diff options
Diffstat (limited to 'ipc/namespace.c')
| -rw-r--r-- | ipc/namespace.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/ipc/namespace.c b/ipc/namespace.c index b4d80f9f7246..fc850c526698 100644 --- a/ipc/namespace.c +++ b/ipc/namespace.c @@ -50,20 +50,32 @@ static struct ipc_namespace *create_ipc_ns(struct user_namespace *user_ns, goto fail_free; ns->ns.ops = &ipcns_operations; - atomic_set(&ns->count, 1); + refcount_set(&ns->count, 1); ns->user_ns = get_user_ns(user_ns); ns->ucounts = ucounts; - err = mq_init_ns(ns); + err = sem_init_ns(ns); if (err) goto fail_put; + err = msg_init_ns(ns); + if (err) + goto fail_destroy_sem; + err = shm_init_ns(ns); + if (err) + goto fail_destroy_msg; - sem_init_ns(ns); - msg_init_ns(ns); - shm_init_ns(ns); + err = mq_init_ns(ns); + if (err) + goto fail_destroy_shm; return ns; +fail_destroy_shm: + shm_exit_ns(ns); +fail_destroy_msg: + msg_exit_ns(ns); +fail_destroy_sem: + sem_exit_ns(ns); fail_put: put_user_ns(ns->user_ns); ns_free_inum(&ns->ns); @@ -144,7 +156,7 @@ static void free_ipc_ns(struct ipc_namespace *ns) */ void put_ipc_ns(struct ipc_namespace *ns) { - if (atomic_dec_and_lock(&ns->count, &mq_lock)) { + if (refcount_dec_and_lock(&ns->count, &mq_lock)) { mq_clear_sbinfo(ns); spin_unlock(&mq_lock); mq_put_mnt(ns); |