net: bridge: constify attribute_group structures.
authorArvind Yadav <arvind.yadav.cs@gmail.com>
Thu, 29 Jun 2017 11:09:38 +0000 (16:39 +0530)
committerDavid S. Miller <davem@davemloft.net>
Thu, 29 Jun 2017 19:48:52 +0000 (15:48 -0400)
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.

File size before:
   text    data     bss     dec     hex filename
   2645     896       0    3541     dd5 net/bridge/br_sysfs_br.o

File size After adding 'const':
   text    data     bss     dec     hex filename
   2701     832       0    3533     dcd net/bridge/br_sysfs_br.o

Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
net/bridge/br_sysfs_br.c

index 0b5dd60..723f25e 100644 (file)
@@ -865,7 +865,7 @@ static struct attribute *bridge_attrs[] = {
        NULL
 };
 
-static struct attribute_group bridge_group = {
+static const struct attribute_group bridge_group = {
        .name = SYSFS_BRIDGE_ATTR,
        .attrs = bridge_attrs,
 };