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Consider not initialized list as empty, what prevents page faults

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This commit is contained in:
Rafal Kupiec 2024-05-14 15:53:21 +02:00
parent 60a9e4b534
commit 01d127f49e
Signed by: belliash
GPG Key ID: 4E829243E0CFE6B4
1 changed files with 2 additions and 2 deletions
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4
xtoskrnl/rtl/plist.c
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@ -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 * @param ListHead
* Pointer to a structure that represents the head of the list. * Pointer to a structure that represents the head of the list.
@ -107,7 +107,7 @@ XTCDECL
BOOLEAN BOOLEAN
RtlListEmpty(IN PLIST_ENTRY ListHead) RtlListEmpty(IN PLIST_ENTRY ListHead)
{ {
return (ListHead->Flink == ListHead); return (((ListHead->Flink == NULL) && (ListHead->Blink == NULL)) || (ListHead->Flink == ListHead));
} }
/** /**