media: v4l: async: Register sub-devices before calling bound callback
Register the sub-device before calling the notifier's bound callback. Doing this the other way around is problematic as the struct v4l2_device has not assigned for the sub-device yet and may be required by the bound callback. Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com> Acked-by: Hans Verkuil <hans.verkuil@cisco.com> Acked-by: Pavel Machek <pavel@ucw.cz> Acked-by: Niklas Söderlund <niklas.soderlund+renesas@ragnatech.se> Reviewed-by: Sebastian Reichel <sebastian.reichel@collabora.co.uk> Signed-off-by: Mauro Carvalho Chehab <mchehab@s-opensource.com>
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@ -130,13 +130,13 @@ static int v4l2_async_match_notify(struct v4l2_async_notifier *notifier,
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{
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int ret;
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ret = v4l2_async_notifier_call_bound(notifier, sd, asd);
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ret = v4l2_device_register_subdev(notifier->v4l2_dev, sd);
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if (ret < 0)
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return ret;
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ret = v4l2_device_register_subdev(notifier->v4l2_dev, sd);
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ret = v4l2_async_notifier_call_bound(notifier, sd, asd);
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if (ret < 0) {
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v4l2_async_notifier_call_unbind(notifier, sd, asd);
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v4l2_device_unregister_subdev(sd);
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return ret;
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}
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