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-rw-r--r--MdeModulePkg/Universal/Variable/Pei/Variable.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Variable/Pei/Variable.c b/MdeModulePkg/Universal/Variable/Pei/Variable.c
index 92e690724d..52e19d1f73 100644
--- a/MdeModulePkg/Universal/Variable/Pei/Variable.c
+++ b/MdeModulePkg/Universal/Variable/Pei/Variable.c
@@ -603,6 +603,13 @@ Returns:
//
VarDataSize = DataSizeOfVariable (Variable.CurrPtr);
if (*DataSize >= VarDataSize) {
+ //
+ // PO-TKW: Address one checking in this place
+ //
+ if (Data == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
(*PeiServices)->CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize);
if (Attributes != NULL) {