Don't try to expire if there is no expirey

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@1748 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_iax.c

@@ -1594,6 +1594,7 @@ static struct iax_peer *mysql_peer(char *peer)
 		strncpy(p->name, peer, sizeof(p->name) - 1);
 		p->dynamic = 1;
 		p->delme = 1;
+		p->expire = -1;
 		p->capability = iax_capability;
 		strcpy(p->methods, "md5,plaintext");
 	}
@@ -3447,6 +3448,7 @@ static int update_registry(char *name, struct sockaddr_in *sin, int callno)
 		/* Setup the expirey */
 		if (p->expire > -1)
 			ast_sched_del(sched, p->expire);
+		if (p->expirey)
 			p->expire = ast_sched_add(sched, p->expirey * 1000, expire_registry, (void *)p);
 		MYSNPRINTF "peer=%s;yourip=%s;yourport=%d;refresh=%d;",
 			p->name, inet_ntoa(p->addr.sin_addr), ntohs(p->addr.sin_port), p->expirey);

channels/chan_iax2.c

@@ -1596,6 +1596,7 @@ static struct iax2_peer *mysql_peer(char *peer)
 		strncpy(p->name, peer, sizeof(p->name) - 1);
 		p->dynamic = 1;
 		p->delme = 1;
+		p->expire = -1;
 		p->capability = iax2_capability;
 		p->authmethods = IAX_AUTH_MD5 | IAX_AUTH_PLAINTEXT;
 	}
@@ -3568,6 +3569,7 @@ static int update_registry(char *name, struct sockaddr_in *sin, int callno)
 		/* Setup the expirey */
 		if (p->expire > -1)
 			ast_sched_del(sched, p->expire);
+		if (p->expirey)
 			p->expire = ast_sched_add(sched, p->expirey * 1000, expire_registry, (void *)p);
 		iax_ie_append_str(&ied, IAX_IE_USERNAME, p->name);
 		iax_ie_append_short(&ied, IAX_IE_REFRESH, p->expirey);