Re: [PATCH] PCI: Fix devfn for VPD access through function 0

[Rustad, Mark D]

> On Sep 15, 2015, at 10:17 AM, Alex Williamson <alex.williamson@xxxxxxxxxx> wrote:
> 
> Commit 932c435caba8 ("PCI: Add dev_flags bit to access VPD through
> function 0") passes PCI_SLOT(devfn) for the devfn parameter of
> pci_get_slot().  Generally this works because we're fairly well
> guaranteed that a PCIe device is at slot address 0, but for the
> general case, including conventional PCI, it's incorrect.  We need
> to get the slot and then convert it back into a devfn.
> 
> Fixes: 932c435caba8 ("PCI: Add dev_flags bit to access VPD through function 0")
> Signed-off-by: Alex Williamson <alex.williamson@xxxxxxxxxx>
> Cc: stable@xxxxxxxxxxxxxxx
> ---
> 
> Since the original patch and quirk was marked for stable and applies
> to all Intel NICs, regardless of the bus type, I assume this needs to
> chase it or VPD might disappear on e1000/e100 if it currently exists.

This looks good to me.
Acked-by: Mark Rustad <mark.d.rustad@xxxxxxxxx>

--
Mark Rustad, Networking Division, Intel Corporation

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