From e409675f98a2ed6ef852d1e2119915ad889dee1d Mon Sep 17 00:00:00 2001
From: Rafal Kupiec <belliash@codingworkshop.eu.org>
Date: Tue, 20 Feb 2024 16:16:32 +0100
Subject: [PATCH] Always use RtlSetMemory() to fill a buffer with a specified
 pattern

---
 xtoskrnl/ar/i686/procsup.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xtoskrnl/ar/i686/procsup.c b/xtoskrnl/ar/i686/procsup.c
index 99856cd..f2652c5 100644
--- a/xtoskrnl/ar/i686/procsup.c
+++ b/xtoskrnl/ar/i686/procsup.c
@@ -365,7 +365,7 @@ VOID
 ArpInitializeTss(IN PKPROCESSOR_BLOCK ProcessorBlock)
 {
     /* Clear I/O map */
-    RtlFillMemory(ProcessorBlock->TssBase->IoMaps[0].IoMap, IOPM_FULL_SIZE, 0xFF);
+    RtlSetMemory(ProcessorBlock->TssBase->IoMaps[0].IoMap, 0xFF, IOPM_FULL_SIZE);
 
     /* Fill Interrupt Direction Maps with zeroes */
     RtlZeroMemory(ProcessorBlock->TssBase->IoMaps[0].DirectionMap, IOPM_DIRECTION_MAP_SIZE);