From: Alexey Dobriyan Date: Thu, 31 Jan 2008 12:05:34 +0000 (-0800) Subject: [NETFILTER]: netns: put table module on netns stop X-Git-Tag: v2.6.25-rc1~1089^2~82 X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=df200969b1627e8f1cda7ce8c0707863f91bb81b;p=linux-2.6 [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: Alexey Dobriyan Signed-off-by: Patrick McHardy Signed-off-by: David S. Miller --- diff --git a/net/ipv4/netfilter/arp_tables.c b/net/ipv4/netfilter/arp_tables.c index ec64b67964..3608675ab0 100644 --- a/net/ipv4/netfilter/arp_tables.c +++ b/net/ipv4/netfilter/arp_tables.c @@ -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); } diff --git a/net/ipv4/netfilter/ip_tables.c b/net/ipv4/netfilter/ip_tables.c index c1b80f4cb7..427bc9b3d3 100644 --- a/net/ipv4/netfilter/ip_tables.c +++ b/net/ipv4/netfilter/ip_tables.c @@ -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); } diff --git a/net/ipv6/netfilter/ip6_tables.c b/net/ipv6/netfilter/ip6_tables.c index 2453dfdc91..6fabb73ff4 100644 --- a/net/ipv6/netfilter/ip6_tables.c +++ b/net/ipv6/netfilter/ip6_tables.c @@ -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); }