[media] dvb_usb_v2: use pointers to properties

Use pointers to properties as device and adapter properties are
constant. No need to embed and copy those structures.

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
diff --git a/drivers/media/dvb/dvb-usb/dvb_usb.h b/drivers/media/dvb/dvb-usb/dvb_usb.h
index b443817..a972de6 100644
--- a/drivers/media/dvb/dvb-usb/dvb_usb.h
+++ b/drivers/media/dvb/dvb-usb/dvb_usb.h
@@ -270,7 +270,7 @@
 #define DVB_USB_ADAP_STATE_DVB  0x001
 	int state;
 	struct dvb_usb_device *dev;
-	struct dvb_usb_adapter_properties props;
+	const struct dvb_usb_adapter_properties *props;
 	struct usb_data_stream stream;
 	u8  id;
 
@@ -316,7 +316,7 @@
  *  in size_of_priv of dvb_usb_properties).
  */
 struct dvb_usb_device {
-	struct dvb_usb_device_properties props;
+	const struct dvb_usb_device_properties *props;
 	const char *name;
 	const char *rc_map;
 	struct dvb_usb_rc rc;