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-rw-r--r--include/linux/user_namespace.h9
1 files changed, 8 insertions, 1 deletions
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h
index b3575ce29148..c18e01252346 100644
--- a/include/linux/user_namespace.h
+++ b/include/linux/user_namespace.h
@@ -112,8 +112,9 @@ extern ssize_t proc_projid_map_write(struct file *, const char __user *, size_t,
extern ssize_t proc_setgroups_write(struct file *, const char __user *, size_t, loff_t *);
extern int proc_setgroups_show(struct seq_file *m, void *v);
extern bool userns_may_setgroups(const struct user_namespace *ns);
+extern bool in_userns(const struct user_namespace *ancestor,
+ const struct user_namespace *child);
extern bool current_in_userns(const struct user_namespace *target_ns);
-
struct ns_common *ns_get_owner(struct ns_common *ns);
#else
@@ -144,6 +145,12 @@ static inline bool userns_may_setgroups(const struct user_namespace *ns)
return true;
}
+static inline bool in_userns(const struct user_namespace *ancestor,
+ const struct user_namespace *child)
+{
+ return true;
+}
+
static inline bool current_in_userns(const struct user_namespace *target_ns)
{
return true;