[janderwald] 43253: - Check if NodeId is out of bounds - Return correct status code

Author: janderwald
Date: Fri Oct  2 12:53:36 2009
New Revision: 43253

URL: http://svn.reactos.org/svn/reactos?rev=43253&view=rev
Log:
- Check if NodeId is out of bounds
- Return correct status code

Modified:
    trunk/reactos/drivers/ksfilter/ks/topology.c

Modified: trunk/reactos/drivers/ksfilter/ks/topology.c
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/drivers/ksfilter/ks/topolo…
==============================================================================
--- trunk/reactos/drivers/ksfilter/ks/topology.c [iso-8859-1] (original)
+++ trunk/reactos/drivers/ksfilter/ks/topology.c [iso-8859-1] Fri Oct  2 12:53:36 2009
@@ -241,6 +241,13 @@
         case KSPROPERTY_TOPOLOGY_NAME:
             Node = (KSP_NODE*)Property;
 
+            if (Node->NodeId >= Topology->TopologyNodesCount)
+            {
+                Irp->IoStatus.Information = 0;
+                Status = STATUS_INVALID_PARAMETER;
+                break;
+            }
+
             Status =
RtlStringFromGUID(&Topology->TopologyNodesNames[Node->NodeId],
&GuidString);
             if (!NT_SUCCESS(Status))
             {
@@ -254,6 +261,7 @@
             if (!KeyName.Buffer)
             {
                 Irp->IoStatus.Information = 0;
+                Status = STATUS_INSUFFICIENT_RESOURCES;
                 break;
             }