From 316fb598d2ae9358a111001508e1cfbf3e398877 Mon Sep 17 00:00:00 2001
From: Mark Michelson <mmichelson@digium.com>
Date: Thu, 7 Aug 2008 19:58:32 +0000
Subject: [PATCH] Don't allow Answer() to accept a negative argument. Negative
 argument means an infinite delay and we don't want that.

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@136635 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/pbx.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/main/pbx.c b/main/pbx.c
index 3edea4e050..6968171f22 100644
--- a/main/pbx.c
+++ b/main/pbx.c
@@ -7655,6 +7655,10 @@ static int pbx_builtin_answer(struct ast_channel *chan, void *data)
 	if ((chan->_state != AST_STATE_UP) && !ast_strlen_zero(data))
 		delay = atoi(data);
 
+	if (delay < 0) {
+		delay = 0;
+	}
+
 	return __ast_answer(chan, delay);
 }