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tcp: drop unnecessary local var in collapse
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -1767,11 +1767,9 @@ static void tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
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struct tcp_sock *tp = tcp_sk(sk);
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struct sk_buff *next_skb = tcp_write_queue_next(sk, skb);
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int skb_size, next_skb_size;
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u16 flags;
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skb_size = skb->len;
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next_skb_size = next_skb->len;
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flags = TCP_SKB_CB(skb)->flags;
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BUG_ON(tcp_skb_pcount(skb) != 1 || tcp_skb_pcount(next_skb) != 1);
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@ -1791,9 +1789,8 @@ static void tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
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/* Update sequence range on original skb. */
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TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(next_skb)->end_seq;
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/* Merge over control information. */
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flags |= TCP_SKB_CB(next_skb)->flags; /* This moves PSH/FIN etc. over */
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TCP_SKB_CB(skb)->flags = flags;
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/* Merge over control information. This moves PSH/FIN etc. over */
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TCP_SKB_CB(skb)->flags |= TCP_SKB_CB(next_skb)->flags;
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/* All done, get rid of second SKB and account for it so
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* packet counting does not break.
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