ipv6: avoid a dst_entry refcount change in ipv6_destopt_rcv()
ipv6_destopt_rcv() runs with rcu_read_lock(), so there is no need to take a temporay reference on dst_entry, even if skb is freed by ip6_parse_tlv() Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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