diff options
| author | Christoph Hellwig <hch@lst.de> | 2021-07-22 09:53:57 +0200 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-08-02 13:37:28 -0600 |
| commit | 0468c5323413c6903e4cbcef841a55e6c5578cd2 (patch) | |
| tree | 4efff9ecf71aa0b930a85a03ed80648fe0e8ecf3 /block/partitions | |
| parent | d7a66574b34e0b354442140927f9b787efccabfd (diff) | |
| download | linux-0468c5323413c6903e4cbcef841a55e6c5578cd2.tar.gz | |
block: allocate bd_meta_info later in add_partitions
Move the allocation of bd_meta_info after initializing the struct device
to avoid the special bdput error handling path.
Signed-off-by: Christoph Hellwig <hch@lst.de>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20210722075402.983367-5-hch@lst.de
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/partitions')
| -rw-r--r-- | block/partitions/core.c | 17 |
1 files changed, 7 insertions, 10 deletions
diff --git a/block/partitions/core.c b/block/partitions/core.c index 9902b1635b7d..09c58a110a89 100644 --- a/block/partitions/core.c +++ b/block/partitions/core.c @@ -356,13 +356,6 @@ static struct block_device *add_partition(struct gendisk *disk, int partno, bdev->bd_start_sect = start; bdev_set_nr_sectors(bdev, len); - if (info) { - err = -ENOMEM; - bdev->bd_meta_info = kmemdup(info, sizeof(*info), GFP_KERNEL); - if (!bdev->bd_meta_info) - goto out_bdput; - } - pdev = &bdev->bd_device; dname = dev_name(ddev); if (isdigit(dname[strlen(dname) - 1])) @@ -386,6 +379,13 @@ static struct block_device *add_partition(struct gendisk *disk, int partno, } pdev->devt = devt; + if (info) { + err = -ENOMEM; + bdev->bd_meta_info = kmemdup(info, sizeof(*info), GFP_KERNEL); + if (!bdev->bd_meta_info) + goto out_put; + } + /* delay uevent until 'holders' subdir is created */ dev_set_uevent_suppress(pdev, 1); err = device_add(pdev); @@ -415,9 +415,6 @@ static struct block_device *add_partition(struct gendisk *disk, int partno, kobject_uevent(&pdev->kobj, KOBJ_ADD); return bdev; -out_bdput: - bdput(bdev); - return ERR_PTR(err); out_del: kobject_put(bdev->bd_holder_dir); device_del(pdev); |