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-rw-r--r--net/sctp/output.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/net/sctp/output.c b/net/sctp/output.c
index 88dfa6ae1fb4..b0e74a3e77ec 100644
--- a/net/sctp/output.c
+++ b/net/sctp/output.c
@@ -118,6 +118,9 @@ void sctp_packet_config(struct sctp_packet *packet, __u32 vtag,
sctp_transport_route(tp, NULL, sp);
if (asoc->param_flags & SPP_PMTUD_ENABLE)
sctp_assoc_sync_pmtu(asoc);
+ } else if (!sctp_transport_pmtu_check(tp)) {
+ if (asoc->param_flags & SPP_PMTUD_ENABLE)
+ sctp_assoc_sync_pmtu(asoc);
}
if (asoc->pmtu_pending) {