commit dbcdf85a2e3d2aa584dafd10b5a1f42764e673e7
Author: Alexey Dobriyan [off-list ref]
Date:   Tue Nov 4 14:28:04 2008 +0100

    netfilter: netns ebtables: more cleanup during ebt_unregister_table()
    
    Now that ebt_unregister_table() can be called during netns stop, and module
    pinning scheme can't prevent netns stop, do table cleanup by hand.
    
    Signed-off-by: Alexey Dobriyan [off-list ref]
    Signed-off-by: Patrick McHardy [off-list ref]

diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 82e1752..fa108c4 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c

@@ -1209,6 +1209,10 @@ void ebt_unregister_table(struct ebt_table *table)
 	mutex_lock(&ebt_mutex);
 	list_del(&table->list);
 	mutex_unlock(&ebt_mutex);
+	EBT_ENTRY_ITERATE(table->private->entries, table->private->entries_size,
+			  ebt_cleanup_entry, NULL);
+	if (table->private->nentries)
+		module_put(table->me);
 	vfree(table->private->entries);
 	if (table->private->chainstack) {
 		for_each_possible_cpu(i)