[SK_BUFF]: Introduce ip_hdr(), remove skb->nh.iph

[safe/jmp/linux-2.6] / net / ipv4 / netfilter / ipt_ttl.c

diff --git a/net/ipv4/netfilter/ipt_ttl.c b/net/ipv4/netfilter/ipt_ttl.c
index 1eca9f4..9615c04 100644 (file)
--- 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",