linux-kernel - [PATCH net v2] net: phy: intel-xway: fix OF node refcount leakage

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Message-ID: <e3275e1c1cdca7e6426bb9c11f33bd84b8d900c8.1768783208.git.daniel@makrotopia.org>
Date: Mon, 19 Jan 2026 00:41:54 +0000
From: Daniel Golle <daniel@...rotopia.org>
To: Andrew Lunn <andrew@...n.ch>, Heiner Kallweit <hkallweit1@...il.com>,
	Russell King <linux@...linux.org.uk>,
	"David S. Miller" <davem@...emloft.net>,
	Eric Dumazet <edumazet@...gle.com>,
	Jakub Kicinski <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>,
	Daniel Golle <daniel@...rotopia.org>, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH net v2] net: phy: intel-xway: fix OF node refcount leakage

Automated review spotted am OF node reference count leakage when
checking if the 'leds' child node exists.

Call of_put_node() to correctly maintain the refcount.

Link: https://netdev-ai.bots.linux.dev/ai-review.html?id=20f173ba-0c64-422b-a663-fea4b4ad01d0
Fixes: 1758af47b98c1 ("net: phy: intel-xway: add support for PHY LEDs")
Signed-off-by: Daniel Golle <daniel@...rotopia.org>
---
v2: fix Fixes:-tag

 drivers/net/phy/intel-xway.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/drivers/net/phy/intel-xway.c b/drivers/net/phy/intel-xway.c
index 9766dd99afaa0..12ff4c1f285d2 100644
--- a/drivers/net/phy/intel-xway.c
+++ b/drivers/net/phy/intel-xway.c
@@ -277,7 +277,7 @@ static int xway_gphy_init_leds(struct phy_device *phydev)
 
 static int xway_gphy_config_init(struct phy_device *phydev)
 {
-	struct device_node *np = phydev->mdio.dev.of_node;
+	struct device_node *np;
 	int err;
 
 	/* Mask all interrupts */
@@ -286,7 +286,10 @@ static int xway_gphy_config_init(struct phy_device *phydev)
 		return err;
 
 	/* Use default LED configuration if 'leds' node isn't defined */
-	if (!of_get_child_by_name(np, "leds"))
+	np = of_get_child_by_name(phydev->mdio.dev.of_node, "leds");
+	if (np)
+		of_node_put(np);
+	else
 		xway_gphy_init_leds(phydev);
 
 	/* Clear all pending interrupts */
-- 
2.52.0