bch_uuid_write(dc->disk.c);
}
env = kzalloc(sizeof(struct kobj_uevent_env), GFP_KERNEL);
+ if (!env)
+ return -ENOMEM;
add_uevent_var(env, "DRIVER=bcache");
add_uevent_var(env, "CACHED_UUID=%pU", dc->sb.uuid),
add_uevent_var(env, "CACHED_LABEL=%s", buf);