[SCTP]: Set assoc_id correctly during INIT collision.
[sfrench/cifs-2.6.git] / net / sctp / sm_statefuns.c
index 9e28a5d512003beab8eef1755265366905524b05..f02ce3dddb7b0ca622e7244717621e2d59a0de25 100644 (file)
@@ -1656,7 +1656,6 @@ static sctp_disposition_t sctp_sf_do_dupcook_b(const struct sctp_endpoint *ep,
                                        struct sctp_association *new_asoc)
 {
        sctp_init_chunk_t *peer_init;
-       struct sctp_ulpevent *ev;
        struct sctp_chunk *repl;
 
        /* new_asoc is a brand-new association, so these are not yet
@@ -1687,34 +1686,28 @@ static sctp_disposition_t sctp_sf_do_dupcook_b(const struct sctp_endpoint *ep,
         * D) IMPLEMENTATION NOTE: An implementation may choose to
         * send the Communication Up notification to the SCTP user
         * upon reception of a valid COOKIE ECHO chunk.
+        *
+        * Sadly, this needs to be implemented as a side-effect, because
+        * we are not guaranteed to have set the association id of the real
+        * association and so these notifications need to be delayed until
+        * the association id is allocated.
         */
-       ev = sctp_ulpevent_make_assoc_change(asoc, 0, SCTP_COMM_UP, 0,
-                                            new_asoc->c.sinit_num_ostreams,
-                                            new_asoc->c.sinit_max_instreams,
-                                            NULL, GFP_ATOMIC);
-       if (!ev)
-               goto nomem_ev;
 
-       sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP, SCTP_ULPEVENT(ev));
+       sctp_add_cmd_sf(commands, SCTP_CMD_ASSOC_CHANGE, SCTP_U8(SCTP_COMM_UP));
 
        /* Sockets API Draft Section 5.3.1.6
         * When a peer sends a Adaptation Layer Indication parameter , SCTP
         * delivers this notification to inform the application that of the
         * peers requested adaptation layer.
+        *
+        * This also needs to be done as a side effect for the same reason as
+        * above.
         */
-       if (asoc->peer.adaptation_ind) {
-               ev = sctp_ulpevent_make_adaptation_indication(asoc, GFP_ATOMIC);
-               if (!ev)
-                       goto nomem_ev;
-
-               sctp_add_cmd_sf(commands, SCTP_CMD_EVENT_ULP,
-                               SCTP_ULPEVENT(ev));
-       }
+       if (asoc->peer.adaptation_ind)
+               sctp_add_cmd_sf(commands, SCTP_CMD_ADAPTATION_IND, SCTP_NULL());
 
        return SCTP_DISPOSITION_CONSUME;
 
-nomem_ev:
-       sctp_chunk_free(repl);
 nomem:
        return SCTP_DISPOSITION_NOMEM;
 }