sctp: update the route for non-active transports after addresses are added

Update the route and saddr entries for the non-active transports as some
of the added addresses can be used as better source addresses, or may
be there is a better route.

Signed-off-by: Wei Yongjun <yjwei@cn.fujitsu.com>
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 3d867ce..9d881a6 100644 (file)
--- a/net/sctp/sm_make_chunk.c
+++ b/net/sctp/sm_make_chunk.c
@@ -3134,6 +3134,14 @@ static void sctp_asconf_param_success(struct sctp_association *asoc,
                                saddr->state = SCTP_ADDR_SRC;
                }
                local_bh_enable();
+               list_for_each_entry(transport, &asoc->peer.transport_addr_list,
+                               transports) {
+                       if (transport->state == SCTP_ACTIVE)
+                               continue;
+                       dst_release(transport->dst);
+                       sctp_transport_route(transport, NULL,
+                                            sctp_sk(asoc->base.sk));
+               }
                break;
        case SCTP_PARAM_DEL_IP:
                local_bh_disable();