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block: bd_start_claiming fix module refcount 

bd_start_claiming has an unbalanced module_put introduced in 6b4517a79.

Signed-off-by: Nick Piggin <npiggin@suse.de>
Acked-by: Tejun Heo <tj@kernel.org>
Signed-off-by: Jens Axboe <jaxboe@fusionio.com>
This commit is contained in:
Nick Piggin 2010-05-26 01:50:21 +10:00 committed by Jens Axboe
parent 63a07cb64c
commit cf3425707e
1 changed files with 1 additions and 0 deletions
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fs/block_dev.c
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@ -734,6 +734,7 @@ static struct block_device *bd_start_claiming(struct block_device *bdev,
return ERR_PTR(-ENXIO);
whole = bdget_disk(disk, 0);
module_put(disk->fops->owner);
put_disk(disk);
if (!whole)
return ERR_PTR(-ENOMEM);