The .odev owner device will be handy to have around.
Signed-off-by: Peter Rosin <peda@xxxxxxxxxx>
---
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;
--
2.11.0
--
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