i2c_unregister_device() frees the I2C client, so, dereferencing it afterwards is a bug, that leads to Oopses.
Signed-off-by: Guennadi Liakhovetski <[email protected]> --- drivers/media/video/soc_camera.c | 3 ++- 1 files changed, 2 insertions(+), 1 deletions(-) diff --git a/drivers/media/video/soc_camera.c b/drivers/media/video/soc_camera.c index e97be53..2f0fd2f 100644 --- a/drivers/media/video/soc_camera.c +++ b/drivers/media/video/soc_camera.c @@ -996,10 +996,11 @@ static void soc_camera_free_i2c(struct soc_camera_device *icd) { struct i2c_client *client = to_i2c_client(to_soc_camera_control(icd)); + struct i2c_adapter *adap = client->adapter; dev_set_drvdata(&icd->dev, NULL); v4l2_device_unregister_subdev(i2c_get_clientdata(client)); i2c_unregister_device(client); - i2c_put_adapter(client->adapter); + i2c_put_adapter(adap); } #else #define soc_camera_init_i2c(icd, icl) (-ENODEV) -- 1.7.2.5 -- To unsubscribe from this list: send the line "unsubscribe linux-media" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
