diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/ipv4/af_inet.c | 38 |
1 files changed, 22 insertions, 16 deletions
diff --git a/net/ipv4/af_inet.c b/net/ipv4/af_inet.c index 2fd23437c1d2..c59da65f19d2 100644 --- a/net/ipv4/af_inet.c +++ b/net/ipv4/af_inet.c @@ -187,24 +187,13 @@ static int inet_autobind(struct sock *sk) return 0; } -/* - * Move a socket into listening state. - */ -int inet_listen(struct socket *sock, int backlog) +int __inet_listen_sk(struct sock *sk, int backlog) { - struct sock *sk = sock->sk; - unsigned char old_state; + unsigned char old_state = sk->sk_state; int err, tcp_fastopen; - lock_sock(sk); - - err = -EINVAL; - if (sock->state != SS_UNCONNECTED || sock->type != SOCK_STREAM) - goto out; - - old_state = sk->sk_state; if (!((1 << old_state) & (TCPF_CLOSE | TCPF_LISTEN))) - goto out; + return -EINVAL; WRITE_ONCE(sk->sk_max_ack_backlog, backlog); /* Really, if the socket is already in listen state @@ -227,10 +216,27 @@ int inet_listen(struct socket *sock, int backlog) err = inet_csk_listen_start(sk); if (err) - goto out; + return err; + tcp_call_bpf(sk, BPF_SOCK_OPS_TCP_LISTEN_CB, 0, NULL); } - err = 0; + return 0; +} + +/* + * Move a socket into listening state. + */ +int inet_listen(struct socket *sock, int backlog) +{ + struct sock *sk = sock->sk; + int err = -EINVAL; + + lock_sock(sk); + + if (sock->state != SS_UNCONNECTED || sock->type != SOCK_STREAM) + goto out; + + err = __inet_listen_sk(sk, backlog); out: release_sock(sk); |