linux-kernel - [PATCH] w1: constify attribute

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Message-Id: <25be12149a6cebe6977eeb7924164e265c91f4a0.1501237735.git.arvind.yadav.cs@gmail.com>
Date:   Fri, 28 Jul 2017 16:00:42 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     zbr@...emap.net, gregkh@...uxfoundation.org
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH] w1: 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 <arvind.yadav.cs@...il.com>
---
 drivers/w1/w1.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/w1/w1.c b/drivers/w1/w1.c
index 74471e7..0f614df 100644
--- a/drivers/w1/w1.c
+++ b/drivers/w1/w1.c
@@ -568,7 +568,7 @@ static ssize_t w1_master_attribute_store_remove(struct device *dev,
 	NULL
 };

-static struct attribute_group w1_master_defattr_group = {
+static const struct attribute_group w1_master_defattr_group = {
 	.attrs = w1_master_default_attrs,
 };

-- 
1.9.1