vrf: check forwarding on the original netdevice when generating ICMP dest unreachable
When ip_error() is called the device is the l3mdev master instead of the original device. So the forwarding check should be on the original one. Changes from v2: - Handle the original device disappearing (per David Ahern) - Minimize the change in code order Changes from v1: - Only need to reset the device on which __in_dev_get_rcu() is done (per David Ahern). Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com> Acked-by: David Ahern <dsahern@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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