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From: Jiang Liu <liuj97@gmail.com>
To: Bjorn Helgaas <bhelgaas@google.com>
Cc: Fengguang Wu <fengguang.wu@intel.com>,
	Bjorn Helgaas <bhelgaas@google.com>,
	LKML <linux-kernel@vger.kernel.org>
Subject: Re: Unable to mount NFSROOT: pcie change breaks e1000?
Date: Thu, 23 Aug 2012 23:03:29 +0800	[thread overview]
Message-ID: <50364641.8010000@gmail.com> (raw)
In-Reply-To: <503587F4.3090907@huawei.com>

Hi Bjorn,
	Could you please help to fold this small patch into 
"[5/40] PCI/core: Use PCI Express Capability accessors"?
It fixes a bug reported by Fengguang.
	Thanks!
	Gerry

On 08/23/2012 09:31 AM, Jiang Liu wrote:
> Hi Fengguang,
> 	Could you please help to verify whether following patch
> fixes the issue?
> 	Thanks!
> 
> diff --git a/drivers/pci/pci.c b/drivers/pci/pci.c
> index f6b491b..fac08f5 100644
> --- a/drivers/pci/pci.c
> +++ b/drivers/pci/pci.c
> @@ -842,6 +842,9 @@ static int pci_save_pcie_state(struct pci_dev *dev)
>         struct pci_cap_saved_state *save_state;
>         u16 *cap;
> 
> +       if (!pci_is_pcie(dev))
> +               return 0;
> +
>         save_state = pci_find_saved_cap(dev, PCI_CAP_ID_EXP);
>         if (!save_state) {
>                 dev_err(&dev->dev, "buffer not found in %s\n", __func__);
> 
> On 2012-8-23 8:46, Fengguang Wu wrote:
>> buffer not found
> 
> 
> --
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> 


  parent reply	other threads:[~2012-08-23 15:03 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-23  0:46 Unable to mount NFSROOT: pcie change breaks e1000? Fengguang Wu
2012-08-23  1:31 ` Jiang Liu
2012-08-23  2:33   ` Fengguang Wu
2012-08-23 15:03   ` Jiang Liu [this message]
2012-08-23 16:12     ` Bjorn Helgaas
2012-08-24 14:42       ` Jiang Liu

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