From 692e318d9d256aa3ab802b02f4dfba0eed5f2ee4 Mon Sep 17 00:00:00 2001
From: Eric Dong <eric.dong@intel.com>
Date: Thu, 25 Oct 2018 09:42:09 +0800
Subject: UefiCpuPkg/RegisterCpuFeaturesLib: 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/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c | 1 +
 1 file changed, 1 insertion(+)

(limited to 'UefiCpuPkg')

diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
index 7a5939c966..173f2edbea 100644
--- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
+++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
@@ -1029,6 +1029,7 @@ SetProcessorRegister (
 
   InitApicId = GetInitialApicId ();
   RegisterTable = NULL;
+  ProcIndex = (UINTN)-1;
   for (Index = 0; Index < AcpiCpuData->NumberOfCpus; Index++) {
     if (RegisterTables[Index].InitialApicId == InitApicId) {
       RegisterTable =  &RegisterTables[Index];
-- 
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