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[PATCH 3.12 34/72] cx231xx: don't return error on success

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  [PATCH 3.12 34/72] cx231xx: don't return error on success Jiri Slaby <jslaby@suse.cz> - 2016-11-07 14:20 +0100

#1516143 — [PATCH 3.12 34/72] cx231xx: don't return error on success

From: Mauro Carvalho Chehab <mchehab@osg.samsung.com>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 1871d718a9db649b70f0929d2778dc01bc49b286 upstream.

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.

Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
Signed-off-by: Jiri Slaby <jslaby@suse.cz>
---
 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 89de00bf4f82..bd45858cc927 100644
--- a/drivers/media/usb/cx231xx/cx231xx-avcore.c
+++ b/drivers/media/usb/cx231xx/cx231xx-avcore.c
@@ -1260,7 +1260,10 @@ 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)
-- 
2.10.2

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