linux-master/kernel/user_namespace.c

606 	struct user_namespace *lower_ns;
609 	lower_ns = seq_user_ns(seq);
610 	if ((lower_ns == ns) && lower_ns->parent)
611 		lower_ns = lower_ns->parent;
613 	lower = from_kuid(lower_ns, KUIDT_INIT(extent->lower_first));
627 	struct user_namespace *lower_ns;
630 	lower_ns = seq_user_ns(seq);
631 	if ((lower_ns == ns) && lower_ns->parent)
632 		lower_ns = lower_ns->parent;
634 	lower = from_kgid(lower_ns, KGIDT_INIT(extent->lower_first));
648 	struct user_namespace *lower_ns;
651 	lower_ns = seq_user_ns(seq);
652 	if ((lower_ns == ns) && lower_ns->parent)
653 		lower_ns = lower_ns->parent;
655 	lower = from_kprojid(lower_ns, KPROJIDT_INIT(extent->lower_first));