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Commit df200969 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by David S. Miller
Browse files

[NETFILTER]: netns: put table module on netns stop 



When number of entries exceeds number of initial entries, foo-tables code
will pin table module. But during table unregister on netns stop,
that additional pin was forgotten.

Signed-off-by: default avatarAlexey Dobriyan <adobriyan@sw.ru>
Signed-off-by: default avatarPatrick McHardy <kaber@trash.net>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 9ea0cb26

net/ipv4/netfilter/arp_tables.c

+3 −0
Original line number Diff line number Diff line
@@ -1773,6 +1773,7 @@ void arpt_unregister_table(struct arpt_table *table) 
{

	struct xt_table_info *private;

	void *loc_cpu_entry;

	struct module *table_owner = table->me;



	private = xt_unregister_table(table);
@@ -1780,6 +1781,8 @@ void arpt_unregister_table(struct arpt_table *table) 
	loc_cpu_entry = private->entries[raw_smp_processor_id()];

	ARPT_ENTRY_ITERATE(loc_cpu_entry, private->size,

			   cleanup_entry, NULL);

	if (private->number > private->initial_entries)

		module_put(table_owner);

	xt_free_table_info(private);

}

net/ipv4/netfilter/ip_tables.c

+3 −0
Original line number Diff line number Diff line
@@ -2095,12 +2095,15 @@ void ipt_unregister_table(struct xt_table *table) 
{

	struct xt_table_info *private;

	void *loc_cpu_entry;

	struct module *table_owner = table->me;



	private = xt_unregister_table(table);



	/* Decrease module usage counts and free resources */

	loc_cpu_entry = private->entries[raw_smp_processor_id()];

	IPT_ENTRY_ITERATE(loc_cpu_entry, private->size, cleanup_entry, NULL);

	if (private->number > private->initial_entries)

		module_put(table_owner);

	xt_free_table_info(private);

}

net/ipv6/netfilter/ip6_tables.c

+3 −0
Original line number Diff line number Diff line
@@ -2121,12 +2121,15 @@ void ip6t_unregister_table(struct xt_table *table) 
{

	struct xt_table_info *private;

	void *loc_cpu_entry;

	struct module *table_owner = table->me;



	private = xt_unregister_table(table);



	/* Decrease module usage counts and free resources */

	loc_cpu_entry = private->entries[raw_smp_processor_id()];

	IP6T_ENTRY_ITERATE(loc_cpu_entry, private->size, cleanup_entry, NULL);

	if (private->number > private->initial_entries)

		module_put(table_owner);

	xt_free_table_info(private);

}