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-rw-r--r--include/net/sctp/sctp.h9
-rw-r--r--net/sctp/associola.c6
-rw-r--r--net/sctp/transport.c6
3 files changed, 12 insertions, 9 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index e327acad8e7d..4965cbfa7d92 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -600,10 +600,15 @@ static inline __u32 sctp_mtu_payload(const struct sctp_sock *sp,
return mtu ? mtu - overhead : overhead;
}
+static inline __u32 sctp_dst_mtu(const struct dst_entry *dst)
+{
+ return SCTP_TRUNC4(max_t(__u32, dst_mtu(dst),
+ SCTP_DEFAULT_MINSEGMENT));
+}
+
static inline bool sctp_transport_pmtu_check(struct sctp_transport *t)
{
- __u32 pmtu = max_t(size_t, SCTP_TRUNC4(dst_mtu(t->dst)),
- SCTP_DEFAULT_MINSEGMENT);
+ __u32 pmtu = sctp_dst_mtu(t->dst);
if (t->pathmtu == pmtu)
return true;
diff --git a/net/sctp/associola.c b/net/sctp/associola.c
index a29025418b96..039fdb862b17 100644
--- a/net/sctp/associola.c
+++ b/net/sctp/associola.c
@@ -1405,11 +1405,9 @@ void sctp_assoc_sync_pmtu(struct sctp_association *asoc)
return;
/* Get the lowest pmtu of all the transports. */
- list_for_each_entry(t, &asoc->peer.transport_addr_list,
- transports) {
+ list_for_each_entry(t, &asoc->peer.transport_addr_list, transports) {
if (t->pmtu_pending && t->dst) {
- sctp_transport_update_pmtu(
- t, SCTP_TRUNC4(dst_mtu(t->dst)));
+ sctp_transport_update_pmtu(t, sctp_dst_mtu(t->dst));
t->pmtu_pending = 0;
}
if (!pmtu || (t->pathmtu < pmtu))
diff --git a/net/sctp/transport.c b/net/sctp/transport.c
index c5fc3aed08a1..ed73a9d91b83 100644
--- a/net/sctp/transport.c
+++ b/net/sctp/transport.c
@@ -242,9 +242,9 @@ void sctp_transport_pmtu(struct sctp_transport *transport, struct sock *sk)
&transport->fl, sk);
}
- if (transport->dst) {
- transport->pathmtu = SCTP_TRUNC4(dst_mtu(transport->dst));
- } else
+ if (transport->dst)
+ transport->pathmtu = sctp_dst_mtu(transport->dst);
+ else
transport->pathmtu = SCTP_DEFAULT_MAXSEGMENT;
}