[aandrejevic] 63122: [BASESRV] Don't accept NULL as a valid console handle.

Author: aandrejevic
Date: Fri May  2 23:00:10 2014
New Revision: 63122

URL: http://svn.reactos.org/svn/reactos?rev=63122&view=rev
Log:
[BASESRV]
Don't accept NULL as a valid console handle.

Modified:
    branches/ntvdm/subsystems/win/basesrv/vdm.c

Modified: branches/ntvdm/subsystems/win/basesrv/vdm.c
URL: http://svn.reactos.org/svn/reactos/branches/ntvdm/subsystems/win/basesrv/vdm...
==============================================================================
--- branches/ntvdm/subsystems/win/basesrv/vdm.c	[iso-8859-1] (original)
+++ branches/ntvdm/subsystems/win/basesrv/vdm.c	[iso-8859-1] Fri May  2 23:00:10 2014
@@ -28,6 +28,9 @@
 {
     PLIST_ENTRY i;
     PVDM_CONSOLE_RECORD CurrentRecord = NULL;
+
+    /* NULL is not a valid console handle */
+    if (ConsoleHandle == NULL) return STATUS_INVALID_PARAMETER;

/* Search for a record that has the same console handle */
     for (i = VDMConsoleListHead.Flink; i != &VDMConsoleListHead; i = i->Flink)