From 29003beb7f15d3daa5a8f9afb8d007b64baa2357 Mon Sep 17 00:00:00 2001
From: Bjorn Helgaas <bhelgaas@google.com>
Date: Wed, 26 Feb 2014 11:25:59 -0700
Subject: [PATCH] PCI: Don't try to claim IORESOURCE_UNSET resources

If the IORESOURCE_UNSET bit is set, it means we haven't assigned an address
yet, so don't try to claim the region.

Also, make the error messages more uniform and add info about which BAR is
involved.

Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
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