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swim: fix cleanup on setup error

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If we fail to allocate the request queue for a disk, we still need to
free that disk, not just the previous ones. Additionally, we need to
cleanup the previous request queues.

Signed-off-by: Omar Sandoval <osandov@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Omar Sandoval 2018-10-11 12:20:41 -07:00 committed by Jens Axboe
parent 891b7c5fbf
commit 1448a2a536
1 changed files with 11 additions and 2 deletions
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13
drivers/block/swim.c
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@ -887,8 +887,17 @@ static int swim_floppy_init(struct swim_priv *swd)
exit_put_disks:
unregister_blkdev(FLOPPY_MAJOR, "fd");
while (drive--)
put_disk(swd->unit[drive].disk);
do {
struct gendisk *disk = swd->unit[drive].disk;
if (disk) {
if (disk->queue) {
blk_cleanup_queue(disk->queue);
disk->queue = NULL;
}
put_disk(disk);
}
} while (drive--);
return err;
}