[tip:efi/core] firmware/efi: Constify attribute_group structures

[tip-bot for Arvind Yadav]

Commit-ID:  3ad6bd7c0a1c49a78d00001cfda3d474c23bc354
Gitweb:     http://git.kernel.org/tip/3ad6bd7c0a1c49a78d00001cfda3d474c23bc354
Author:     Arvind Yadav <arvind.yadav.cs@xxxxxxxxx>
AuthorDate: Fri, 18 Aug 2017 20:49:46 +0100
Committer:  Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Mon, 21 Aug 2017 09:43:51 +0200

firmware/efi: 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@xxxxxxxxx>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@xxxxxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Matt Fleming <matt@xxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: linux-efi@xxxxxxxxxxxxxxx
Link: http://lkml.kernel.org/r/20170818194947.19347-14-ard.biesheuvel@xxxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
 drivers/firmware/efi/efi.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/firmware/efi/efi.c b/drivers/firmware/efi/efi.c
index 045d6d3..6519be44 100644
--- a/drivers/firmware/efi/efi.c
+++ b/drivers/firmware/efi/efi.c
@@ -179,7 +179,7 @@ static umode_t efi_attr_is_visible(struct kobject *kobj,
 	return attr->mode;
 }
 
-static struct attribute_group efi_subsys_attr_group = {
+static const struct attribute_group efi_subsys_attr_group = {
 	.attrs = efi_subsys_attrs,
 	.is_visible = efi_attr_is_visible,
 };