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net, ip_tunnel: fix namespaces move 

[ Upstream commit d0f4185160 ]

in the same manner as commit 690afc165b ("net: ip6_gre: fix moving
ip6gre between namespaces"), fix namespace moving as it was broken since
commit 2e15ea390e ("ip_gre: Add support to collect tunnel metadata.").
Indeed, the ip6_gre commit removed the local flag for collect_md
condition, so there is no reason to keep it for ip_gre/ip_tunnel.

this patch will fix both ip_tunnel and ip_gre modules.

Fixes: 2e15ea390e ("ip_gre: Add support to collect tunnel metadata.")
Signed-off-by: William Dauchy <w.dauchy@criteo.com>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
5.4-rM2-2.2.x-imx-squashed
William Dauchy 2020-01-21 15:26:24 +01:00 committed by Greg Kroah-Hartman
parent ead0377f60
commit 500869d718
1 changed files with 1 additions and 3 deletions
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4
net/ipv4/ip_tunnel.c
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@ -1236,10 +1236,8 @@ int ip_tunnel_init(struct net_device *dev)
iph->version = 4;
iph->ihl = 5;
if (tunnel->collect_md) {
dev->features |= NETIF_F_NETNS_LOCAL;
if (tunnel->collect_md)
netif_keep_dst(dev);
}
return 0;
}
EXPORT_SYMBOL_GPL(ip_tunnel_init);