[PATCH 14/16] ipv4: Kill dst_copy_metrics() call from ipv4_blackhole_route().
From: David Miller <davem@davemloft.net>
Date: 2012-07-10 15:07:53
Subsystem:
networking [general], networking [ipv4/ipv6], the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, David Ahern, Ido Schimmel, Linus Torvalds
Blackhole routes have a COW metrics operation that returns NULL always, therefore this dst_copy_metrics() call did absolutely nothing. Signed-off-by: David S. Miller <davem@davemloft.net> --- net/ipv4/route.c | 1 - 1 file changed, 1 deletion(-)
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index 1678b57..a967df5 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c@@ -2668,7 +2668,6 @@ struct dst_entry *ipv4_blackhole_route(struct net *net, struct dst_entry *dst_or new->__use = 1; new->input = dst_discard; new->output = dst_discard; - dst_copy_metrics(new, &ort->dst); new->dev = ort->dst.dev; if (new->dev)
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1.7.10.4