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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 <[email protected]>
Signed-off-by: Luis Chamberlain <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Jens Axboe <[email protected]>
This commit is contained in:
Luis Chamberlain authored and Jens Axboe committed 2021-11-04 05:48:50 -06:00
1 parent 26e06f5b13
commit 46a7db492e
1 file changed
+12 -6
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drivers/block/ataflop.c
+12 -6
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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)