fixed segfault which happens during hold/transfer action

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@44460 65c4cc65-6c06-0410-ace0-fbb531ad65f3
19 years ago · 8684599f6c
parent a8c86fb9b2
commit 8684599f6c
1 changed files with 1 additions and 1 deletions
--- a/channels/chan_misdn.c
+++ b/channels/chan_misdn.c
@ -2826,7 +2826,7 @@ 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);