netfilter: xtables: add struct xt_mtdtor_param::net

Add ->net to match destructor list like ->net in constructor list.

Make sure it's set in ebtables/iptables/ip6tables, this requires to
propagate netns up to *_unregister_table().

Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

4 files changed, 4 insertions, 3 deletions

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index 88261b9829a7..3caf5e151102 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -216,6 +216,7 @@ struct xt_mtchk_param {
 
 /* Match destructor parameters */
 struct xt_mtdtor_param {
+        struct net *net;
         const struct xt_match *match;
         void *matchinfo;
         u_int8_t family;
diff --git a/include/linux/netfilter_bridge/ebtables.h b/include/linux/netfilter_bridge/ebtables.h
index 3cc40c131cc3..1c6f0c5f530e 100644
--- a/include/linux/netfilter_bridge/ebtables.h
+++ b/include/linux/netfilter_bridge/ebtables.h
@@ -289,7 +289,7 @@ struct ebt_table {
                      ~(__alignof__(struct ebt_replace)-1))
 extern struct ebt_table *ebt_register_table(struct net *net,
                                             const struct ebt_table *table);
-extern void ebt_unregister_table(struct ebt_table *table);
+extern void ebt_unregister_table(struct net *net, struct ebt_table *table);
 extern unsigned int ebt_do_table(unsigned int hook, struct sk_buff *skb,
    const struct net_device *in, const struct net_device *out,
    struct ebt_table *table);
diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index 27b3f5807305..8d1f273d350b 100644
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -242,7 +242,7 @@ extern void ipt_init(void) __init;
 extern struct xt_table *ipt_register_table(struct net *net,
                                            const struct xt_table *table,
                                            const struct ipt_replace *repl);
-extern void ipt_unregister_table(struct xt_table *table);
+extern void ipt_unregister_table(struct net *net, struct xt_table *table);
 
 /* Standard entry. */
 struct ipt_standard {
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
index b31050d20ae4..d2952d2fa658 100644
--- a/include/linux/netfilter_ipv6/ip6_tables.h
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -300,7 +300,7 @@ extern void ip6t_init(void) __init;
 extern struct xt_table *ip6t_register_table(struct net *net,
                                             const struct xt_table *table,
                                             const struct ip6t_replace *repl);
-extern void ip6t_unregister_table(struct xt_table *table);
+extern void ip6t_unregister_table(struct net *net, struct xt_table *table);
 extern unsigned int ip6t_do_table(struct sk_buff *skb,
                                   unsigned int hook,
                                   const struct net_device *in,