RE: [PATCH] ACPICA: fix swap.cocci warning
From: Moore, Robert
Date: Sat Nov 27 2021 - 06:38:24 EST
-----Original Message-----
From: Guo Zhengkui <guozhengkui@xxxxxxxx>
Sent: Thursday, November 18, 2021 10:31 PM
To: Rafael J. Wysocki <rafael@xxxxxxxxxx>
Cc: Moore, Robert <robert.moore@xxxxxxxxx>; Wysocki, Rafael J <rafael.j.wysocki@xxxxxxxxx>; Len Brown <lenb@xxxxxxxxxx>; ACPI Devel Maling List <linux-acpi@xxxxxxxxxxxxxxx>; open list:ACPI COMPONENT ARCHITECTURE (ACPICA) <devel@xxxxxxxxxx>; Linux Kernel Mailing List <linux-kernel@xxxxxxxxxxxxxxx>; kernel <kernel@xxxxxxxx>
Subject: Re: [PATCH] ACPICA: fix swap.cocci warning
On 2021/11/18 22:46, Rafael J. Wysocki wrote:
> On Tue, Nov 9, 2021 at 2:47 PM Guo Zhengkui <guozhengkui@xxxxxxxx> wrote:
>>
>> Fix following swap.cocci warning:
>> ./drivers/acpi/acpica/nsrepair2.c:896:33-34: WARNING opportunity for
>> swap()
>>
>> Signed-off-by: Guo Zhengkui <guozhengkui@xxxxxxxx>
>
> This change needs to be submitted to the upstream ACPICA project via
> https://github.com/acpica/acpica/
>
> Thanks!
So it means I need to submit this patch to upstream ACPICA project, not linux-next?
The answer is yes.
Bob
>
>> ---
>> drivers/acpi/acpica/nsrepair2.c | 6 ++----
>> 1 file changed, 2 insertions(+), 4 deletions(-)
>>
>> diff --git a/drivers/acpi/acpica/nsrepair2.c
>> b/drivers/acpi/acpica/nsrepair2.c index 14b71b41e845..02a904ca4caf
>> 100644
>> --- a/drivers/acpi/acpica/nsrepair2.c
>> +++ b/drivers/acpi/acpica/nsrepair2.c
>> @@ -8,6 +8,7 @@
>> *
>>
>> *********************************************************************
>> ********/
>>
>> +#include <linux/minmax.h>
>> #include <acpi/acpi.h>
>> #include "accommon.h"
>> #include "acnamesp.h"
>> @@ -875,7 +876,6 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
>> {
>> union acpi_operand_object *obj_desc1;
>> union acpi_operand_object *obj_desc2;
>> - union acpi_operand_object *temp_obj;
>> u32 i;
>> u32 j;
>>
>> @@ -892,9 +892,7 @@ acpi_ns_sort_list(union acpi_operand_object **elements,
>> || ((sort_direction == ACPI_SORT_DESCENDING)
>> && (obj_desc1->integer.value <
>> obj_desc2->integer.value))) {
>> - temp_obj = elements[j - 1];
>> - elements[j - 1] = elements[j];
>> - elements[j] = temp_obj;
>> + swap(elements[j - 1], elements[j]);
>> }
>> }
>> }
>> --
>> 2.20.1
>>