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-rw-r--r--net/sctp/transport.c16
1 files changed, 13 insertions, 3 deletions
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index b026ba0c6992..a6b7ee9ce28a 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -68,6 +68,8 @@ static struct sctp_transport *sctp_transport_init(struct sctp_transport *peer,
peer->af_specific = sctp_get_af_specific(addr->sa.sa_family);
memset(&peer->saddr, 0, sizeof(union sctp_addr));
+ peer->sack_generation = 0;
+
/* From 6.3.1 RTO Calculation:
*
* C1) Until an RTT measurement has been made for a packet sent to the
@@ -226,7 +228,7 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk)
transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}
-void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
+void sctp_transport_update_pmtu(struct sock *sk, struct sctp_transport *t, u32 pmtu)
{
struct dst_entry *dst;
@@ -243,8 +245,16 @@ void sctp_transport_update_pmtu(struct sctp_transport *t, u32 pmtu)
}
dst = sctp_transport_dst_check(t);
- if (dst)
- dst->ops->update_pmtu(dst, pmtu);
+ if (!dst)
+ t->af_specific->get_dst(t, &t->saddr, &t->fl, sk);
+
+ if (dst) {
+ dst->ops->update_pmtu(dst, sk, NULL, pmtu);
+
+ dst = sctp_transport_dst_check(t);
+ if (!dst)
+ t->af_specific->get_dst(t, &t->saddr, &t->fl, sk);
+ }
}
/* Caches the dst entry and source address for a transport's destination
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