linux-kernel - [PATCH] staging: unisys: visorchipset: constify attribute

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Message-ID: <20170727015132.GA10264@amitoj-Inspiron-3542>
Date:   Wed, 26 Jul 2017 21:51:32 -0400
From:   Amitoj Kaur Chawla <amitoj1606@...il.com>
To:     david.kershner@...sys.com, gregkh@...uxfoundation.org,
        sparmaintainer@...sys.com, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] staging: unisys: visorchipset: constify attribute_group
 structure

Functions working with attribute_groups provided by <linux/device.h>
work with const attribute_group. These attribute_group structures do not
change at runtime so mark them as const.

File size before:
 text      data     bss     dec     hex filename
 24124     6216     448   30788    7844
drivers/staging/unisys/visorbus/visorchipset.o

File size after:
 text     data     bss     dec     hex filename
 24220    6120     448   30788    7844
drivers/staging/unisys/visorbus/visorchipset.o

This change was made with the help of Coccinelle.

Signed-off-by: Amitoj Kaur Chawla <amitoj1606@...il.com>
---
 drivers/staging/unisys/visorbus/visorchipset.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/unisys/visorbus/visorchipset.c b/drivers/staging/unisys/visorbus/visorchipset.c
index 2215056..798a92e 100644
--- a/drivers/staging/unisys/visorbus/visorchipset.c
+++ b/drivers/staging/unisys/visorbus/visorchipset.c
@@ -1146,7 +1146,7 @@ static struct attribute *visorchipset_parahotplug_attrs[] = {
 	NULL
 };
 
-static struct attribute_group visorchipset_parahotplug_group = {
+static const struct attribute_group visorchipset_parahotplug_group = {
 	.name = "parahotplug",
 	.attrs = visorchipset_parahotplug_attrs
 };
-- 
2.7.4