From a1fda4f2182b99404cef8dca44e388d3482b2f69 Mon Sep 17 00:00:00 2001
From: Klaus Schmidinger <vdr@tvdr.de>
Date: Wed, 26 Apr 2017 09:18:26 +0200
Subject: [PATCH] Fixed a possible crash when pulling the CAM while decrypting
 a channel with MTD (cont'd)

---
 ci.c  | 7 +++++--
 mtd.c | 8 +++++++-
 mtd.h | 4 +++-
 3 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/ci.c b/ci.c
index ee338279..f64c17e3 100644
--- a/ci.c
+++ b/ci.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: ci.c 4.12 2017/04/24 09:05:49 kls Exp $
+ * $Id: ci.c 4.13 2017/04/26 09:18:26 kls Exp $
  */
 
 #include "ci.h"
@@ -1971,7 +1971,10 @@ void cCamSlot::Process(cTPDU *TPDU)
                StopDecrypting();
                DeleteAllConnections();
                CancelActivation();
-               MtdActivate(false);
+               if (mtdHandler)
+                  mtdHandler->UnAssignAll();
+               else
+                  Assign(NULL);
                break;
           case msReset:
                dbgprotocol("Slot %d: module reset\n", slotNumber);
diff --git a/mtd.c b/mtd.c
index bf792dd9..29fe520f 100644
--- a/mtd.c
+++ b/mtd.c
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mtd.c 1.9 2017/03/27 14:26:04 kls Exp $
+ * $Id: mtd.c 1.10 2017/04/26 08:33:54 kls Exp $
  */
 
 #include "mtd.h"
@@ -136,6 +136,12 @@ bool cMtdHandler::Devices(cVector<int> &CardIndexes)
   return CardIndexes.Size() > 0;
 }
 
+void cMtdHandler::UnAssignAll(void)
+{
+  for (int i = 0; i < camSlots.Size(); i++)
+      camSlots[i]->Assign(NULL);
+}
+
 // --- cMtdMapper ------------------------------------------------------------
 
 #define MTD_INVALID_PID 0xFFFF
diff --git a/mtd.h b/mtd.h
index b7742022..7f2151a3 100644
--- a/mtd.h
+++ b/mtd.h
@@ -4,7 +4,7 @@
  * See the main source file 'vdr.c' for copyright information and
  * how to reach the author.
  *
- * $Id: mtd.h 1.6 2017/03/27 08:30:00 kls Exp $
+ * $Id: mtd.h 1.7 2017/04/26 09:17:08 kls Exp $
  */
 
 #ifndef __MTD_H
@@ -140,6 +140,8 @@ public:
       ///< Adds the card indexes of the devices of any active MTD CAM slots to
       ///< the given CardIndexes.
       ///< Returns true if the array is not empty.
+  void UnAssignAll(void);
+      ///< Unassigns all MTD CAM slots from their devices.
   };
 
 #define MTD_DONT_CALL(v) dsyslog("PROGRAMMING ERROR (%s,%d): DON'T CALL %s", __FILE__, __LINE__, __FUNCTION__); return v;