[PATCH 4.4 012/137] media: i2c: ov2659: fix s_stream return value

From: Greg Kroah-Hartman
Date: Fri Jan 03 2020 - 02:00:50 EST


From: Benoit Parrot <bparrot@xxxxxx>

[ Upstream commit 85c4043f1d403c222d481dfc91846227d66663fb ]

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

Signed-off-by: Benoit Parrot <bparrot@xxxxxx>
Acked-by: Lad, Prabhakar <prabhakar.csengg@xxxxxxxxx>
Signed-off-by: Sakari Ailus <sakari.ailus@xxxxxxxxxxxxxxx>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@xxxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
drivers/media/i2c/ov2659.c | 14 +++++++++-----
1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/drivers/media/i2c/ov2659.c b/drivers/media/i2c/ov2659.c
index fadec1d70582..4f43e8c43950 100644
--- a/drivers/media/i2c/ov2659.c
+++ b/drivers/media/i2c/ov2659.c
@@ -1204,11 +1204,15 @@ 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);
- ov2659->streaming = on;
+ 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:
mutex_unlock(&ov2659->lock);
--
2.20.1