diff options
| author | Krishna Kumar <krkumar2@in.ibm.com> | 2009-12-10 07:16:52 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-12-23 14:13:28 -0800 |
| commit | afeca340c078e17ca233b3c68c3c3a70c56bfe1d (patch) | |
| tree | f7b308856bdd21f41ea61cf6b74cd28e50b0448f /net/ipv4/tcp.c | |
| parent | 12d50c46dc0f7fd2e625c4befaa5fa5740a7a594 (diff) | |
| download | blackbird-op-linux-afeca340c078e17ca233b3c68c3c3a70c56bfe1d.tar.gz blackbird-op-linux-afeca340c078e17ca233b3c68c3c3a70c56bfe1d.zip | |
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>
Diffstat (limited to 'net/ipv4/tcp.c')
| -rw-r--r-- | net/ipv4/tcp.c | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c index b0a26bb25e2e..8a3f05adb39b 100644 --- a/net/ipv4/tcp.c +++ b/net/ipv4/tcp.c @@ -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); } |
