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/linux/tcp.h b/include/linux/tcp.h
index 0cd99e6baca5..4b86ad71e054 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -218,7 +218,6 @@ struct tcp_options_received {
                 snd_wscale : 4, /* Window scaling received from sender  */
                 rcv_wscale : 4; /* Window scaling to send to receiver   */
 /*      SACKs data      */
-        u8      eff_sacks;      /* Size of SACK array to send with next packet */
         u8      num_sacks;      /* Number of SACK blocks                */
         u16     user_mss;       /* mss requested by user in ioctl */
         u16     mss_clamp;      /* Maximal mss, negotiated at connection setup */