Functions working with attribute_groups provided by <linux/device.h> work with const attribute_group. These attribute_group structures do not change at runtime so mark them as const.
File size before: text data bss dec hex filename 28565 7300 0 35865 8c19 drivers/thunderbolt/switch.o File size after: text data bss dec hex filename 28661 7204 0 35865 8c19 drivers/thunderbolt/switch.o This change was made with the help of Coccinelle. Signed-off-by: Amitoj Kaur Chawla <amitoj1...@gmail.com> --- drivers/thunderbolt/switch.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/thunderbolt/switch.c b/drivers/thunderbolt/switch.c index e9391bb..6cd4f14 100644 --- a/drivers/thunderbolt/switch.c +++ b/drivers/thunderbolt/switch.c @@ -970,7 +970,7 @@ static umode_t switch_attr_is_visible(struct kobject *kobj, return sw->safe_mode ? 0 : attr->mode; } -static struct attribute_group switch_group = { +static const struct attribute_group switch_group = { .is_visible = switch_attr_is_visible, .attrs = switch_attrs, }; -- 2.7.4