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-rw-r--r--ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.c b/ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.c
index 7f756a32d4..0283be430d 100644
--- a/ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.c
+++ b/ArmPkg/Drivers/MmCommunicationDxe/MmCommunication.c
@@ -83,7 +83,7 @@ MmCommunication2Communicate (
//
// Check parameters
//
- if (CommBufferVirtual == NULL) {
+ if ((CommBufferVirtual == NULL) || (CommBufferPhysical == NULL)) {
return EFI_INVALID_PARAMETER;
}