[media] dm1105: release dvbnet on frontend attachment failure

The patch "dm1105: handle errors from dvb_net_init" moved the
initialization of dvbnet to before frontend attachment but forgot
to adjust the error handling when frontend attachment fails.

Signed-off-by: Jonathan Nieder <jrnieder@gmail.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dm1105/dm1105.c

@@ -1121,7 +1121,7 @@ static int __devinit dm1105_probe(struct pci_dev *pdev,
 
 	ret = frontend_init(dev);
 	if (ret < 0)
-		goto err_disconnect_frontend;
+		goto err_dvb_net;
 
 	dm1105_ir_init(dev);