if (!skb_make_writable(pskb, (*pskb)->len))
return NF_DROP;
- iph = (*pskb)->nh.iph;
+ iph = ip_hdr(*pskb);
switch (info->mode) {
case IPT_TTL_SET:
return XT_CONTINUE;
}
-static int ipt_ttl_checkentry(const char *tablename,
+static bool ipt_ttl_checkentry(const char *tablename,
const void *e,
const struct xt_target *target,
void *targinfo,
unsigned int hook_mask)
{
- struct ipt_TTL_info *info = targinfo;
+ const struct ipt_TTL_info *info = targinfo;
if (info->mode > IPT_TTL_MAXMODE) {
printk(KERN_WARNING "ipt_TTL: invalid or unknown Mode %u\n",
info->mode);
- return 0;
+ return false;
}
- if ((info->mode != IPT_TTL_SET) && (info->ttl == 0))
- return 0;
- return 1;
+ if (info->mode != IPT_TTL_SET && info->ttl == 0)
+ return false;
+ return true;
}
static struct xt_target ipt_TTL = {