diff options
Diffstat (limited to 'include')
| -rw-r--r-- | include/linux/proc_ns.h | 1 | ||||
| -rw-r--r-- | include/linux/user_namespace.h | 7 |
2 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/proc_ns.h b/include/linux/proc_ns.h index de0e7719d4c5..ca85a4348ffc 100644 --- a/include/linux/proc_ns.h +++ b/include/linux/proc_ns.h @@ -18,6 +18,7 @@ struct proc_ns_operations { struct ns_common *(*get)(struct task_struct *task); void (*put)(struct ns_common *ns); int (*install)(struct nsproxy *nsproxy, struct ns_common *ns); + struct user_namespace *(*owner)(struct ns_common *ns); }; extern const struct proc_ns_operations netns_operations; diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index 9217169c64cb..190cf0760815 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -73,6 +73,8 @@ extern ssize_t proc_setgroups_write(struct file *, const char __user *, size_t, extern int proc_setgroups_show(struct seq_file *m, void *v); extern bool userns_may_setgroups(const struct user_namespace *ns); extern bool current_in_userns(const struct user_namespace *target_ns); + +struct ns_common *ns_get_owner(struct ns_common *ns); #else static inline struct user_namespace *get_user_ns(struct user_namespace *ns) @@ -106,6 +108,11 @@ static inline bool current_in_userns(const struct user_namespace *target_ns) { return true; } + +static inline struct ns_common *ns_get_owner(struct ns_common *ns) +{ + return ERR_PTR(-EPERM); +} #endif #endif /* _LINUX_USER_H */ |