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[28/30] amiflop: use blk_mq_alloc_disk and blk_cleanup_disk

Message ID 20210602065345.355274-29-hch@lst.de
State Not Applicable
Headers show
Series [01/30] blk-mq: factor out a blk_mq_alloc_sq_tag_set helper | expand

Commit Message

Christoph Hellwig June 2, 2021, 6:53 a.m. UTC 
Use blk_mq_alloc_disk and blk_cleanup_disk to simplify the gendisk and
request_queue allocation.

Signed-off-by: Christoph Hellwig <hch@lst.de>
---
 drivers/block/amiflop.c | 16 ++++------------
 1 file changed, 4 insertions(+), 12 deletions(-)
diff mbox series

Patch

diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 9e2d0c6a3877..8b1714021498 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1781,15 +1781,13 @@  static int fd_alloc_disk(int drive, int system)
 {
 	struct gendisk *disk;
 
-	disk = alloc_disk(1);
-	if (!disk)
-		goto out;
-	disk->queue = blk_mq_init_queue(&unit[drive].tag_set);
-	if (IS_ERR(disk->queue))
-		goto out_put_disk;
+	disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL);
+	if (IS_ERR(disk))
+		return PTR_ERR(disk);
 
 	disk->major = FLOPPY_MAJOR;
 	disk->first_minor = drive + system;
+	disk->minors = 1;
 	disk->fops = &floppy_fops;
 	disk->events = DISK_EVENT_MEDIA_CHANGE;
 	if (system)
@@ -1802,12 +1800,6 @@  static int fd_alloc_disk(int drive, int system)
 	unit[drive].gendisk[system] = disk;
 	add_disk(disk);
 	return 0;
-
-out_put_disk:
-	disk->queue = NULL;
-	put_disk(disk);
-out:
-	return -ENOMEM;
 }
 
 static int fd_alloc_drive(int drive)