From: Russell Bryant <russell@russellbryant.com>
Date: Wed, 18 Jul 2007 21:09:13 +0000 (+0000)
Subject: When traversing the queue of frames for possible retransmission after
X-Git-Tag: 1.2.26.1~23
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=6b5a7a6f648d61ae68c3ffff111dae0f7b01037a;p=thirdparty%2Fasterisk.git

When traversing the queue of frames for possible retransmission after
receiving a VNAK, handle sequence number wraparound so that all frames that
should be retransmitted actually do get retransmitted.
(issue #10227, reported and patched by mihai)


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@75757 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---

diff --git a/channels/chan_iax2.c b/channels/chan_iax2.c
index dacc20e17c..ad120dbdcf 100644
--- a/channels/chan_iax2.c
+++ b/channels/chan_iax2.c
@@ -6033,7 +6033,7 @@ static void vnak_retransmit(int callno, int last)
 	while(f) {
 		/* Send a copy immediately */
 		if ((f->callno == callno) && iaxs[f->callno] &&
-			(f->oseqno >= last)) {
+			((unsigned char ) (f->oseqno - last) < 128)) {
 			send_packet(f);
 		}
 		f = f->next;