sctp: reset probe_timer in sctp_transport_pl_update

sctp_transport_pl_update() is called when transport update its dst and
pathmtu, instead of stopping the PLPMTUD probe timer, PLPMTUD should
start over and reset the probe timer. Otherwise, the PLPMTUD service
would stop.

Fixes: 92548ec2f1 ("sctp: add the probe timer in transport for PLPMTUD")
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long 2021-10-28 05:36:02 -04:00 committed by David S. Miller
parent 40171248bb
commit c6ea04ea69

View file

@ -653,12 +653,10 @@ static inline void sctp_transport_pl_update(struct sctp_transport *t)
if (t->pl.state == SCTP_PL_DISABLED)
return;
if (del_timer(&t->probe_timer))
sctp_transport_put(t);
t->pl.state = SCTP_PL_BASE;
t->pl.pmtu = SCTP_BASE_PLPMTU;
t->pl.probe_size = SCTP_BASE_PLPMTU;
sctp_transport_reset_probe_timer(t);
}
static inline bool sctp_transport_pl_enabled(struct sctp_transport *t)