diff options
Diffstat (limited to 'net/core')
| -rw-r--r-- | net/core/net_namespace.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 4026a4cff93..bd8c4712ea2 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -413,8 +413,11 @@ again: } } error = __register_pernet_operations(list, ops); - if (error && ops->id) - ida_remove(&net_generic_ids, *ops->id); + if (error) { + rcu_barrier(); + if (ops->id) + ida_remove(&net_generic_ids, *ops->id); + } return error; } @@ -423,6 +426,7 @@ static void unregister_pernet_operations(struct pernet_operations *ops) { __unregister_pernet_operations(ops); + rcu_barrier(); if (ops->id) ida_remove(&net_generic_ids, *ops->id); } |