- return correct error code value

Signed-off-by: Marco Schluessler <marco@lordzodiac.de>

diff -bur v4l-dvb-96c5b8101ea3_orig/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c v4l-dvb-96c5b8101ea3/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c
--- v4l-dvb-96c5b8101ea3_orig/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c	2007-08-17 21:05:15.000000000 +0200
+++ v4l-dvb-96c5b8101ea3/linux/drivers/media/dvb/dvb-core/dvb_ca_en50221.c	2007-08-18 00:34:14.000000000 +0200
@@ -1570,7 +1570,7 @@
 {
 	struct dvb_device *dvbdev = file->private_data;
 	struct dvb_ca_private *ca = dvbdev->priv;
-	int err = 0;
+	int err;
 
 	dprintk("%s\n", __FUNCTION__);
 
@@ -1582,7 +1582,7 @@
 
 	module_put(ca->pub->owner);
 
-	return 0;
+	return err;
 }