linux-kernel - [PATCH] drivers: staging: iio: cdc: fix return value

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Date:   Fri, 23 Dec 2016 19:51:07 +0100
From:   Thomas Preisner <thomas.preisner+linux@....de>
To:     linux-iio@...r.kernel.org, devel@...verdev.osuosl.org,
        linux-kernel@...r.kernel.org
Cc:     linux-kernel@...cs.fau.de, milan.stephan+linux@....de,
        thomas.preisner+linux@....de, lars@...afoo.de,
        Michael.Hennerich@...log.com, jic23@...nel.org, knaack.h@....de,
        pmeerw@...erw.net, gregkh@...uxfoundation.org
Subject: [PATCH] drivers: staging: iio: cdc: fix return value

At the end of function ad7150_write_event_config(), "return 0" seems
improper. It may be better to return the value of ret.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188871

Reported-by: Pan Bian <bianpan2016@....com>
Signed-off-by: Thomas Preisner <thomas.preisner+linux@....de>
Signed-off-by: Milan Stephan <milan.stephan+linux@....de>
---
 drivers/staging/iio/cdc/ad7150.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/iio/cdc/ad7150.c b/drivers/staging/iio/cdc/ad7150.c
index 6998c3d..04861eb 100644
--- a/drivers/staging/iio/cdc/ad7150.c
+++ b/drivers/staging/iio/cdc/ad7150.c
@@ -274,7 +274,7 @@ static int ad7150_write_event_config(struct iio_dev *indio_dev,
 error_ret:
 	mutex_unlock(&chip->state_lock);
 
-	return 0;
+	return ret;
 }
 
 static int ad7150_read_event_value(struct iio_dev *indio_dev,
-- 
2.7.4