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ataflop: address add_disk() error handling on probe

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We need to cleanup resources on the probe() callback registered
with __register_blkdev(), now that add_disk() error handling is
supported. Address this.

Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20211103230437.1639990-13-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Luis Chamberlain 2021-11-03 16:04:35 -07:00 committed by Jens Axboe
parent 26e06f5b13
commit 46a7db492e
1 changed files with 12 additions and 6 deletions
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18
drivers/block/ataflop.c
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@ -2018,12 +2018,18 @@ static void ataflop_probe(dev_t dev)
if (drive >= FD_MAX_UNITS || type >= NUM_DISK_MINORS)
return;
if (!unit[drive].disk[type]) {
if (ataflop_alloc_disk(drive, type) == 0) {
add_disk(unit[drive].disk[type]);
unit[drive].registered[type] = true;
}
}
if (unit[drive].disk[type])
return
if (ataflop_alloc_disk(drive, type))
return;
if (add_disk(unit[drive].disk[type]))
goto cleanup_disk;
unit[drive].registered[type] = true;
return;
cleanup_disk:
blk_cleanup_disk(unit[drive].disk[type]);
unit[drive].disk[type] = NULL;
}
static void atari_floppy_cleanup(void)