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net: annotate data-races around sk->sk_tsflags

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sk->sk_tsflags can be read locklessly, add corresponding annotations.

Fixes: b9f40e21ef ("net-timestamp: move timestamp flags out of sk_flags")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet
2023-08-31 13:52:11 +00:00
committed by David S. Miller
parent 9531e4a83f
commit e3390b30a5
13 changed files with 40 additions and 32 deletions
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4
net/ipv4/tcp.c
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@@ -2259,14 +2259,14 @@ void tcp_recv_timestamp(struct msghdr *msg, const struct sock *sk,
}
}
if (sk->sk_tsflags & SOF_TIMESTAMPING_SOFTWARE)
if (READ_ONCE(sk->sk_tsflags) & SOF_TIMESTAMPING_SOFTWARE)
has_timestamping = true;
else
tss->ts[0] = (struct timespec64) {0};
}
if (tss->ts[2].tv_sec || tss->ts[2].tv_nsec) {
if (sk->sk_tsflags & SOF_TIMESTAMPING_RAW_HARDWARE)
if (READ_ONCE(sk->sk_tsflags) & SOF_TIMESTAMPING_RAW_HARDWARE)
has_timestamping = true;
else
tss->ts[2] = (struct timespec64) {0};