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>

1 files changed, 8 insertions, 0 deletions

diff --git a/net/sctp/sm_make_chunk.c b/net/sctp/sm_make_chunk.c
index 3d867ce0e5ec..9d881a61ac02 100644
--- 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();