commit fac11d4f966fbf965b2047579074cf10ea53d2b8
Author: Bjorn Helgaas <bhelgaas@google.com>
Date:   Thu Dec 8 20:16:13 2011 -0700

diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index a848fad..5eed74c 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -318,8 +318,8 @@ static __devinit acpi_status add_window(struct acpi_resource *res, void *data)
 
 	/* HP's firmware has a hack to work around a Windows bug.
 	 * Ignore these tiny memory ranges */
-	if (!((res->flags & IORESOURCE_MEM) &&
-	      (res->end - res->start < 16)))
+	if (!((window->resource.flags & IORESOURCE_MEM) &&
+	      (window->resource.end - window->resource.start < 16)))
 		pci_add_resource(&info->resources, &window->resource);
 
 	return AE_OK;