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Date: Fri, 30 Jun 2017 18:32:49 +0530 From: Arvind Yadav <arvind.yadav.cs@...il.com> To: rjw@...ysocki.net, lenb@...nel.org, rafael.j.wysocki@...el.com Cc: linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH] ACPI / DPTF: constify attribute_group structures. attribute_groups are not supposed to change at runtime. All functions working with attribute_groups provided by <linux/sysfs.h> work with const attribute_group. So mark the non-const structs as const. File size before: text data bss dec hex filename 904 496 0 1400 578 drivers/acpi/dptf/dptf_power.o File size After adding 'const': text data bss dec hex filename 944 432 0 1376 560 drivers/acpi/dptf/dptf_power.o Signed-off-by: Arvind Yadav <arvind.yadav.cs@...il.com> --- drivers/acpi/dptf/dptf_power.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/acpi/dptf/dptf_power.c b/drivers/acpi/dptf/dptf_power.c index 734642d..e1c2425 100644 --- a/drivers/acpi/dptf/dptf_power.c +++ b/drivers/acpi/dptf/dptf_power.c @@ -65,7 +65,7 @@ NULL }; -static struct attribute_group dptf_power_attribute_group = { +static const struct attribute_group dptf_power_attribute_group = { .attrs = dptf_power_attrs, .name = "dptf_power" }; -- 1.9.1
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