[PATCH] drivers:hid: use swap() to make code cleaner

From: cgel . zte
Date: Tue Nov 09 2021 - 03:26:17 EST


From: chiminghao <chi.minghao@xxxxxxxxxx>

Fix the following coccicheck REVIEW:
Use swap() instead of reimplementing it.

Reported-by: Zeal Robot <zealci@xxxxxxxxxx>
Signed-off-by: chiminghao <chi.minghao@xxxxxxxxxx>
---
drivers/hid/hid-tmff.c | 8 ++------
1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/hid/hid-tmff.c b/drivers/hid/hid-tmff.c
index 90acef304536..4040cd98dafe 100644
--- a/drivers/hid/hid-tmff.c
+++ b/drivers/hid/hid-tmff.c
@@ -78,7 +78,6 @@ static int tmff_play(struct input_dev *dev, void *data,
struct hid_field *ff_field = tmff->ff_field;
int x, y;
int left, right; /* Rumbling */
- int motor_swap;

switch (effect->type) {
case FF_CONSTANT:
@@ -104,11 +103,8 @@ static int tmff_play(struct input_dev *dev, void *data,
ff_field->logical_maximum);

/* 2-in-1 strong motor is left */
- if (hid->product == THRUSTMASTER_DEVICE_ID_2_IN_1_DT) {
- motor_swap = left;
- left = right;
- right = motor_swap;
- }
+ if (hid->product == THRUSTMASTER_DEVICE_ID_2_IN_1_DT)
+ swap(left, right);

dbg_hid("(left,right)=(%08x, %08x)\n", left, right);
ff_field->value[0] = left;
--
2.25.1