From cc75689a4c4eb94b2fd7e3870347b9237ab39503 Mon Sep 17 00:00:00 2001
From: Vlad Yasevich <vladislav.yasevich@hp.com>
Date: Fri, 24 Aug 2007 19:30:25 +0900
Subject: SCTP: Uncomfirmed transports can't become Inactive

Do not set Unconfirmed transports to Inactive state.  This may
result in an inactive association being destroyed since we start
counting errors on "inactive" transports against the association.
This was found at the SCTP interop event.

Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index 498edb0..2ad1caf 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -727,7 +727,12 @@ void sctp_assoc_control_transport(struct sctp_association *asoc,
 		break;
 
 	case SCTP_TRANSPORT_DOWN:
-		transport->state = SCTP_INACTIVE;
+		/* if the transort was never confirmed, do not transition it
+		 * to inactive state.
+		 */
+		if (transport->state != SCTP_UNCONFIRMED)
+			transport->state = SCTP_INACTIVE;
+
 		spc_state = SCTP_ADDR_UNREACHABLE;
 		break;
 
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