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netfilter: nf_tables: fix nf_trace always-on with XT_TRACE=n

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When using nftables with CONFIG_NETFILTER_XT_TARGET_TRACE=n, we get
lots of "TRACE: filter:output:policy:1 IN=..." warnings as several
places will leave skb->nf_trace uninitialised.

Unlike iptables tracing functionality is not conditional in nftables,
so always copy/zero nf_trace setting when nftables is enabled.

Move this into __nf_copy() helper.

Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Florian Westphal
2014-02-15 23:48:45 +01:00
committed by Pablo Neira Ayuso
parent 2b7a79bae2
commit 478b360a47
4 changed files with 4 additions and 10 deletions
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3
net/ipv6/ip6_output.c
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@@ -517,9 +517,6 @@ static void ip6_copy_metadata(struct sk_buff *to, struct sk_buff *from)
to->tc_index = from->tc_index;
#endif
nf_copy(to, from);
#if IS_ENABLED(CONFIG_NETFILTER_XT_TARGET_TRACE)
to->nf_trace = from->nf_trace;
#endif
skb_copy_secmark(to, from);
}