From 9948c0b0183845817b83a444a8cb1f4b2ec93a4c Mon Sep 17 00:00:00 2001
From: eric_tian <eric_tian@6f19259b-4bc3-4df7-8a09-765794883524>
Date: Thu, 10 Sep 2009 06:51:55 +0000
Subject: if PcdHwErrStorageSize is zero, it means HwErr variable store doesn't
 exist in Variable Region.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@9252 6f19259b-4bc3-4df7-8a09-765794883524
---
 MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
index e524777843..a4a26372d5 100644
--- a/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
+++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/Variable.c
@@ -2179,7 +2179,7 @@ ReclaimForOS(
   VOID       *Context
   )
 {
-  EFI_STATUS                      Status;
+  EFI_STATUS                     Status;
   UINTN                          CommonVariableSpace;
   UINTN                          RemainingCommonVariableSpace;
   UINTN                          RemainingHwErrVariableSpace;
@@ -2192,10 +2192,11 @@ ReclaimForOS(
 
   RemainingHwErrVariableSpace = PcdGet32 (PcdHwErrStorageSize) - mVariableModuleGlobal->HwErrVariableTotalSize;
   //
-  // Check if the free area is blow a threshold
+  // Check if the free area is blow a threshold.
   //
   if ((RemainingCommonVariableSpace < PcdGet32 (PcdMaxVariableSize))
-    || (RemainingHwErrVariableSpace < PcdGet32 (PcdMaxHardwareErrorVariableSize))){
+    || ((PcdGet32 (PcdHwErrStorageSize) != 0) && 
+       (RemainingHwErrVariableSpace < PcdGet32 (PcdMaxHardwareErrorVariableSize)))){
     Status = Reclaim (
             mVariableModuleGlobal->VariableGlobal.NonVolatileVariableBase,
             &mVariableModuleGlobal->NonVolatileLastVariableOffset,
-- 
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