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@@ -1421,15 +1421,11 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
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if (sk_acceptq_is_full(sk))
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goto exit_overflow;
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- if (!dst && (dst = inet_csk_route_req(sk, req)) == NULL)
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- goto exit;
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-
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newsk = tcp_create_openreq_child(sk, req, skb);
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if (!newsk)
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goto exit_nonewsk;
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newsk->sk_gso_type = SKB_GSO_TCPV4;
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- sk_setup_caps(newsk, dst);
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newtp = tcp_sk(newsk);
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newinet = inet_sk(newsk);
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@@ -1447,6 +1443,11 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
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inet_csk(newsk)->icsk_ext_hdr_len = inet_opt->opt.optlen;
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newinet->inet_id = newtp->write_seq ^ jiffies;
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+ if (!dst && (dst = inet_csk_route_child_sock(sk, newsk, req)) == NULL)
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+ goto put_and_exit;
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+
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+ sk_setup_caps(newsk, dst);
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+
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tcp_mtup_init(newsk);
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tcp_sync_mss(newsk, dst_mtu(dst));
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newtp->advmss = dst_metric_advmss(dst);
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@@ -1474,10 +1475,8 @@ struct sock *tcp_v4_syn_recv_sock(struct sock *sk, struct sk_buff *skb,
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}
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#endif
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- if (__inet_inherit_port(sk, newsk) < 0) {
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- sock_put(newsk);
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- goto exit;
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- }
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+ if (__inet_inherit_port(sk, newsk) < 0)
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+ goto put_and_exit;
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__inet_hash_nolisten(newsk, NULL);
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return newsk;
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@@ -1489,6 +1488,9 @@ exit_nonewsk:
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exit:
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NET_INC_STATS_BH(sock_net(sk), LINUX_MIB_LISTENDROPS);
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return NULL;
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+put_and_exit:
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+ sock_put(newsk);
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+ goto exit;
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}
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EXPORT_SYMBOL(tcp_v4_syn_recv_sock);
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