[media] em28xx-dvb: remove one level of identation at fini callback
authorMauro Carvalho Chehab <m.chehab@samsung.com>
Fri, 7 Mar 2014 17:40:46 +0000 (14:40 -0300)
committerMauro Carvalho Chehab <m.chehab@samsung.com>
Tue, 11 Mar 2014 09:56:46 +0000 (06:56 -0300)
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

index cacdca3..6638394 100644 (file)
@@ -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;
@@ -1553,35 +1556,36 @@ static int em28xx_dvb_fini(struct em28xx *dev)
                return 0;
        }
 
-       em28xx_info("Closing DVB extension");
+       if (!dev->dvb)
+               return 0;
 
-       if (dev->dvb) {
-               struct em28xx_dvb *dvb = dev->dvb;
-               struct i2c_client *client = dvb->i2c_client_tuner;
+       em28xx_info("Closing DVB extension");
 
-               em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
+       dvb = dev->dvb;
+       client = dvb->i2c_client_tuner;
 
-               if (dev->disconnected) {
-                       /* We cannot tell the device to sleep
-                        * once it has been unplugged. */
-                       if (dvb->fe[0])
-                               prevent_sleep(&dvb->fe[0]->ops);
-                       if (dvb->fe[1])
-                               prevent_sleep(&dvb->fe[1]->ops);
-               }
+       em28xx_uninit_usb_xfer(dev, EM28XX_DIGITAL_MODE);
 
-               /* remove I2C tuner */
-               if (client) {
-                       module_put(client->dev.driver->owner);
-                       i2c_unregister_device(client);
-               }
+       if (dev->disconnected) {
+               /* We cannot tell the device to sleep
+                * once it has been unplugged. */
+               if (dvb->fe[0])
+                       prevent_sleep(&dvb->fe[0]->ops);
+               if (dvb->fe[1])
+                       prevent_sleep(&dvb->fe[1]->ops);
+       }
 
-               em28xx_unregister_dvb(dvb);
-               kfree(dvb);
-               dev->dvb = NULL;
-               kref_put(&dev->ref, em28xx_free_device);
+       /* remove I2C tuner */
+       if (client) {
+               module_put(client->dev.driver->owner);
+               i2c_unregister_device(client);
        }
 
+       em28xx_unregister_dvb(dvb);
+       kfree(dvb);
+       dev->dvb = NULL;
+       kref_put(&dev->ref, em28xx_free_device);
+
        return 0;
 }