[media] s2255drv: Remove redundant NULL test before release_firmware()

release_firmware() tests for NULL pointers on its own - there's no
reason to do an explicit check before calling the function.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

drivers/media/video/s2255drv.c

@@ -1826,8 +1826,7 @@ static void s2255_destroy(struct s2255_dev *dev)
 		usb_free_urb(dev->fw_data->fw_urb);
 		dev->fw_data->fw_urb = NULL;
 	}
-	if (dev->fw_data->fw)
-		release_firmware(dev->fw_data->fw);
+	release_firmware(dev->fw_data->fw);
 	kfree(dev->fw_data->pfw_data);
 	kfree(dev->fw_data);
 	/* reset the DSP so firmware can be reloaded next time */