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>

diff --git a/PerformancePkg/Dp_App/Dp.c b/PerformancePkg/Dp_App/Dp.c
index e2cb862364abd1a738f933c675d24a921918d6e1..4cdc39edb42e75ccf0221839550df5fa9fab0f2b 100644 (file)
--- 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\r
       //\r
       Status = EfiGetSystemConfigurationTable (&gPerformanceProtocolGuid, (VOID **) &PerformanceProperty);\r
-      if (EFI_ERROR (Status)) {\r
+      if (EFI_ERROR (Status) || (PerformanceProperty == NULL)) {\r
         PrintToken (STRING_TOKEN (STR_PERF_PROPERTY_NOT_FOUND));\r
         goto Done;\r
       }\r