diff options
Diffstat (limited to 'drivers/media/v4l2-core/v4l2-async.c')
| -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); |