From f1c97bb3f405f43f74866c0a55a15a3f184f83b6 Mon Sep 17 00:00:00 2001
From: Jeff Fan <jeff.fan@intel.com>
Date: Tue, 1 Sep 2015 08:55:49 +0000
Subject: [PATCH] UefiCpuPkg/CpuMpPei: Check Function pointer in
 PeiStartupAllAPs ()

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18373 6f19259b-4bc3-4df7-8a09-765794883524
---
 UefiCpuPkg/CpuMpPei/PeiMpServices.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/UefiCpuPkg/CpuMpPei/PeiMpServices.c b/UefiCpuPkg/CpuMpPei/PeiMpServices.c
index 625c24a6f4..4215f9e51b 100644
--- a/UefiCpuPkg/CpuMpPei/PeiMpServices.c
+++ b/UefiCpuPkg/CpuMpPei/PeiMpServices.c
@@ -441,6 +441,10 @@ PeiStartupAllAPs (
     return EFI_NOT_FOUND;
   }
 
+  if (Procedure == NULL) {
+    return EFI_INVALID_PARAMETER;
+  }
+
   //
   // Check whether caller processor is BSP
   //