Index: drivers/network/afd/afd/info.c
===================================================================
--- drivers/network/afd/afd/info.c	(revision 72697)
+++ drivers/network/afd/afd/info.c	(working copy)
@@ -226,7 +226,12 @@
                                               TDI_QUERY_ADDRESS_INFO,
                                               Mdl );
         }
-    } else
+
+        /*check if MmProbeAndLockPages or TdiQueryInformation failed and clean-up Mdl*/
+        if (!NT_SUCCESS(Status))
+            IoFreeMdl(Mdl);
+    }
+    else
         Status = STATUS_INSUFFICIENT_RESOURCES;
 
     return UnlockAndMaybeComplete( FCB, Status, Irp, 0 );