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-rw-r--r--net/ipv4/ipmr.c20
1 files changed, 15 insertions, 5 deletions
diff --git a/net/ipv4/ipmr.c b/net/ipv4/ipmr.c
index 07274619b9ea..4a55a620e526 100644
--- a/net/ipv4/ipmr.c
+++ b/net/ipv4/ipmr.c
@@ -266,13 +266,12 @@ static void __net_exit ipmr_rules_exit(struct net *net)
{
struct mr_table *mrt, *next;
- rtnl_lock();
+ ASSERT_RTNL();
list_for_each_entry_safe(mrt, next, &net->ipv4.mr_tables, list) {
list_del(&mrt->list);
ipmr_free_table(mrt);
}
fib_rules_unregister(net->ipv4.mr_rules_ops);
- rtnl_unlock();
}
static int ipmr_rules_dump(struct net *net, struct notifier_block *nb,
@@ -328,10 +327,9 @@ static int __net_init ipmr_rules_init(struct net *net)
static void __net_exit ipmr_rules_exit(struct net *net)
{
- rtnl_lock();
+ ASSERT_RTNL();
ipmr_free_table(net->ipv4.mrt);
net->ipv4.mrt = NULL;
- rtnl_unlock();
}
static int ipmr_rules_dump(struct net *net, struct notifier_block *nb,
@@ -3075,7 +3073,9 @@ static int __net_init ipmr_net_init(struct net *net)
proc_cache_fail:
remove_proc_entry("ip_mr_vif", net->proc_net);
proc_vif_fail:
+ rtnl_lock();
ipmr_rules_exit(net);
+ rtnl_unlock();
#endif
ipmr_rules_fail:
ipmr_notifier_exit(net);
@@ -3090,12 +3090,22 @@ static void __net_exit ipmr_net_exit(struct net *net)
remove_proc_entry("ip_mr_vif", net->proc_net);
#endif
ipmr_notifier_exit(net);
- ipmr_rules_exit(net);
+}
+
+static void __net_exit ipmr_net_exit_batch(struct list_head *net_list)
+{
+ struct net *net;
+
+ rtnl_lock();
+ list_for_each_entry(net, net_list, exit_list)
+ ipmr_rules_exit(net);
+ rtnl_unlock();
}
static struct pernet_operations ipmr_net_ops = {
.init = ipmr_net_init,
.exit = ipmr_net_exit,
+ .exit_batch = ipmr_net_exit_batch,
};
int __init ip_mr_init(void)