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tcp: Remove unrequired operations in tcp_push() 

Remove unrequired operations in tcp_push()

Changelog:
	Removed a temporary skb variable from tcp_push()

Signed-off-by: Krishna Kumar <krkumar2@in.ibm.com>
Acked-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Krishna Kumar 2009-12-10 07:16:52 +00:00 committed by David S. Miller
parent 12d50c46dc
commit afeca340c0
1 changed files with 6 additions and 7 deletions
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13
net/ipv4/tcp.c
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@ -536,8 +536,7 @@ static inline void skb_entail(struct sock *sk, struct sk_buff *skb)
tp->nonagle &= ~TCP_NAGLE_PUSH;
}
static inline void tcp_mark_urg(struct tcp_sock *tp, int flags,
struct sk_buff *skb)
static inline void tcp_mark_urg(struct tcp_sock *tp, int flags)
{
if (flags & MSG_OOB)
tp->snd_up = tp->write_seq;
@ -546,13 +545,13 @@ static inline void tcp_mark_urg(struct tcp_sock *tp, int flags,
static inline void tcp_push(struct sock *sk, int flags, int mss_now,
int nonagle)
{
struct tcp_sock *tp = tcp_sk(sk);
if (tcp_send_head(sk)) {
struct sk_buff *skb = tcp_write_queue_tail(sk);
struct tcp_sock *tp = tcp_sk(sk);
if (!(flags & MSG_MORE) || forced_push(tp))
tcp_mark_push(tp, skb);
tcp_mark_urg(tp, flags, skb);
tcp_mark_push(tp, tcp_write_queue_tail(sk));
tcp_mark_urg(tp, flags);
__tcp_push_pending_frames(sk, mss_now,
(flags & MSG_MORE) ? TCP_NAGLE_CORK : nonagle);
}