linux-kernel - [PATCH] acpi: bgrt: constify attribute

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Date:   Fri, 30 Jun 2017 18:06:34 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     rjw@...ysocki.net, lenb@...nel.org, rafael.j.wysocki@...el.com
Cc:     linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] acpi: bgrt: 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/acpi/bgrt.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/acpi/bgrt.c b/drivers/acpi/bgrt.c
index df1c629..75af783 100644
--- a/drivers/acpi/bgrt.c
+++ b/drivers/acpi/bgrt.c
@@ -76,7 +76,7 @@ static ssize_t image_read(struct file *file, struct kobject *kobj,
 	NULL,
 };

-static struct attribute_group bgrt_attribute_group = {
+static const struct attribute_group bgrt_attribute_group = {
 	.attrs = bgrt_attributes,
 	.bin_attrs = bgrt_bin_attributes,
 };
-- 
1.9.1