[NETFILTER]: add some consts, remove some casts

[deliverable/linux.git] / net / ipv6 / netfilter / ip6t_rt.c

diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index e991ed4a692e0d00d5cc0e27cb4665b495d705b4..bc5ff4b1af3943435ab752603ef9794cc7143aa5 100644 (file)
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -52,13 +52,15 @@ match(const struct sk_buff *skb,
       unsigned int protoff,
       bool *hotdrop)
 {
-       struct ipv6_rt_hdr _route, *rh;
+       struct ipv6_rt_hdr _route;
+       const struct ipv6_rt_hdr *rh;
        const struct ip6t_rt *rtinfo = matchinfo;
        unsigned int temp;
        unsigned int ptr;
        unsigned int hdrlen = 0;
        bool ret = false;
-       struct in6_addr *ap, _addr;
+       struct in6_addr _addr;
+       const struct in6_addr *ap;
        int err;
 
        err = ipv6_find_hdr(skb, &ptr, NEXTHDR_ROUTING, NULL);
@@ -100,9 +102,9 @@ match(const struct sk_buff *skb,
                 !!(rtinfo->invflags & IP6T_RT_INV_LEN))));
        DEBUGP("res %02X %02X %02X ",
               (rtinfo->flags & IP6T_RT_RES),
-              ((struct rt0_hdr *)rh)->reserved,
+              ((const struct rt0_hdr *)rh)->reserved,
               !((rtinfo->flags & IP6T_RT_RES) &&
-                (((struct rt0_hdr *)rh)->reserved)));
+                (((const struct rt0_hdr *)rh)->reserved)));
 
        ret = (rh != NULL)
              &&