diff --git a/[refs] b/[refs]
index 9e0abb455f51..f355ca066f24 100644
--- a/[refs]
+++ b/[refs]
@@ -1,2 +1,2 @@
 ---
-refs/heads/master: df17e62e5bff60aeefd0e81165c62f9e46f33217
+refs/heads/master: 1ca98fa652bb5dc3c8793335db9ccc5d0f2e1f65
diff --git a/trunk/arch/x86/pci/mmconfig-shared.c b/trunk/arch/x86/pci/mmconfig-shared.c
index a918553ebc75..e282886616a0 100644
--- a/trunk/arch/x86/pci/mmconfig-shared.c
+++ b/trunk/arch/x86/pci/mmconfig-shared.c
@@ -65,7 +65,6 @@ static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
 							int end, u64 addr)
 {
 	struct pci_mmcfg_region *new;
-	int num_buses;
 	struct resource *res;
 
 	if (addr == 0)
@@ -82,10 +81,9 @@ static __init struct pci_mmcfg_region *pci_mmconfig_add(int segment, int start,
 
 	list_add_sorted(new);
 
-	num_buses = end - start + 1;
 	res = &new->res;
 	res->start = addr + PCI_MMCFG_BUS_OFFSET(start);
-	res->end = addr + PCI_MMCFG_BUS_OFFSET(num_buses) - 1;
+	res->end = addr + PCI_MMCFG_BUS_OFFSET(end + 1) - 1;
 	res->flags = IORESOURCE_MEM | IORESOURCE_BUSY;
 	snprintf(new->name, PCI_MMCFG_RESOURCE_NAME_LEN,
 		 "PCI MMCONFIG %04x [bus %02x-%02x]", segment, start, end);