media: hdpvr: remove redundant assignment to retval

Variable retval is initialized to a value that is never read
so this assignment is redundant.  Clean up the code by removing
retval completely and just return the error return from the
call to i2c_add_adapter.

Addresses-Coverity: ("Unused value")

Signed-off-by: Colin Ian King <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>

drivers/media/usb/hdpvr/hdpvr-i2c.c

@@ -193,18 +193,14 @@ static int hdpvr_activate_ir(struct hdpvr_device *dev)
 
 int hdpvr_register_i2c_adapter(struct hdpvr_device *dev)
 {
-	int retval = -ENOMEM;
-
 	hdpvr_activate_ir(dev);
 
 	dev->i2c_adapter = hdpvr_i2c_adapter_template;
 	dev->i2c_adapter.dev.parent = &dev->udev->dev;
 
 	i2c_set_adapdata(&dev->i2c_adapter, dev);
 
-	retval = i2c_add_adapter(&dev->i2c_adapter);
-
-	return retval;
+	return i2c_add_adapter(&dev->i2c_adapter);
 }
 
 #endif