[+cc Rafael, author of patch you cited]
On Fri, Jan 18, 2013 at 4:42 AM, Konstantin Khlebnikov
<khlebnikov@xxxxxxxxxx> wrote:
> Bug was introduced in commit 23606cf5d1192c2b17912cb2ef6e62f9b11de133
> ("e1000e / PCI / PM: Add basic runtime PM support (rev. 4)") in v2.6.35
>
> Signed-off-by: Konstantin Khlebnikov <khlebnikov@xxxxxxxxxx>
> Cc: e1000-devel@xxxxxxxxxxxxxxxxxxxxx
> Cc: Jeff Kirsher <jeffrey.t.kirsher@xxxxxxxxx>
> Cc: Bruce Allan <bruce.w.allan@xxxxxxxxx>
> ---
> drivers/net/ethernet/intel/e1000e/netdev.c | 13 ++++++++-----
> 1 file changed, 8 insertions(+), 5 deletions(-)
>
> diff --git a/drivers/net/ethernet/intel/e1000e/netdev.c b/drivers/net/ethernet/intel/e1000e/netdev.c
> index fbf75fd..2853c11 100644
> --- a/drivers/net/ethernet/intel/e1000e/netdev.c
> +++ b/drivers/net/ethernet/intel/e1000e/netdev.c
> @@ -5691,14 +5691,17 @@ static int e1000_runtime_suspend(struct device *dev)
> struct pci_dev *pdev = to_pci_dev(dev);
> struct net_device *netdev = pci_get_drvdata(pdev);
> struct e1000_adapter *adapter = netdev_priv(netdev);
> + int retval;
> + bool wake;
>
> - if (e1000e_pm_ready(adapter)) {
> - bool wake;
> + if (!e1000e_pm_ready(adapter))
> + return 0;
>
> - __e1000_shutdown(pdev, &wake, true);
> - }
> + retval = __e1000_shutdown(pdev, &wake, true);
> + if (!retval)
> + e1000_power_off(pdev, true, wake);
>
> - return 0;
> + return retval;
> }
>
> static int e1000_idle(struct device *dev)
>
> --
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