git: tcp/sack: Guard against ACK reordering when adding SACK blocks

[Sepherosa Ziehau]

commit 331721f5c85bb66dbd6e3f67c09e6442584e07d5
Author: Sepherosa Ziehau <sephe at dragonflybsd.org>
Date:   Tue May 8 13:56:07 2012 +0800

    tcp/sack: Guard against ACK reordering when adding SACK blocks
    
    The reordered ACK could carry SACK blocks which are all covered by
    tcpcb.snd_una

Summary of changes:
 sys/netinet/tcp_sack.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/331721f5c85bb66dbd6e3f67c09e6442584e07d5


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