diff options
Diffstat (limited to 'include/linux/user_namespace.h')
| -rw-r--r-- | include/linux/user_namespace.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/include/linux/user_namespace.h b/include/linux/user_namespace.h index 92a45867ecfb..bb320573bb9e 100644 --- a/include/linux/user_namespace.h +++ b/include/linux/user_namespace.h @@ -4,6 +4,7 @@ #include <linux/kref.h> #include <linux/nsproxy.h> #include <linux/sched.h> +#include <linux/err.h> #define UIDHASH_BITS (CONFIG_BASE_SMALL ? 3 : 8) #define UIDHASH_SZ (1 << UIDHASH_BITS) @@ -45,6 +46,9 @@ static inline struct user_namespace *get_user_ns(struct user_namespace *ns) static inline struct user_namespace *copy_user_ns(int flags, struct user_namespace *old_ns) { + if (flags & CLONE_NEWUSER) + return ERR_PTR(-EINVAL); + return NULL; } |