1 files changed, 7 insertions, 1 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c
index e7b10149fb..7ca3326a88 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c
@@ -4,7 +4,7 @@
   and volatile storage space and install variable architecture protocol
   based on SMM variable module.
 
-Copyright (c) 2010 - 2013, Intel Corporation. All rights reserved.<BR>
+Copyright (c) 2010 - 2014, 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        
@@ -195,6 +195,7 @@ VariableLockRequestToLock (
   }
 
   VariableNameSize = StrSize (VariableName);
+  VariableToLock   = NULL;
 
   //
   // If VariableName exceeds SMM payload limit. Return failure
@@ -272,6 +273,7 @@ RuntimeServiceGetVariable (
 
   TempDataSize          = *DataSize;
   VariableNameSize      = StrSize (VariableName);
+  SmmVariableHeader     = NULL;
 
   //
   // If VariableName exceeds SMM payload limit. Return failure
@@ -374,6 +376,7 @@ RuntimeServiceGetNextVariableName (
 
   OutVariableNameSize   = *VariableNameSize;
   InVariableNameSize    = StrSize (VariableName);
+  SmmGetNextVariableName = NULL;
 
   //
   // If input string exceeds SMM payload limit. Return failure
@@ -491,6 +494,7 @@ RuntimeServiceSetVariable (
   }
 
   VariableNameSize      = StrSize (VariableName);
+  SmmVariableHeader     = NULL;
 
   //
   // If VariableName or DataSize exceeds SMM payload limit. Return failure
@@ -561,6 +565,8 @@ RuntimeServiceQueryVariableInfo (
   UINTN                                     PayloadSize;
   SMM_VARIABLE_COMMUNICATE_QUERY_VARIABLE_INFO *SmmQueryVariableInfo;
 
+  SmmQueryVariableInfo = NULL;
+
   if(MaximumVariableStorageSize == NULL || RemainingVariableStorageSize == NULL || MaximumVariableSize == NULL || Attributes == 0) {
     return EFI_INVALID_PARAMETER;
   }