The pointer Pml5Entry, returned from call to function
AllocatePageTableMemory, may be null.
So add check for it.
Cc: Eric Dong <eric.d...@intel.com>
Cc: Ray Ni <ray...@intel.com>
Cc: Laszlo Ersek <ler...@redhat.com>
Signed-off-by: Shenglei Zhang <shenglei.zh...@intel.com>
---
UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
index a3b62f778741..d7af3b6d7941 100644
--- a/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
+++ b/UefiCpuPkg/PiSmmCpuDxeSmm/X64/PageTbl.c
@@ -375,6 +375,7 @@ SmmInitPageTable (
// Fill PML5 entry
//
Pml5Entry = (UINT64*)AllocatePageTableMemory (1);
+ ASSERT (Pml5Entry != NULL);
*Pml5Entry = (UINTN) Pml4Entry | mAddressEncMask | PAGE_ATTRIBUTE_BITS;
ZeroMem (Pml5Entry + 1, EFI_PAGE_SIZE - sizeof (*Pml5Entry));
//
--
2.18.0.windows.1
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