sctp: Adjust PMTU updates to accomodate route invalidation.

This adjusts the call to dst_ops->update_pmtu() so that we can
transparently handle the fact that, in the future, the dst itself can
be invalidated by the PMTU update (when we have non-host routes cached
in sockets).

Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 2 insertions, 2 deletions

diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index b16517ee1aaf..8cf348e62e74 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1360,7 +1360,7 @@ struct sctp_transport *sctp_assoc_choose_alter_transport(
 /* Update the association's pmtu and frag_point by going through all the
  * transports. This routine is called when a transport's PMTU has changed.
  */
-void sctp_assoc_sync_pmtu(struct sctp_association *asoc)
+void sctp_assoc_sync_pmtu(struct sock *sk, struct sctp_association *asoc)
 {
         struct sctp_transport *t;
         __u32 pmtu = 0;
@@ -1372,7 +1372,7 @@ void sctp_assoc_sync_pmtu(struct sctp_association *asoc)
         list_for_each_entry(t, &asoc->peer.transport_addr_list,
                                 transports) {
                 if (t->pmtu_pending && t->dst) {
-                        sctp_transport_update_pmtu(t, dst_mtu(t->dst));
+                        sctp_transport_update_pmtu(sk, t, dst_mtu(t->dst));
                         t->pmtu_pending = 0;
                 }
                 if (!pmtu || (t->pathmtu < pmtu))