net: sctp: sideeffect: throw BUG if primary_path is NULL

[firefly-linux-kernel-4.4.55.git] / net / sctp / sm_sideeffect.c

diff --git a/net/sctp/sm_sideeffect.c b/net/sctp/sm_sideeffect.c
index 8aab894aeabeecb410c9763e33824f5dec7a6c91..ff91f47b0239e98d966e877dd74b3546c294f536 100644 (file)
--- a/net/sctp/sm_sideeffect.c
+++ b/net/sctp/sm_sideeffect.c
@@ -864,6 +864,7 @@ static void sctp_cmd_delete_tcb(sctp_cmd_seq_t *cmds,
            (!asoc->temp) && (sk->sk_shutdown != SHUTDOWN_MASK))
                return;
 
+       BUG_ON(asoc->peer.primary_path == NULL);
        sctp_unhash_established(asoc);
        sctp_association_free(asoc);
 }
@@ -1274,8 +1275,10 @@ static int sctp_cmd_interpreter(sctp_event_t event_type,
                                sctp_outq_uncork(&asoc->outqueue);
                                local_cork = 0;
                        }
-                       asoc = cmd->obj.asoc;
+
                        /* Register with the endpoint.  */
+                       asoc = cmd->obj.asoc;
+                       BUG_ON(asoc->peer.primary_path == NULL);
                        sctp_endpoint_add_asoc(ep, asoc);
                        sctp_hash_established(asoc);
                        break;