-----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 >>