struct cx8802_driver *drv = NULL;
int err;
+ lock_kernel();
dev = cx8802_get_device(inode);
dprintk( 1, "%s\n", __func__);
- if (dev == NULL)
+ if (dev == NULL) {
+ unlock_kernel();
return -ENODEV;
+ }
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
if (blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -EINVAL;
}
dprintk(1,"open minor=%d\n",minor);
if (NULL == fh) {
if (drv)
drv->request_release(drv);
+ unlock_kernel();
return -ENOMEM;
}
file->private_data = fh;
/* FIXME: locking against other video device */
cx88_set_scale(dev->core, dev->width, dev->height,
fh->mpegq.field);
+ unlock_kernel();
return 0;
}
return err;
}
printk(KERN_INFO "%s/2: registered device video%d [mpeg]\n",
- dev->core->name,dev->mpeg_dev->minor & 0x1f);
+ dev->core->name, dev->mpeg_dev->num);
return 0;
}