HID: ntrig: 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-ntrig.c b/drivers/hid/hid-ntrig.c
index 1b0084d..3d121d8 100644 (file)
--- a/drivers/hid/hid-ntrig.c
+++ b/drivers/hid/hid-ntrig.c
@@ -445,7 +445,7 @@ static struct attribute *sysfs_attrs[] = {
        NULL
 };
 
-static struct attribute_group ntrig_attribute_group = {
+static const struct attribute_group ntrig_attribute_group = {
        .attrs = sysfs_attrs
 };