linux-kernel - [Patch v4 4/8] media: i2c: ov2659: fix s

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Date:   Fri, 27 Sep 2019 13:47:18 -0500
From:   Benoit Parrot <bparrot@...com>
To:     Hans Verkuil <hverkuil@...all.nl>,
        Sakari Ailus <sakari.ailus@...ux.intel.com>
CC:     <linux-media@...r.kernel.org>, <devicetree@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>, Benoit Parrot <bparrot@...com>
Subject: [Patch v4 4/8] media: i2c: ov2659: fix s_stream return value

In ov2659_s_stream() return value for invoked function should be checked
and propagated.

Signed-off-by: Benoit Parrot <bparrot@...com>
---
 drivers/media/i2c/ov2659.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c
index f77320e8a60d..cd4625432264 100644
--- a/drivers/media/i2c/ov2659.c
+++ b/drivers/media/i2c/ov2659.c
@@ -1187,10 +1187,13 @@ static int ov2659_s_stream(struct v4l2_subdev *sd, int on)
 		goto unlock;
 	}
 
-	ov2659_set_pixel_clock(ov2659);
-	ov2659_set_frame_size(ov2659);
-	ov2659_set_format(ov2659);
-	ov2659_set_streaming(ov2659, 1);
+	ret = ov2659_set_pixel_clock(ov2659);
+	if (!ret)
+		ret = ov2659_set_frame_size(ov2659);
+	if (!ret)
+		ret = ov2659_set_format(ov2659);
+	if (!ret)
+		ov2659_set_streaming(ov2659, 1);
 	ov2659->streaming = on;
 
 unlock:
-- 
2.17.1