From: Mark Spencer <markster@digium.com>
Date: Tue, 8 Jul 2003 18:50:02 +0000 (+0000)
Subject: Don't retry lock if there is no channel
X-Git-Tag: 0.5.0~329
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=a5a9db828e0dcae7b72339f175bf91b48603a05e;p=thirdparty%2Fasterisk.git

Don't retry lock if there is no channel


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1167 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_agent.c b/channels/chan_agent.c
index 0e90ac39bf..29dc13a5ad 100755
--- a/channels/chan_agent.c
+++ b/channels/chan_agent.c
@@ -438,10 +438,12 @@ static struct ast_channel *agent_new(struct agent_pvt *p, int state)
 		p->app_sleep_cond = 0;
 		if( pthread_mutex_trylock(&p->app_lock) )
 		{
-			ast_queue_frame(p->chan, &null_frame, 1);
-			ast_pthread_mutex_unlock(&p->lock);	/* For other thread to read the condition. */
-			ast_pthread_mutex_lock(&p->app_lock);
-			ast_pthread_mutex_lock(&p->lock);
+			if (p->chan) {
+				ast_queue_frame(p->chan, &null_frame, 1);
+				ast_pthread_mutex_unlock(&p->lock);	/* For other thread to read the condition. */
+				ast_pthread_mutex_lock(&p->app_lock);
+				ast_pthread_mutex_lock(&p->lock);
+			}
 			if( !p->chan )
 			{
 				ast_log(LOG_WARNING, "Agent disconnected while we were connecting the call\n");