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vti4: Don't override MTU passed on link creation via IFLA_MTU
[ Upstream commit03080e5ec7
] Don't hardcode a MTU value on vti tunnel initialization, ip_tunnel_newlink() is able to deal with this already. See also commitffc2b6ee41
("ip_gre: fix IFLA_MTU ignored on NEWLINK"). Fixes:1181412c1a
("net/ipv4: VTI support new module for ip_vti.") Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Acked-by: Sabrina Dubroca <sd@queasysnail.net> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: Sasha Levin <alexander.levin@microsoft.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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@ -396,7 +396,6 @@ static int vti_tunnel_init(struct net_device *dev)
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memcpy(dev->dev_addr, &iph->saddr, 4);
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memcpy(dev->broadcast, &iph->daddr, 4);
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dev->mtu = ETH_DATA_LEN;
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dev->flags = IFF_NOARP;
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dev->addr_len = 4;
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dev->features |= NETIF_F_LLTX;
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