netdev - Re: [PATCH] e1000: return PCI_ERS_RESULT

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Date:	Wed, 10 Jun 2009 15:53:31 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	Andre Detsch <adetsch@...ibm.com>
Cc:	netdev@...r.kernel.org, e1000-devel@...ts.sourceforge.net,
	mmlnx@...ibm.com
Subject: Re: [PATCH] e1000: return PCI_ERS_RESULT_DISCONNECT on permanent 
	error

On Fri, Jun 5, 2009 at 11:40 AM, Andre Detsch<adetsch@...ibm.com> wrote:
> PCI drivers that implement the io_error_detected callback
> should return PCI_ERS_RESULT_DISCONNECT if the state
> passed in is pci_channel_io_perm_failure.  This state is
> not checked in many of the network drivers.
>
> This patch fixes the omission in the e1000 driver.
>
> Based on Mike Mason's similar patch for e1000e.
>
> Signed-off-by: Andre Detsch <adetsch@...ibm.com>
> Cc: Mike Mason <mmlnx@...ibm.com>
> ---
>  drivers/net/e1000/e1000_main.c |    3 +++
>  1 files changed, 3 insertions(+), 0 deletions(-)
>
> diff --git a/drivers/net/e1000/e1000_main.c b/drivers/net/e1000/e1000_main.c
> index 05e87a5..df1d5ca 100644
> --- a/drivers/net/e1000/e1000_main.c
> +++ b/drivers/net/e1000/e1000_main.c
> @@ -4816,6 +4816,9 @@ static pci_ers_result_t e1000_io_error_detected(struct pci_dev *pdev,
>        struct e1000_adapter *adapter = netdev_priv(netdev);
>
>        netif_device_detach(netdev);
> +
> +       if (state == pci_channel_io_perm_failure)
> +               return PCI_ERS_RESULT_DISCONNECT;
>
>        if (netif_running(netdev))
>                e1000_down(adapter);
> --

Thanks, I have added this to my queue and will push it with the e1000e fix.

-- 
Cheers,
Jeff
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