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sctp: disable max_burst when the max_burst is 0 

As Michael pointed out that when max_burst is 0, it just disable
max_burst. It declared in rfc6458#section-8.1.24. so add the check
in sctp_transport_burst_limited, when it 0, just do nothing.

Reviewed-by: Daniel Borkmann <dborkman@redhat.com>
Suggested-by: Vlad Yasevich <vyasevich@gmail.com>
Suggested-by: Michael Tuexen <Michael.Tuexen@lurchi.franken.de>
Signed-off-by: Wang Weidong <wangweidong1@huawei.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Acked-by: Vlad Yasevich <vyasevich@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
wangweidong 2013-12-04 17:32:39 +08:00 committed by David S. Miller
parent dd0df47dc3
commit 78ac814f12
1 changed files with 1 additions and 1 deletions
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2
net/sctp/transport.c
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@ -573,7 +573,7 @@ void sctp_transport_burst_limited(struct sctp_transport *t)
u32 old_cwnd = t->cwnd;
u32 max_burst_bytes;
if (t->burst_limited)
if (t->burst_limited || asoc->max_burst == 0)
return;
max_burst_bytes = t->flight_size + (asoc->max_burst * asoc->pathmtu);