[PATCH 6.1 0243/1146] media: exynos4-is: dont rely on the v4l2_async_subdev internals

Greg Kroah-Hartman
2022-12-28T15:30:18Z

From: Marek Szyprowski <m.szyprowski@samsung.com>

[ Upstream commit f98a5c2e1c4396488c27274ba82afc11725a4bcc ]

Commit 1f391df44607 ("media: v4l2-async: Use endpoints in
__v4l2_async_nf_add_fwnode_remote()") changed the data that is stored in
the v4l2_async_subdev internals from the fwnode pointer to the parent
device to the fwnode pointer to the matched endpoint. This broke the
sensor matching code, which relied on the particular fwnode data in the
v4l2_async_subdev internals. Fix this by simply matching the
v4l2_async_subdev pointer, which is already available there.

Reported-by: Daniel Scally <djrscally@gmail.com>
Fixes: fa91f1056f17 ("[media] exynos4-is: Add support for asynchronous subdevices registration")
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Reviewed-by: Daniel Scally <djrscally@gmail.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---
drivers/media/platform/samsung/exynos4-is/media-dev.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/media/platform/samsung/exynos4-is/media-dev.c b/drivers/media/platform/samsung/exynos4-is/media-dev.c
index 52b43ea04030..412213b0c384 100644
--- a/drivers/media/platform/samsung/exynos4-is/media-dev.c
+++ b/drivers/media/platform/samsung/exynos4-is/media-dev.c
@@ -1380,9 +1380,7 @@ static int subdev_notifier_bound(struct v4l2_async_notifier *notifier,

/* Find platform data for this sensor subdev */
for (i = 0; i < ARRAY_SIZE(fmd->sensor); i++)
- if (fmd->sensor[i].asd &&
- fmd->sensor[i].asd->match.fwnode ==
- of_fwnode_handle(subdev->dev->of_node))
+ if (fmd->sensor[i].asd == asd)
si = &fmd->sensor[i];

if (si == NULL)
--
2.35.1