
One of the reworks of qemu's usb core made changes to usb-port's disconnect handling. Now ports with a device will always have a non 0 dev member, but if the device is not attached (which is possible with usb redirection), dev->attached will be 0. So supplement all checks for dev to also check dev->attached, and add an extra check in a path where a device check was completely missing. This fixes various crashes (asserts triggering) I've been seeing when xhci attached usb devices get disconnected at the wrong time. Signed-off-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Read the documentation in qemu-doc.html or on http://wiki.qemu-project.org - QEMU team
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