diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index fdf2ddc4864d..e33abcff5608 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -3177,7 +3177,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, case TCP_TX_DELAY: if (val) tcp_enable_tx_delay(); - tp->tcp_tx_delay = val; + WRITE_ONCE(tp->tcp_tx_delay, val); break; default: err = -ENOPROTOOPT; @@ -3634,7 +3634,7 @@ static int do_tcp_getsockopt(struct sock *sk, int level, break; case TCP_TX_DELAY: - val = tp->tcp_tx_delay; + val = READ_ONCE(tp->tcp_tx_delay); break; case TCP_TIMESTAMP: