[cgutman] 35457: - Make sure we have an mdl and a buffer

Author: cgutman
Date: Tue Aug 19 12:45:53 2008
New Revision: 35457

URL: http://svn.reactos.org/svn/reactos?rev=35457&view=rev
Log:
 - Make sure we have an mdl and a buffer

Modified:
    branches/aicom-network-fixes/drivers/network/afd/afd/lock.c

Modified: branches/aicom-network-fixes/drivers/network/afd/afd/lock.c
URL: http://svn.reactos.org/svn/reactos/branches/aicom-network-fixes/drivers/netw...
==============================================================================
--- branches/aicom-network-fixes/drivers/network/afd/afd/lock.c [iso-8859-1] (original)
+++ branches/aicom-network-fixes/drivers/network/afd/afd/lock.c [iso-8859-1] Tue Aug 19 12:45:53 2008
@@ -50,6 +50,8 @@
 }

VOID UnlockRequest( PIRP Irp, PIO_STACK_LOCATION IrpSp ) {
+    if( !IrpSp->Parameters.DeviceIoControl.Type3InputBuffer || !Irp->MdlAddress ) return;
+
     MmUnmapLockedPages( IrpSp->Parameters.DeviceIoControl.Type3InputBuffer,
    		Irp->MdlAddress );
     MmUnlockPages( Irp->MdlAddress );