tcp: kill eff_sacks "cache", the sole user can calculate itself

Also fixes insignificant bug that would cause sending of stale
SACK block (would occur in some corner cases).

Signed-off-by: Ilpo Järvinen <ilpo.jarvinen@helsinki.fi>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 0 insertions, 1 deletions

diff --git a/include/net/tcp.h b/include/net/tcp.h
index 0366a559afec..055e4946d4c8 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -926,7 +926,6 @@ extern void tcp_done(struct sock *sk);
 static inline void tcp_sack_reset(struct tcp_options_received *rx_opt)
 {
         rx_opt->dsack = 0;
-        rx_opt->eff_sacks = 0;
         rx_opt->num_sacks = 0;
 }