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H A Dudp.cdiff 3bdefdf9d9c2a972085742578b08d99f14c09555 Thu Aug 03 18:07:08 CEST 2017 Paolo Abeni <pabeni@redhat.com> udp: no need to preserve skb->dst

__ip_options_echo() does not need anymore skb->dst, so we can
avoid explicitly preserving it for its own sake.

This is almost a revert of commit 0ddf3fb2c43d ("udp: preserve
skb->dst if required for IP options processing") plus some
lifting to fit later changes.

Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>