From 8d7017fd621d02ff0d47d19484350c2356828483 Mon Sep 17 00:00:00 2001
From: Mahesh Bandewar <maheshb@google.com>
Date: Mon, 1 Jul 2019 14:38:57 -0700
Subject: blackhole_netdev: use blackhole_netdev to invalidate dst entries

Use blackhole_netdev instead of 'lo' device with lower MTU when marking
dst "dead".

Signed-off-by: Mahesh Bandewar <maheshb@google.com>
Tested-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
 net/core/dst.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'net/core/dst.c')

diff --git a/net/core/dst.c b/net/core/dst.c
index e46366228eaf..1325316d9eab 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -160,7 +160,7 @@ void dst_dev_put(struct dst_entry *dst)
 		dst->ops->ifdown(dst, dev, true);
 	dst->input = dst_discard;
 	dst->output = dst_discard_out;
-	dst->dev = dev_net(dst->dev)->loopback_dev;
+	dst->dev = blackhole_netdev;
 	dev_hold(dst->dev);
 	dev_put(dev);
 }
-- 
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