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>

diff --git a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
index 7a5939c966dfa2844ed6614182549d8bc7fb53ce..173f2edbeaf13c7d2a8aff5206a7fa0d3f5a1458 100644 (file)
--- a/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
+++ b/UefiCpuPkg/Library/RegisterCpuFeaturesLib/CpuFeaturesInitialize.c
@@ -1029,6 +1029,7 @@ SetProcessorRegister (
 \r
   InitApicId = GetInitialApicId ();\r
   RegisterTable = NULL;\r
+  ProcIndex = (UINTN)-1;\r
   for (Index = 0; Index < AcpiCpuData->NumberOfCpus; Index++) {\r
     if (RegisterTables[Index].InitialApicId == InitApicId) {\r
       RegisterTable =  &RegisterTables[Index];\r