- if (idr_get_new(&hwmon_idr, NULL, &id) < 0)
- return ERR_PTR(-ENOMEM);
+ spin_lock(&idr_lock);
+ err = idr_get_new(&hwmon_idr, NULL, &id);
+ spin_unlock(&idr_lock);
+
+ if (unlikely(err == -EAGAIN))
+ goto again;
+ else if (unlikely(err))
+ return ERR_PTR(err);