[TCP]: Remove TCPCB_URG & TCPCB_AT_TAIL as unnecessary
The snd_up check should be enough. I suspect this has been
there to provide a minor optimization in clean_rtx_queue which
used to have a small if (!->sacked) block which could skip
snd_up check among the other work.
Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7bac1fa..1e7fd81 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2821,8 +2821,7 @@
if (sacked & TCPCB_LOST)
tp->lost_out -= acked_pcount;
- if (unlikely((sacked & TCPCB_URG) && tp->urg_mode &&
- !before(end_seq, tp->snd_up)))
+ if (unlikely(tp->urg_mode && !before(end_seq, tp->snd_up)))
tp->urg_mode = 0;
tp->packets_out -= acked_pcount;