linux-kernel - [PATCH] net: fsl_pq_mdio: Fix device node reference leak in fsl_pq_mdio

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Message-ID: <20251002174617.960521-1-karanja99erick@gmail.com>
Date: Thu,  2 Oct 2025 20:46:17 +0300
From: Erick Karanja <karanja99erick@...il.com>
To: andrew+netdev@...n.ch,
	davem@...emloft.net,
	edumazet@...gle.com,
	kuba@...nel.org,
	pabeni@...hat.com
Cc: skhan@...uxfoundation.org,
	linux-kernel-mentees@...ts.linuxfoundation.org,
	david.hunter.linux@...il.com,
	netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	Erick Karanja <karanja99erick@...il.com>
Subject: [PATCH] net: fsl_pq_mdio: Fix device node reference leak in fsl_pq_mdio_probe

Add missing of_node_put call to release device node tbi obtained
via for_each_child_of_node.

Fixes: afae5ad78b342 ("net/fsl_pq_mdio: streamline probing of MDIO nodes")

Signed-off-by: Erick Karanja <karanja99erick@...il.com>
---
 drivers/net/ethernet/freescale/fsl_pq_mdio.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/drivers/net/ethernet/freescale/fsl_pq_mdio.c b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
index 577f9b1780ad..de88776dd2a2 100644
--- a/drivers/net/ethernet/freescale/fsl_pq_mdio.c
+++ b/drivers/net/ethernet/freescale/fsl_pq_mdio.c
@@ -479,10 +479,12 @@ static int fsl_pq_mdio_probe(struct platform_device *pdev)
 					"missing 'reg' property in node %pOF\n",
 					tbi);
 				err = -EBUSY;
+				of_node_put(tbi);
 				goto error;
 			}
 			set_tbipa(*prop, pdev,
 				  data->get_tbipa, priv->map, &res);
+			of_node_put(tbi);
 		}
 	}
 
-- 
2.43.0