Cc: Ruiyu Ni <ruiyu...@intel.com>
Cc: Jeff Fan <jeff....@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Dandan Bi <dandan...@intel.com>
---
UefiCpuPkg/Library/MtrrLib/MtrrLib.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
index 8e84272..c38191a 100644
--- a/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
+++ b/UefiCpuPkg/Library/MtrrLib/MtrrLib.c
@@ -700,10 +700,11 @@ MtrrLibGetPositiveMtrrNumber (
UINT64 SubLength;
UINT32 MtrrNumber;
BOOLEAN UseLeastAlignment;
UseLeastAlignment = TRUE;
+ SubLength = 0;
//
// Calculate the alignment of the base address.
//
for (MtrrNumber = 0; Length != 0; MtrrNumber++) {
@@ -852,10 +853,11 @@ MtrrLibGetMtrrNumber (
UINT32 Index;
*SubLeft = 0;
*SubRight = 0;
LeastSubtractiveMtrrNumber = 0;
+ BaseAlignment = 0;
//
// Get the optimal left subtraction solution.
//
if (BaseAddress != 0) {
@@ -1625,10 +1627,12 @@ MtrrLibSetMemoryAttributeInVariableMtrr (
UINT32 MtrrNumber;
UINT32 SubtractiveLeft;
UINT32 SubtractiveRight;
BOOLEAN UseLeastAlignment;
+ Alignment = 0;
+
MtrrNumber = MtrrLibGetMtrrNumber (Ranges, RangeCount, VariableMtrr,
*VariableMtrrCount,
BaseAddress, Length, Type, Alignment0,
&SubtractiveLeft, &SubtractiveRight);
if (MtrrNumber + *VariableMtrrCount > VariableMtrrCapacity) {
return RETURN_OUT_OF_RESOURCES;
--
1.9.5.msysgit.1
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