Commit aef96193 authored by Jozsef Kadlecsik's avatar Jozsef Kadlecsik
Browse files

netfilter: ipset: send nonzero skbinfo extensions only



Do not send zero valued skbinfo extensions to userspace at listing.
Signed-off-by: default avatarJozsef Kadlecsik <kadlec@blackhole.kfki.hu>
parent 76cea410
......@@ -335,13 +335,17 @@ ip_set_get_skbinfo(struct ip_set_skbinfo *skbinfo,
static inline bool
ip_set_put_skbinfo(struct sk_buff *skb, struct ip_set_skbinfo *skbinfo)
{
return nla_put_net64(skb, IPSET_ATTR_SKBMARK,
cpu_to_be64((u64)skbinfo->skbmark << 32 |
skbinfo->skbmarkmask)) ||
nla_put_net32(skb, IPSET_ATTR_SKBPRIO,
cpu_to_be32(skbinfo->skbprio)) ||
nla_put_net16(skb, IPSET_ATTR_SKBQUEUE,
cpu_to_be16(skbinfo->skbqueue));
/* Send nonzero parameters only */
return ((skbinfo->skbmark || skbinfo->skbmarkmask) &&
nla_put_net64(skb, IPSET_ATTR_SKBMARK,
cpu_to_be64((u64)skbinfo->skbmark << 32 |
skbinfo->skbmarkmask))) ||
(skbinfo->skbprio &&
nla_put_net32(skb, IPSET_ATTR_SKBPRIO,
cpu_to_be32(skbinfo->skbprio))) ||
(skbinfo->skbqueue &&
nla_put_net16(skb, IPSET_ATTR_SKBQUEUE,
cpu_to_be16(skbinfo->skbqueue)));
}
......
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