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Fix for a bug where the "nexthole" sack hint is out of sync with the

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real next hole to retransmit from the scoreboard, caused by a bug
which did not update the "nexthole" hint in one case in
tcp_sack_option().

Reported by:    Daniel Eriksson
Submitted by:   Mohan Srinivasan
This commit is contained in:
ps 2005-05-13 18:02:02 +00:00
parent f96b51e1fa
commit 861ed0532c
1 changed files with 2 additions and 0 deletions
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2
sys/netinet/tcp_sack.c
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@ -452,6 +452,8 @@ tcp_sack_option(struct tcpcb *tp, struct tcphdr *th, u_char *cp, int optlen)
tp->snd_numholes++;
tcp_sack_globalholes++;
TAILQ_INSERT_TAIL(&tp->snd_holes, temp, scblink);
if (tp->sackhint.nexthole == NULL)
tp->sackhint.nexthole = temp;
}
if (SEQ_LT(tp->rcv_lastsack, sack.end))
tp->rcv_lastsack = sack.end;