summaryrefslogtreecommitdiff
path: root/net/core/net_namespace.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/core/net_namespace.c')
-rw-r--r--net/core/net_namespace.c14
1 files changed, 8 insertions, 6 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c
index 0a2b24af4028..48dd6dc603c9 100644
--- a/net/core/net_namespace.c
+++ b/net/core/net_namespace.c
@@ -220,17 +220,20 @@ static void ops_free_list(const struct pernet_operations *ops,
static void ops_undo_list(const struct list_head *ops_list,
const struct pernet_operations *ops,
struct list_head *net_exit_list,
- bool expedite_rcu, bool hold_rtnl)
+ bool expedite_rcu)
{
const struct pernet_operations *saved_ops;
+ bool hold_rtnl = false;
if (!ops)
ops = list_entry(ops_list, typeof(*ops), list);
saved_ops = ops;
- list_for_each_entry_continue_reverse(ops, ops_list, list)
+ list_for_each_entry_continue_reverse(ops, ops_list, list) {
+ hold_rtnl |= !!ops->exit_rtnl;
ops_pre_exit_list(ops, net_exit_list);
+ }
/* Another CPU might be rcu-iterating the list, wait for it.
* This needs to be before calling the exit() notifiers, so the
@@ -257,11 +260,10 @@ static void ops_undo_list(const struct list_head *ops_list,
static void ops_undo_single(struct pernet_operations *ops,
struct list_head *net_exit_list)
{
- bool hold_rtnl = !!ops->exit_rtnl;
LIST_HEAD(ops_list);
list_add(&ops->list, &ops_list);
- ops_undo_list(&ops_list, NULL, net_exit_list, false, hold_rtnl);
+ ops_undo_list(&ops_list, NULL, net_exit_list, false);
list_del(&ops->list);
}
@@ -452,7 +454,7 @@ out_undo:
* for the pernet modules whose init functions did not fail.
*/
list_add(&net->exit_list, &net_exit_list);
- ops_undo_list(&pernet_list, ops, &net_exit_list, false, true);
+ ops_undo_list(&pernet_list, ops, &net_exit_list, false);
rcu_barrier();
goto out;
}
@@ -681,7 +683,7 @@ static void cleanup_net(struct work_struct *work)
list_add_tail(&net->exit_list, &net_exit_list);
}
- ops_undo_list(&pernet_list, NULL, &net_exit_list, true, true);
+ ops_undo_list(&pernet_list, NULL, &net_exit_list, true);
up_read(&pernet_ops_rwsem);