linux-kernel - [PATCH] ACPICA: Use swap() instead of open coding it

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Date: Fri,  2 Feb 2024 16:14:43 +0800
From: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To: robert.moore@...el.com
Cc: rafael.j.wysocki@...el.com,
	lenb@...nel.org,
	linux-acpi@...r.kernel.org,
	acpica-devel@...ts.linux.dev,
	linux-kernel@...r.kernel.org,
	Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>,
	Abaci Robot <abaci@...ux.alibaba.com>
Subject: [PATCH] ACPICA: Use swap() instead of open coding it

Swap is a function interface that provides exchange function. To avoid
code duplication, we can use swap function.

/drivers/acpi/acpica/nsrepair2.c:896:33-34: WARNING opportunity for swap().

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Closes: https://bugzilla.openanolis.cn/show_bug.cgi?id=8168
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
 drivers/acpi/acpica/nsrepair2.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/acpi/acpica/nsrepair2.c b/drivers/acpi/acpica/nsrepair2.c
index 1bb7b71f07f1..ccd89a82a4e6 100644
--- a/drivers/acpi/acpica/nsrepair2.c
+++ b/drivers/acpi/acpica/nsrepair2.c
@@ -875,7 +875,6 @@ 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 +891,7 @@ 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], elements[j - 1]);
 			}
 		}
 	}
-- 
2.20.1.7.g153144c