43 	struct kernfs_node *parent, *kn;  in sysfs_create_dir_ns()  local
55 	kn = kernfs_create_dir_ns(parent, kobject_name(kobj),  in sysfs_create_dir_ns()
57 	if (IS_ERR(kn)) {  in sysfs_create_dir_ns()
58 		if (PTR_ERR(kn) == -EEXIST)  in sysfs_create_dir_ns()
60 		return PTR_ERR(kn);  in sysfs_create_dir_ns()
63 	kobj->sd = kn;  in sysfs_create_dir_ns()
77 	struct kernfs_node *kn = kobj->sd;  in sysfs_remove_dir()  local
95 	if (kn) {  in sysfs_remove_dir()
96 		WARN_ON_ONCE(kernfs_type(kn) != KERNFS_DIR);  in sysfs_remove_dir()
97 		kernfs_remove(kn);  in sysfs_remove_dir()
116 	struct kernfs_node *kn = kobj->sd;  in sysfs_move_dir_ns()  local
122 	return kernfs_rename_ns(kn, new_parent, kn->name, new_ns);  in sysfs_move_dir_ns()
132 	struct kernfs_node *kn, *parent = parent_kobj->sd;  in sysfs_create_mount_point()  local
134 	kn = kernfs_create_empty_dir(parent, name);  in sysfs_create_mount_point()
135 	if (IS_ERR(kn)) {  in sysfs_create_mount_point()
136 		if (PTR_ERR(kn) == -EEXIST)  in sysfs_create_mount_point()
138 		return PTR_ERR(kn);  in sysfs_create_mount_point()