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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>
This commit is contained in:
Ilpo Järvinen 2009-02-28 04:44:35 +00:00 committed by David S. Miller
parent bc079e9ede
commit e6c7d08579
1 changed files with 2 additions and 5 deletions
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7
net/ipv4/tcp_output.c
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@ -1767,11 +1767,9 @@ static void tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
struct tcp_sock *tp = tcp_sk(sk);
struct sk_buff *next_skb = tcp_write_queue_next(sk, skb);
int skb_size, next_skb_size;
u16 flags;
skb_size = skb->len;
next_skb_size = next_skb->len;
flags = TCP_SKB_CB(skb)->flags;
BUG_ON(tcp_skb_pcount(skb) != 1 || tcp_skb_pcount(next_skb) != 1);
@ -1791,9 +1789,8 @@ static void tcp_collapse_retrans(struct sock *sk, struct sk_buff *skb)
/* Update sequence range on original skb. */
TCP_SKB_CB(skb)->end_seq = TCP_SKB_CB(next_skb)->end_seq;
/* Merge over control information. */
flags |= TCP_SKB_CB(next_skb)->flags; /* This moves PSH/FIN etc. over */
TCP_SKB_CB(skb)->flags = flags;
/* Merge over control information. This moves PSH/FIN etc. over */
TCP_SKB_CB(skb)->flags |= TCP_SKB_CB(next_skb)->flags;
/* All done, get rid of second SKB and account for it so
* packet counting does not break.