From 37db91a3b8cbee6e4532418603991de418bbdf24 Mon Sep 17 00:00:00 2001
From: Joshua Colp <jcolp@digium.com>
Date: Thu, 30 Nov 2006 20:27:29 +0000
Subject: [PATCH] Don't write AST_FRAME_NULL or AST_FRAME_IAX frames out to the
 channel driver. (issue #8390 reported by hselasky)

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@48161 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channel.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/channel.c b/channel.c
index c18022c8e9..57ca8fe162 100644
--- a/channel.c
+++ b/channel.c
@@ -2296,6 +2296,11 @@ int ast_write(struct ast_channel *chan, struct ast_frame *fr)
 		else
 			res = 0;
 		break;
+	case AST_FRAME_NULL:
+	case AST_FRAME_IAX:
+		/* Ignore these */
+		res = 0;
+		break;
 	default:
 		if (chan->tech->write) {
 			f = (chan->writetrans) ? ast_translate(chan->writetrans, fr, 0) : fr;