x86, es7000: fix ACPI table mappings

Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 8 insertions, 1 deletions

diff --git a/arch/x86/kernel/es7000_32.c b/arch/x86/kernel/es7000_32.c
index 53699c931ad4..71d7be624d46 100644
--- a/arch/x86/kernel/es7000_32.c
+++ b/arch/x86/kernel/es7000_32.c
@@ -292,24 +292,31 @@ int __init find_unisys_acpi_oem_table(unsigned long *oem_addr)
 {
         struct acpi_table_header *header = NULL;
         int i = 0;
+        acpi_size tbl_size;
 
-        while (ACPI_SUCCESS(acpi_get_table("OEM1", i++, &header))) {
+        while (ACPI_SUCCESS(acpi_get_table_with_size("OEM1", i++, &header, &tbl_size))) {
                 if (!memcmp((char *) &header->oem_id, "UNISYS", 6)) {
                         struct oem_table *t = (struct oem_table *)header;
 
                         oem_addrX = t->OEMTableAddr;
                         oem_size = t->OEMTableSize;
+                        early_acpi_os_unmap_memory(header, tbl_size);
 
                         *oem_addr = (unsigned long)__acpi_map_table(oem_addrX,
                                                                     oem_size);
                         return 0;
                 }
+                early_acpi_os_unmap_memory(header, tbl_size);
         }
         return -1;
 }
 
 void __init unmap_unisys_acpi_oem_table(unsigned long oem_addr)
 {
+        if (!oem_addr)
+                return;
+
+        __acpi_unmap_table((char *)oem_addr, oem_size);
 }
 #endif