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Include read data buffer in CommBufferSize when calculate the buffer size.

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Signed-off-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Chao Zhang <chao.b.zhang@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13512 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
ydong10 2012-07-09 02:03:47 +00:00
parent 661cab5d6a
commit 96277f7402
2 changed files with 4 additions and 4 deletions
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4
MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmmRuntimeDxe.c
View File

@ -156,9 +156,9 @@ RuntimeServiceGetVariable (
//
// Init the communicate buffer. The buffer data size is:
// SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE + PayloadSize.
// SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE + PayloadSize + DataSize.
//
PayloadSize = OFFSET_OF (SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE, Name) + StrSize (VariableName);
PayloadSize = OFFSET_OF (SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE, Name) + StrSize (VariableName) + *DataSize;
Status = InitCommunicateBuffer ((VOID **)&SmmVariableHeader, PayloadSize, SMM_VARIABLE_FUNCTION_GET_VARIABLE);
if (EFI_ERROR (Status)) {
return Status;

4
SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmmRuntimeDxe.c
View File

@ -172,9 +172,9 @@ RuntimeServiceGetVariable (
//
// Init the communicate buffer. The buffer data size is:
// SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE + PayloadSize.
// SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE + PayloadSize + DataSize.
//
PayloadSize = OFFSET_OF (SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE, Name) + StrSize (VariableName);
PayloadSize = OFFSET_OF (SMM_VARIABLE_COMMUNICATE_ACCESS_VARIABLE, Name) + StrSize (VariableName) + *DataSize;
Status = InitCommunicateBuffer ((VOID **)&SmmVariableHeader, PayloadSize, SMM_VARIABLE_FUNCTION_GET_VARIABLE);
if (EFI_ERROR (Status)) {
return Status;