UINTN MemoryAttributesTableSize;\r
\r
Status = EfiGetSystemConfigurationTable (&gEfiMemoryAttributesTableGuid, (VOID **)&MemoryAttributesTable);\r
- if (!EFI_ERROR (Status)) {\r
+ if (!EFI_ERROR (Status) && (MemoryAttributesTable != NULL)) {\r
MemoryAttributesTableSize = sizeof(EFI_MEMORY_ATTRIBUTES_TABLE) + MemoryAttributesTable->DescriptorSize * MemoryAttributesTable->NumberOfEntries;\r
mUefiMemoryAttributesTable = AllocateCopyPool (MemoryAttributesTableSize, MemoryAttributesTable);\r
ASSERT (mUefiMemoryAttributesTable != NULL);\r