tcp: annotate data-races around tcp_rsk(req)->ts_recent

[tomoyo/tomoyo-test1.git] / net / ipv4 / tcp_output.c

diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 3b09cd1..51d8638 100644 (file)
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -878,7 +878,7 @@ static unsigned int tcp_synack_options(const struct sock *sk,
        if (likely(ireq->tstamp_ok)) {
                opts->options |= OPTION_TS;
                opts->tsval = tcp_skb_timestamp(skb) + tcp_rsk(req)->ts_off;
-               opts->tsecr = req->ts_recent;
+               opts->tsecr = READ_ONCE(req->ts_recent);
                remaining -= TCPOLEN_TSTAMP_ALIGNED;
        }
        if (likely(ireq->sack_ok)) {