Re: [PATCH] r6040: disable pci device if the subsequent calls (after pci_enable_device) fails

From: Florian Fainelli
Date: Tue May 29 2012 - 05:22:54 EST


On Monday 28 May 2012 17:27:03 Devendra Naga wrote:
> the calls after the pci_enable_device may fail, and will error out with out
> disabling it. disable the device at error paths.

Looks good, thanks Devendra!

>
> Signed-off-by: Devendra Naga <devendra.aaru@xxxxxxxxx>

Acked-by: Florian Fainelli <florian@xxxxxxxxxxx>

> ---
> drivers/net/ethernet/rdc/r6040.c | 10 ++++++----
> 1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/net/ethernet/rdc/r6040.c
b/drivers/net/ethernet/rdc/r6040.c
> index 4de7364..8f5079a 100644
> --- a/drivers/net/ethernet/rdc/r6040.c
> +++ b/drivers/net/ethernet/rdc/r6040.c
> @@ -1096,20 +1096,20 @@ static int __devinit r6040_init_one(struct pci_dev
*pdev,
> if (err) {
> dev_err(&pdev->dev, "32-bit PCI DMA addresses"
> "not supported by the card\n");
> - goto err_out;
> + goto err_out_disable_dev;
> }
> err = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
> if (err) {
> dev_err(&pdev->dev, "32-bit PCI DMA addresses"
> "not supported by the card\n");
> - goto err_out;
> + goto err_out_disable_dev;
> }
>
> /* IO Size check */
> if (pci_resource_len(pdev, bar) < io_size) {
> dev_err(&pdev->dev, "Insufficient PCI resources, aborting\n");
> err = -EIO;
> - goto err_out;
> + goto err_out_disable_dev;
> }
>
> pci_set_master(pdev);
> @@ -1117,7 +1117,7 @@ static int __devinit r6040_init_one(struct pci_dev
*pdev,
> dev = alloc_etherdev(sizeof(struct r6040_private));
> if (!dev) {
> err = -ENOMEM;
> - goto err_out;
> + goto err_out_disable_dev;
> }
> SET_NETDEV_DEV(dev, &pdev->dev);
> lp = netdev_priv(dev);
> @@ -1238,6 +1238,8 @@ err_out_free_res:
> pci_release_regions(pdev);
> err_out_free_dev:
> free_netdev(dev);
> +err_out_disable_dev:
> + pci_disable_device(dev);
> err_out:
> return err;
> }
> --
> 1.7.9.5
>
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