diff --git a/drivers/dibs/dibs_main.c b/drivers/dibs/dibs_main.c
index 14c3e2d84902..4c26fd06973f 100644
--- a/drivers/dibs/dibs_main.c
+++ b/drivers/dibs/dibs_main.c
@@ -138,6 +138,7 @@ struct dibs_dev *dibs_dev_alloc(void)
 	dibs = kzalloc_obj(*dibs);
 	if (!dibs)
 		return dibs;
+	spin_lock_init(&dibs->lock);
 	dibs->dev.release = dibs_dev_release;
 	dibs->dev.class = &dibs_class;
 	device_initialize(&dibs->dev);
@@ -186,7 +187,6 @@ int dibs_dev_add(struct dibs_dev *dibs)
 	int i, ret;
 
 	max_dmbs = dibs->ops->max_dmbs();
-	spin_lock_init(&dibs->lock);
 	dibs->dmb_clientid_arr = kzalloc(max_dmbs, GFP_KERNEL);
 	if (!dibs->dmb_clientid_arr)
 		return -ENOMEM;
diff --git a/include/linux/dibs.h b/include/linux/dibs.h
index c75607f8a5cf..d3e0777f25ae 100644
--- a/include/linux/dibs.h
+++ b/include/linux/dibs.h
@@ -439,7 +439,7 @@ static inline void *dibs_get_priv(struct dibs_dev *dev,
 /**
  * dibs_dev_alloc() - allocate and reference device structure
  *
- * The following fields will be valid upon successful return: dev
+ * The following fields will be valid upon successful return: dev, lock
  * NOTE: Use put_device(dibs_get_dev(@dibs)) to give up your reference instead
  * of freeing @dibs @dev directly once you have successfully called this
  * function.