1 files changed, 0 insertions, 2 deletions

diff --git a/kernel/pid_namespace.c b/kernel/pid_namespace.c
index f78fc48c86bc..68508d330634 100644
--- a/kernel/pid_namespace.c
+++ b/kernel/pid_namespace.c
@@ -144,8 +144,6 @@ struct pid_namespace *copy_pid_ns(unsigned long flags,
 {
         if (!(flags & CLONE_NEWPID))
                 return get_pid_ns(old_ns);
-        if (flags & (CLONE_THREAD|CLONE_PARENT))
-                return ERR_PTR(-EINVAL);
         if (task_active_pid_ns(current) != old_ns)
                 return ERR_PTR(-EINVAL);
         return create_pid_namespace(user_ns, old_ns);