--- zzzz-none-000/linux-3.10.107/drivers/media/firewire/firedtv-ci.c	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/drivers/media/firewire/firedtv-ci.c	2021-02-04 17:41:59.000000000 +0000
@@ -253,6 +253,5 @@
 
 void fdtv_ca_release(struct firedtv *fdtv)
 {
-	if (fdtv->cadev)
-		dvb_unregister_device(fdtv->cadev);
+	dvb_unregister_device(fdtv->cadev);
 }