[media] em28xx-dvb: remove one level of identation at fini callback

Simplify the logic a little by removing one level of identation.
Also, it only makes sense to print something if the .fini callback
is actually doing something.
Reviewed-by: Frank Schäfer <fschaefer.oss@googlemail.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

drivers/media/usb/em28xx/em28xx-dvb.c

@@ -1543,6 +1543,9 @@ static inline void prevent_sleep(struct dvb_frontend_ops *ops)
 
 static int em28xx_dvb_fini(struct em28xx *dev)
 {
+	struct em28xx_dvb *dvb;
+	struct i2c_client *client;
+
 	if (dev->is_audio_only) {
 		/* Shouldn't initialize IR for this interface */
 		return 0;
@@ -1553,11 +1556,13 @@ static int em28xx_dvb_fini(struct em28xx *dev)
 		return 0;
 	}
 
+	if (!dev->dvb)
+		return 0;
+
 	em28xx_info("Closing DVB extension");
 
-	if (dev->dvb) {
-		struct em28xx_dvb *dvb = dev->dvb;
-		struct i2c_client *client = dvb->i2c_client_tuner;
+	dvb = dev->dvb;
+	client = dvb->i2c_client_tuner;
 
 	em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
 
@@ -1580,7 +1585,6 @@ static int em28xx_dvb_fini(struct em28xx *dev)
 	kfree(dvb);
 	dev->dvb = NULL;
 	kref_put(&dev->ref, em28xx_free_device);
-	}
 
 	return 0;
 }