diff options
| author | Eric Dumazet <edumazet@google.com> | 2025-06-20 15:55:35 +0000 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2025-06-23 17:05:11 -0700 |
| commit | 3169e36ae14802b01abe4bfa7ec593b0a1af5cc7 (patch) | |
| tree | cf5e5c786662af907bf4cfef42b736493a00fe6b /net/smc | |
| parent | 0fd9e5958ebb41188700b566467a1d9a3ebcdece (diff) | |
net: make sk->sk_sndtimeo lockless
Followup of commit 285975dd6742 ("net: annotate data-races around
sk->sk_{rcv|snd}timeo").
Remove lock_sock()/release_sock() from sock_set_sndtimeo(),
and add READ_ONCE()/WRITE_ONCE() where it is needed.
Also SO_SNDTIMEO_OLD and SO_SNDTIMEO_NEW can call sock_set_timeout()
without holding the socket lock.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://patch.msgid.link/20250620155536.335520-2-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/smc')
| -rw-r--r-- | net/smc/af_smc.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/net/smc/af_smc.c b/net/smc/af_smc.c index 3760131f1484..6375a86fe2b5 100644 --- a/net/smc/af_smc.c +++ b/net/smc/af_smc.c @@ -486,7 +486,7 @@ static void smc_copy_sock_settings(struct sock *nsk, struct sock *osk, { /* options we don't get control via setsockopt for */ nsk->sk_type = osk->sk_type; - nsk->sk_sndtimeo = osk->sk_sndtimeo; + nsk->sk_sndtimeo = READ_ONCE(osk->sk_sndtimeo); nsk->sk_rcvtimeo = osk->sk_rcvtimeo; nsk->sk_mark = READ_ONCE(osk->sk_mark); nsk->sk_priority = READ_ONCE(osk->sk_priority); @@ -1585,7 +1585,7 @@ static void smc_connect_work(struct work_struct *work) { struct smc_sock *smc = container_of(work, struct smc_sock, connect_work); - long timeo = smc->sk.sk_sndtimeo; + long timeo = READ_ONCE(smc->sk.sk_sndtimeo); int rc = 0; if (!timeo) |