[PATCH] net: ethernet: sunplus: Fix ethernet-ports node leak in spl2sw_probe()

[Wentao Liang <vulab@iscas.ac.cn>]

spl2sw_probe() gets a reference on the "ethernet-ports" child node but
never releases it, neither on the error paths that go to out_free_mdio
and out_unregister_dev nor on the successful return. Release the
reference automatically by declaring the node with __free(device_node).

Fixes: fd3040b9394c ("net: ethernet: Add driver for Sunplus SP7021")
Cc: stable@vger.kernel.org
Signed-off-by: Wentao Liang <vulab@iscas.ac.cn>
---
 drivers/net/ethernet/sunplus/spl2sw_driver.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sunplus/spl2sw_driver.c b/drivers/net/ethernet/sunplus/spl2sw_driver.c
index 5e0e4c9ecbb0..fdc9c3196738 100644
--- a/drivers/net/ethernet/sunplus/spl2sw_driver.c
+++ b/drivers/net/ethernet/sunplus/spl2sw_driver.c
@@ -319,7 +319,7 @@ static struct device_node *spl2sw_get_eth_child_node(struct device_node *ether_n
 
 static int spl2sw_probe(struct platform_device *pdev)
 {
-	struct device_node *eth_ports_np;
+	struct device_node *eth_ports_np __free(device_node) = NULL;
 	struct device_node *port_np;
 	struct spl2sw_common *comm;
 	struct device_node *phy_np;
-- 
2.34.1