From: Bin Liu Date: Thu, 30 Aug 2012 06:37:32 +0000 (+0000) Subject: net: ethernet: fix kernel OOPS when remove davinci_mdio module X-Git-Tag: upstream/snapshot3+hdmi~6753^2~2 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=b27393aecf66199f5ddad37c302d3e0cfadbe6c0;p=platform%2Fadaptation%2Frenesas_rcar%2Frenesas_kernel.git net: ethernet: fix kernel OOPS when remove davinci_mdio module davinci mdio device is not unregistered from mdiobus when removing the module, which causes BUG_ON() when free the device from mdiobus. Calling mdiobus_unregister() before mdiobus_free() fixes the issue. Signed-off-by: Bin Liu Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/ti/davinci_mdio.c b/drivers/net/ethernet/ti/davinci_mdio.c index cd7ee20..a9ca4a0 100644 --- a/drivers/net/ethernet/ti/davinci_mdio.c +++ b/drivers/net/ethernet/ti/davinci_mdio.c @@ -394,8 +394,10 @@ static int __devexit davinci_mdio_remove(struct platform_device *pdev) struct device *dev = &pdev->dev; struct davinci_mdio_data *data = dev_get_drvdata(dev); - if (data->bus) + if (data->bus) { + mdiobus_unregister(data->bus); mdiobus_free(data->bus); + } if (data->clk) clk_put(data->clk);