From d352f352a377750e5b555e3b6329e0db7a6e8aea Mon Sep 17 00:00:00 2001 From: Chris Wilson Date: Thu, 19 Jan 2017 09:05:13 +0000 Subject: [PATCH] drm: Show leaked connectors upon unload 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 Reviewed-by: Joonas Lahtinen Signed-off-by: Daniel Vetter Link: http://patchwork.freedesktop.org/patch/msgid/20170119090513.4154-1-chris@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) { -- 2.20.1