From a47024fcd7c3489ff1cae3fc4075a20a88bda0c8 Mon Sep 17 00:00:00 2001
From: Aleksey Bragin <aleksey@reactos.org>
Date: Thu, 25 Apr 2013 14:15:10 +0000
Subject: [PATCH] [RTL] - Apply similar fixes as in 58848 to
 RtlGetElementGenericTable (no need to make too fancy predecrements if they
 work incorrectly in this case when do/while loops were unnecessary at all).

svn path=/trunk/; revision=58850
---
 reactos/lib/rtl/generictable.c | 20 ++++++++++++--------
 1 file changed, 12 insertions(+), 8 deletions(-)

diff --git a/reactos/lib/rtl/generictable.c b/reactos/lib/rtl/generictable.c
index 798ad1e58d7..8dce8d686b4 100644
--- a/reactos/lib/rtl/generictable.c
+++ b/reactos/lib/rtl/generictable.c
@@ -451,21 +451,23 @@ RtlGetElementGenericTable(IN PRTL_GENERIC_TABLE Table,
         {
             /* Do the search backwards, since this takes less iterations */
             DeltaDown = OrderedElement - NextI;
-            do
+            while (DeltaDown)
             {
                 /* Get next node */
                 OrderedNode = OrderedNode->Blink;
-            } while (--DeltaDown);
+                DeltaDown--;
+            }
         }
         else
         {
             /* Follow the list directly instead */
             OrderedNode = &Table->InsertOrderList;
-            do
+            while (NextI)
             {
                 /* Get next node */
                 OrderedNode = OrderedNode->Flink;
-            } while (--NextI);
+                NextI--;
+            }
         }
     }
     else
@@ -478,21 +480,23 @@ RtlGetElementGenericTable(IN PRTL_GENERIC_TABLE Table,
         if (DeltaUp <= DeltaDown)
         {
             /* Do the search forwards, since this takes less iterations */
-            do
+            while (DeltaUp)
             {
                 /* Get next node */
                 OrderedNode = OrderedNode->Blink;
-            } while (--DeltaUp);
+                DeltaUp--;
+            }
         }
         else
         {
             /* Do the search downwards, since this takes less iterations */
             OrderedNode = &Table->InsertOrderList;
-            do
+            while (DeltaDown)
             {
                 /* Get next node */
                 OrderedNode = OrderedNode->Blink;
-            } while (--DeltaDown);
+                DeltaDown--;
+            }
         }
     }
 
-- 
2.17.1