From: Alex Williamson <alex.williamson@redhat.com>
Date: Tue, 15 Sep 2015 17:17:21 +0000 (-0600)
Subject: PCI: Fix devfn for VPD access through function 0
X-Git-Tag: omap-for-v4.3/fixes-rc5~89^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9d9240756e63dd87d6cbf5da8b98ceb8f8192b55;p=pandora-kernel.git

PCI: Fix devfn for VPD access through function 0

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@redhat.com>
Signed-off-by: Bjorn Helgaas <helgaas@kernel.org>
Acked-by: Myron Stowe <myron.stowe@redhat.com>
Acked-by: Mark Rustad <mark.d.rustad@intel.com>
CC: stable@vger.kernel.org
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