SecurityPkg: Tcg2Smm: Refine type cast in pointer abstraction

[mirror_edk2.git] / SecurityPkg / Tcg / Tcg2Smm / Tcg2Smm.c

diff --git a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c
index 6eb62ae64ca3c7ec49ce158b045885c2aea81b1d..c3cee834ae8dbb6d65cc47bec21d36ba5814391b 100644 (file)
--- a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c
+++ b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c
@@ -543,7 +543,7 @@ UpdatePossibleResource (
   //\r
   DataPtr += 2;\r
   if (DataPtr < DataEndPtr) {\r
-    SetMem(DataPtr, (UINTN)(DataEndPtr - DataPtr), AML_NOOP_OP);\r
+    SetMem(DataPtr, (UINTN)DataEndPtr - (UINTN)DataPtr, AML_NOOP_OP);\r
   }\r
 \r
   return EFI_SUCCESS;\r