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Use SMM_VARIABLE_COMMUNICATE_HEADER_SIZE instead of OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data). 

Signed-off-by: Star Zeng <star.zeng@intel.com>
Reviewed-by: Ting Ye <ting.ye@intel.com>

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13993 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
lzeng14 2012-12-12 14:12:49 +00:00
parent d0ad204c5b
commit 3f5c168fa8
2 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c
View File

@ -445,7 +445,7 @@ SmmVariableHandler (
//
// SMRAM range check already covered before
//
if (InfoSize > *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data)) {
if (InfoSize > *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
DEBUG ((EFI_D_ERROR, "Data size exceed communication buffer size limit!\n"));
Status = EFI_ACCESS_DENIED;
goto EXIT;
@ -467,7 +467,7 @@ SmmVariableHandler (
//
// SMRAM range check already covered before
//
if (InfoSize > *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data)) {
if (InfoSize > *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
DEBUG ((EFI_D_ERROR, "Data size exceed communication buffer size limit!\n"));
Status = EFI_ACCESS_DENIED;
goto EXIT;
@ -498,7 +498,7 @@ SmmVariableHandler (
//
// SMRAM range check already covered before
//
if (InfoSize > *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data)) {
if (InfoSize > *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
DEBUG ((EFI_D_ERROR, "Data size exceed communication buffer size limit!\n"));
Status = EFI_ACCESS_DENIED;
goto EXIT;
@ -528,7 +528,7 @@ SmmVariableHandler (
case SMM_VARIABLE_FUNCTION_GET_STATISTICS:
VariableInfo = (VARIABLE_INFO_ENTRY *) SmmVariableFunctionHeader->Data;
InfoSize = *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data);
InfoSize = *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE;
//
// Do not need to check SmmVariableFunctionHeader->Data in SMRAM here.
@ -542,7 +542,7 @@ SmmVariableHandler (
}
Status = SmmVariableGetStatistics (VariableInfo, &InfoSize);
*CommBufferSize = InfoSize + OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data);
*CommBufferSize = InfoSize + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE;
break;
default:

10
SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmm.c
View File

@ -451,7 +451,7 @@ SmmVariableHandler (
//
// SMRAM range check already covered before
//
if (InfoSize > *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data)) {
if (InfoSize > *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
DEBUG ((EFI_D_ERROR, "Data size exceed communication buffer size limit!\n"));
Status = EFI_ACCESS_DENIED;
goto EXIT;
@ -473,7 +473,7 @@ SmmVariableHandler (
//
// SMRAM range check already covered before
//
if (InfoSize > *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data)) {
if (InfoSize > *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
DEBUG ((EFI_D_ERROR, "Data size exceed communication buffer size limit!\n"));
Status = EFI_ACCESS_DENIED;
goto EXIT;
@ -504,7 +504,7 @@ SmmVariableHandler (
//
// SMRAM range check already covered before
//
if (InfoSize > *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data)) {
if (InfoSize > *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE) {
DEBUG ((EFI_D_ERROR, "Data size exceed communication buffer size limit!\n"));
Status = EFI_ACCESS_DENIED;
goto EXIT;
@ -534,7 +534,7 @@ SmmVariableHandler (
case SMM_VARIABLE_FUNCTION_GET_STATISTICS:
VariableInfo = (VARIABLE_INFO_ENTRY *) SmmVariableFunctionHeader->Data;
InfoSize = *CommBufferSize - OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data);
InfoSize = *CommBufferSize - SMM_VARIABLE_COMMUNICATE_HEADER_SIZE;
//
// Do not need to check SmmVariableFunctionHeader->Data in SMRAM here.
@ -548,7 +548,7 @@ SmmVariableHandler (
}
Status = SmmVariableGetStatistics (VariableInfo, &InfoSize);
*CommBufferSize = InfoSize + OFFSET_OF (SMM_VARIABLE_COMMUNICATE_HEADER, Data);
*CommBufferSize = InfoSize + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE;
break;
default: