Re: [Xen-devel] [PATCH] blkfront: don't put bdev right after getting it

[Konrad Rzeszutek Wilk <konrad@xxxxxxxxxx>]

On Thu, Feb 16, 2012 at 01:16:25PM +0100, Andrew Jones wrote:
> We should hang onto bdev until we're done with it.

Looks ok. Is there a BZ that sparked this? Thanks.
> 
> Signed-off-by: Andrew Jones <drjones@xxxxxxxxxx>
> ---
>  drivers/block/xen-blkfront.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
> 
> diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
> index 2f22874..5d45688 100644
> --- a/drivers/block/xen-blkfront.c
> +++ b/drivers/block/xen-blkfront.c
> @@ -1410,7 +1410,6 @@ static int blkif_release(struct gendisk *disk, fmode_t 
> mode)
>       mutex_lock(&blkfront_mutex);
>  
>       bdev = bdget_disk(disk, 0);
> -     bdput(bdev);
>  
>       if (bdev->bd_openers)
>               goto out;
> @@ -1441,6 +1440,7 @@ static int blkif_release(struct gendisk *disk, fmode_t 
> mode)
>       }
>  
>  out:
> +     bdput(bdev);
>       mutex_unlock(&blkfront_mutex);
>       return 0;
>  }
> -- 
> 1.7.7.5
> 
> 
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