diff mbox series

ACPI: PM: s2idle: Remove useless variable ‘obj_new’ in lpi_device_get_constraints_amd

Message ID 20210106012301.71260-1-yebin10@huawei.com
State New
Headers show
Series ACPI: PM: s2idle: Remove useless variable ‘obj_new’ in lpi_device_get_constraints_amd | expand

Commit Message

Ye Bin Jan. 6, 2021, 1:23 a.m. UTC
Fix warning:
drivers/acpi/x86/s2idle.c:138:25: warning: variable ‘obj_new’ set but
not used [-Wunused-but-set-variable]
      union acpi_object *obj_new;
                               ^~~~~~~
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Ye Bin <yebin10@huawei.com>
---
 drivers/acpi/x86/s2idle.c | 2 --
 1 file changed, 2 deletions(-)

Comments

Rafael J. Wysocki Jan. 7, 2021, 1:28 p.m. UTC | #1
On Wed, Jan 6, 2021 at 2:13 AM Ye Bin <yebin10@huawei.com> wrote:
>

> Fix warning:

> drivers/acpi/x86/s2idle.c:138:25: warning: variable ‘obj_new’ set but

> not used [-Wunused-but-set-variable]

>       union acpi_object *obj_new;

>                                ^~~~~~~

> Reported-by: Hulk Robot <hulkci@huawei.com>

> Signed-off-by: Ye Bin <yebin10@huawei.com>

> ---

>  drivers/acpi/x86/s2idle.c | 2 --

>  1 file changed, 2 deletions(-)

>

> diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c

> index 25fea34b544c..e5fb17fd1020 100644

> --- a/drivers/acpi/x86/s2idle.c

> +++ b/drivers/acpi/x86/s2idle.c

> @@ -135,12 +135,10 @@ static void lpi_device_get_constraints_amd(void)

>

>                                 for (k = 0; k < info_obj->package.count; ++k) {

>                                         union acpi_object *obj = &info_obj->package.elements[k];

> -                                       union acpi_object *obj_new;

>

>                                         list = &lpi_constraints_table[lpi_constraints_table_size];

>                                         list->min_dstate = -1;

>

> -                                       obj_new = &obj[k];

>                                         switch (k) {

>                                         case 0:

>                                                 dev_info.enabled = obj->integer.value;

> --


I posted an alternative fix for this issue on Tue, sorry:

https://patchwork.kernel.org/project/linux-pm/patch/3607102.xkEKTzvHZR@kreacher/
diff mbox series

Patch

diff --git a/drivers/acpi/x86/s2idle.c b/drivers/acpi/x86/s2idle.c
index 25fea34b544c..e5fb17fd1020 100644
--- a/drivers/acpi/x86/s2idle.c
+++ b/drivers/acpi/x86/s2idle.c
@@ -135,12 +135,10 @@  static void lpi_device_get_constraints_amd(void)
 
 				for (k = 0; k < info_obj->package.count; ++k) {
 					union acpi_object *obj = &info_obj->package.elements[k];
-					union acpi_object *obj_new;
 
 					list = &lpi_constraints_table[lpi_constraints_table_size];
 					list->min_dstate = -1;
 
-					obj_new = &obj[k];
 					switch (k) {
 					case 0:
 						dev_info.enabled = obj->integer.value;