diff options
Diffstat (limited to 'net/core/net_namespace.c')
| -rw-r--r-- | net/core/net_namespace.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/net/core/net_namespace.c b/net/core/net_namespace.c index 26d70c00b054..a87774424829 100644 --- a/net/core/net_namespace.c +++ b/net/core/net_namespace.c @@ -112,6 +112,7 @@ static int net_assign_generic(struct net *net, unsigned int id, void *data) static int ops_init(const struct pernet_operations *ops, struct net *net) { + struct net_generic *ng; int err = -ENOMEM; void *data = NULL; @@ -130,6 +131,12 @@ static int ops_init(const struct pernet_operations *ops, struct net *net) if (!err) return 0; + if (ops->id && ops->size) { + ng = rcu_dereference_protected(net->gen, + lockdep_is_held(&pernet_ops_rwsem)); + ng->ptr[*ops->id] = NULL; + } + cleanup: kfree(data); @@ -149,8 +156,10 @@ static void ops_exit_list(const struct pernet_operations *ops, { struct net *net; if (ops->exit) { - list_for_each_entry(net, net_exit_list, exit_list) + list_for_each_entry(net, net_exit_list, exit_list) { ops->exit(net); + cond_resched(); + } } if (ops->exit_batch) ops->exit_batch(net_exit_list); |