From: Linus Lüssing <linus.luess...@c0d3.blue>
Date: Tue, 14 Apr 2015 08:37:42 +0200
> +int skb_checksum_trimmed(struct sk_buff *skb, unsigned int transport_len,
> + __sum16(*skb_check_func)(struct sk_buff *skb),
> + struct sk_buff **skb_trimmed)
> +{
This is a really terrible interface.
It is designed in such a way that it is completely ambiguous who is
resonsible for managing the lifetimes of 'skb' and 'skb_trimmed'.
I would suggest changing this such that:
1) If you clone successfully, 'skb' is released.
2) whatever SKB ends up being used is returned as an error pointer.
3) The caller is responsible for freeing or grabbing a reference
to the skb returned.
Also, this is taking too long to finalize and we are past the openning
of the merge window so you will have to submit a fixed up version when
the net-next tree opens up for submissions as it is very strongly
closed right now.
Thanks.
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