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sctp: get sock from transport in sctp_transport_update_pmtu

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This patch is almost to revert commit 02f3d4ce9e ("sctp: Adjust PMTU
updates to accomodate route invalidation."). As t->asoc can't be NULL
in sctp_transport_update_pmtu, it could get sk from asoc, and no need
to pass sk into that function.

It is also to remove some duplicated codes from that function.

Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Xin Long
2017-04-04 13:39:55 +08:00
committed by David S. Miller
parent e90be21b1c
commit 3ebfdf0821
7 changed files with 22 additions and 28 deletions
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4
net/sctp/input.c
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@@ -401,10 +401,10 @@ void sctp_icmp_frag_needed(struct sock *sk, struct sctp_association *asoc,
if (t->param_flags & SPP_PMTUD_ENABLE) {
/* Update transports view of the MTU */
sctp_transport_update_pmtu(sk, t, pmtu);
sctp_transport_update_pmtu(t, pmtu);
/* Update association pmtu. */
sctp_assoc_sync_pmtu(sk, asoc);
sctp_assoc_sync_pmtu(asoc);
}
/* Retransmit with the new pmtu setting.