diff options
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/nsproxy.c | 8 | ||||
| -rw-r--r-- | kernel/pid.c | 3 | ||||
| -rw-r--r-- | kernel/pid_namespace.c | 1 | ||||
| -rw-r--r-- | kernel/user.c | 3 | ||||
| -rw-r--r-- | kernel/user_namespace.c | 1 | ||||
| -rw-r--r-- | kernel/utsname.c | 2 |
6 files changed, 14 insertions, 4 deletions
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c index ef42d0ab3115..87c37221cb7f 100644 --- a/kernel/nsproxy.c +++ b/kernel/nsproxy.c @@ -220,11 +220,11 @@ void exit_task_namespaces(struct task_struct *p) SYSCALL_DEFINE2(setns, int, fd, int, nstype) { - const struct proc_ns_operations *ops; struct task_struct *tsk = current; struct nsproxy *new_nsproxy; struct proc_ns *ei; struct file *file; + struct ns_common *ns; int err; file = proc_ns_fget(fd); @@ -233,8 +233,8 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype) err = -EINVAL; ei = get_proc_ns(file_inode(file)); - ops = ei->ns_ops; - if (nstype && (ops->type != nstype)) + ns = ei->ns; + if (nstype && (ns->ops->type != nstype)) goto out; new_nsproxy = create_new_namespaces(0, tsk, current_user_ns(), tsk->fs); @@ -243,7 +243,7 @@ SYSCALL_DEFINE2(setns, int, fd, int, nstype) goto out; } - err = ops->install(new_nsproxy, ei->ns); + err = ns->ops->install(new_nsproxy, ns); if (err) { free_nsproxy(new_nsproxy); goto out; diff --git a/kernel/pid.c b/kernel/pid.c index 3650698cf1dc..c17a993a4d2a 100644 --- a/kernel/pid.c +++ b/kernel/pid.c @@ -80,6 +80,9 @@ struct pid_namespace init_pid_ns = { .child_reaper = &init_task, .user_ns = &init_user_ns, .ns.inum = PROC_PID_INIT_INO, +#ifdef CONFIG_PID_NS + .ns.ops = &pidns_operations, +#endif }; EXPORT_SYMBOL_GPL(init_pid_ns); diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c index 5aa9158a84d5..e1bafe3b47bb 100644 --- a/kernel/pid_namespace.c +++ b/kernel/pid_namespace.c @@ -108,6 +108,7 @@ static struct pid_namespace *create_pid_namespace(struct user_namespace *user_ns err = ns_alloc_inum(&ns->ns); if (err) goto out_free_map; + ns->ns.ops = &pidns_operations; kref_init(&ns->kref); ns->level = level; diff --git a/kernel/user.c b/kernel/user.c index a7ca84bad8e6..69b800aebf13 100644 --- a/kernel/user.c +++ b/kernel/user.c @@ -51,6 +51,9 @@ struct user_namespace init_user_ns = { .owner = GLOBAL_ROOT_UID, .group = GLOBAL_ROOT_GID, .ns.inum = PROC_USER_INIT_INO, +#ifdef CONFIG_USER_NS + .ns.ops = &userns_operations, +#endif #ifdef CONFIG_PERSISTENT_KEYRINGS .persistent_keyring_register_sem = __RWSEM_INITIALIZER(init_user_ns.persistent_keyring_register_sem), diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c index 6bf8177768e5..1491ad00388f 100644 --- a/kernel/user_namespace.c +++ b/kernel/user_namespace.c @@ -91,6 +91,7 @@ int create_user_ns(struct cred *new) kmem_cache_free(user_ns_cachep, ns); return ret; } + ns->ns.ops = &userns_operations; atomic_set(&ns->count, 1); /* Leave the new->user_ns reference with the new user namespace. */ diff --git a/kernel/utsname.c b/kernel/utsname.c index c2a2b321d88a..831ea7108232 100644 --- a/kernel/utsname.c +++ b/kernel/utsname.c @@ -48,6 +48,8 @@ static struct uts_namespace *clone_uts_ns(struct user_namespace *user_ns, return ERR_PTR(err); } + ns->ns.ops = &utsns_operations; + down_read(&uts_sem); memcpy(&ns->name, &old_ns->name, sizeof(ns->name)); ns->user_ns = get_user_ns(user_ns); |