InstallAcpiTable() - Do not update the checksum in the passed in buffer – the buffer is an IN buffer and should be treated as such.

signed-off-by: jyao1
reviewed-by: rsun3

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@12869 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 1 insertions, 13 deletions

diff --git a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
index b911a346c0..6505de8bed 100644
--- a/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
+++ b/MdeModulePkg/Universal/Acpi/AcpiTableDxe/AcpiTableProtocol.c
@@ -317,8 +317,6 @@ InstallAcpiTable (
   EFI_ACPI_TABLE_INSTANCE   *AcpiTableInstance;

   EFI_STATUS                Status;

   VOID                      *AcpiTableBufferConst;

-  UINT32                    Length;

-  UINT8                     Checksum;

 

   //

   // Check for invalid input parameters

@@ -328,16 +326,6 @@ InstallAcpiTable (
     return EFI_INVALID_PARAMETER;

   }

 

-  Length   = ((EFI_ACPI_COMMON_HEADER *) AcpiTableBuffer)->Length;

-  Checksum = CalculateCheckSum8 ((UINT8 *)AcpiTableBuffer, Length);

-  if (Checksum != 0) {

-    AcpiPlatformChecksum (

-      (VOID *)AcpiTableBuffer,

-      (UINTN)Length,

-      OFFSET_OF (EFI_ACPI_DESCRIPTION_HEADER, Checksum)

-      );

-  }

-

   //

   // Get the instance of the ACPI table protocol

   //

@@ -351,7 +339,7 @@ InstallAcpiTable (
   Status = SetAcpiTable (

              AcpiTableInstance,

              AcpiTableBufferConst,

-             FALSE,

+             TRUE,

              EFI_ACPI_TABLE_VERSION_1_0B | EFI_ACPI_TABLE_VERSION_2_0 | EFI_ACPI_TABLE_VERSION_3_0,

              TableKey

              );