linux-kernel - [PATCH 1/3] char: tlclk: constify attribute

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Message-Id: <1501672745-2951-2-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Wed,  2 Aug 2017 16:49:05 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     arnd@...db.de, gregkh@...uxfoundation.org, mark.gross@...el.com
Cc:     linux-kernel@...r.kernel.org
Subject: [PATCH 1/3] char: tlclk: 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/char/tlclk.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/char/tlclk.c b/drivers/char/tlclk.c
index 572a517..6210bff 100644
--- a/drivers/char/tlclk.c
+++ b/drivers/char/tlclk.c
@@ -766,7 +766,7 @@ static ssize_t store_reset (struct device *d,
 	NULL
 };

-static struct attribute_group tlclk_attribute_group = {
+static const struct attribute_group tlclk_attribute_group = {
 	.name = NULL,		/* put in device directory */
 	.attrs = tlclk_sysfs_entries,
 };
-- 
1.9.1