Alistair Leslie-Hughes : ntdll: RtlFirstFreeAce only return FALSE on error.

[Alexandre Julliard]

Module: wine
Branch: oldstable
Commit: 18ca759234ac7cb00ba37999422dd974d5c7afff
URL:    https://gitlab.winehq.org/wine/wine/-/commit/18ca759234ac7cb00ba37999422dd97...

Author: Alistair Leslie-Hughes 
Date:   Mon Feb  8 13:16:52 2021 +1100

ntdll: RtlFirstFreeAce only return FALSE on error.

(cherry picked from commit 0cc26c121831be32bb20092398668f4dfd732327)
Signed-off-by: Michael Stefaniuc

---

dlls/ntdll/sec.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/dlls/ntdll/sec.c b/dlls/ntdll/sec.c
index 5c1c9b1fbb0..9cebcb4f58e 100644
--- a/dlls/ntdll/sec.c
+++ b/dlls/ntdll/sec.c
@@ -1149,9 +1149,8 @@ BOOLEAN WINAPI RtlFirstFreeAce(
    		return FALSE;
    	ace = (PACE_HEADER)(((BYTE*)ace)+ace->AceSize);
    }
-	if ((BYTE *)ace >= (BYTE *)acl + acl->AclSize)
-		return FALSE;
-	*x = ace;
+	if ((BYTE *)ace <= (BYTE *)acl + acl->AclSize)
+		*x = ace;
    return TRUE;
 }