From: Russell Bryant <russell@russellbryant.com>
Date: Mon, 22 Oct 2007 15:52:48 +0000 (+0000)
Subject: Don't leak a frame in the case that an END frame is received and the time since
X-Git-Tag: 1.4.14~110
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=20ce142d0194c5f99746ec057f1a834b0aa33608;p=thirdparty%2Fasterisk.git

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/branches/1.4@86750 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/main/channel.c b/main/channel.c
index 7c22fcf4bb..76e3af2903 100644
--- a/main/channel.c
+++ b/main/channel.c
@@ -2415,6 +2415,7 @@ 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);