linux-kernel - [PATCH] net: bonding: constify attribute

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Message-Id: <d0e5b0546d4502cc28bac2e4663a84be7343acba.1499681432.git.arvind.yadav.cs@gmail.com>
Date:   Mon, 10 Jul 2017 15:46:10 +0530
From:   Arvind Yadav <arvind.yadav.cs@...il.com>
To:     j.vosburgh@...il.com, vfalico@...il.com, andy@...yhouse.net,
        davem@...emloft.net
Cc:     netdev@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH] net: bonding: constify attribute_group structures.

attribute_groups are not supposed to change at runtime. All functions
working with attribute_groups provided by <linux/netdevice.h> work
with const attribute_group. So mark the non-const structs as const.

File size before:
   text	   data	    bss	    dec	    hex	filename
   4512	   1472	      0	   5984	   1760	drivers/net/bonding/bond_sysfs.o

File size After adding 'const':
   text	   data	    bss	    dec	    hex	filename
   4576	   1408	      0	   5984	   1760	drivers/net/bonding/bond_sysfs.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com>
---
 drivers/net/bonding/bond_sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/bonding/bond_sysfs.c b/drivers/net/bonding/bond_sysfs.c
index 770623a..040b493 100644
--- a/drivers/net/bonding/bond_sysfs.c
+++ b/drivers/net/bonding/bond_sysfs.c
@@ -759,7 +759,7 @@ static DEVICE_ATTR(ad_user_port_key, S_IRUGO | S_IWUSR,
 	NULL,
 };
 
-static struct attribute_group bonding_group = {
+static const struct attribute_group bonding_group = {
 	.name = "bonding",
 	.attrs = per_bond_attrs,
 };
-- 
1.9.1