From 8da560ced56c423cd6d35803cd0244c944c676bd Mon Sep 17 00:00:00 2001 From: Patrick McHardy Date: Tue, 1 Feb 2011 16:27:25 +0100 Subject: [PATCH] netfilter: ipset: use nla_parse_nested() Replace calls of the form: nla_parse(tb, ATTR_MAX, nla_data(attr), nla_len(attr), policy) by: nla_parse_nested(tb, ATTR_MAX, attr, policy) Signed-off-by: Patrick McHardy --- net/netfilter/ipset/ip_set_core.c | 42 ++++++++++++------------------- 1 file changed, 16 insertions(+), 26 deletions(-) diff --git a/net/netfilter/ipset/ip_set_core.c b/net/netfilter/ipset/ip_set_core.c index 8a736247e85f..ae0f8b595106 100644 --- a/net/netfilter/ipset/ip_set_core.c +++ b/net/netfilter/ipset/ip_set_core.c @@ -246,8 +246,7 @@ ip_set_get_ipaddr4(struct nlattr *nla, __be32 *ipaddr) if (unlikely(!flag_nested(nla))) return -IPSET_ERR_PROTOCOL; - if (nla_parse(tb, IPSET_ATTR_IPADDR_MAX, nla_data(nla), nla_len(nla), - ipaddr_policy)) + if (nla_parse_nested(tb, IPSET_ATTR_IPADDR_MAX, nla, ipaddr_policy)) return -IPSET_ERR_PROTOCOL; if (unlikely(!ip_set_attr_netorder(tb, IPSET_ATTR_IPADDR_IPV4))) return -IPSET_ERR_PROTOCOL; @@ -265,8 +264,7 @@ ip_set_get_ipaddr6(struct nlattr *nla, union nf_inet_addr *ipaddr) if (unlikely(!flag_nested(nla))) return -IPSET_ERR_PROTOCOL; - if (nla_parse(tb, IPSET_ATTR_IPADDR_MAX, nla_data(nla), nla_len(nla), - ipaddr_policy)) + if (nla_parse_nested(tb, IPSET_ATTR_IPADDR_MAX, nla, ipaddr_policy)) return -IPSET_ERR_PROTOCOL; if (unlikely(!ip_set_attr_netorder(tb, IPSET_ATTR_IPADDR_IPV6))) return -IPSET_ERR_PROTOCOL; @@ -666,10 +664,8 @@ ip_set_create(struct sock *ctnl, struct sk_buff *skb, * Without holding any locks, create private part. */ if (attr[IPSET_ATTR_DATA] && - nla_parse(tb, IPSET_ATTR_CREATE_MAX, - nla_data(attr[IPSET_ATTR_DATA]), - nla_len(attr[IPSET_ATTR_DATA]), - set->type->create_policy)) { + nla_parse_nested(tb, IPSET_ATTR_CREATE_MAX, attr[IPSET_ATTR_DATA], + set->type->create_policy)) { ret = -IPSET_ERR_PROTOCOL; goto put_out; } @@ -1169,10 +1165,9 @@ ip_set_uadd(struct sock *ctnl, struct sk_buff *skb, use_lineno = !!attr[IPSET_ATTR_LINENO]; if (attr[IPSET_ATTR_DATA]) { - if (nla_parse(tb, IPSET_ATTR_ADT_MAX, - nla_data(attr[IPSET_ATTR_DATA]), - nla_len(attr[IPSET_ATTR_DATA]), - set->type->adt_policy)) + if (nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, + attr[IPSET_ATTR_DATA], + set->type->adt_policy)) return -IPSET_ERR_PROTOCOL; ret = call_ad(skb, set, tb, IPSET_ADD, flags, use_lineno); } else { @@ -1182,9 +1177,8 @@ ip_set_uadd(struct sock *ctnl, struct sk_buff *skb, memset(tb, 0, sizeof(tb)); if (nla_type(nla) != IPSET_ATTR_DATA || !flag_nested(nla) || - nla_parse(tb, IPSET_ATTR_ADT_MAX, - nla_data(nla), nla_len(nla), - set->type->adt_policy)) + nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, nla, + set->type->adt_policy)) return -IPSET_ERR_PROTOCOL; ret = call_ad(skb, set, tb, IPSET_ADD, flags, use_lineno); @@ -1224,10 +1218,9 @@ ip_set_udel(struct sock *ctnl, struct sk_buff *skb, use_lineno = !!attr[IPSET_ATTR_LINENO]; if (attr[IPSET_ATTR_DATA]) { - if (nla_parse(tb, IPSET_ATTR_ADT_MAX, - nla_data(attr[IPSET_ATTR_DATA]), - nla_len(attr[IPSET_ATTR_DATA]), - set->type->adt_policy)) + if (nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, + attr[IPSET_ATTR_DATA], + set->type->adt_policy)) return -IPSET_ERR_PROTOCOL; ret = call_ad(skb, set, tb, IPSET_DEL, flags, use_lineno); } else { @@ -1237,9 +1230,8 @@ ip_set_udel(struct sock *ctnl, struct sk_buff *skb, memset(tb, 0, sizeof(*tb)); if (nla_type(nla) != IPSET_ATTR_DATA || !flag_nested(nla) || - nla_parse(tb, IPSET_ATTR_ADT_MAX, - nla_data(nla), nla_len(nla), - set->type->adt_policy)) + nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, nla, + set->type->adt_policy)) return -IPSET_ERR_PROTOCOL; ret = call_ad(skb, set, tb, IPSET_DEL, flags, use_lineno); @@ -1269,10 +1261,8 @@ ip_set_utest(struct sock *ctnl, struct sk_buff *skb, if (set == NULL) return -ENOENT; - if (nla_parse(tb, IPSET_ATTR_ADT_MAX, - nla_data(attr[IPSET_ATTR_DATA]), - nla_len(attr[IPSET_ATTR_DATA]), - set->type->adt_policy)) + if (nla_parse_nested(tb, IPSET_ATTR_ADT_MAX, attr[IPSET_ATTR_DATA], + set->type->adt_policy)) return -IPSET_ERR_PROTOCOL; read_lock_bh(&set->lock); -- 2.20.1