diff options
| author | Paolo Abeni <pabeni@redhat.com> | 2024-02-02 12:40:11 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2024-02-05 11:18:09 +0000 |
| commit | 28e5c138050670e813017102c1ac842a6a0aa297 (patch) | |
| tree | e53ee1def28cd6c5dc681c6f51ee01dbaf422725 /net/mptcp/sockopt.c | |
| parent | b9f4554356f60c6ab33ef6604d1aa94475449b1f (diff) | |
mptcp: annotate lockless accesses around read-mostly fields
The following MPTCP socket fields:
- can_ack
- fully_established
- rcv_data_fin
- snd_data_fin_enable
- rcv_fastclose
- use_64bit_ack
are accessed without any lock, add the appropriate annotation.
The schema is safe as each field can change its value at most
once in the whole mptcp socket life cycle.
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Mat Martineau <martineau@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/mptcp/sockopt.c')
| -rw-r--r-- | net/mptcp/sockopt.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/mptcp/sockopt.c b/net/mptcp/sockopt.c index c40f1428e602..da37e4541a5d 100644 --- a/net/mptcp/sockopt.c +++ b/net/mptcp/sockopt.c @@ -942,7 +942,7 @@ void mptcp_diag_fill_info(struct mptcp_sock *msk, struct mptcp_info *info) mptcp_data_unlock(sk); slow = lock_sock_fast(sk); - info->mptcpi_csum_enabled = msk->csum_enabled; + info->mptcpi_csum_enabled = READ_ONCE(msk->csum_enabled); info->mptcpi_token = msk->token; info->mptcpi_write_seq = msk->write_seq; info->mptcpi_retransmits = inet_csk(sk)->icsk_retransmits; |