[cgutman] 45090: - Fix a bug with our tei_instance selection (we could end up with the same tei_instance value on different entities of the same type if an entity of our type in the middle of the list was deleted previously)

Author: cgutman
Date: Fri Jan 15 22:00:50 2010
New Revision: 45090

URL: http://svn.reactos.org/svn/reactos?rev=45090&view=rev
Log:
 - Fix a bug with our tei_instance selection (we could end up with the same tei_instance value on different entities of the same type if an entity of our type in the middle of the list was deleted previously)

Modified:
    branches/aicom-network-branch/drivers/network/tcpip/tcpip/info.c

Modified: branches/aicom-network-branch/drivers/network/tcpip/tcpip/info.c
URL: http://svn.reactos.org/svn/reactos/branches/aicom-network-branch/drivers/net...
==============================================================================
--- branches/aicom-network-branch/drivers/network/tcpip/tcpip/info.c [iso-8859-1] (original)
+++ branches/aicom-network-branch/drivers/network/tcpip/tcpip/info.c [iso-8859-1] Fri Jan 15 22:00:50 2010
@@ -15,16 +15,27 @@
 VOID AddEntity(ULONG EntityType, PVOID Context, ULONG Flags)
 {
     KIRQL OldIrql;
-    ULONG i, Count = 0;
+    ULONG i, Instance = 0;
+    BOOLEAN ChoseIndex = FALSE;

TcpipAcquireSpinLock(&EntityListLock, &OldIrql);

-    for (i = 0; i < EntityCount; i++)
-         if (EntityList[i].tei_entity == EntityType)
-             Count++;
+    while (!ChoseIndex)
+    {
+         ChoseIndex = TRUE;
+         for (i = 0; i < EntityCount; i++)
+         {
+             if (EntityList[i].tei_entity == EntityType &&
+                 EntityList[i].tei_instance == Instance)
+             {
+                 Instance++;
+                 ChoseIndex = FALSE;
+             }
+         }
+    }

EntityList[EntityCount].tei_entity = EntityType;
-    EntityList[EntityCount].tei_instance = Count;
+    EntityList[EntityCount].tei_instance = Instance;
     EntityList[EntityCount].context = Context;
     EntityList[EntityCount].flags = Flags;
     EntityCount++;