diff options
Diffstat (limited to 'fs/nsfs.c')
| -rw-r--r-- | fs/nsfs.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/nsfs.c b/fs/nsfs.c index 3887da470f7e..fb7b397a1297 100644 --- a/fs/nsfs.c +++ b/fs/nsfs.c @@ -171,6 +171,10 @@ static long ns_ioctl(struct file *filp, unsigned int ioctl, switch (ioctl) { case NS_GET_USERNS: return open_related_ns(ns, ns_get_owner); + case NS_GET_PARENT: + if (!ns->ops->get_parent) + return -EINVAL; + return open_related_ns(ns, ns->ops->get_parent); default: return -ENOTTY; } |