Add more check to make sure code run safely.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10574 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 3 insertions, 2 deletions

diff --git a/EdkCompatibilityPkg/Sample/Platform/Generic/RuntimeDxe/StatusCode/Lib/RtMemoryStatusCode/RtMemoryStatusCode.c b/EdkCompatibilityPkg/Sample/Platform/Generic/RuntimeDxe/StatusCode/Lib/RtMemoryStatusCode/RtMemoryStatusCode.c
index d4c41961f5..9ee89b6071 100644
--- a/EdkCompatibilityPkg/Sample/Platform/Generic/RuntimeDxe/StatusCode/Lib/RtMemoryStatusCode/RtMemoryStatusCode.c
+++ b/EdkCompatibilityPkg/Sample/Platform/Generic/RuntimeDxe/StatusCode/Lib/RtMemoryStatusCode/RtMemoryStatusCode.c
@@ -1,6 +1,6 @@
 /*++

 

-Copyright (c) 2004 - 2006, Intel Corporation. All rights reserved.<BR>

+Copyright (c) 2004 - 2010, Intel Corporation. All rights reserved.<BR>

 This program and the accompanying materials                          

 are licensed and made available under the terms and conditions of the BSD License         

 which accompanies this distribution.  The full text of the license may be found at        

@@ -124,6 +124,7 @@ Returns:
   // Locate the HOB that contains the PPI structure for the memory journal

   // We don't check for more than one.

   //

+  StatusCodeMemoryPpi = NULL;

   EfiLibGetSystemConfigurationTable (

     &gEfiHobListGuid,

     &HobList

@@ -134,7 +135,7 @@ Returns:
             (VOID **) &StatusCodeMemoryPpi,

             NULL

             );

-  if (EFI_ERROR (Status)) {

+  if (EFI_ERROR (Status) || (StatusCodeMemoryPpi == NULL)) {

     return ;

   }

   //