From a54eca55cfd576123ec0ec925a643ebab055ee15 Mon Sep 17 00:00:00 2001
From: Russell Bryant <russell@russellbryant.com>
Date: Mon, 22 Oct 2007 15:57:02 +0000
Subject: [PATCH] Merged revisions 86750 via svnmerge from
 https://origsvn.digium.com/svn/asterisk/branches/1.4

........
r86750 | russell | 2007-10-22 10:52:48 -0500 (Mon, 22 Oct 2007) | 8 lines

Don't leak a frame in the case that an END frame is received and the time since
the BEGIN is less than that of the defined minimum DTMF duration.

(closes issue #11051)
Reported by: casper
Patches:
      channel.c.86664.diff uploaded by casper (license 55)

........


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@86751 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 main/channel.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/main/channel.c b/main/channel.c
index 4ee088948b..acc851aacb 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -2360,6 +2360,7 @@ static struct ast_frame *__ast_read(struct ast_channel *chan, int dropaudio)
 					ast_set_flag(chan, AST_FLAG_EMULATE_DTMF);
 					chan->emulate_dtmf_digit = f->subclass;
 					chan->emulate_dtmf_duration = AST_MIN_DTMF_DURATION - f->len;
+					ast_frfree(f);
 					f = &ast_null_frame;
 				} else {
 					ast_log(LOG_DTMF, "DTMF end passthrough '%c' on %s\n", f->subclass, chan->name);
-- 
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