commit 8e2614fc1c2a525d3244df65da486fc914a2bf78
author Xin Long <lucien.xin@gmail.com> Mon Mar 18 20:06:00 2019 +0800
committer David S. Miller <davem@davemloft.net> Mon Mar 18 18:31:08 2019 -0700
tree 658ad63276815eaab6b26c20d36f525474d9577f
parent 1354e72fabf4d8763817564648984351755f0ccb

sctp: fix ignoring asoc_id for tcp-style sockets on SCTP_DELAYED_SACK sockopt

A similar fix as Patch "sctp: fix ignoring asoc_id for tcp-style sockets on
SCTP_DEFAULT_SEND_PARAM sockopt" on SCTP_DELAYED_SACK sockopt.

Fixes: 9c5829e1c49e ("sctp: use SCTP_FUTURE_ASSOC and add SCTP_CURRENT_ASSOC for SCTP_DELAYED_SACK sockopt")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/sctp/socket.c

diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index d0e5c62..4c5821b 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -2920,6 +2920,9 @@ static int sctp_setsockopt_delayed_ack(struct sock *sk,
 		return 0;
 	}
 
+	if (sctp_style(sk, TCP))
+		params.sack_assoc_id = SCTP_FUTURE_ASSOC;
+
 	if (params.sack_assoc_id == SCTP_FUTURE_ASSOC ||
 	    params.sack_assoc_id == SCTP_ALL_ASSOC) {
 		if (params.sack_delay) {