From 4186c83e7b2780cbd6aa8609f13523fe24827428 Mon Sep 17 00:00:00 2001
From: Johannes Anderwald <johannes.anderwald@reactos.org>
Date: Mon, 21 Jun 2010 14:25:44 +0000
Subject: [PATCH] [PORTCLS] - Add sanity checks

svn path=/trunk/; revision=47817
---
 reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp b/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp
index 0520480ae92..4da90868a70 100644
--- a/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp
+++ b/reactos/drivers/wdm/audio/backpln/portcls/pin_wavecyclic.cpp
@@ -1222,6 +1222,10 @@ CPortPinWaveCyclic::Init(
     // delay of 10 milisec
     m_Delay = Int32x32To64(10, -10000);
 
+    // sanity checks
+    PC_ASSERT(m_CommonBufferSize);
+    PC_ASSERT(m_CommonBuffer);
+
     Status = m_Stream->SetNotificationFreq(10, &m_FrameSize);
     PC_ASSERT(NT_SUCCESS(Status));
     PC_ASSERT(m_FrameSize);