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-rw-r--r--include/net/tcp.h6
1 files changed, 3 insertions, 3 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 43e04e14c41e..86b9a8766648 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -501,9 +501,9 @@ static inline void tcp_synq_overflow(const struct sock *sk)
}
}
- last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
+ last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp);
if (!time_between32(now, last_overflow, last_overflow + HZ))
- tcp_sk(sk)->rx_opt.ts_recent_stamp = now;
+ WRITE_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp, now);
}
/* syncookies: no recent synqueue overflow on this listening socket? */
@@ -524,7 +524,7 @@ static inline bool tcp_synq_no_recent_overflow(const struct sock *sk)
}
}
- last_overflow = tcp_sk(sk)->rx_opt.ts_recent_stamp;
+ last_overflow = READ_ONCE(tcp_sk(sk)->rx_opt.ts_recent_stamp);
/* If last_overflow <= jiffies <= last_overflow + TCP_SYNCOOKIE_VALID,
* then we're under synflood. However, we have to use