[TCP]: Remove local variable and use packets_in_flight directly (d67c58e9) · Commits · 戴 / test

Lines won't be that long and it's compiler's job to optimize them. Signed-off-by:

net/ipv4/tcp_output.c

+3 −6

Original line number	Diff line number	Diff line
		@@ -1293,7 +1293,6 @@ static int tcp_mtu_probe(struct sock *sk)
		int len;
		int probe_size;
		int size_needed;
		unsigned int pif;
		int copy;
		int mss_now;

		@@ -1326,11 +1325,9 @@ static int tcp_mtu_probe(struct sock *sk)
		if (after(tp->snd_nxt + size_needed, tp->snd_una + tp->snd_wnd))
		return 0;

		/* Do we need to wait to drain cwnd? */
		pif = tcp_packets_in_flight(tp);
		if (pif + 2 > tp->snd_cwnd) {
		/* With no packets in flight, don't stall. */
		if (pif == 0)
		/* Do we need to wait to drain cwnd? With none in flight, don't stall */
		if (tcp_packets_in_flight(tp) + 2 > tp->snd_cwnd) {
		if (!tcp_packets_in_flight(tp))
		return -1;
		else
		return 0;