media: xilinx-vipp: Look for entities also in waiting_list

The big V4L2 async framework overhaul simplified linked lists used by the
V4L2 async framework. This affected a few drivers and it turns out a few
of those drivers rely on searching for entities in both async notifier's
waiting and done lists. Do that by separately traversing both.

Fixes: 9bf19fb ("media: v4l: async: Rework internal lists")
Signed-off-by: Sakari Ailus <[email protected]>
Signed-off-by: Mauro Carvalho Chehab <[email protected]>
Signed-off-by: Hans Verkuil <[email protected]>

Author: Sakari Ailus

drivers/media/platform/xilinx/xilinx-vipp.c

@@ -55,11 +55,18 @@ xvip_graph_find_entity(struct xvip_composite_device *xdev,
 {
 	struct xvip_graph_entity *entity;
 	struct v4l2_async_connection *asd;
-
-	list_for_each_entry(asd, &xdev->notifier.done_list, asc_entry) {
-		entity = to_xvip_entity(asd);
-		if (entity->asd.match.fwnode == fwnode)
-			return entity;
+	struct list_head *lists[] = {
+		&xdev->notifier.done_list,
+		&xdev->notifier.waiting_list
+	};
+	unsigned int i;
+
+	for (i = 0; i < ARRAY_SIZE(lists); i++) {
+		list_for_each_entry(asd, lists[i], asc_entry) {
+			entity = to_xvip_entity(asd);
+			if (entity->asd.match.fwnode == fwnode)
+				return entity;
+		}
 	}
 
 	return NULL;