Jones <rjones@...eworks.com>,
        Rikard Falkeborn <rikard.falkeborn@...il.com>
Subject: [PATCH 2/3] mfd: lm3533: Constify static struct attribute_group

The only usage of lm3533_attribute_group is to pass its address to
sysfs_create_group() and sysfs_remove_group(), both which takes pointers
to const attribute_group structs. Make it const to allow the compiler to
put it in read-only memory.

Done with the help of coccinelle.

Signed-off-by: Rikard Falkeborn <rikard.falkeborn@...il.com>
---
 drivers/mfd/lm3533-core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/mfd/lm3533-core.c b/drivers/mfd/lm3533-core.c
index 22fdffd564f7..523dcf05db78 100644
--- a/drivers/mfd/lm3533-core.c
+++ b/drivers/mfd/lm3533-core.c
@@ -373,7 +373,7 @@ static umode_t lm3533_attr_is_visible(struct kobject *kobj,
 	return mode;
 };
 
-static struct attribute_group lm3533_attribute_group = {
+static const struct attribute_group lm3533_attribute_group = {
 	.is_visible	= lm3533_attr_is_visible,
 	.attrs		= lm3533_attributes
 };
-- 
2.30.0