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tcp: tcp_data_queue() cleanup

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Commit c13ee2a4f0 ("tcp: reindent two spots after prequeue removal")
removed code in tcp_data_queue().

We can go a little farther, removing an always true test,
and removing initializers for fragstolen and eaten variables.

Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Eric Dumazet 2017-08-01 07:02:44 -07:00 committed by David S. Miller
parent aa6c16c43b
commit 5357f0bd4e
1 changed files with 7 additions and 8 deletions
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15
net/ipv4/tcp_input.c
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@ -4564,8 +4564,8 @@ err:
static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
{
struct tcp_sock *tp = tcp_sk(sk);
bool fragstolen = false;
int eaten = -1;
bool fragstolen;
int eaten;
if (TCP_SKB_CB(skb)->seq == TCP_SKB_CB(skb)->end_seq) {
__kfree_skb(skb);
@ -4588,12 +4588,11 @@ static void tcp_data_queue(struct sock *sk, struct sk_buff *skb)
/* Ok. In sequence. In window. */
queue_and_out:
if (eaten < 0) {
if (skb_queue_len(&sk->sk_receive_queue) == 0)
sk_forced_mem_schedule(sk, skb->truesize);
else if (tcp_try_rmem_schedule(sk, skb, skb->truesize))
goto drop;
}
if (skb_queue_len(&sk->sk_receive_queue) == 0)
sk_forced_mem_schedule(sk, skb->truesize);
else if (tcp_try_rmem_schedule(sk, skb, skb->truesize))
goto drop;
eaten = tcp_queue_rcv(sk, skb, 0, &fragstolen);
tcp_rcv_nxt_update(tp, TCP_SKB_CB(skb)->end_seq);
if (skb->len)