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From:   Miaoqian Lin <linmq006@gmail.com>
To:     Andrew Lunn <andrew@lunn.ch>,
        Heiner Kallweit <hkallweit1@gmail.com>,
        Russell King <linux@armlinux.org.uk>,
        "David S. Miller" <davem@davemloft.net>,
        Eric Dumazet <edumazet@google.com>,
        Jakub Kicinski <kuba@kernel.org>,
        Paolo Abeni <pabeni@redhat.com>,
        Michal Simek <michal.simek@xilinx.com>,
        Florian Fainelli <f.fainelli@gmail.com>,
        Brandon Maier <brandon.maier@rockwellcollins.com>,
        netdev@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
        linux-kernel@vger.kernel.org
Cc:     linmq006@gmail.com
Subject: [PATCH] net: phy: xgmiitorgmii: Fix refcount leak in xgmiitorgmii_probe
Date:   Thu, 29 Dec 2022 10:29:25 +0400
Message-Id: <20221229062925.1372931-1-linmq006@gmail.com>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

of_phy_find_device() return device node with refcount incremented.
Call put_device() to relese it when not needed anymore.

Fixes: ab4e6ee578e8 ("net: phy: xgmiitorgmii: Check phy_driver ready before accessing")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
---
 drivers/net/phy/xilinx_gmii2rgmii.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/net/phy/xilinx_gmii2rgmii.c b/drivers/net/phy/xilinx_gmii2rgmii.c
index 8dcb49ed1f3d..7fd9fe6a602b 100644
--- a/drivers/net/phy/xilinx_gmii2rgmii.c
+++ b/drivers/net/phy/xilinx_gmii2rgmii.c
@@ -105,6 +105,7 @@ static int xgmiitorgmii_probe(struct mdio_device *mdiodev)
 
 	if (!priv->phy_dev->drv) {
 		dev_info(dev, "Attached phy not ready\n");
+		put_device(&priv->phy_dev->mdio.dev);
 		return -EPROBE_DEFER;
 	}
 
-- 
2.25.1