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/netfilter/xt_mac.c b/net/netfilter/xt_mac.c
index 36c4964..8160f6b 100644
--- a/net/netfilter/xt_mac.c
+++ b/net/netfilter/xt_mac.c
@@ -25,8 +25,7 @@
MODULE_ALIAS("ipt_mac");
MODULE_ALIAS("ip6t_mac");
-static bool mac_mt(const struct sk_buff *skb,
- const struct xt_action_param *par)
+static bool mac_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_mac_info *info = par->matchinfo;
bool ret;