# \[PATCH 21/26\] n64cart: convert to blk\_alloc\_disk

- From: Christoph Hellwig \<hch@lst.de\>
- Date: 2021-05-21 05:53:00 
- List: linux-raid
- Page: https://ratatoskr.run/linux-raid/2021/05/6402828
- Thread: https://ratatoskr.run/linux-block/2021/05/6402806/t.md

```text
Convert the n64cart driver to use the blk_alloc_disk helper to simplify
gendisk and request_queue allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/n64cart.c | 6 +-----
 1 file changed, 1 insertion(+), 5 deletions(-)

diff --git a/drivers/block/n64cart.c b/drivers/block/n64cart.c
index 3dae4b631dea..7b4dd10af9ec 100644
--- a/drivers/block/n64cart.c
+++ b/drivers/block/n64cart.c
@@ -132,14 +132,10 @@ static int __init n64cart_probe(struct platform_device *pdev)
 	if (!reg_base)
 		return -EINVAL;
 
-	disk = alloc_disk(0);
+	disk = blk_alloc_disk(NUMA_NO_NODE);
 	if (!disk)
 		return -ENOMEM;
 
-	disk->queue = blk_alloc_queue(NUMA_NO_NODE);
-	if (!disk->queue)
-		return -ENOMEM;
-
 	disk->first_minor = 0;
 	disk->flags = GENHD_FL_NO_PART_SCAN;
 	disk->fops = &n64cart_fops;
-- 
2.30.2

```