bt/rfcomm/tty: join error paths

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/bluetooth/rfcomm/tty.c b/net/bluetooth/rfcomm/tty.c
index 111c6c8..d030c69 100644
--- a/net/bluetooth/rfcomm/tty.c
+++ b/net/bluetooth/rfcomm/tty.c
@@ -298,18 +298,15 @@
 out:
 	write_unlock_bh(&rfcomm_dev_lock);
 
-	if (err < 0) {
-		kfree(dev);
-		return err;
-	}
+	if (err < 0)
+		goto free;
 
 	dev->tty_dev = tty_register_device(rfcomm_tty_driver, dev->id, NULL);
 
 	if (IS_ERR(dev->tty_dev)) {
 		err = PTR_ERR(dev->tty_dev);
 		list_del(&dev->list);
-		kfree(dev);
-		return err;
+		goto free;
 	}
 
 	dev_set_drvdata(dev->tty_dev, dev);
@@ -321,6 +318,10 @@
 		BT_ERR("Failed to create channel attribute");
 
 	return dev->id;
+
+free:
+	kfree(dev);
+	return err;
 }
 
 static void rfcomm_dev_del(struct rfcomm_dev *dev)