Merged revisions 141367 via svnmerge from

https://origsvn.digium.com/svn/asterisk/trunk

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r141367 | mmichelson | 2008-09-05 16:12:09 -0500 (Fri, 05 Sep 2008) | 15 lines

Merged revisions 141366 via svnmerge from 
https://origsvn.digium.com/svn/asterisk/branches/1.4

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r141366 | mmichelson | 2008-09-05 16:10:32 -0500 (Fri, 05 Sep 2008) | 7 lines

Agent's should not try to call a channel's indicate callback
if the channel has been hung up. It will likely crash
otherwise

ABE-1159


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git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.0@141368 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_agent.c

@@ -646,7 +646,7 @@ static int agent_indicate(struct ast_channel *ast, int condition, const void *da
 	struct agent_pvt *p = ast->tech_pvt;
 	int res = -1;
 	ast_mutex_lock(&p->lock);
-	if (p->chan)
+	if (p->chan && !ast_check_hangup(p->chan))
 		res = p->chan->tech->indicate ? p->chan->tech->indicate(p->chan, condition, data, datalen) : -1;
 	else
 		res = 0;