From 19e01cf0ed8b9ad811a5f4d1befe3f0c0d6a0fa0 Mon Sep 17 00:00:00 2001
From: Andrew Yang <30510259+AndrewYangMSFT@users.noreply.github.com>
Date: Wed, 22 Jan 2025 11:18:18 -0800
Subject: [PATCH] Use helper function ReadNoFence() to read instead

---
 serial/VirtualSerial2/queue.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/serial/VirtualSerial2/queue.c b/serial/VirtualSerial2/queue.c
index ac763bd96..371ef6936 100644
--- a/serial/VirtualSerial2/queue.c
+++ b/serial/VirtualSerial2/queue.c
@@ -717,7 +717,7 @@ QueueProcessGetLineControl(
     //
     // Take a snapshot of the line control register variable
     //
-    lineControlSnapshot = *lineControlRegister;
+    lineControlSnapshot = ReadNoFence((LONG *)lineControlRegister);
 
     //
     // Decode the word length
@@ -801,7 +801,7 @@ QueueProcessSetLineControl(
     NTSTATUS                status;
     PDEVICE_CONTEXT         deviceContext;
     SERIAL_LINE_CONTROL     lineControl = {0};
-    volatile ULONG*         lineControlRegister;
+    ULONG                   *lineControlRegister;
     UCHAR                   lineControlData = 0;
     UCHAR                   lineControlStop = 0;
     UCHAR                   lineControlParity = 0;
@@ -946,7 +946,7 @@ QueueProcessSetLineControl(
 #endif
         }
 
-        lineControlSnapshot = *lineControlRegister;
+        lineControlSnapshot = ReadNoFence((LONG *)lineControlRegister);
 
         lineControlNew = (lineControlSnapshot & SERIAL_LCR_BREAK) |
                         (lineControlData | lineControlParity | lineControlStop);