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由 Florian Westphal 提交于
instead of returning -1 on error, return an error number to allow the caller to handle some errors differently. ECANCELED is used to indicate that the hook is going away and should be ignored. A followup patch will introduce more 'ignore this hook' conditions, (depending on queue settings) and will move kfree_skb responsibility to the caller. Signed-off-by: NFlorian Westphal <fw@strlen.de> Signed-off-by: NPatrick McHardy <kaber@trash.net>
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