Pull ec into release branch
[firefly-linux-kernel-4.4.55.git] / net / ipv6 / netfilter / ip6t_HL.c
index ccbab66277e37d25918eea826c6a35059864a8f4..ad4d94310b8734ab145ef79e443acaa3550e719f 100644 (file)
@@ -32,7 +32,7 @@ static unsigned int ip6t_hl_target(struct sk_buff **pskb,
        if (!skb_make_writable(pskb, (*pskb)->len))
                return NF_DROP;
 
-       ip6h = (*pskb)->nh.ipv6h;
+       ip6h = ipv6_hdr(*pskb);
 
        switch (info->mode) {
                case IP6T_HL_SET:
@@ -58,28 +58,28 @@ static unsigned int ip6t_hl_target(struct sk_buff **pskb,
        return XT_CONTINUE;
 }
 
-static int ip6t_hl_checkentry(const char *tablename,
+static bool ip6t_hl_checkentry(const char *tablename,
                const void *entry,
                const struct xt_target *target,
                void *targinfo,
                unsigned int hook_mask)
 {
-       struct ip6t_HL_info *info = targinfo;
+       const struct ip6t_HL_info *info = targinfo;
 
        if (info->mode > IP6T_HL_MAXMODE) {
                printk(KERN_WARNING "ip6t_HL: invalid or unknown Mode %u\n",
                        info->mode);
-               return 0;
+               return false;
        }
-       if ((info->mode != IP6T_HL_SET) && (info->hop_limit == 0)) {
+       if (info->mode != IP6T_HL_SET && info->hop_limit == 0) {
                printk(KERN_WARNING "ip6t_HL: increment/decrement doesn't "
                        "make sense with value 0\n");
-               return 0;
+               return false;
        }
-       return 1;
+       return true;
 }
 
-static struct xt_target ip6t_HL = {
+static struct xt_target ip6t_HL __read_mostly = {
        .name           = "HL",
        .family         = AF_INET6,
        .target         = ip6t_hl_target,