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-rw-r--r--EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c b/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c
index 51240bbdc7..e470da0af0 100644
--- a/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c
+++ b/EdkCompatibilityPkg/Compatibility/SmmBaseOnSmmBase2Thunk/SmmBaseOnSmmBase2Thunk.c
@@ -202,6 +202,10 @@ SmmBaseCommunicate (
/// Note this is a runtime interface
///
+ if (CommunicationBuffer == NULL || BufferSize == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
mCommunicationData.FunctionData.Function = SmmBaseFunctionCommunicate;
mCommunicationData.FunctionData.Args.Communicate.ImageHandle = ImageHandle;
mCommunicationData.FunctionData.Args.Communicate.CommunicationBuffer = CommunicationBuffer;