linux-kernel - [PATCH 3/3] iio: adc: hx711: remove unnecessary returns

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Message-ID: <20190907101848.hl4vgaostftr4ddj@arbad>
Date:   Sat, 7 Sep 2019 12:18:50 +0200
From:   Andreas Klinger <ak@...klinger.de>
To:     jic23@...nel.org, knaack.h@....de, lars@...afoo.de,
        pmeerw@...erw.net
Cc:     linux-iio@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH 3/3] iio: adc: hx711: remove unnecessary returns

Optimize use of return in hx711_set_gain_for_channel().

Signed-off-by: Andreas Klinger <ak@...klinger.de>
---
 drivers/iio/adc/hx711.c | 8 ++------
 1 file changed, 2 insertions(+), 6 deletions(-)

diff --git a/drivers/iio/adc/hx711.c b/drivers/iio/adc/hx711.c
index c8686558429b..20c249f502c0 100644
--- a/drivers/iio/adc/hx711.c
+++ b/drivers/iio/adc/hx711.c
@@ -213,7 +213,7 @@ static int hx711_reset(struct hx711_data *hx711_data)
 
 static int hx711_set_gain_for_channel(struct hx711_data *hx711_data, int chan)
 {
-	int ret;
+	int ret = 0;
 
 	if (chan == 0) {
 		if (hx711_data->gain_set == 32) {
@@ -224,8 +224,6 @@ static int hx711_set_gain_for_channel(struct hx711_data *hx711_data, int chan)
 				return ret;
 
 			ret = hx711_wait_for_ready(hx711_data);
-			if (ret)
-				return ret;
 		}
 	} else {
 		if (hx711_data->gain_set != 32) {
@@ -236,12 +234,10 @@ static int hx711_set_gain_for_channel(struct hx711_data *hx711_data, int chan)
 				return ret;
 
 			ret = hx711_wait_for_ready(hx711_data);
-			if (ret)
-				return ret;
 		}
 	}
 
-	return 0;
+	return ret;
 }
 
 static int hx711_reset_read(struct hx711_data *hx711_data, int chan)
-- 
2.13.3