linux-kernel - [PATCH v2 3/3] staging: lustre: obdclass: linux: constify attribute

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Message-Id: <1500282990-23929-4-git-send-email-arvind.yadav.cs@gmail.com>
Date:   Mon, 17 Jul 2017 14:46:30 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     dvhart@...radead.org, andy@...radead.org, jwoithe@...t42.net,
        cezary.jackiewicz@...il.com, corentin.chary@...il.com,
        laforge@...monks.org, coproscefalo@...il.com
Cc:     platform-driver-x86@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2 3/3] staging: lustre: obdclass: linux: constify attribute_group structures.

attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups 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/staging/lustre/lustre/obdclass/linux/linux-module.c | 2 +-
 drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
index 9f5e829..eb88bd9 100644
--- a/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
+++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-module.c
@@ -405,7 +405,7 @@ static int obd_device_list_open(struct inode *inode, struct file *file)
 struct kobject *lustre_kobj;
 EXPORT_SYMBOL_GPL(lustre_kobj);
 
-static struct attribute_group lustre_attr_group = {
+static const struct attribute_group lustre_attr_group = {
 	.attrs = lustre_attrs,
 };
 
diff --git a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
index e6c785a..814334b 100644
--- a/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
+++ b/drivers/staging/lustre/lustre/obdclass/linux/linux-sysctl.c
@@ -151,7 +151,7 @@ static ssize_t max_dirty_mb_store(struct kobject *kobj, struct attribute *attr,
 	NULL,
 };
 
-static struct attribute_group lustre_attr_group = {
+static const struct attribute_group lustre_attr_group = {
 	.attrs = lustre_attrs,
 };
 
-- 
1.9.1