From 0e6078c3c6737df7d0bd0c890fbadf24a27fffbb Mon Sep 17 00:00:00 2001 From: Guo Zhengkui Date: Tue, 9 Nov 2021 15:50:51 +0800 Subject: [PATCH] ACPI: processor idle: Use swap() instead of open coding it Address the following coccicheck warning: ./drivers/net/ethernet/mellanox/mlx5/core/en/tc_ct.c:914:40-41: WARNING opportunity for swap(). by using swap() for the swapping of variable values and drop the tmp variable that is not needed any more. Signed-off-by: Guo Zhengkui [ rjw: Subject and changelog rewrite ] Signed-off-by: Rafael J. Wysocki --- drivers/acpi/processor_idle.c | 6 ++---- 1 file changed, 2 insertions(+), 4 deletions(-) diff --git a/drivers/acpi/processor_idle.c b/drivers/acpi/processor_idle.c index 76ef1bcc88480..4b906bb527e8c 100644 --- a/drivers/acpi/processor_idle.c +++ b/drivers/acpi/processor_idle.c @@ -20,6 +20,7 @@ #include #include #include +#include #include /* @@ -400,13 +401,10 @@ static int acpi_cst_latency_cmp(const void *a, const void *b) static void acpi_cst_latency_swap(void *a, void *b, int n) { struct acpi_processor_cx *x = a, *y = b; - u32 tmp; if (!(x->valid && y->valid)) return; - tmp = x->latency; - x->latency = y->latency; - y->latency = tmp; + swap(x->latency, y->latency); } static int acpi_processor_power_verify(struct acpi_processor *pr) -- 2.30.2