On 04.05.2018 15:52, Peter Rosin wrote:
> The .odev owner device will be handy to have around.
>
> Signed-off-by: Peter Rosin <p...@axentia.se>
Reviewed-by: Andrzej Hajda <a.ha...@samsung.com>
--
Regards
Andrzej
> ---
> drivers/gpu/drm/drm_bridge.c | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
> index df084db33494..78d186b6831b 100644
> --- a/drivers/gpu/drm/drm_bridge.c
> +++ b/drivers/gpu/drm/drm_bridge.c
> @@ -70,6 +70,9 @@ static LIST_HEAD(bridge_list);
> */
> void drm_bridge_add(struct drm_bridge *bridge)
> {
> + if (WARN_ON(!bridge->odev))
> + return;
> +
> mutex_lock(&bridge_lock);
> list_add_tail(&bridge->list, &bridge_list);
> mutex_unlock(&bridge_lock);
> @@ -115,6 +118,9 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct
> drm_bridge *bridge,
> if (!encoder || !bridge)
> return -EINVAL;
>
> + if (WARN_ON(!bridge->odev))
> + return -EINVAL;
> +
> if (previous && (!previous->dev || previous->encoder != encoder))
> return -EINVAL;
>
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