From 7db4034f9ac578f1d834ff5ad062b8982ec81137 Mon Sep 17 00:00:00 2001
From: Eric Dong <eric.dong@intel.com>
Date: Thu, 25 Oct 2018 10:12:52 +0800
Subject: [PATCH] UefiCpuPkg/PiSmmCpuDxeSmm: Fix build failure for VS2012 and
 GCC49.

Code initialized in function can't be correctly detected by build tool.
Add code to clearly initialize the local variable before use it.

Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Dandan Bi <dandan.bi@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com>
---
 UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
index 5193fea2b3..a45e2dd3d7 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/CpuS3.c
@@ -451,6 +451,7 @@ SetRegister (
 
   InitApicId = GetInitialApicId ();
   RegisterTable = NULL;
+  ProcIndex = (UINTN)-1;
   for (Index = 0; Index < mAcpiCpuData.NumberOfCpus; Index++) {
     if (RegisterTables[Index].InitialApicId == InitApicId) {
       RegisterTable = &RegisterTables[Index];
-- 
2.39.2