1 files changed, 5 insertions, 6 deletions
diff --git a/MdePkg/Library/BaseMemoryLibSse2/ScanMem64Wrapper.c b/MdePkg/Library/BaseMemoryLibSse2/ScanMem64Wrapper.c
index 589d45c1a1..7bfc7d721e 100644
--- a/MdePkg/Library/BaseMemoryLibSse2/ScanMem64Wrapper.c
+++ b/MdePkg/Library/BaseMemoryLibSse2/ScanMem64Wrapper.c
@@ -19,7 +19,7 @@
     BaseMemoryLibSse2
     BaseMemoryLibRepStr
     PeiMemoryLib
-    UefiMemoryLib
+    DxeMemoryLib
 
 **/
 
@@ -35,6 +35,7 @@
   then NULL is returned.  If Length is 0, then NULL is returned.
   If Length > 0 and Buffer is NULL, then ASSERT().
   If Buffer is not aligned on a 64-bit boundary, then ASSERT().
+  If Length is not aligned on a 64-bit boundary, then ASSERT().
   If Length is greater than (MAX_ADDRESS – Buffer + 1), then ASSERT(). 
 
   @param  Buffer      Pointer to the target buffer to scan.
@@ -52,16 +53,14 @@ ScanMem64 (
   IN UINT64      Value
   )
 {
-  UINTN     Stride;
-  
-  Stride = Length / sizeof (Value);
-  if (Stride == 0) {
+  if (Length == 0) {
     return NULL;
   }
 
   ASSERT (Buffer != NULL);
   ASSERT (((UINTN)Buffer & (sizeof (Value) - 1)) == 0);
   ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN)Buffer));
+  ASSERT ((Length & (sizeof (Value) - 1)) == 0);
 
-  return (VOID*)InternalMemScanMem64 (Buffer, Stride, Value);
+  return (VOID*)InternalMemScanMem64 (Buffer, Length / sizeof (Value), Value);
 }