linux-kernel - [PATCH] dnet: fix wrong use of platform_set

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Message-Id: <1298319630-18159-1-git-send-email-yanok@emcraft.com>
Date:	Mon, 21 Feb 2011 21:20:30 +0100
From:	Ilya Yanok <yanok@...raft.com>
To:	sfr@...b.auug.org.au, greg@...ah.com, linux-next@...r.kernel.org,
	linux-kernel@...r.kernel.org, mkl@...gutronix.de,
	davem@...emloft.net, netdev@...r.kernel.org
Cc:	Ilya Yanok <yanok@...raft.com>
Subject: [PATCH] dnet: fix wrong use of platform_set_drvdata()

platform_set_drvdata() was used with argument of incorrect type and
could cause memory corruption. Moreover, because of not setting drvdata
in the correct place not all resources were freed upon module unload.

Signed-off-by: Ilya Yanok <yanok@...raft.com>
---
 drivers/net/dnet.c |    3 +--
 1 files changed, 1 insertions(+), 2 deletions(-)

diff --git a/drivers/net/dnet.c b/drivers/net/dnet.c
index 9d8a20b..8318ea0 100644
--- a/drivers/net/dnet.c
+++ b/drivers/net/dnet.c
@@ -337,8 +337,6 @@ static int dnet_mii_init(struct dnet *bp)
 	for (i = 0; i < PHY_MAX_ADDR; i++)
 		bp->mii_bus->irq[i] = PHY_POLL;
 
-	platform_set_drvdata(bp->dev, bp->mii_bus);
-
 	if (mdiobus_register(bp->mii_bus)) {
 		err = -ENXIO;
 		goto err_out_free_mdio_irq;
@@ -863,6 +861,7 @@ static int __devinit dnet_probe(struct platform_device *pdev)
 	bp = netdev_priv(dev);
 	bp->dev = dev;
 
+	platform_set_drvdata(pdev, dev);
 	SET_NETDEV_DEV(dev, &pdev->dev);
 
 	spin_lock_init(&bp->lock);
-- 
1.7.4

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