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| author | Michael Grzeschik <m.grzeschik@pengutronix.de> | 2018-11-27 05:02:49 -0500 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab+samsung@kernel.org> | 2018-12-05 06:38:18 -0500 |
| commit | 3c437901bd83d236e4349d93bf5d3d814b8f6357 (patch) | |
| tree | b3c6456310fe6ba0d7077d6e24db8af676ba2072 /drivers/media/i2c | |
| parent | 7784b1d2789816d3e5cef7243b6b6b4d7185ca3d (diff) | |
| download | linux-stable-3c437901bd83d236e4349d93bf5d3d814b8f6357.tar.gz linux-stable-3c437901bd83d236e4349d93bf5d3d814b8f6357.tar.bz2 linux-stable-3c437901bd83d236e4349d93bf5d3d814b8f6357.zip | |
media: mt9m111: add streaming check to set_fmt
Currently set_fmt don't care about the streaming status, so the format
can be changed during streaming. This can lead into wrong behaviours.
Check if the device is already streaming and return -EBUSY to avoid
wrong behaviours.
Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Reviewed-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
Diffstat (limited to 'drivers/media/i2c')
| -rw-r--r-- | drivers/media/i2c/mt9m111.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/media/i2c/mt9m111.c b/drivers/media/i2c/mt9m111.c index 03559669de9f..9b0a3689fa98 100644 --- a/drivers/media/i2c/mt9m111.c +++ b/drivers/media/i2c/mt9m111.c @@ -563,6 +563,9 @@ static int mt9m111_set_fmt(struct v4l2_subdev *sd, bool bayer; int ret; + if (mt9m111->is_streaming) + return -EBUSY; + if (format->pad) return -EINVAL; |