diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c index 2489ddbb21db..3afe327f816f 100644 --- a/block/blk-mq-debugfs.c +++ b/block/blk-mq-debugfs.c @@ -934,6 +934,13 @@ void blk_mq_debugfs_register_sched(struct request_queue *q) { struct elevator_type *e = q->elevator->type; + /* + * If the parent directory has not been created yet, return, we will be + * called again later on and the directory/files will be created then. + */ + if (!q->debugfs_dir) + return; + if (!e->queue_debugfs_attrs) return;