video_set_drvdata(dev->vdev, NULL); 
list_del(&dev->devlist); 
static void em2820_release_resources(struct em2820 *dev){	down(&em2820_sysfs_lock);	em2820_info("V4L2 device /dev/video%d deregistered\n",		    dev->vdev->minor);	video_set_drvdata(dev->vdev, NULL);	video_unregister_device(dev->vdev);/*	video_unregister_device(dev->vbi_dev); */	em2820_i2c_unregister(dev);	usb_put_dev(dev->udev);	up(&em2820_sysfs_lock);}
10457	/local/tlutelli/issta_data/temp/c/2005_temp/2005/10457/9c75541fc97252e605b7bc8f9b09f816483e22fb/em28xx-video.c/clean/drivers/media/video/em28xx/em28xx-video.c