x86/PCI: don't call e820_all_mapped with -1 in the mmconfig case

e820_all_mapped need end is (addr + size) instead of (addr + size - 1)

Cc: stable@kernel.org
Acked-by: NIngo Molnar <mingo@elte.hu>
Signed-off-by: NYinghai Lu <yinghai@kernel.org>
Signed-off-by: NJesse Barnes <jbarnes@virtuousgeek.org>

arch/x86/pci/mmconfig-shared.c

@@ -375,7 +375,7 @@ static acpi_status __init check_mcfg_resource(struct acpi_resource *res,
 		if (!fixmem32)
 			return AE_OK;
 		if ((mcfg_res->start >= fixmem32->address) &&
-		    (mcfg_res->end < (fixmem32->address +
+		    (mcfg_res->end <= (fixmem32->address +
 				      fixmem32->address_length))) {
 			mcfg_res->flags = 1;
 			return AE_CTRL_TERMINATE;
@@ -392,7 +392,7 @@ static acpi_status __init check_mcfg_resource(struct acpi_resource *res,
 		return AE_OK;
 
 	if ((mcfg_res->start >= address.minimum) &&
-	    (mcfg_res->end < (address.minimum + address.address_length))) {
+	    (mcfg_res->end <= (address.minimum + address.address_length))) {
 		mcfg_res->flags = 1;
 		return AE_CTRL_TERMINATE;
 	}
@@ -439,7 +439,7 @@ static int __init is_mmconf_reserved(check_reserved_t is_reserved,
 	u64 old_size = size;
 	int valid = 0;
 
-	while (!is_reserved(addr, addr + size - 1, E820_RESERVED)) {
+	while (!is_reserved(addr, addr + size, E820_RESERVED)) {
 		size >>= 1;
 		if (size < (16UL<<20))
 			break;