1 files changed, 7 insertions, 11 deletions

diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 5fafbacdd4cb..2147511ea78d 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -166,7 +166,7 @@ char *__acpi_map_table(unsigned long phys, unsigned long size)
 
 #ifdef CONFIG_PCI_MMCONFIG
 /* The physical address of the MMCONFIG aperture.  Set from ACPI tables. */
-struct acpi_table_mcfg_config *pci_mmcfg_config;
+struct acpi_mcfg_allocation *pci_mmcfg_config;
 int pci_mmcfg_config_num;
 
 int __init acpi_parse_mcfg(struct acpi_table_header *header)
@@ -179,17 +179,13 @@ int __init acpi_parse_mcfg(struct acpi_table_header *header)
                 return -EINVAL;
 
         mcfg = (struct acpi_table_mcfg *)header;
-        if (!mcfg) {
-                printk(KERN_WARNING PREFIX "Unable to map MCFG\n");
-                return -ENODEV;
-        }
 
         /* how many config structures do we have */
         pci_mmcfg_config_num = 0;
         i = header->length - sizeof(struct acpi_table_mcfg);
-        while (i >= sizeof(struct acpi_table_mcfg_config)) {
+        while (i >= sizeof(struct acpi_mcfg_allocation)) {
                 ++pci_mmcfg_config_num;
-                i -= sizeof(struct acpi_table_mcfg_config);
+                i -= sizeof(struct acpi_mcfg_allocation);
         };
         if (pci_mmcfg_config_num == 0) {
                 printk(KERN_ERR PREFIX "MMCONFIG has no entries\n");
@@ -206,7 +202,7 @@ int __init acpi_parse_mcfg(struct acpi_table_header *header)
 
         memcpy(pci_mmcfg_config, &mcfg[1], config_size);
         for (i = 0; i < pci_mmcfg_config_num; ++i) {
-                if (pci_mmcfg_config[i].base_reserved) {
+                if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
                         printk(KERN_ERR PREFIX
                                "MMCONFIG not in low 4GB of memory\n");
                         kfree(pci_mmcfg_config);
@@ -220,14 +216,14 @@ int __init acpi_parse_mcfg(struct acpi_table_header *header)
 #endif                          /* CONFIG_PCI_MMCONFIG */
 
 #ifdef CONFIG_X86_LOCAL_APIC
-static int __init acpi_parse_madt(struct acpi_table_header *header)
+static int __init acpi_parse_madt(struct acpi_table_header *table)
 {
         struct acpi_table_madt *madt = NULL;
 
-        if (!header|| !cpu_has_apic)
+        if (!cpu_has_apic)
                 return -EINVAL;
 
-        madt = (struct acpi_table_madt *)header;
+        madt = (struct acpi_table_madt *)table;
         if (!madt) {
                 printk(KERN_WARNING PREFIX "Unable to map MADT\n");
                 return -ENODEV;