linux-kernel - [PATCH 1/4] HID: multitouch: constify attribute

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Message-Id: <1501759603-18121-2-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Thu,  3 Aug 2017 16:56:43 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     jikos@...nel.org, benjamin.tissoires@...hat.com
Cc:     linux-kernel@...r.kernel.org, linux-input@...r.kernel.org
Subject: [PATCH 1/4] HID: multitouch: 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/hid/hid-multitouch.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index f3e35e7..58285bc 100644
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -341,7 +341,7 @@ static ssize_t mt_set_quirks(struct device *dev,
 	NULL
 };

-static struct attribute_group mt_attribute_group = {
+static const struct attribute_group mt_attribute_group = {
 	.attrs = sysfs_attrs
 };

-- 
1.9.1