wireless: iwlegacy: constify attribute_group structures.

attribute_group are not supposed to change at runtime. All functions
working with attribute_group 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@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

diff --git a/drivers/net/wireless/intel/iwlegacy/3945-mac.c b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
index 38bf403..329f3a6 100644 (file)
--- a/drivers/net/wireless/intel/iwlegacy/3945-mac.c
+++ b/drivers/net/wireless/intel/iwlegacy/3945-mac.c
@@ -3464,7 +3464,7 @@ static struct attribute *il3945_sysfs_entries[] = {
        NULL
 };
 
-static struct attribute_group il3945_attribute_group = {
+static const struct attribute_group il3945_attribute_group = {
        .name = NULL,           /* put in device directory */
        .attrs = il3945_sysfs_entries,
 };