HID: multitouch: 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: Jiri Kosina <jkosina@suse.cz>

diff --git a/drivers/hid/hid-multitouch.c b/drivers/hid/hid-multitouch.c
index aff20f4b6d97ead09453b303eaf4ac3ac94e1628..e8acf93e6597df5b5981a913ac54d116e1fe2a77 100644 (file)
--- a/drivers/hid/hid-multitouch.c
+++ b/drivers/hid/hid-multitouch.c
@@ -341,7 +341,7 @@ static struct attribute *sysfs_attrs[] = {
        NULL
 };
 
-static struct attribute_group mt_attribute_group = {
+static const struct attribute_group mt_attribute_group = {
        .attrs = sysfs_attrs
 };