netfilter: xtables: deconstify struct xt_action_param for matches
In future, layer-3 matches will be an xt module of their own, and
need to set the fragoff and thoff fields. Adding more pointers would
needlessy increase memory requirements (esp. so for 64-bit, where
pointers are wider).
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
diff --git a/net/ipv6/netfilter/ip6t_rt.c b/net/ipv6/netfilter/ip6t_rt.c
index 793c272..ee58469 100644
--- a/net/ipv6/netfilter/ip6t_rt.c
+++ b/net/ipv6/netfilter/ip6t_rt.c
@@ -36,8 +36,7 @@
return r;
}
-static bool rt_mt6(const struct sk_buff *skb,
- const struct xt_action_param *par)
+static bool rt_mt6(const struct sk_buff *skb, struct xt_action_param *par)
{
struct ipv6_rt_hdr _route;
const struct ipv6_rt_hdr *rh;