ExfInterlockedInsertTailList(): Permit uninitialized (zeroed) ListHead

[reactos.git] / ntoskrnl / ex / list.c

diff --git a/ntoskrnl/ex/list.c b/ntoskrnl/ex/list.c
index d4b0e1c..55fdec5 100644 (file)
--- a/ntoskrnl/ex/list.c
+++ b/ntoskrnl/ex/list.c
@@ -295,6 +295,10 @@ ExfInterlockedInsertTailList(IN PLIST_ENTRY ListHead,
     {
       Old = ListHead->Blink;
     }
+#ifdef LIBCAPTIVE
+  if (!ListHead->Flink && !ListHead->Blink)
+    InitializeListHead(ListHead);
+#endif /* LIBCAPTIVE */
   InsertTailList(ListHead,ListEntry);
   KeReleaseSpinLock(Lock,oldlvl);