diff options
| -rw-r--r-- | MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c index eafb53322e..c714916019 100644 --- a/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/VariableSmm.c @@ -695,11 +695,10 @@ SmmVariableHandler ( // It is covered by previous CommBuffer check
//
- if (!SmmIsBufferOutsideSmmValid ((EFI_PHYSICAL_ADDRESS)(UINTN)CommBufferSize, sizeof(UINTN))) {
- DEBUG ((EFI_D_ERROR, "GetStatistics: SMM communication buffer in SMRAM!\n"));
- Status = EFI_ACCESS_DENIED;
- goto EXIT;
- }
+ //
+ // Do not need to check CommBufferSize buffer as it should point to SMRAM
+ // that was used by SMM core to cache CommSize from SmmCommunication protocol.
+ //
Status = SmmVariableGetStatistics (VariableInfo, &InfoSize);
*CommBufferSize = InfoSize + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE;
|