---
MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c | 18 ++++++++++++------
MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c | 3 +++
2 files changed, 15 insertions(+), 6 deletions(-)
diff --git a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
index 62aeaf86c8..b4b0f07d5e 100644
--- a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
+++ b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/DmaMem.c
@@ -240,10 +240,16 @@ IoMmuInit (
VOID
)
{
- PeiServicesLocatePpi (
- &gEdkiiIoMmuPpiGuid,
- 0,
- NULL,
- (VOID **)&mIoMmu
- );
+ EFI_STATUS Status;
+
+ Status = PeiServicesLocatePpi (
+ &gEdkiiIoMmuPpiGuid,
+ 0,
+ NULL,
+ (VOID **)&mIoMmu
+ );
+
+ if (EFI_ERROR(Status)) {
+ DEBUG ((DEBUG_INFO, "Locate mIoMmu Ppi is failed!!!\n"));
+ }
}
diff --git a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
index b7dd9b6acd..b5f0324908 100644
--- a/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
+++ b/MdeModulePkg/Bus/Ufs/UfsBlockIoPei/UfsHcMem.c
@@ -414,6 +414,9 @@ UfsPeimFreeMem (
//
ASSERT (Block != NULL);
+ if (Block == NULL) {
+ return;
+ }
//
// Release the current memory block if it is empty and not the head
//
--
2.31.0.windows.1
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