netdev - [PATCH net-next 2/7] net: dsa: realtek: put of node after MDIO registration

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date: Fri,  8 Dec 2023 01:41:38 -0300
From: Luiz Angelo Daros de Luca <luizluca@...il.com>
To: netdev@...r.kernel.org
Cc: linus.walleij@...aro.org,
	alsi@...g-olufsen.dk,
	andrew@...n.ch,
	f.fainelli@...il.com,
	olteanv@...il.com,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com,
	arinc.unal@...nc9.com,
	Luiz Angelo Daros de Luca <luizluca@...il.com>
Subject: [PATCH net-next 2/7] net: dsa: realtek: put of node after MDIO registration

If we don't keep a reference to the OF node, we can put it right after
we use it during MDIO registration.

Signed-off-by: Luiz Angelo Daros de Luca <luizluca@...il.com>
---
 drivers/net/dsa/realtek/realtek-smi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/net/dsa/realtek/realtek-smi.c b/drivers/net/dsa/realtek/realtek-smi.c
index 755546ed8db6..ddcae546afbc 100644
--- a/drivers/net/dsa/realtek/realtek-smi.c
+++ b/drivers/net/dsa/realtek/realtek-smi.c
@@ -389,15 +389,15 @@ static int realtek_smi_setup_mdio(struct dsa_switch *ds)
 	priv->user_mii_bus->write = realtek_smi_mdio_write;
 	snprintf(priv->user_mii_bus->id, MII_BUS_ID_SIZE, "SMI-%d",
 		 ds->index);
-	priv->user_mii_bus->dev.of_node = mdio_np;
 	priv->user_mii_bus->parent = priv->dev;
 	ds->user_mii_bus = priv->user_mii_bus;
 
 	ret = devm_of_mdiobus_register(priv->dev, priv->user_mii_bus, mdio_np);
+	of_node_put(mdio_np);
 	if (ret) {
 		dev_err(priv->dev, "unable to register MDIO bus %s\n",
 			priv->user_mii_bus->id);
-		goto err_put_node;
+		return ret;
 	}
 
 	return 0;
@@ -514,8 +514,6 @@ static void realtek_smi_remove(struct platform_device *pdev)
 		return;
 
 	dsa_unregister_switch(priv->ds);
-	if (priv->user_mii_bus)
-		of_node_put(priv->user_mii_bus->dev.of_node);
 
 	/* leave the device reset asserted */
 	if (priv->reset)
-- 
2.43.0