From 290fe898f0ff504e87b69454f2ac43e4658b45b0 Mon Sep 17 00:00:00 2001
From: Christian Richter <christian.richter@beronet.com>
Date: Fri, 6 Oct 2006 12:53:41 +0000
Subject: [PATCH] Merged revisions 44460 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.2

........
r44460 | crichter | 2006-10-05 12:02:38 +0200 (Do, 05 Okt 2006) | 1 line

fixed segfault which happens during hold/transfer action
........


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@44563 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_misdn.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/channels/chan_misdn.c b/channels/chan_misdn.c
index 20000b0577..76b4165bc5 100644
--- a/channels/chan_misdn.c
+++ b/channels/chan_misdn.c
@@ -3164,7 +3164,7 @@ static struct chan_list *find_chan_by_pid(struct chan_list *list, int pid)
 {
 	struct chan_list *help=list;
 	for (;help; help=help->next) {
-		if (help->bc->pid == pid) return help;
+		if ( help->bc && (help->bc->pid == pid) ) return help;
 	}
   
 	chan_misdn_log(6, 0, "$$$ find_chan: No channel found for pid:%d\n",pid);