Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
From:   Tobias Waldekranz <tobias@waldekranz.com>
To:     davem@davemloft.net, kuba@kernel.org
Cc:     netdev@vger.kernel.org, Andrew Lunn <andrew@lunn.ch>,
        Timur Tabi <timur@freescale.com>, linux-kernel@vger.kernel.org
Subject: [PATCH v2 net 4/4] net/fsl: xgmac_mdio: Fix incorrect iounmap when removing module
Date:   Tue, 18 Jan 2022 22:50:53 +0100
Message-Id: <20220118215054.2629314-5-tobias@waldekranz.com>
In-Reply-To: <20220118215054.2629314-1-tobias@waldekranz.com>
References: <20220118215054.2629314-1-tobias@waldekranz.com>
MIME-Version: 1.0
Organization: Westermo
Content-Transfer-Encoding: 8bit
Precedence: bulk

As reported by sparse: In the remove path, the driver would attempt to
unmap its own priv pointer - instead of the io memory that it mapped
in probe.

Fixes: 9f35a7342cff ("net/fsl: introduce Freescale 10G MDIO driver")
Signed-off-by: Tobias Waldekranz <tobias@waldekranz.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
---
 drivers/net/ethernet/freescale/xgmac_mdio.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/freescale/xgmac_mdio.c b/drivers/net/ethernet/freescale/xgmac_mdio.c
index bf566ac3195b..266e562bd67a 100644
--- a/drivers/net/ethernet/freescale/xgmac_mdio.c
+++ b/drivers/net/ethernet/freescale/xgmac_mdio.c
@@ -331,9 +331,10 @@ static int xgmac_mdio_probe(struct platform_device *pdev)
 static int xgmac_mdio_remove(struct platform_device *pdev)
 {
 	struct mii_bus *bus = platform_get_drvdata(pdev);
+	struct mdio_fsl_priv *priv = bus->priv;
 
 	mdiobus_unregister(bus);
-	iounmap(bus->priv);
+	iounmap(priv->mdio_base);
 	mdiobus_free(bus);
 
 	return 0;
-- 
2.25.1