On 2010-11-04 at about 14:31:30 Jiri Slaby wrote:
> Stanse found that when pdev is found and has no driver a reference is
> leaked in pcifront_common_process. So add pci_dev_put there. For the
> pdev == NULL case, pci_dev_put(NULL) is fine.
While that may be true, the dev_err(&pcidev->dev ... is a NULL pointer
deref.
>
> Signed-off-by: Jiri Slaby <jslaby@xxxxxxx>
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx>
> Cc: Jesse Barnes <jbarnes@xxxxxxxxxxxxxxxx>
> ---
> drivers/pci/xen-pcifront.c | 1 +
> 1 files changed, 1 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/pci/xen-pcifront.c b/drivers/pci/xen-pcifront.c
> index a87c498..f9ffc05 100644
> --- a/drivers/pci/xen-pcifront.c
> +++ b/drivers/pci/xen-pcifront.c
> @@ -578,6 +578,7 @@ static pci_ers_result_t pcifront_common_process(int cmd,
> if (!pcidev || !pcidev->driver) {
> dev_err(&pcidev->dev,
> "device or driver is NULL\n");
> + pci_dev_put(pcidev);
> return result;
> }
> pdrv = pcidev->driver;
>
milton
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