ntdll: Fix the index check in RtlGetAce.

The index is zero based so we should obviously be returning STATUS_INVALID_PARAMETER if the index is equal to the ACE count.

ntdll: Fix the index check in RtlGetAce.
21e2caa4 · Rob Shearman · Alexandre Julliard · 261bf8da · 21e2caa4
Commit 21e2caa4 authored Jan 22, 2008 by Rob Shearman Committed by Alexandre Julliard Jan 23, 2008
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sec.c dlls/ntdll/sec.c +1 -1

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--- a/dlls/ntdll/sec.c
+++ b/dlls/ntdll/sec.c
@@ -1341,7 +1341,7 @@ NTSTATUS WINAPI RtlGetAce(PACL pAcl,DWORD dwAceIndex,LPVOID *pAce )

 	TRACE("(%p,%d,%p)\n",pAcl,dwAceIndex,pAce);

-	if (dwAceIndex > pAcl->AceCount)
+	if (dwAceIndex >= pAcl->AceCount)
 		return STATUS_INVALID_PARAMETER;

 	ace = (PACE_HEADER)(pAcl + 1);