net: sched: fix act_ipt for LOG target

Before calling the destroy() or target() callbacks, the family parameter
field has to be initialized. Otherwise at least the LOG target will
refuse to work and upon removal oops the kernel.

Cc: Jamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: NPhil Sutter <phil@nwl.cc>
Acked-by: NJamal Hadi Salim <jhs@mojatatu.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

net/sched/act_ipt.c

@@ -62,6 +62,7 @@ static void ipt_destroy_target(struct xt_entry_target *t)
 	struct xt_tgdtor_param par = {
 		.target   = t->u.kernel.target,
 		.targinfo = t->data,
+		.family   = NFPROTO_IPV4,
 	};
 	if (par.target->destroy != NULL)
 		par.target->destroy(&par);
@@ -195,6 +196,7 @@ static int tcf_ipt(struct sk_buff *skb, const struct tc_action *a,
 	par.hooknum  = ipt->tcfi_hook;
 	par.target   = ipt->tcfi_t->u.kernel.target;
 	par.targinfo = ipt->tcfi_t->data;
+	par.family   = NFPROTO_IPV4;
 	ret = par.target->target(skb, &par);
 
 	switch (ret) {