提交 2e1d4a06 编写于 作者: L Lee Jones 提交者: David S. Miller

net/smsc911x: Repair broken failure paths

Current failure paths attempt to free resources which we failed to request
and disable resources which we failed to enable ones. This leads to kernel
oops/panic. This patch does some simple re-ordering to prevent this from
happening.

Cc: netdev@vger.kernel.org
Signed-off-by: NLee Jones <lee.jones@linaro.org>
Acked-by: NLinus Walleij <linus.walleij@linaro.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 3bbf372c
......@@ -2390,11 +2390,11 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
retval = smsc911x_request_resources(pdev);
if (retval)
goto out_return_resources;
goto out_request_resources_fail;
retval = smsc911x_enable_resources(pdev);
if (retval)
goto out_disable_resources;
goto out_enable_resources_fail;
if (pdata->ioaddr == NULL) {
SMSC_WARN(pdata, probe, "Error smsc911x base address invalid");
......@@ -2501,8 +2501,9 @@ static int __devinit smsc911x_drv_probe(struct platform_device *pdev)
free_irq(dev->irq, dev);
out_disable_resources:
(void)smsc911x_disable_resources(pdev);
out_return_resources:
out_enable_resources_fail:
smsc911x_free_resources(pdev);
out_request_resources_fail:
platform_set_drvdata(pdev, NULL);
iounmap(pdata->ioaddr);
free_netdev(dev);
......
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