diff --git a/block/blk-sysfs.c b/block/blk-sysfs.c
index 9272452ff456da..4a6a40ffd78e74 100644
--- a/block/blk-sysfs.c
+++ b/block/blk-sysfs.c
@@ -921,6 +921,7 @@ int blk_register_queue(struct gendisk *disk)
 	mutex_unlock(&q->sysfs_lock);
 	return ret;
 }
+EXPORT_SYMBOL_GPL(blk_register_queue);
 
 void blk_unregister_queue(struct gendisk *disk)
 {
@@ -929,6 +930,10 @@ void blk_unregister_queue(struct gendisk *disk)
 	if (WARN_ON(!q))
 		return;
 
+	/* Return early if disk->queue was never registered. */
+	if (!test_bit(QUEUE_FLAG_REGISTERED, &q->queue_flags))
+		return;
+
 	/*
 	 * Protect against the 'queue' kobj being accessed
 	 * while/after it is removed.
diff --git a/block/genhd.c b/block/genhd.c
index 00620e01e043a0..88a53c188cb733 100644
--- a/block/genhd.c
+++ b/block/genhd.c
@@ -629,16 +629,18 @@ static void register_disk(struct device *parent, struct gendisk *disk)
 }
 
 /**
- * device_add_disk - add partitioning information to kernel list
+ * __device_add_disk - add disk information to kernel list
  * @parent: parent device for the disk
  * @disk: per-device partitioning information
+ * @register_queue: register the queue if set to true
  *
  * This function registers the partitioning information in @disk
  * with the kernel.
  *
  * FIXME: error handling
  */
-void device_add_disk(struct device *parent, struct gendisk *disk)
+static void __device_add_disk(struct device *parent, struct gendisk *disk,
+			      bool register_queue)
 {
 	dev_t devt;
 	int retval;
@@ -682,7 +684,8 @@ void device_add_disk(struct device *parent, struct gendisk *disk)
 				    exact_match, exact_lock, disk);
 	}
 	register_disk(parent, disk);
-	blk_register_queue(disk);
+	if (register_queue)
+		blk_register_queue(disk);
 
 	/*
 	 * Take an extra ref on queue which will be put on disk_release()
@@ -693,8 +696,19 @@ void device_add_disk(struct device *parent, struct gendisk *disk)
 	disk_add_events(disk);
 	blk_integrity_add(disk);
 }
+
+void device_add_disk(struct device *parent, struct gendisk *disk)
+{
+	__device_add_disk(parent, disk, true);
+}
 EXPORT_SYMBOL(device_add_disk);
 
+void device_add_disk_no_queue_reg(struct device *parent, struct gendisk *disk)
+{
+	__device_add_disk(parent, disk, false);
+}
+EXPORT_SYMBOL(device_add_disk_no_queue_reg);
+
 void del_gendisk(struct gendisk *disk)
 {
 	struct disk_part_iter piter;
diff --git a/include/linux/genhd.h b/include/linux/genhd.h
index 5144ebe046c97a..5e3531027b5113 100644
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@@ -395,6 +395,11 @@ static inline void add_disk(struct gendisk *disk)
 {
 	device_add_disk(NULL, disk);
 }
+extern void device_add_disk_no_queue_reg(struct device *parent, struct gendisk *disk);
+static inline void add_disk_no_queue_reg(struct gendisk *disk)
+{
+	device_add_disk_no_queue_reg(NULL, disk);
+}
 
 extern void del_gendisk(struct gendisk *gp);
 extern struct gendisk *get_gendisk(dev_t dev, int *partno);