tcp: remove BUG_ON() in tcp_check_req()
Once listener is lockless, its sk_state can change anytime. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -512,8 +512,6 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb,
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__be32 flg = tcp_flag_word(th) & (TCP_FLAG_RST|TCP_FLAG_SYN|TCP_FLAG_ACK);
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__be32 flg = tcp_flag_word(th) & (TCP_FLAG_RST|TCP_FLAG_SYN|TCP_FLAG_ACK);
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bool paws_reject = false;
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bool paws_reject = false;
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BUG_ON(fastopen == (sk->sk_state == TCP_LISTEN));
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tmp_opt.saw_tstamp = 0;
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tmp_opt.saw_tstamp = 0;
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if (th->doff > (sizeof(struct tcphdr)>>2)) {
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if (th->doff > (sizeof(struct tcphdr)>>2)) {
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tcp_parse_options(skb, &tmp_opt, 0, NULL);
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tcp_parse_options(skb, &tmp_opt, 0, NULL);
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