ethernet: Fix error handling in xemaclite_of_probe

This node pointer is returned by of_parse_phandle() with refcount
incremented in this function. Calling of_node_put() to avoid the
refcount leak. As the remove function do.

Fixes: 5cdaaa12 ("net: emaclite: adding MDIO and phy lib support")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Link: https://lore.kernel.org/r/20220308024751.2320-1-linmq006@gmail.comSigned-off-by: Jakub Kicinski <kuba@kernel.org>

drivers/net/ethernet/xilinx/xilinx_emaclite.c

@@ -1183,7 +1183,7 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
 	if (rc) {
 		dev_err(dev,
 			"Cannot register network device, aborting\n");
-		goto error;
+		goto put_node;
 	}
 
 	dev_info(dev,
@@ -1191,6 +1191,8 @@ static int xemaclite_of_probe(struct platform_device *ofdev)
 		 (unsigned long __force)ndev->mem_start, lp->base_addr, ndev->irq);
 	return 0;
 
+put_node:
+	of_node_put(lp->phy_node);
 error:
 	free_netdev(ndev);
 	return rc;