diff options
Diffstat (limited to 'MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c')
-rw-r--r-- | MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c b/MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c index 6d80eb6434..085f82035f 100644 --- a/MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c +++ b/MdeModulePkg/Universal/Variable/RuntimeDxe/TcgMorLockSmm.c @@ -5,6 +5,7 @@ This module adds Variable Hook and check MemoryOverwriteRequestControlLock.
Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
+Copyright (c) Microsoft Corporation.
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -17,6 +18,10 @@ SPDX-License-Identifier: BSD-2-Clause-Patent #include <Library/BaseMemoryLib.h>
#include "Variable.h"
+#include <Protocol/VariablePolicy.h>
+
+#include <Library/VariablePolicyLib.h>
+
typedef struct {
CHAR16 *VariableName;
EFI_GUID *VendorGuid;
@@ -341,6 +346,11 @@ SetVariableCheckHandlerMor ( return EFI_SUCCESS;
}
+ // Permit deletion when policy is disabled.
+ if (!IsVariablePolicyEnabled() && ((Attributes == 0) || (DataSize == 0))) {
+ return EFI_SUCCESS;
+ }
+
//
// MorLock variable
//
|