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Commit 9cfd0860 authored by Eric Dumazet's avatar Eric Dumazet Committed by David S. Miller
Browse files

tcp: remove BUG_ON() in tcp_check_req() 



Once listener is lockless, its sk_state can change anytime.

Signed-off-by: default avatarEric Dumazet <edumazet@google.com>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent ba8e275a

net/ipv4/tcp_minisocks.c

+0 −2
Original line number Diff line number Diff line
@@ -578,8 +578,6 @@ struct sock *tcp_check_req(struct sock *sk, struct sk_buff *skb, 
	__be32 flg = tcp_flag_word(th) & (TCP_FLAG_RST|TCP_FLAG_SYN|TCP_FLAG_ACK);

	bool paws_reject = false;



	BUG_ON(fastopen == (sk->sk_state == TCP_LISTEN));



	tmp_opt.saw_tstamp = 0;

	if (th->doff > (sizeof(struct tcphdr)>>2)) {

		tcp_parse_options(skb, &tmp_opt, 0, NULL);