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-rw-r--r--net/ipv4/tcp.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index 8a441dfd258d..0a5f61b3423b 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -3081,7 +3081,7 @@ EXPORT_SYMBOL(tcp_sock_set_syncnt);
void tcp_sock_set_user_timeout(struct sock *sk, u32 val)
{
lock_sock(sk);
- inet_csk(sk)->icsk_user_timeout = val;
+ WRITE_ONCE(inet_csk(sk)->icsk_user_timeout, val);
release_sock(sk);
}
EXPORT_SYMBOL(tcp_sock_set_user_timeout);
@@ -3393,7 +3393,7 @@ static int do_tcp_setsockopt(struct sock *sk, int level, int optname,
if (val < 0)
err = -EINVAL;
else
- icsk->icsk_user_timeout = val;
+ WRITE_ONCE(icsk->icsk_user_timeout, val);
break;
case TCP_FASTOPEN:
@@ -3890,7 +3890,7 @@ static int do_tcp_getsockopt(struct sock *sk, int level,
break;
case TCP_USER_TIMEOUT:
- val = icsk->icsk_user_timeout;
+ val = READ_ONCE(icsk->icsk_user_timeout);
break;
case TCP_FASTOPEN: