ipv6: optimise dst refcounting on skb init
__ip6_make_skb() gets a cork->dst ref, hands it over to skb and shortly after puts cork->dst. Save two atomics by stealing it without extra referencing, ip6_cork_release() handles NULL cork->dst. Signed-off-by:Pavel Begunkov <asml.silence@gmail.com> Reviewed-by:
Willem de Bruijn <willemb@google.com> Signed-off-by:
Jakub Kicinski <kuba@kernel.org>
parent
d344e553
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