diff options
Diffstat (limited to 'SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmmRuntimeDxe.c')
| -rw-r--r-- | SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmmRuntimeDxe.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmmRuntimeDxe.c b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmmRuntimeDxe.c index e87e12fc99..94b60bf5cf 100644 --- a/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmmRuntimeDxe.c +++ b/SecurityPkg/VariableAuthenticated/RuntimeDxe/VariableSmmRuntimeDxe.c @@ -59,6 +59,10 @@ EFI_LOCK mVariableServicesLock; EDKII_VARIABLE_LOCK_PROTOCOL mVariableLock;
EDKII_VAR_CHECK_PROTOCOL mVarCheck;
+#define MAX_NV_VARIABLE_SIZE (MAX (MAX (PcdGet32 (PcdMaxVariableSize), \
+ PcdGet32 (PcdMaxAuthVariableSize)), \
+ PcdGet32 (PcdMaxHardwareErrorVariableSize)))
+
/**
SecureBoot Hook for SetVariable.
@@ -931,7 +935,7 @@ SmmVariableReady ( //
// Allocate memory for variable communicate buffer.
//
- mVariableBufferPayloadSize = MAX (PcdGet32 (PcdMaxVariableSize), PcdGet32 (PcdMaxHardwareErrorVariableSize)) +
+ mVariableBufferPayloadSize = MAX_NV_VARIABLE_SIZE +
OFFSET_OF (SMM_VARIABLE_COMMUNICATE_VAR_CHECK_VARIABLE_PROPERTY, Name) - sizeof (VARIABLE_HEADER);
mVariableBufferSize = SMM_COMMUNICATE_HEADER_SIZE + SMM_VARIABLE_COMMUNICATE_HEADER_SIZE + mVariableBufferPayloadSize;
mVariableBuffer = AllocateRuntimePool (mVariableBufferSize);
|