[media] dvb_usb_v2: simplify remote init/exit logic

Signed-off-by: Antti Palosaari <crope@iki.fi>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/dvb/dvb-usb/dvb_usb.h

@@ -328,7 +328,6 @@ struct dvb_usb_device {
 #define DVB_USB_STATE_INIT        0x000
 #define DVB_USB_STATE_I2C         0x001
 #define DVB_USB_STATE_DVB         0x002
-#define DVB_USB_STATE_REMOTE      0x004
 	int state;
 
 	int powered;

drivers/media/dvb/dvb-usb/dvb_usb_init.c

@@ -137,6 +137,8 @@ static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
 	int ret;
 	struct rc_dev *dev;
 
+	pr_debug("%s:\n", __func__);
+
 	if (dvb_usbv2_disable_rc_polling || !d->props->get_rc_config)
 		return 0;
 
@@ -190,8 +192,6 @@ static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
 				msecs_to_jiffies(d->rc.interval));
 	}
 
-	d->state |= DVB_USB_STATE_REMOTE;
-
 	return 0;
 err:
 	pr_debug("%s: failed=%d\n", __func__, ret);
@@ -200,13 +200,14 @@ static int dvb_usbv2_remote_init(struct dvb_usb_device *d)
 
 static int dvb_usbv2_remote_exit(struct dvb_usb_device *d)
 {
-	if (d->state & DVB_USB_STATE_REMOTE) {
+	pr_debug("%s:\n", __func__);
+
+	if (d->rc_dev) {
 		cancel_delayed_work_sync(&d->rc_query_work);
 		rc_unregister_device(d->rc_dev);
+		d->rc_dev = NULL;
 	}
 
-	d->state &= ~DVB_USB_STATE_REMOTE;
-
 	return 0;
 }