net: netcp: add missing of_node_put() in netcp_probe()

This node pointer is returned by of_get_child_by_name() with refcount
incremented in this function. of_node_put() on it before exitting this
function.

This is detected by Coccinelle semantic patch.
Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

drivers/net/ethernet/ti/netcp_core.c

@@ -2120,6 +2120,8 @@ static int netcp_probe(struct platform_device *pdev)
 		}
 	}
 
+	of_node_put(interfaces);
+
 	/* Add the device instance to the list */
 	list_add_tail(&netcp_device->device_list, &netcp_devices);
 
@@ -2132,6 +2134,8 @@ static int netcp_probe(struct platform_device *pdev)
 		netcp_delete_interface(netcp_device, netcp_intf->ndev);
 	}
 
+	of_node_put(interfaces);
+
 probe_quit:
 	pm_runtime_put_sync(&pdev->dev);
 	pm_runtime_disable(&pdev->dev);