net: sctp: sctp_transport_destroy{, _rcu}: fix potential pointer corruption

[karo-tx-linux.git] / net / sctp / transport.c

diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index bdbbc3fd7c14e9fa2c31d4faf7de9b7b64540292..8fdd16046d668b0c6cf927e5e87754f2ebfaf583 100644 (file)
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -181,12 +181,12 @@ static void sctp_transport_destroy(struct sctp_transport *transport)
                return;
        }
 
-       call_rcu(&transport->rcu, sctp_transport_destroy_rcu);
-
        sctp_packet_free(&transport->packet);
 
        if (transport->asoc)
                sctp_association_put(transport->asoc);
+
+       call_rcu(&transport->rcu, sctp_transport_destroy_rcu);
 }
 
 /* Start T3_rtx timer if it is not already running and update the heartbeat