1001 static inline int check_mnt(struct mount *mnt)  in check_mnt()  function
2124 	if (!check_mnt(mnt))  in can_umount()
2333 	if (!check_mnt(real_mount(path->mnt)))  in collect_mounts()
2486 		if (!check_mnt(old_mnt))  in clone_private_mount()
3011 	if (check_mnt(mnt))  in may_copy_tree()
3079 	if (!check_mnt(parent))  in do_loopback()
3302 	if (!check_mnt(mnt))  in do_reconfigure_mnt()
3341 	if (!check_mnt(mnt))  in do_remount()
3560 	if (check_mnt(mnt_from) &&  in can_move_mount_beneath()
3601 	if (check_mnt(mnt))  in may_use_mount()
3648 	if (!(attached ? check_mnt(old) : is_anon_ns(ns)))  in do_move_mount()
3767 	if (unlikely(!check_mnt(parent))) {  in do_add_mount()
4779 	if (!check_mnt(root_mnt) || !check_mnt(new_mnt))  in SYSCALL_DEFINE2()
5045 	if ((mnt_has_parent(mnt) || !is_anon_ns(mnt->mnt_ns)) && !check_mnt(mnt))  in do_mount_setattr()
6286 	return check_mnt(real_mount(mnt));  in our_mnt()
6409 	return !(mnt->mnt_flags & MNT_NOSUID) && check_mnt(real_mount(mnt)) &&  in mnt_may_suid()