[TCP]: Remove local variable and use packets_in_flight directly
Lines won't be that long and it's compiler's job to optimize
them.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index c2aa468..b41176f 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1293,7 +1293,6 @@
int len;
int probe_size;
int size_needed;
- unsigned int pif;
int copy;
int mss_now;
@@ -1326,11 +1325,9 @@
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;