diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_ttl.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_ttl.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/net/ipv4/netfilter/ipt_ttl.c b/net/ipv4/netfilter/ipt_ttl.c index 1eca9f400374..9615c04a2fc6 100644 --- a/net/ipv4/netfilter/ipt_ttl.c +++ b/net/ipv4/netfilter/ipt_ttl.c @@ -26,19 +26,20 @@ static int match(const struct sk_buff *skb, int offset, unsigned int protoff, int *hotdrop) { const struct ipt_ttl_info *info = matchinfo; + const u8 ttl = ip_hdr(skb)->ttl; switch (info->mode) { case IPT_TTL_EQ: - return (skb->nh.iph->ttl == info->ttl); + return (ttl == info->ttl); break; case IPT_TTL_NE: - return (!(skb->nh.iph->ttl == info->ttl)); + return (!(ttl == info->ttl)); break; case IPT_TTL_LT: - return (skb->nh.iph->ttl < info->ttl); + return (ttl < info->ttl); break; case IPT_TTL_GT: - return (skb->nh.iph->ttl > info->ttl); + return (ttl > info->ttl); break; default: printk(KERN_WARNING "ipt_ttl: unknown mode %d\n", |