From: Michio Honda <micchie@sfc.wide.ad.jp>
Date: Thu, 16 Jun 2011 01:54:23 +0000 (+0900)
Subject: sctp: HEARTBEAT negotiation after ASCONF
X-Git-Tag: firefly_0821_release~3680^2~4273^2~405
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=f207c050fb1c385e34946e57107e639831c7d557;p=firefly-linux-kernel-4.4.55.git

sctp: HEARTBEAT negotiation after ASCONF

This patch fixes BUG that the ASCONF receiver transmits DATA chunks
to the newly added UNCONFIRMED destination.

Signed-off-by: Michio Honda <micchie@sfc.wide.ad.jp>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/sctp/outqueue.c b/net/sctp/outqueue.c
index a6d27bf563a5..14c2b06028ff 100644
--- a/net/sctp/outqueue.c
+++ b/net/sctp/outqueue.c
@@ -917,6 +917,8 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 		 * current cwnd).
 		 */
 		if (!list_empty(&q->retransmit)) {
+			if (asoc->peer.retran_path->state == SCTP_UNCONFIRMED)
+				goto sctp_flush_out;
 			if (transport == asoc->peer.retran_path)
 				goto retran;
 
@@ -989,6 +991,8 @@ static int sctp_outq_flush(struct sctp_outq *q, int rtx_timeout)
 			    ((new_transport->state == SCTP_INACTIVE) ||
 			     (new_transport->state == SCTP_UNCONFIRMED)))
 				new_transport = asoc->peer.active_path;
+			if (new_transport->state == SCTP_UNCONFIRMED)
+				continue;
 
 			/* Change packets if necessary.  */
 			if (new_transport != transport) {