
The whole usb_host_close() function is skipped in case the device is not in attached state. This is wrong though, only then usb_device_detach() must be skipped, all other cleanup (especially device reset and closing the file handle) still needs to be done. There are code paths where usb_host_close() is called with the device in detached state already. This fixes usb-host devices not being released and returned to the host after removing them with device_del. Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Read the documentation in qemu-doc.html. Fabrice Bellard.
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