Fix crash in drm_mode_connector_update_edid_property

We need to initialize the edid_blob_ptr to NULL when we init a connector,
otherwise drm_mode_connector_update_edid_property may think there's a valid
EDID lying around and try to destroy it, causing a crash.

diff --git a/linux-core/drm_crtc.c b/linux-core/drm_crtc.c
index 4c6afd1..7a049da 100644 (file)
--- a/linux-core/drm_crtc.c
+++ b/linux-core/drm_crtc.c
@@ -357,6 +357,7 @@ void drm_connector_init(struct drm_device *dev,
        INIT_LIST_HEAD(&connector->user_modes);
        INIT_LIST_HEAD(&connector->probed_modes);
        INIT_LIST_HEAD(&connector->modes);
+       connector->edid_blob_ptr = NULL;
        /* randr_connector? */
        /* connector_set_monitor(connector)? */
        /* check for connector_ignored(connector)? */