net: orphan frags on receive
zero copy packets are normally sent to the outside network, but bridging, tun etc might loop them back to host networking stack. If this happens destructors will never be called, so orphan the frags immediately on receive. Signed-off-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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