From a3b4eb29330f688aba823d8669a408c97a551699 Mon Sep 17 00:00:00 2001
From: ydong10 <ydong10@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Tue, 6 Sep 2011 07:05:06 +0000
Subject: [PATCH] Check the pointer before use it.

Signed-off-by:ydong10
Reviewed-by:vanjeff



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12283 6f19259b-4bc3-4df7-8a09-765794883524
---
 .../AcpiSupportAcpiSupportProtocol.c          | 23 ++++++++++---------
 1 file changed, 12 insertions(+), 11 deletions(-)

diff --git a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c
index 1a28f02933..6c9cb740a9 100644
--- a/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c
+++ b/IntelFrameworkModulePkg/Universal/Acpi/AcpiSupportDxe/AcpiSupportAcpiSupportProtocol.c
@@ -844,17 +844,18 @@ AddTableToList (
           );
         AcpiSupportInstance->Xsdt->OemRevision = AcpiSupportInstance->Fadt3->Header.OemRevision;
       }
-    }    
-    //
-    // Checksum the table
-    //
-    if (Checksum) {
-      AcpiPlatformChecksum (
-        CurrentTableList->Table,
-        CurrentTableList->Table->Length,
-        OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,
-        Checksum)
-        );
+
+      //
+      // Checksum the table
+      //
+      if (Checksum) {
+        AcpiPlatformChecksum (
+          CurrentTableList->Table,
+          CurrentTableList->Table->Length,
+          OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER,
+          Checksum)
+          );
+      }
     }
     break;