diff options
Diffstat (limited to 'net/ipv4/netfilter')
| -rw-r--r-- | net/ipv4/netfilter/iptable_mangle.c | 9 | ||||
| -rw-r--r-- | net/ipv4/netfilter/iptable_nat.c | 6 |
2 files changed, 10 insertions, 5 deletions
diff --git a/net/ipv4/netfilter/iptable_mangle.c b/net/ipv4/netfilter/iptable_mangle.c index 85d88f2..cba5658 100644 --- a/net/ipv4/netfilter/iptable_mangle.c +++ b/net/ipv4/netfilter/iptable_mangle.c @@ -44,6 +44,7 @@ ipt_mangle_out(struct sk_buff *skb, const struct net_device *out) u_int8_t tos; __be32 saddr, daddr; u_int32_t mark; + int err; /* root is playing with raw sockets. */ if (skb->len < sizeof(struct iphdr) || @@ -66,9 +67,11 @@ ipt_mangle_out(struct sk_buff *skb, const struct net_device *out) if (iph->saddr != saddr || iph->daddr != daddr || skb->mark != mark || - iph->tos != tos) - if (ip_route_me_harder(skb, RTN_UNSPEC)) - ret = NF_DROP; + iph->tos != tos) { + err = ip_route_me_harder(skb, RTN_UNSPEC); + if (err < 0) + ret = NF_DROP_ERR(err); + } } return ret; diff --git a/net/ipv4/netfilter/iptable_nat.c b/net/ipv4/netfilter/iptable_nat.c index eeaff7e..c2937c8 100644 --- a/net/ipv4/netfilter/iptable_nat.c +++ b/net/ipv4/netfilter/iptable_nat.c @@ -213,6 +213,7 @@ nf_nat_ipv4_local_fn(unsigned int hooknum, const struct nf_conn *ct; enum ip_conntrack_info ctinfo; unsigned int ret; + int err; /* root is playing with raw sockets. */ if (skb->len < sizeof(struct iphdr) || @@ -226,8 +227,9 @@ nf_nat_ipv4_local_fn(unsigned int hooknum, if (ct->tuplehash[dir].tuple.dst.u3.ip != ct->tuplehash[!dir].tuple.src.u3.ip) { - if (ip_route_me_harder(skb, RTN_UNSPEC)) - ret = NF_DROP; + err = ip_route_me_harder(skb, RTN_UNSPEC); + if (err < 0) + ret = NF_DROP_ERR(err); } #ifdef CONFIG_XFRM else if (!(IPCB(skb)->flags & IPSKB_XFRM_TRANSFORMED) && |