Update Tcg2Smm _PRS patching logic to fix compile issue

Cc: Liming Gao <liming....@intel.com>
Cc: Dandan Bi <dandan...@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Chao Zhang <chao.b.zh...@intel.com>
---
 SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c 
b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c
index e3938cb..6eb62ae 100644
--- a/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c
+++ b/SecurityPkg/Tcg/Tcg2Smm/Tcg2Smm.c
@@ -539,10 +539,11 @@ UpdatePossibleResource (
   *(DataPtr + 1) = 0;
 
   //
-  // 5. Jump over whole ResourceTemplate. Stuff rest bytes to NOOP
+  // 5. Jump over new ResourceTemplate. Stuff rest bytes to NOOP
   //
-  for (DataPtr += 2; DataPtr < DataEndPtr; DataPtr++) {
-    *DataPtr = AML_NOOP_OP;
+  DataPtr += 2;
+  if (DataPtr < DataEndPtr) {
+    SetMem(DataPtr, (UINTN)(DataEndPtr - DataPtr), AML_NOOP_OP);
   }
 
   return EFI_SUCCESS;
-- 
1.9.5.msysgit.1

_______________________________________________
edk2-devel mailing list
edk2-devel@lists.01.org
https://lists.01.org/mailman/listinfo/edk2-devel

Reply via email to