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Date: Tue, 10 Oct 2017 21:50:44 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Xin Long <lucien.xin@...il.com>,
"David S. Miller" <davem@...emloft.net>
Subject: [PATCH 4.9 073/105] ip6_gre: ip6gre_tap device should keep dst
4.9-stable review patch. If anyone has any objections, please let me know.
------------------
From: Xin Long <lucien.xin@...il.com>
[ Upstream commit 2d40557cc702ed8e5edd9bd422233f86652d932e ]
The patch 'ip_gre: ipgre_tap device should keep dst' fixed
a issue that ipgre_tap mtu couldn't be updated in tx path.
The same fix is needed for ip6gre_tap as well.
Signed-off-by: Xin Long <lucien.xin@...il.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
net/ipv6/ip6_gre.c | 1 +
1 file changed, 1 insertion(+)
--- a/net/ipv6/ip6_gre.c
+++ b/net/ipv6/ip6_gre.c
@@ -1298,6 +1298,7 @@ static void ip6gre_tap_setup(struct net_
dev->features |= NETIF_F_NETNS_LOCAL;
dev->priv_flags &= ~IFF_TX_SKB_SHARING;
dev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
+ netif_keep_dst(dev);
}
static bool ip6gre_netlink_encap_parms(struct nlattr *data[],
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