From 9555c09717ee0b1ed4619942257c7b64aeb57f6e Mon Sep 17 00:00:00 2001
From: Hao Wu <hao.a.wu@intel.com>
Date: Mon, 27 Feb 2017 09:26:27 +0800
Subject: [PATCH] PerformancePkg/Dp_App: Add check to avoid NULL pointer
 deference

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Hao Wu <hao.a.wu@intel.com>
Reviewed-by: Star Zeng <star.zeng@intel.com>
---
 PerformancePkg/Dp_App/Dp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/PerformancePkg/Dp_App/Dp.c b/PerformancePkg/Dp_App/Dp.c
index e2cb862364..4cdc39edb4 100644
--- a/PerformancePkg/Dp_App/Dp.c
+++ b/PerformancePkg/Dp_App/Dp.c
@@ -400,7 +400,7 @@ InitializeDp (
       //      EndCount = Value counter counts to before it needs to be reset
       //
       Status = EfiGetSystemConfigurationTable (&gPerformanceProtocolGuid, (VOID **) &PerformanceProperty);
-      if (EFI_ERROR (Status)) {
+      if (EFI_ERROR (Status) || (PerformanceProperty == NULL)) {
         PrintToken (STRING_TOKEN (STR_PERF_PROPERTY_NOT_FOUND));
         goto Done;
       }
-- 
2.39.2