[TCP]: Add missing I/O AT code to ipv6 side.
Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1732,6 +1732,8 @@ process:
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if (!sock_owned_by_user(sk)) {
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#ifdef CONFIG_NET_DMA
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struct tcp_sock *tp = tcp_sk(sk);
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if (!tp->ucopy.dma_chan && tp->ucopy.pinned_list)
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tp->ucopy.dma_chan = get_softnet_dma();
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if (tp->ucopy.dma_chan)
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ret = tcp_v6_do_rcv(sk, skb);
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else
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