The usbvision driver crashes when a specially crafted usb device with invalid
number of interfaces or endpoints is detected. This fix adds checks that the
device has proper configuration expected by the driver.
Reported-by: NRalf Spenneberg <ralf@spenneberg.net>
Signed-off-by: NVladis Dronov <vdronov@redhat.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>