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-rw-r--r--include/net/sctp/sctp.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/net/sctp/sctp.h b/include/net/sctp/sctp.h
index 6ee44b2..a2ef814 100644
--- a/include/net/sctp/sctp.h
+++ b/include/net/sctp/sctp.h
@@ -704,4 +704,17 @@ static inline void sctp_v4_map_v6(union sctp_addr *addr)
addr->v6.sin6_addr.s6_addr32[2] = htonl(0x0000ffff);
}
+/* The cookie is always 0 since this is how it's used in the
+ * pmtu code.
+ */
+static inline struct dst_entry *sctp_transport_dst_check(struct sctp_transport *t)
+{
+ if (t->dst && !dst_check(t->dst, 0)) {
+ dst_release(t->dst);
+ t->dst = NULL;
+ }
+
+ return t->dst;
+}
+
#endif /* __net_sctp_h__ */
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