[git:media_tree/master] [media] cx231xx: don't return error on success

[git:media_tree/master] [media] cx231xx: don't return error on success

[Mauro Carvalho Chehab]

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Subject: [media] cx231xx: don't return error on success
Author:  Mauro Carvalho Chehab <mchehab@osg.samsung.com>
Date:    Sun Sep 4 09:56:33 2016 -0300

The cx231xx_set_agc_analog_digital_mux_select() callers
expect it to return 0 or an error. Returning a positive value
makes the first attempt to switch between analog/digital to fail.

Cc: stable@vger.kernel.org
Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>

 drivers/media/usb/cx231xx/cx231xx-avcore.c | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

---

diff --git a/drivers/media/usb/cx231xx/cx231xx-avcore.c b/drivers/media/usb/cx231xx/cx231xx-avcore.c
index 491913778bcc..2f52d66b4dae 100644
--- a/drivers/media/usb/cx231xx/cx231xx-avcore.c
+++ b/drivers/media/usb/cx231xx/cx231xx-avcore.c
@@ -1264,7 +1264,10 @@ int cx231xx_set_agc_analog_digital_mux_select(struct cx231xx *dev,
 				   dev->board.agc_analog_digital_select_gpio,
 				   analog_or_digital);
 
-	return status;
+	if (status < 0)
+		return status;
+
+	return 0;
 }
 
 int cx231xx_enable_i2c_port_3(struct cx231xx *dev, bool is_port_3)