[media] ngene: Fix return code if no demux was found

Fix return code if no demux was found (cineS2_probe).

Signed-off-by: Oliver Endriss <o.endriss@gmx.de>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/ngene/ngene-cards.c

@@ -274,6 +274,7 @@ static int cineS2_probe(struct ngene_channel *chan)
 		demod_attach_drxk(chan, i2c);
 	} else {
 		printk(KERN_ERR "No demod found on chan %d\n", chan->number);
+		return -ENODEV;
 	}
 	return 0;
 }