[media] DVB: call get_property at the end of dtv_property_process_get

- Drivers should be able to override properties returned to the user.
- The default values get prefilled from the cache.
Signed-off-by: NAndreas Oberritter <obi@linuxtv.org>
Signed-off-by: NMauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-core/dvb_frontend.c

@@ -1196,14 +1196,7 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
 				    struct dtv_property *tvp,
 				    struct file *file)
 {
-	int r = 0;
-
-	/* Allow the frontend to validate incoming properties */
-	if (fe->ops.get_property)
-		r = fe->ops.get_property(fe, tvp);
-
-	if (r < 0)
-		return r;
+	int r;
 
 	switch(tvp->cmd) {
 	case DTV_FREQUENCY:
@@ -1323,6 +1316,13 @@ static int dtv_property_process_get(struct dvb_frontend *fe,
 		return -EINVAL;
 	}
 
+	/* Allow the frontend to override outgoing properties */
+	if (fe->ops.get_property) {
+		r = fe->ops.get_property(fe, tvp);
+		if (r < 0)
+			return r;
+	}
+
 	dtv_property_dump(tvp);
 
 	return 0;