1 files changed, 8 insertions, 1 deletions

diff --git a/block/blk-core.c b/block/blk-core.c
index 20d69f6beb6b..15de223c7f93 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -366,7 +366,14 @@ void blk_drain_queue(struct request_queue *q, bool drain_all)
                 if (drain_all)
                         blk_throtl_drain(q);
 
-                __blk_run_queue(q);
+                /*
+                 * This function might be called on a queue which failed
+                 * driver init after queue creation.  Some drivers
+                 * (e.g. fd) get unhappy in such cases.  Kick queue iff
+                 * dispatch queue has something on it.
+                 */
+                if (!list_empty(&q->queue_head))
+                        __blk_run_queue(q);
 
                 if (drain_all)
                         nr_rqs = q->rq.count[0] + q->rq.count[1];