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drm: Show leaked connectors upon unload

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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 <chris@chris-wilson.co.uk>
Reviewed-by: Joonas Lahtinen <joonas.lahtinen@linux.intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Link: http://patchwork.freedesktop.org/patch/msgid/20170119090513.4154-1-chris@chris-wilson.co.uk
This commit is contained in:
Chris Wilson 2017-01-19 09:05:13 +00:00 committed by Daniel Vetter
parent 717c8ae7aa
commit d352f352a3
1 changed files with 6 additions and 1 deletions
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7
drivers/gpu/drm/drm_mode_config.c
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@ -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) {