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>
diff --git a/net/ipv4/tcp.c b/net/ipv4/tcp.c
index b0a26bb..8a3f05a 100644
--- a/net/ipv4/tcp.c
+++ b/net/ipv4/tcp.c
@@ -536,8 +536,7 @@
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_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);
}