If 'usb_packet_map' fails, we should stop to process the usb
request.
Signed-off-by: Li Qiang <liq3ea@163.com>
Message-Id: <20200812161727.29412-1-liq3ea@163.com>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
(cherry-picked from 2fdb42d8)
Fix CVE-2020-25723
Signed-off-by: Alex Chen <alex.chen@huawei.com>
