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amiflop: add error handling support for add_disk()

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We never checked for errors on add_disk() as this function
returned void. Now that this is fixed, use the shiny new
error handling. The caller for fd_alloc_disk() deals with
the rest of the cleanup like the tag.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
Link: https://lore.kernel.org/r/20210927220302.1073499-7-mcgrof@kernel.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Luis Chamberlain 2021-09-27 15:02:54 -07:00 committed by Jens Axboe
parent 47d34aa2d2
commit a2379420c7
1 changed files with 5 additions and 2 deletions
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7
drivers/block/amiflop.c
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@ -1780,6 +1780,7 @@ static const struct blk_mq_ops amiflop_mq_ops = {
static int fd_alloc_disk(int drive, int system)
{
struct gendisk *disk;
int err;
disk = blk_mq_alloc_disk(&unit[drive].tag_set, NULL);
if (IS_ERR(disk))
@ -1798,8 +1799,10 @@ static int fd_alloc_disk(int drive, int system)
set_capacity(disk, 880 * 2);
unit[drive].gendisk[system] = disk;
add_disk(disk);
return 0;
err = add_disk(disk);
if (err)
blk_cleanup_disk(disk);
return err;
}
static int fd_alloc_drive(int drive)