1 files changed, 4 insertions, 2 deletions

diff --git a/drivers/acpi/tables/tbxfroot.c b/drivers/acpi/tables/tbxfroot.c
index dc3c3f6a9f6..198997aa7fb 100644
--- a/drivers/acpi/tables/tbxfroot.c
+++ b/drivers/acpi/tables/tbxfroot.c
@@ -331,8 +331,10 @@ acpi_get_firmware_table (
 
 
 cleanup:
-        acpi_os_unmap_memory (rsdt_info->pointer,
-                (acpi_size) rsdt_info->pointer->length);
+        if (rsdt_info->pointer) {
+                acpi_os_unmap_memory (rsdt_info->pointer,
+                        (acpi_size) rsdt_info->pointer->length);
+        }
         ACPI_MEM_FREE (rsdt_info);
 
         if (header) {