1 files changed, 25 insertions, 0 deletions
diff --git a/drivers/media/media-request.c b/drivers/media/media-request.c
index 8d3c7360c8f3..4b0ce8fde7c9 100644
--- a/drivers/media/media-request.c
+++ b/drivers/media/media-request.c
@@ -342,6 +342,31 @@ static void media_request_object_release(struct kref *kref)
 	obj->ops->release(obj);
 }
 
+struct media_request_object *
+media_request_object_find(struct media_request *req,
+			  const struct media_request_object_ops *ops,
+			  void *priv)
+{
+	struct media_request_object *obj;
+	struct media_request_object *found = NULL;
+	unsigned long flags;
+
+	if (WARN_ON(!ops || !priv))
+		return NULL;
+
+	spin_lock_irqsave(&req->lock, flags);
+	list_for_each_entry(obj, &req->objects, list) {
+		if (obj->ops == ops && obj->priv == priv) {
+			media_request_object_get(obj);
+			found = obj;
+			break;
+		}
+	}
+	spin_unlock_irqrestore(&req->lock, flags);
+	return found;
+}
+EXPORT_SYMBOL_GPL(media_request_object_find);
+
 void media_request_object_put(struct media_request_object *obj)
 {
 	kref_put(&obj->kref, media_request_object_release);