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-rw-r--r--EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c
index 093705c60d..b44da1c474 100644
--- a/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c
+++ b/EdkModulePkg/Universal/EmuVariable/RuntimeDxe/EmuVariable.c
@@ -336,8 +336,12 @@ Returns:
//
VarDataSize = Variable.CurrPtr->DataSize;
if (*DataSize >= VarDataSize) {
+ if (Data == NULL) {
+ return EFI_INVALID_PARAMETER;
+ }
+
CopyMem (Data, GetVariableDataPtr (Variable.CurrPtr), VarDataSize);
- if (Attributes) {
+ if (Attributes != NULL) {
*Attributes = Variable.CurrPtr->Attributes;
}