dvb_unregister_frontend has to be called before detach. Otherwise the
unregister call will segfault. This made tm6000-dvb module unload unusable.
Signed-off-by: Julian Scheel <julian@jusst.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
        dvb_dmx_release(&dvb->demux);
 frontend_err:
        if (dvb->frontend) {
-               dvb_frontend_detach(dvb->frontend);
                dvb_unregister_frontend(dvb->frontend);
+               dvb_frontend_detach(dvb->frontend);
        }
 adapter_err:
        dvb_unregister_adapter(&dvb->adapter);
 
 /*     mutex_lock(&tm6000_driver.open_close_mutex); */
        if (dvb->frontend) {
-               dvb_frontend_detach(dvb->frontend);
                dvb_unregister_frontend(dvb->frontend);
+               dvb_frontend_detach(dvb->frontend);
        }
 
        dvb_dmxdev_release(&dvb->dmxdev);