From 1e74f596b238358fe0b348208d4ef714ce5dd9f2 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Sun, 12 Feb 2012 15:45:59 +0100
Subject: [PATCH] Fixed a possible crash when canceling VDR while displaying
 subtitles, and the primary device is no longer available

---
 HISTORY     | 2 ++
 device.c    | 5 +++--
 dvbdevice.c | 3 ++-
 3 files changed, 7 insertions(+), 3 deletions(-)

diff --git a/HISTORY b/HISTORY
index fe486796..54e72a0d 100644
--- a/HISTORY
+++ b/HISTORY
@@ -6855,3 +6855,5 @@ Video Disk Recorder Revision History
   faster in case the file is very large (suggested by Helmut Auer).
 - Fixed selecting the primary device for receiving the live viewing channel in
   case it is bonded with an other device and has no receiver attached to it.
+- Fixed a possible crash when canceling VDR while displaying subtitles, and the
+  primary device is no longer available.
diff --git a/device.c b/device.c
index 714668db..5ffc28d1 100644
--- a/device.c
+++ b/device.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: device.c 2.46 2012/01/18 10:43:00 kls Exp $
+ * $Id: device.c 2.47 2012/02/12 15:44:06 kls Exp $
  */
 
 #include "device.h"
@@ -41,7 +41,8 @@ cLiveSubtitle::~cLiveSubtitle()
 
 void cLiveSubtitle::Receive(uchar *Data, int Length)
 {
-  cDevice::PrimaryDevice()->PlayTs(Data, Length);
+  if (cDevice::PrimaryDevice())
+     cDevice::PrimaryDevice()->PlayTs(Data, Length);
 }
 
 // --- cDeviceHook -----------------------------------------------------------
diff --git a/dvbdevice.c b/dvbdevice.c
index 2966ef33..ca522e8b 100644
--- a/dvbdevice.c
+++ b/dvbdevice.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: dvbdevice.c 2.60 2012/02/12 12:38:49 kls Exp $
+ * $Id: dvbdevice.c 2.61 2012/02/12 15:45:10 kls Exp $
  */
 
 #include "dvbdevice.h"
@@ -1008,6 +1008,7 @@ cDvbDevice::cDvbDevice(int Adapter, int Frontend)
   numModulations = 0;
   bondedDevice = NULL;
   needsDetachBondedReceivers = false;
+  tsBuffer = NULL;
 
   // Devices that are present on all card types: