netfilter: nft_nat: don't dump port information if unset

Don't include port information attributes if they are unset.

Reported-by: Ana Rey <anarey@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
This commit is contained in:
Pablo Neira Ayuso 2014-06-13 13:45:38 +02:00
parent 6403d96254
commit 915136065b
1 changed files with 8 additions and 6 deletions

View File

@ -175,12 +175,14 @@ static int nft_nat_dump(struct sk_buff *skb, const struct nft_expr *expr)
if (nla_put_be32(skb,
NFTA_NAT_REG_ADDR_MAX, htonl(priv->sreg_addr_max)))
goto nla_put_failure;
if (nla_put_be32(skb,
NFTA_NAT_REG_PROTO_MIN, htonl(priv->sreg_proto_min)))
goto nla_put_failure;
if (nla_put_be32(skb,
NFTA_NAT_REG_PROTO_MAX, htonl(priv->sreg_proto_max)))
goto nla_put_failure;
if (priv->sreg_proto_min) {
if (nla_put_be32(skb, NFTA_NAT_REG_PROTO_MIN,
htonl(priv->sreg_proto_min)))
goto nla_put_failure;
if (nla_put_be32(skb, NFTA_NAT_REG_PROTO_MAX,
htonl(priv->sreg_proto_max)))
goto nla_put_failure;
}
return 0;
nla_put_failure: