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Diffstat (limited to 'net/decnet')
-rw-r--r--net/decnet/dn_route.c10
1 files changed, 8 insertions, 2 deletions
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c
index b8a5c0515be8..5e636365d33c 100644
--- a/net/decnet/dn_route.c
+++ b/net/decnet/dn_route.c
@@ -111,6 +111,7 @@ static unsigned long dn_rt_deadline;
static int dn_dst_gc(struct dst_ops *ops);
static struct dst_entry *dn_dst_check(struct dst_entry *, __u32);
static unsigned int dn_dst_default_advmss(const struct dst_entry *dst);
+static unsigned int dn_dst_default_mtu(const struct dst_entry *dst);
static struct dst_entry *dn_dst_negative_advice(struct dst_entry *);
static void dn_dst_link_failure(struct sk_buff *);
static void dn_dst_update_pmtu(struct dst_entry *dst, u32 mtu);
@@ -131,6 +132,7 @@ static struct dst_ops dn_dst_ops = {
.gc = dn_dst_gc,
.check = dn_dst_check,
.default_advmss = dn_dst_default_advmss,
+ .default_mtu = dn_dst_default_mtu,
.negative_advice = dn_dst_negative_advice,
.link_failure = dn_dst_link_failure,
.update_pmtu = dn_dst_update_pmtu,
@@ -803,6 +805,11 @@ static unsigned int dn_dst_default_advmss(const struct dst_entry *dst)
return dn_mss_from_pmtu(dst->dev, dst_mtu(dst));
}
+static unsigned int dn_dst_default_mtu(const struct dst_entry *dst)
+{
+ return dst->dev->mtu;
+}
+
static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
{
struct dn_fib_info *fi = res->fi;
@@ -825,8 +832,7 @@ static int dn_rt_set_next_hop(struct dn_route *rt, struct dn_fib_res *res)
rt->dst.neighbour = n;
}
- if (dst_metric(&rt->dst, RTAX_MTU) == 0 ||
- dst_metric(&rt->dst, RTAX_MTU) > rt->dst.dev->mtu)
+ if (dst_metric(&rt->dst, RTAX_MTU) > rt->dst.dev->mtu)
dst_metric_set(&rt->dst, RTAX_MTU, rt->dst.dev->mtu);
metric = dst_metric_raw(&rt->dst, RTAX_ADVMSS);
if (metric) {