From a275df8f9a4d2a43772ea5d1765b541a1191ad3f Mon Sep 17 00:00:00 2001
From: Dandan Bi <dandan.bi@intel.com>
Date: Fri, 27 May 2016 16:00:28 +0800
Subject: MdeModulePkg: Clear the buffer after using it

Cc: Liming Gao <liming.gao@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan.bi@intel.com>
Reviewed-by: Liming Gao <liming.gao@intel.com>
---
 MdeModulePkg/Universal/DisplayEngineDxe/ProcessOptions.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'MdeModulePkg/Universal/DisplayEngineDxe/ProcessOptions.c')

diff --git a/MdeModulePkg/Universal/DisplayEngineDxe/ProcessOptions.c b/MdeModulePkg/Universal/DisplayEngineDxe/ProcessOptions.c
index 95bd5f0..557e8ec 100644
--- a/MdeModulePkg/Universal/DisplayEngineDxe/ProcessOptions.c
+++ b/MdeModulePkg/Universal/DisplayEngineDxe/ProcessOptions.c
@@ -907,7 +907,8 @@ PasswordProcess (
 
     Status = EFI_INVALID_PARAMETER;
   }
-  
+  ZeroMem (TempString, (Maximum + 1) * sizeof (CHAR16));
+  ZeroMem (StringPtr, (Maximum + 1) * sizeof (CHAR16));
   FreePool (TempString);
   FreePool (StringPtr);
 
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