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_limit.c b/net/netfilter/xt_limit.c
index 7dcfe86..32b7a57 100644
--- a/net/netfilter/xt_limit.c
+++ b/net/netfilter/xt_limit.c
@@ -65,7 +65,7 @@
#define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
static bool
-limit_mt(const struct sk_buff *skb, const struct xt_action_param *par)
+limit_mt(const struct sk_buff *skb, struct xt_action_param *par)
{
const struct xt_rateinfo *r = par->matchinfo;
struct xt_limit_priv *priv = r->master;