eeepc-laptop: fix device reference count leakage in eeepc_rfkill_hotplug()

Fix a device reference count leakage issue in function
eeepc_rfkill_hotplug().
---
 drivers/platform/x86/eeepc-laptop.c |   10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

On Wed, Sep 12, 2012 at 8:24 AM, Jiang Liu <liuj97@gmail.com> wrote:
> Fix a device reference count leakage issue in function
> eeepc_rfkill_hotplug().

This looks good to me, but it needs a Signed-off-by and probably
should go through something other than the PCI tree.

Reviewed-by: Bjorn Helgaas <bhelgaas@google.com>

> ---
>  drivers/platform/x86/eeepc-laptop.c |   10 ++++++----
>  1 file changed, 6 insertions(+), 4 deletions(-)
>
> diff --git a/drivers/platform/x86/eeepc-laptop.c b/drivers/platform/x86/eeepc-laptop.c
> index dab91b4..5ca2641 100644
> --- a/drivers/platform/x86/eeepc-laptop.c
> +++ b/drivers/platform/x86/eeepc-laptop.c
> @@ -610,12 +610,12 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
>
>                 if (!bus) {
>                         pr_warn("Unable to find PCI bus 1?\n");
> -                       goto out_unlock;
> +                       goto out_put_dev;
>                 }
>
>                 if (pci_bus_read_config_dword(bus, 0, PCI_VENDOR_ID, &l)) {
>                         pr_err("Unable to read PCI config space?\n");
> -                       goto out_unlock;
> +                       goto out_put_dev;
>                 }
>
>                 absent = (l == 0xffffffff);
> @@ -627,7 +627,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
>                                 absent ? "absent" : "present");
>                         pr_warn("skipped wireless hotplug as probably "
>                                 "inappropriate for this model\n");
> -                       goto out_unlock;
> +                       goto out_put_dev;
>                 }
>
>                 if (!blocked) {
> @@ -635,7 +635,7 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
>                         if (dev) {
>                                 /* Device already present */
>                                 pci_dev_put(dev);
> -                               goto out_unlock;
> +                               goto out_put_dev;
>                         }
>                         dev = pci_scan_single_device(bus, 0);
>                         if (dev) {
> @@ -650,6 +650,8 @@ static void eeepc_rfkill_hotplug(struct eeepc_laptop *eeepc, acpi_handle handle)
>                                 pci_dev_put(dev);
>                         }
>                 }
> +out_put_dev:
> +               pci_dev_put(port);
>         }
>
>  out_unlock:
> --
> 1.7.9.5
>
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