From: Hao Wu <hao.a.wu@intel.com>
Date: Mon, 27 Feb 2017 01:26:27 +0000 (+0800)
Subject: PerformancePkg/Dp_App: Add check to avoid NULL pointer deference
X-Git-Tag: edk2-stable201903~4546
X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=commitdiff_plain;h=9555c09717ee0b1ed4619942257c7b64aeb57f6e

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 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;
       }