diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_ttl.c')
-rw-r--r-- | net/ipv4/netfilter/ipt_ttl.c | 11 |
1 files changed, 5 insertions, 6 deletions
diff --git a/net/ipv4/netfilter/ipt_ttl.c b/net/ipv4/netfilter/ipt_ttl.c index 1eca9f400374..ab02d9e3139c 100644 --- a/net/ipv4/netfilter/ipt_ttl.c +++ b/net/ipv4/netfilter/ipt_ttl.c @@ -1,7 +1,5 @@ /* IP tables module for matching the value of the TTL * - * ipt_ttl.c,v 1.5 2000/11/13 11:16:08 laforge Exp - * * (C) 2000,2001 by Harald Welte <laforge@netfilter.org> * * This program is free software; you can redistribute it and/or modify @@ -26,19 +24,20 @@ 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", |