diff options
Diffstat (limited to 'net/socket.c')
| -rw-r--r-- | net/socket.c | 23 |
1 files changed, 14 insertions, 9 deletions
diff --git a/net/socket.c b/net/socket.c index fd0714e10ced..fcbdd5bc47ac 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1870,23 +1870,28 @@ SYSCALL_DEFINE3(bind, int, fd, struct sockaddr __user *, umyaddr, int, addrlen) * necessary for a listen, and if that works, we mark the socket as * ready for listening. */ +int __sys_listen_socket(struct socket *sock, int backlog) +{ + int somaxconn, err; + + somaxconn = READ_ONCE(sock_net(sock->sk)->core.sysctl_somaxconn); + if ((unsigned int)backlog > somaxconn) + backlog = somaxconn; + + err = security_socket_listen(sock, backlog); + if (!err) + err = READ_ONCE(sock->ops)->listen(sock, backlog); + return err; +} int __sys_listen(int fd, int backlog) { struct socket *sock; int err, fput_needed; - int somaxconn; sock = sockfd_lookup_light(fd, &err, &fput_needed); if (sock) { - somaxconn = READ_ONCE(sock_net(sock->sk)->core.sysctl_somaxconn); - if ((unsigned int)backlog > somaxconn) - backlog = somaxconn; - - err = security_socket_listen(sock, backlog); - if (!err) - err = READ_ONCE(sock->ops)->listen(sock, backlog); - + err = __sys_listen_socket(sock, backlog); fput_light(sock->file, fput_needed); } return err; |