Eric Dumazet
39fba7835a
kaweth: use skb_cow_head() to deal with cloned skbs
...
We can use skb_cow_head() to properly deal with clones,
especially the ones coming from TCP stack that allow their head being
modified. This avoids a copy.
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Hughes <james.hughes@raspberrypi.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-04-21 13:24:06 -04:00
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