cifsd: return zero in always success case

[linux-2.6-microblaze.git] / block / blk-mq-debugfs.c

diff --git a/block/blk-mq-debugfs.c b/block/blk-mq-debugfs.c
index 271f659..2a75bc7 100644 (file)
--- a/block/blk-mq-debugfs.c
+++ b/block/blk-mq-debugfs.c
@@ -972,6 +972,14 @@ void blk_mq_debugfs_register_sched_hctx(struct request_queue *q,
 {
        struct elevator_type *e = q->elevator->type;
 
+       /*
+        * If the parent debugfs directory has not been created yet, return;
+        * We will be called again later on with appropriate parent debugfs
+        * directory from blk_register_queue()
+        */
+       if (!hctx->debugfs_dir)
+               return;
+
        if (!e->hctx_debugfs_attrs)
                return;