From 01d127f49ee365c44fe70aaff8220a0f63bfbbdf Mon Sep 17 00:00:00 2001
From: Rafal Kupiec <belliash@codingworkshop.eu.org>
Date: Tue, 14 May 2024 15:53:21 +0200
Subject: [PATCH] Consider not initialized list as empty, what prevents page
 faults

---
 xtoskrnl/rtl/plist.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/xtoskrnl/rtl/plist.c b/xtoskrnl/rtl/plist.c
index 09f9f03..e63483c 100644
--- a/xtoskrnl/rtl/plist.c
+++ b/xtoskrnl/rtl/plist.c
@@ -94,7 +94,7 @@ RtlInsertTailList(IN OUT PLIST_ENTRY ListHead,
 }
 
 /**
- * Indicates whether a doubly linked list structure is empty.
+ * Indicates whether a doubly linked list structure is empty, or not initialized at all.
  *
  * @param ListHead
  *        Pointer to a structure that represents the head of the list.
@@ -107,7 +107,7 @@ XTCDECL
 BOOLEAN
 RtlListEmpty(IN PLIST_ENTRY ListHead)
 {
-    return (ListHead->Flink == ListHead);
+    return (((ListHead->Flink == NULL) && (ListHead->Blink == NULL)) || (ListHead->Flink == ListHead));
 }
 
 /**