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sctp: move transport pathmtu calc away of sctp_assoc_add_peer

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There was only one case that sctp_assoc_add_peer couldn't handle, which
is when SPP_PMTUD_DISABLE is set and pathmtu not initialized.
So add this situation to sctp_transport_route and reuse what was
already in there.

Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Marcelo Ricardo Leitner
2018-04-26 16:58:51 -03:00
committed by David S. Miller
parent c45698f896
commit 800e00c127
2 changed files with 7 additions and 10 deletions
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9
net/sctp/associola.c
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@@ -652,15 +652,8 @@ struct sctp_transport *sctp_assoc_add_peer(struct sctp_association *asoc,
*/
peer->param_flags = asoc->param_flags;
sctp_transport_route(peer, NULL, sp);
/* Initialize the pmtu of the transport. */
if (peer->param_flags & SPP_PMTUD_DISABLE) {
if (asoc->pathmtu)
peer->pathmtu = asoc->pathmtu;
else
peer->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}
sctp_transport_route(peer, NULL, sp);
/* If this is the first transport addr on this association,
* initialize the association PMTU to the peer's PMTU.