[NETFILTER]: nf_queue: check if rerouter is present before using it
Every rerouter needs to provide a save and a reroute function, we don't need to check for them. But we do need to check if a rerouter is registered at all for the current family, with bridging for example packets of unregistered families can hit nf_queue. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
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@ -155,13 +155,13 @@ int nf_queue(struct sk_buff **skb,
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if (physoutdev) dev_hold(physoutdev);
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}
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#endif
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if (queue_rerouter[pf]->save)
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if (queue_rerouter[pf])
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queue_rerouter[pf]->save(*skb, info);
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status = queue_handler[pf]->outfn(*skb, info, queuenum,
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queue_handler[pf]->data);
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if (status >= 0 && queue_rerouter[pf]->reroute)
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if (status >= 0 && queue_rerouter[pf])
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status = queue_rerouter[pf]->reroute(skb, info);
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read_unlock(&queue_handler_lock);
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