From 17638db1b88184d8895f3f4551c936d7480a1d3f Mon Sep 17 00:00:00 2001
From: Alex Williamson <alex.williamson@redhat.com>
Date: Wed, 4 Sep 2013 10:58:52 -0600
Subject: [PATCH] vfio-pci: Test for extended config space

Having PCIe/PCI-X capability isn't enough to assume that there are
extended capabilities.  Both specs define that the first capability
header is all zero if there are no extended capabilities.  Testing
for this avoids an erroneous message about hiding capability 0x0 at
offset 0x100.

Signed-off-by: Alex Williamson <alex.williamson@redhat.com>
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