When .s_power() is called during probing, the video device isn't available
yet. Fix Oops, caused by dereferencing it.
Signed-off-by: Guennadi Liakhovetski <g.liakhovetski@xxxxxx>
---
drivers/media/i2c/soc_camera/mt9t031.c | 7 +++++--
1 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/drivers/media/i2c/soc_camera/mt9t031.c b/drivers/media/i2c/soc_camera/mt9t031.c
index ea791e3..e7f0a08 100644
--- a/drivers/media/i2c/soc_camera/mt9t031.c
+++ b/drivers/media/i2c/soc_camera/mt9t031.c
@@ -619,9 +619,12 @@ static int mt9t031_s_power(struct v4l2_subdev *sd, int on)
ret = soc_camera_power_on(&client->dev, ssdd, mt9t031->clk);
if (ret < 0)
return ret;
- vdev->dev.type = &mt9t031_dev_type;
+ if (vdev)
+ /* Skip during probing, when vdev isn't available yet */
+ vdev->dev.type = &mt9t031_dev_type;
} else {
- vdev->dev.type = NULL;
+ if (vdev)
+ vdev->dev.type = NULL;
soc_camera_power_off(&client->dev, ssdd, mt9t031->clk);
}
--
1.7.2.5
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