diff options
| author | Lee Jones <lee.jones@linaro.org> | 2012-05-29 18:47:37 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2012-05-30 17:52:16 -0400 |
| commit | 2e1d4a065a77d076a679df22a4eddbc7e33cad98 (patch) | |
| tree | cdb5d79a42fa471f94f8fb5c45db6a40cdac1561 /drivers/net/ethernet/smsc | |
| parent | 3bbf372c6c60255585783bb08ab477a72b918196 (diff) | |
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: Lee Jones <lee.jones@linaro.org>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/smsc')
| -rw-r--r-- | drivers/net/ethernet/smsc/smsc911x.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/drivers/net/ethernet/smsc/smsc911x.c b/drivers/net/ethernet/smsc/smsc911x.c index dab9c6f671e..1466e5d2af4 100644 --- a/drivers/net/ethernet/smsc/smsc911x.c +++ b/drivers/net/ethernet/smsc/smsc911x.c @@ -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 @@ out_free_irq: 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); |