From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pablo Neira Ayuso Subject: [PATCH 06/32] netfilter: bridge: rename br_parse_ip_options Date: Mon, 15 Jun 2015 23:26:03 +0200 Message-ID: <1434403589-24796-7-git-send-email-pablo@netfilter.org> References: <1434403589-24796-1-git-send-email-pablo@netfilter.org> Cc: davem@davemloft.net, netdev@vger.kernel.org To: netfilter-devel@vger.kernel.org Return-path: Received: from mail.us.es ([193.147.175.20]:58745 "EHLO mail.us.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750707AbbFOVVV (ORCPT ); Mon, 15 Jun 2015 17:21:21 -0400 In-Reply-To: <1434403589-24796-1-git-send-email-pablo@netfilter.org> Sender: netfilter-devel-owner@vger.kernel.org List-ID: From: Bernhard Thaler br_parse_ip_options() does not parse any IP options, it validates IP packets as a whole and the function name is misleading. Rename br_parse_ip_options() to br_validate_ipv4() and remove unneeded commments. Signed-off-by: Bernhard Thaler Signed-off-by: Pablo Neira Ayuso --- net/bridge/br_netfilter.c | 9 ++++----- 1 file changed, 4 insertions(+), 5 deletions(-) diff --git a/net/bridge/br_netfilter.c b/net/bridge/br_netfilter.c index 1f30b28..962d5f8 100644 --- a/net/bridge/br_netfilter.c +++ b/net/bridge/br_netfilter.c @@ -216,7 +216,7 @@ static inline void nf_bridge_pull_encap_header_rcsum(struct sk_buff *skb) * expected format */ -static int br_parse_ip_options(struct sk_buff *skb) +static int br_validate_ipv4(struct sk_buff *skb) { const struct iphdr *iph; struct net_device *dev = skb->dev; @@ -692,7 +692,7 @@ static unsigned int br_nf_pre_routing(const struct nf_hook_ops *ops, nf_bridge_pull_encap_header_rcsum(skb); - if (br_parse_ip_options(skb)) + if (br_validate_ipv4(skb)) return NF_DROP; nf_bridge_put(skb->nf_bridge); @@ -802,7 +802,7 @@ static unsigned int br_nf_forward_ip(const struct nf_hook_ops *ops, } if (pf == NFPROTO_IPV4) { - if (br_parse_ip_options(skb)) + if (br_validate_ipv4(skb)) return NF_DROP; IPCB(skb)->frag_max_size = nf_bridge->frag_max_size; } @@ -913,8 +913,7 @@ static int br_nf_dev_queue_xmit(struct sock *sk, struct sk_buff *skb) if (skb->len + mtu_reserved > skb->dev->mtu) { struct brnf_frag_data *data; - if (br_parse_ip_options(skb)) - /* Drop invalid packet */ + if (br_validate_ipv4(skb)) return NF_DROP; IPCB(skb)->frag_max_size = nf_bridge->frag_max_size; -- 1.7.10.4