dprintk( 1, "%s\n", __func__);
- lock_kernel();
+ mutex_lock(&dev->core->lock);
/* Make sure we can acquire the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);
err = drv->request_acquire(drv);
if(err != 0) {
dprintk(1,"%s: Unable to acquire hardware, %d\n", __func__, err);
- unlock_kernel();
+ mutex_unlock(&dev->core->lock);;
return err;
}
}
if (!atomic_read(&dev->core->mpeg_users) && blackbird_initialize_codec(dev) < 0) {
if (drv)
drv->request_release(drv);
- unlock_kernel();
+ mutex_unlock(&dev->core->lock);
return -EINVAL;
}
dprintk(1, "open dev=%s\n", video_device_node_name(vdev));
if (NULL == fh) {
if (drv)
drv->request_release(drv);
- unlock_kernel();
+ mutex_unlock(&dev->core->lock);
return -ENOMEM;
}
file->private_data = fh;
V4L2_BUF_TYPE_VIDEO_CAPTURE,
V4L2_FIELD_INTERLACED,
sizeof(struct cx88_buffer),
- fh);
+ fh, NULL);
/* FIXME: locking against other video device */
cx88_set_scale(dev->core, dev->width, dev->height,
fh->mpegq.field);
- unlock_kernel();
atomic_inc(&dev->core->mpeg_users);
-
+ mutex_unlock(&dev->core->lock);
return 0;
}
videobuf_stop(&fh->mpegq);
videobuf_mmap_free(&fh->mpegq);
+
+ mutex_lock(&dev->core->lock);
file->private_data = NULL;
kfree(fh);
+ mutex_unlock(&dev->core->lock);
/* Make sure we release the hardware */
drv = cx8802_get_driver(dev, CX88_MPEG_BLACKBIRD);