[PATCH 23/24] drm/bridge: require the .owner to be filled in on drm_bridge_attach

[Peter Rosin]

The .owner will be handy to have around.

Signed-off-by: Peter Rosin <p...@axentia.se>
---
 drivers/gpu/drm/drm_bridge.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/gpu/drm/drm_bridge.c b/drivers/gpu/drm/drm_bridge.c
index 9f023bd84d56..a038da696802 100644
--- a/drivers/gpu/drm/drm_bridge.c
+++ b/drivers/gpu/drm/drm_bridge.c
@@ -115,6 +115,9 @@ int drm_bridge_attach(struct drm_encoder *encoder, struct 
drm_bridge *bridge,
        if (!encoder || !bridge)
                return -EINVAL;
 
+       if (WARN_ON(!bridge->owner))
+               return -EINVAL;
+
        if (previous && (!previous->dev || previous->encoder != encoder))
                return -EINVAL;
 
-- 
2.11.0