Hi Sylwester,
Thanks for the review.
On Wednesday 27 July 2011 19:34:36 Sylwester Nawrocki wrote:
> On 07/27/2011 11:13 AM, Laurent Pinchart wrote:
[snip]
> > +static int mt9p031_probe(struct i2c_client *client,
> > + const struct i2c_device_id *did)
> > +{
> > + struct mt9p031_platform_data *pdata = client->dev.platform_data;
> > + struct i2c_adapter *adapter = to_i2c_adapter(client->dev.parent);
> > + struct mt9p031 *mt9p031;
> > + unsigned int i;
> > + int ret;
> > +
> > + if (!i2c_check_functionality(adapter, I2C_FUNC_SMBUS_WORD_DATA)) {
> > + dev_warn(&adapter->dev,
> > + "I2C-Adapter doesn't support I2C_FUNC_SMBUS_WORD\n");
> > + return -EIO;
> > + }
> > +
> > + mt9p031 = kzalloc(sizeof(*mt9p031), GFP_KERNEL);
> > + if (mt9p031 == NULL)
> > + return -ENOMEM;
> > +
> > + mt9p031->pdata = pdata;
> > + mt9p031->output_control = MT9P031_OUTPUT_CONTROL_DEF;
> > + mt9p031->mode2 = MT9P031_READ_MODE_2_ROW_BLC;
> > +
> > + v4l2_ctrl_handler_init(&mt9p031->ctrls, ARRAY_SIZE(mt9p031_ctrls) + 4);
> > +
> > + v4l2_ctrl_new_std(&mt9p031->ctrls,&mt9p031_ctrl_ops,
> > + V4L2_CID_EXPOSURE, MT9P031_SHUTTER_WIDTH_MIN,
> > + MT9P031_SHUTTER_WIDTH_MAX, 1,
> > + MT9P031_SHUTTER_WIDTH_DEF);
> > + v4l2_ctrl_new_std(&mt9p031->ctrls,&mt9p031_ctrl_ops,
> > + V4L2_CID_GAIN, MT9P031_GLOBAL_GAIN_MIN,
> > + MT9P031_GLOBAL_GAIN_MAX, 1, MT9P031_GLOBAL_GAIN_DEF);
> > + v4l2_ctrl_new_std(&mt9p031->ctrls,&mt9p031_ctrl_ops,
> > + V4L2_CID_HFLIP, 0, 1, 1, 0);
> > + v4l2_ctrl_new_std(&mt9p031->ctrls,&mt9p031_ctrl_ops,
> > + V4L2_CID_VFLIP, 0, 1, 1, 0);
> > +
> > + for (i = 0; i< ARRAY_SIZE(mt9p031_ctrls); ++i)
> > + v4l2_ctrl_new_custom(&mt9p031->ctrls,&mt9p031_ctrls[i], NULL);
> > +
> > + mt9p031->subdev.ctrl_handler =&mt9p031->ctrls;
> > +
> > + if (mt9p031->ctrls.error)
> > + printk(KERN_INFO "%s: control initialization error %d\n",
> > + __func__, mt9p031->ctrls.error);
> > +
> > + mutex_init(&mt9p031->power_lock);
> > + v4l2_i2c_subdev_init(&mt9p031->subdev, client,&mt9p031_subdev_ops);
> > + mt9p031->subdev.internal_ops =&mt9p031_subdev_internal_ops;
> > +
> > + mt9p031->pad.flags = MEDIA_PAD_FL_SOURCE;
> > + ret = media_entity_init(&mt9p031->subdev.entity, 1,&mt9p031->pad, 0);
> > + if (ret< 0)
> > + goto done;
> > +
> > + mt9p031->subdev.flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
> > +
> > + mt9p031->crop.width = MT9P031_WINDOW_WIDTH_DEF;
> > + mt9p031->crop.height = MT9P031_WINDOW_HEIGHT_DEF;
> > + mt9p031->crop.left = MT9P031_COLUMN_START_DEF;
> > + mt9p031->crop.top = MT9P031_ROW_START_DEF;
> > +
> > + if (mt9p031->pdata->version == MT9P031_MONOCHROME_VERSION)
> > + mt9p031->format.code = V4L2_MBUS_FMT_Y12_1X12;
> > + else
> > + mt9p031->format.code = V4L2_MBUS_FMT_SGRBG12_1X12;
> > +
> > + mt9p031->format.width = MT9P031_WINDOW_WIDTH_DEF;
> > + mt9p031->format.height = MT9P031_WINDOW_HEIGHT_DEF;
> > + mt9p031->format.field = V4L2_FIELD_NONE;
> > + mt9p031->format.colorspace = V4L2_COLORSPACE_SRGB;
> > +
> > + ret = mt9p031_pll_get_divs(mt9p031);
> > +
> > +done:
> > + if (ret< 0)
>
> It seems there is a v4l2_ctrl_handler_free() missing here...
Good catch. I'll fix that (and the next one as well), and add a
media_entity_cleanup() here as well.
> > + kfree(mt9p031);
> > +
> > + return ret;
> > +}
> > +
> > +static int mt9p031_remove(struct i2c_client *client)
> > +{
> > + struct v4l2_subdev *subdev = i2c_get_clientdata(client);
> > + struct mt9p031 *mt9p031 = to_mt9p031(subdev);
> > +
> > + v4l2_device_unregister_subdev(subdev);
> > + media_entity_cleanup(&subdev->entity);
>
> ... and here.
>
> > + kfree(mt9p031);
> > +
> > + return 0;
> > +}
--
Regards,
Laurent Pinchart
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