linux-kernel - [PATCH] drivers: media: Simplify the return expression of interpolate

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Message-Id: <20210524124754.1491-1-zuoqilin1@163.com>
Date:   Mon, 24 May 2021 20:47:54 +0800
From:   zuoqilin1@....com
To:     mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        zuoqilin <zuoqilin@...ong.com>
Subject: [PATCH] drivers: media: Simplify the return expression of interpolate_value()

From: zuoqilin <zuoqilin@...ong.com>

Simplify the return expression.

Signed-off-by: zuoqilin <zuoqilin@...ong.com>
---
 drivers/media/dvb-frontends/mb86a20s.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/media/dvb-frontends/mb86a20s.c b/drivers/media/dvb-frontends/mb86a20s.c
index a7faf0c..fc80391 100644
--- a/drivers/media/dvb-frontends/mb86a20s.c
+++ b/drivers/media/dvb-frontends/mb86a20s.c
@@ -1346,7 +1346,7 @@ static u32 interpolate_value(u32 value, const struct linear_segments *segments,
 {
 	u64 tmp64;
 	u32 dx, dy;
-	int i, ret;
+	int i;
 
 	if (value >= segments[0].x)
 		return segments[0].y;
@@ -1367,9 +1367,7 @@ static u32 interpolate_value(u32 value, const struct linear_segments *segments,
 	tmp64 = value - segments[i].x;
 	tmp64 *= dy;
 	do_div(tmp64, dx);
-	ret = segments[i].y - tmp64;
-
-	return ret;
+	return segments[i].y - tmp64;
 }
 
 static int mb86a20s_get_main_CNR(struct dvb_frontend *fe)
-- 
1.9.1