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-rw-r--r--drivers/media/video/hdpvr/hdpvr-core.c33
-rw-r--r--drivers/media/video/hdpvr/hdpvr-video.c18
-rw-r--r--drivers/media/video/hdpvr/hdpvr.h5
3 files changed, 28 insertions, 28 deletions
diff --git a/drivers/media/video/hdpvr/hdpvr-core.c b/drivers/media/video/hdpvr/hdpvr-core.c
index 2fc9865fd486..830d47b05e1d 100644
--- a/drivers/media/video/hdpvr/hdpvr-core.c
+++ b/drivers/media/video/hdpvr/hdpvr-core.c
@@ -373,9 +373,6 @@ static int hdpvr_probe(struct usb_interface *interface,
}
#endif /* CONFIG_I2C */
- /* save our data pointer in this interface device */
- usb_set_intfdata(interface, dev);
-
/* let the user know what node this device is now attached to */
v4l2_info(&dev->v4l2_dev, "device now attached to %s\n",
video_device_node_name(dev->video_dev));
@@ -391,44 +388,24 @@ error:
static void hdpvr_disconnect(struct usb_interface *interface)
{
- struct hdpvr_device *dev;
-
- dev = usb_get_intfdata(interface);
- usb_set_intfdata(interface, NULL);
+ struct hdpvr_device *dev = to_hdpvr_dev(usb_get_intfdata(interface));
+ v4l2_info(&dev->v4l2_dev, "device %s disconnected\n",
+ video_device_node_name(dev->video_dev));
/* prevent more I/O from starting and stop any ongoing */
mutex_lock(&dev->io_mutex);
dev->status = STATUS_DISCONNECTED;
- v4l2_device_disconnect(&dev->v4l2_dev);
- video_unregister_device(dev->video_dev);
wake_up_interruptible(&dev->wait_data);
wake_up_interruptible(&dev->wait_buffer);
mutex_unlock(&dev->io_mutex);
+ v4l2_device_disconnect(&dev->v4l2_dev);
msleep(100);
flush_workqueue(dev->workqueue);
mutex_lock(&dev->io_mutex);
hdpvr_cancel_queue(dev);
- destroy_workqueue(dev->workqueue);
mutex_unlock(&dev->io_mutex);
-
- /* deregister I2C adapter */
-#ifdef CONFIG_I2C
- mutex_lock(&dev->i2c_mutex);
- if (dev->i2c_adapter)
- i2c_del_adapter(dev->i2c_adapter);
- kfree(dev->i2c_adapter);
- dev->i2c_adapter = NULL;
- mutex_unlock(&dev->i2c_mutex);
-#endif /* CONFIG_I2C */
-
+ video_unregister_device(dev->video_dev);
atomic_dec(&dev_nr);
-
- v4l2_info(&dev->v4l2_dev, "device %s disconnected\n",
- video_device_node_name(dev->video_dev));
-
- v4l2_device_unregister(&dev->v4l2_dev);
- kfree(dev->usbc_buf);
- kfree(dev);
}
diff --git a/drivers/media/video/hdpvr/hdpvr-video.c b/drivers/media/video/hdpvr/hdpvr-video.c
index 196f82de48f0..d2f0ee29737f 100644
--- a/drivers/media/video/hdpvr/hdpvr-video.c
+++ b/drivers/media/video/hdpvr/hdpvr-video.c
@@ -1214,6 +1214,24 @@ static void hdpvr_device_release(struct video_device *vdev)
struct hdpvr_device *dev = video_get_drvdata(vdev);
hdpvr_delete(dev);
+ mutex_lock(&dev->io_mutex);
+ destroy_workqueue(dev->workqueue);
+ mutex_unlock(&dev->io_mutex);
+
+ v4l2_device_unregister(&dev->v4l2_dev);
+
+ /* deregister I2C adapter */
+#ifdef CONFIG_I2C
+ mutex_lock(&dev->i2c_mutex);
+ if (dev->i2c_adapter)
+ i2c_del_adapter(dev->i2c_adapter);
+ kfree(dev->i2c_adapter);
+ dev->i2c_adapter = NULL;
+ mutex_unlock(&dev->i2c_mutex);
+#endif /* CONFIG_I2C */
+
+ kfree(dev->usbc_buf);
+ kfree(dev);
}
static const struct video_device hdpvr_video_template = {
diff --git a/drivers/media/video/hdpvr/hdpvr.h b/drivers/media/video/hdpvr/hdpvr.h
index 49ae25d83d10..b0f046df3cd8 100644
--- a/drivers/media/video/hdpvr/hdpvr.h
+++ b/drivers/media/video/hdpvr/hdpvr.h
@@ -111,6 +111,11 @@ struct hdpvr_device {
u8 *usbc_buf;
};
+static inline struct hdpvr_device *to_hdpvr_dev(struct v4l2_device *v4l2_dev)
+{
+ return container_of(v4l2_dev, struct hdpvr_device, v4l2_dev);
+}
+
/* buffer one bulk urb of data */
struct hdpvr_buffer {