mtd: blktrans: do blk_cleanup_queue when it is really safe to do so
I was calling it in del_mtd_blktrans_dev, but ->request_fn could
still be running at that point, thus defer this call
to blktrans_dev_release
Signed-off-by: Maxim Levitsky <maximlevitsky@gmail.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/drivers/mtd/mtd_blkdevs.c b/drivers/mtd/mtd_blkdevs.c
index e32c49c..03e19c1 100644
--- a/drivers/mtd/mtd_blkdevs.c
+++ b/drivers/mtd/mtd_blkdevs.c
@@ -32,6 +32,7 @@
container_of(kref, struct mtd_blktrans_dev, ref);
dev->disk->private_data = NULL;
+ blk_cleanup_queue(dev->rq);
put_disk(dev->disk);
list_del(&dev->list);
kfree(dev);
@@ -423,7 +424,6 @@
old->rq->queuedata = NULL;
blk_start_queue(old->rq);
spin_unlock_irqrestore(&old->queue_lock, flags);
- blk_cleanup_queue(old->rq);
/* Ask trans driver for release to the mtd device */
mutex_lock(&old->lock);