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authorwangweidong <wangweidong1@huawei.com>2013-12-04 17:32:39 +0800
committerDavid S. Miller <davem@davemloft.net>2013-12-05 20:55:54 -0500
commit78ac814f120da17053b3d52aa215c7c547c5e77d (patch)
treec76badb03e31a435f95538416bbb60cffbf37435
parentdd0df47dc3548bf2dfdc7b4d65f49b452a9d9701 (diff)
downloadlinux-78ac814f120da17053b3d52aa215c7c547c5e77d.tar.bz2
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>
-rw-r--r--net/sctp/transport.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index e332efb124cc..efc46ffed1fd 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -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);