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pktcdvd: convert to blk_alloc_disk/blk_cleanup_disk

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Convert the pktcdvd driver to use the blk_alloc_disk and blk_cleanup_disk
helpers to simplify gendisk and request_queue allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Ulf Hansson <ulf.hansson@linaro.org>
Link: https://lore.kernel.org/r/20210521055116.1053587-9-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Christoph Hellwig 2021-05-21 07:50:58 +02:00 committed by Jens Axboe
parent b647ad0248
commit 4441348452
1 changed files with 4 additions and 7 deletions
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11
drivers/block/pktcdvd.c
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@ -2711,19 +2711,17 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
pd->write_congestion_off = write_congestion_off;
ret = -ENOMEM;
disk = alloc_disk(1);
disk = blk_alloc_disk(NUMA_NO_NODE);
if (!disk)
goto out_mem;
pd->disk = disk;
disk->major = pktdev_major;
disk->first_minor = idx;
disk->minors = 1;
disk->fops = &pktcdvd_ops;
disk->flags = GENHD_FL_REMOVABLE;
strcpy(disk->disk_name, pd->name);
disk->private_data = pd;
disk->queue = blk_alloc_queue(NUMA_NO_NODE);
if (!disk->queue)
goto out_mem2;
pd->pkt_dev = MKDEV(pktdev_major, idx);
ret = pkt_new_dev(pd, dev);
@ -2746,7 +2744,7 @@ static int pkt_setup_dev(dev_t dev, dev_t* pkt_dev)
return 0;
out_mem2:
put_disk(disk);
blk_cleanup_disk(disk);
out_mem:
mempool_exit(&pd->rb_pool);
kfree(pd);
@ -2796,8 +2794,7 @@ static int pkt_remove_dev(dev_t pkt_dev)
pkt_dbg(1, pd, "writer unmapped\n");
del_gendisk(pd->disk);
blk_cleanup_queue(pd->disk->queue);
put_disk(pd->disk);
blk_cleanup_disk(pd->disk);
mempool_exit(&pd->rb_pool);
kfree(pd);