diff options
| author | Eric Dumazet <edumazet@google.com> | 2023-08-04 14:46:15 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-08-06 08:24:55 +0100 |
| commit | a81722ddd7e4d76c9bbff078d29416e18c6d7f71 (patch) | |
| tree | 83bf415b9788593c662c6fb41522bfaddbdf8ac9 /net/ipv4/tcp_input.c | |
| parent | 84485080cbc1e5a011e7549966739df4cec158b1 (diff) | |
tcp: set TCP_LINGER2 locklessly
tp->linger2 can be set locklessly as long as readers
use READ_ONCE().
Signed-off-by: Eric Dumazet <edumazet@google.com>
Acked-by: Soheil Hassas Yeganeh <soheil@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv4/tcp_input.c')
| -rw-r--r-- | net/ipv4/tcp_input.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c index 2995802126e4..deac708250e6 100644 --- a/net/ipv4/tcp_input.c +++ b/net/ipv4/tcp_input.c @@ -6624,7 +6624,7 @@ int tcp_rcv_state_process(struct sock *sk, struct sk_buff *skb) break; } - if (tp->linger2 < 0) { + if (READ_ONCE(tp->linger2) < 0) { tcp_done(sk); NET_INC_STATS(sock_net(sk), LINUX_MIB_TCPABORTONDATA); return 1; |