diff options
| author | Sakari Ailus <sakari.ailus@linux.intel.com> | 2024-05-20 10:28:20 +0300 |
|---|---|---|
| committer | Hans Verkuil <hverkuil-cisco@xs4all.nl> | 2024-06-04 08:31:24 +0200 |
| commit | 7d30b8efae814bc73541720ca188dc205cd7d2b8 (patch) | |
| tree | ef117a1cb86c7e188bb47080224745c532559932 /drivers/media/v4l2-core | |
| parent | 40431ff5a0fcd3e42a8c9c921f221944fcaba1db (diff) | |
media: async: Warn on attept to create an ancillary link to a non-subdev
Warn if a lens or a flash async sub-device is bound to a non-sub-device
notifier. This isn't meaningful and unlikely to happen in practice but
print a warning as we nevertheless won't consider this an error.
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
Diffstat (limited to 'drivers/media/v4l2-core')
| -rw-r--r-- | drivers/media/v4l2-core/v4l2-async.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/media/v4l2-core/v4l2-async.c b/drivers/media/v4l2-core/v4l2-async.c index c477723c07bf..81a9b5473969 100644 --- a/drivers/media/v4l2-core/v4l2-async.c +++ b/drivers/media/v4l2-core/v4l2-async.c @@ -323,8 +323,12 @@ static int v4l2_async_create_ancillary_links(struct v4l2_async_notifier *n, sd->entity.function != MEDIA_ENT_F_FLASH) return 0; - if (!n->sd) + if (!n->sd) { + dev_warn(notifier_dev(n), + "not a sub-device notifier, not creating an ancillary link for %s!\n", + dev_name(sd->dev)); return 0; + } link = media_create_ancillary_link(&n->sd->entity, &sd->entity); |