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SubjectRe: [PATCH 02/18] char: mxser: call disable_pci_device() if pci_probe() failed
On 08/06/2010 09:49 PM, Kulikov Vasiliy wrote:
> --- a/drivers/char/mxser.c
> +++ b/drivers/char/mxser.c
> @@ -2564,8 +2564,11 @@ static int __devinit mxser_probe(struct pci_dev *pdev,
> /* vector */
> ioaddress = pci_resource_start(pdev, 3);
> retval = pci_request_region(pdev, 3, "mxser(vector)");
> - if (retval)
> - goto err_relio;
> + if (retval) {
> + pci_release_region(pdev, 2);
> + brd->info = NULL;
> + goto err;
> + }
> brd->vector = ioaddress;
>
> /* irq */
> @@ -2616,10 +2619,11 @@ static int __devinit mxser_probe(struct pci_dev *pdev,
> pci_set_drvdata(pdev, brd);
>
> return 0;
> -err_relio:
> - pci_release_region(pdev, 2);
> err_null:
> brd->info = NULL;
> + pci_release_region(pdev, 2);
> + pci_release_region(pdev, 3);
> + pci_disable_device(pdev);

Why did you reorder this so that you cannot jump here from the fail path
above?

thanks,
--
js


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