After warning that the connector list is not empty on device
unregistration (i.e. module unload) also print out which connectors are
still hanging around to aide finding the leak.
Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>
---
drivers/gpu/drm/drm_mode_config.c | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/drivers/gpu/drm/drm_mode_config.c
b/drivers/gpu/drm/drm_mode_config.c
index ed1ee5a44a7b..884cc4d26fb5 100644
--- a/drivers/gpu/drm/drm_mode_config.c
+++ b/drivers/gpu/drm/drm_mode_config.c
@@ -421,7 +421,12 @@ void drm_mode_config_cleanup(struct drm_device *dev)
drm_connector_unreference(connector);
}
drm_connector_list_iter_put(&conn_iter);
- WARN_ON(!list_empty(&dev->mode_config.connector_list));
+ if (WARN_ON(!list_empty(&dev->mode_config.connector_list))) {
+ drm_connector_list_iter_get(dev, &conn_iter);
+ drm_for_each_connector_iter(connector, &conn_iter)
+ DRM_ERROR("connector %s leaked!\n", connector->name);
+ drm_connector_list_iter_put(&conn_iter);
+ }
list_for_each_entry_safe(property, pt, &dev->mode_config.property_list,
head) {
--
2.11.0
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