diff options
Diffstat (limited to 'kernel/user_namespace.c')
| -rw-r--r-- | kernel/user_namespace.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c index a9460774e77d..ce92f7e6290a 100644 --- a/kernel/user_namespace.c +++ b/kernel/user_namespace.c @@ -82,6 +82,21 @@ int create_user_ns(struct cred *new) return 0; } +int unshare_userns(unsigned long unshare_flags, struct cred **new_cred) +{ + struct cred *cred; + + if (!(unshare_flags & CLONE_NEWUSER)) + return 0; + + cred = prepare_creds(); + if (!cred) + return -ENOMEM; + + *new_cred = cred; + return create_user_ns(cred); +} + void free_user_ns(struct kref *kref) { struct user_namespace *parent, *ns = |