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Commit afeca340 authored by Krishna Kumar's avatar Krishna Kumar Committed by David S. Miller
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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: default avatarKrishna Kumar <krkumar2@in.ibm.com>
Acked-by: default avatarIlpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 12d50c46

net/ipv4/tcp.c

+6 −7
Original line number Diff line number Diff line
@@ -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)

{

	if (tcp_send_head(sk)) {

		struct tcp_sock *tp = tcp_sk(sk);



	if (tcp_send_head(sk)) {

		struct sk_buff *skb = tcp_write_queue_tail(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);

	}