Commit 30c1886a authored Sep 29, 2023 by Sakari Ailus Committed by Hans Verkuil Oct 11, 2023

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: 9bf19fbf ("media: v4l: async: Rework internal lists")
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@kernel.org>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>

parent 4800021c

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

+12 −5

Original line number	Diff line number	Diff line
		@@ -55,12 +55,19 @@ xvip_graph_find_entity(struct xvip_composite_device *xdev,
		{
		struct xvip_graph_entity *entity;
		struct v4l2_async_connection *asd;
		struct list_head *lists[] = {
		&xdev->notifier.done_list,
		&xdev->notifier.waiting_list
		};
		unsigned int i;

		list_for_each_entry(asd, &xdev->notifier.done_list, asc_entry) {
		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;
		}