net: Don't report route RTT metric value in cache dumps.

We don't maintain it dynamically any longer, so reporting it would
be extremely misleading.  Report zero instead.
Signed-off-by: David S. Miller <davem@davemloft.net>

net/decnet/dn_route.c

@@ -1816,8 +1816,7 @@ static int dn_rt_cache_seq_show(struct seq_file *seq, void *v)
 		   dn_addr2asc(le16_to_cpu(rt->rt_daddr), buf1),
 		   dn_addr2asc(le16_to_cpu(rt->rt_saddr), buf2),
 		   atomic_read(&rt->dst.__refcnt),
-			rt->dst.__use,
-			(int) dst_metric(&rt->dst, RTAX_RTT));
+		   rt->dst.__use, 0);
 	return 0;
 }
 

net/ipv4/route.c

@@ -430,9 +430,7 @@ static int rt_cache_seq_show(struct seq_file *seq, void *v)
 			   r->rt_flags, atomic_read(&r->dst.__refcnt),
 			   r->dst.__use, 0, (__force u32)r->rt_src,
 			   dst_metric_advmss(&r->dst) + 40,
-			dst_metric(&r->dst, RTAX_WINDOW),
-			(int)((dst_metric(&r->dst, RTAX_RTT) >> 3) +
-			      dst_metric(&r->dst, RTAX_RTTVAR)),
+			   dst_metric(&r->dst, RTAX_WINDOW), 0,
 			   r->rt_key_tos,
 			   -1, 0, 0, &len);