@@ -1066,6 +1077,7 @@ USBDevice *usb_host_device_open(const char *devname)
      qdev_prop_set_uint32(&dev->qdev, "vendorid",  filter.vendor_id);
      qdev_prop_set_uint32(&dev->qdev, "productid", filter.product_id);
      qdev_init_nofail(&dev->qdev);
+    atexit(usb_host_cleanup);
      return dev;

You'll register atexit multiple times here (once per device).

I still think this should use exit notifiers, see http://patchwork.ozlabs.org/patch/54571/ (doesn't apply cleanly and more, will post a rebased version later today).

cheers,
  Gerd


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