diff options
| author | Eric Dumazet <[email protected]> | 2023-08-04 14:46:15 +0000 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2023-08-06 07:24:55 +0000 |
| commit | a81722ddd7e4d76c9bbff078d29416e18c6d7f71 (patch) | |
| tree | 83bf415b9788593c662c6fb41522bfaddbdf8ac9 /net/ipv4/tcp_timer.c | |
| parent | tcp: set TCP_KEEPCNT locklessly (diff) | |
| download | kernel-a81722ddd7e4d76c9bbff078d29416e18c6d7f71.tar.gz kernel-a81722ddd7e4d76c9bbff078d29416e18c6d7f71.zip | |
tcp: set TCP_LINGER2 locklessly
tp->linger2 can be set locklessly as long as readers
use READ_ONCE().
Signed-off-by: Eric Dumazet <[email protected]>
Acked-by: Soheil Hassas Yeganeh <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'net/ipv4/tcp_timer.c')
| -rw-r--r-- | net/ipv4/tcp_timer.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_timer.c b/net/ipv4/tcp_timer.c index f99e2d06ae7c..d45c96c7f5a4 100644 --- a/net/ipv4/tcp_timer.c +++ b/net/ipv4/tcp_timer.c @@ -714,7 +714,7 @@ static void tcp_keepalive_timer (struct timer_list *t) tcp_mstamp_refresh(tp); if (sk->sk_state == TCP_FIN_WAIT2 && sock_flag(sk, SOCK_DEAD)) { - if (tp->linger2 >= 0) { + if (READ_ONCE(tp->linger2) >= 0) { const int tmo = tcp_fin_time(sk) - TCP_TIMEWAIT_LEN; if (tmo > 0) { |