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tcp: diag: add support for request sockets to tcp_abort()
Adding support for SYN_RECV request sockets to tcp_abort() is quite easy after our tcp listener rewrite. Note that we also need to better handle listeners, or we might leak not yet accepted children, because of a missing inet_csk_listen_stop() call. Signed-off-by: Eric Dumazet <edumazet@google.com> Cc: Lorenzo Colitti <lorenzo@google.com> Tested-by: Lorenzo Colitti <lorenzo@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -3083,6 +3083,15 @@ EXPORT_SYMBOL_GPL(tcp_done);
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int tcp_abort(struct sock *sk, int err)
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{
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if (!sk_fullsock(sk)) {
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if (sk->sk_state == TCP_NEW_SYN_RECV) {
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struct request_sock *req = inet_reqsk(sk);
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local_bh_disable();
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inet_csk_reqsk_queue_drop_and_put(req->rsk_listener,
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req);
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local_bh_enable();
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return 0;
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}
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sock_gen_put(sk);
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return -EOPNOTSUPP;
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}
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