Ping.

Any comment is appreciate.

Thanks
Minfei

On 11/27/15 at 09:26pm, Minfei Huang wrote:
> To make consistent of null block list, we should remove enqueued null
> block from the list before freeing it.
> 
> Signed-off-by: Minfei Huang <mnfhu...@gmail.com>
> ---
>  drivers/block/null_blk.c | 6 +++++-
>  1 file changed, 5 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
> index ec99568..729ecd7 100644
> --- a/drivers/block/null_blk.c
> +++ b/drivers/block/null_blk.c
> @@ -738,7 +738,7 @@ static int null_add_dev(void)
>               rv = nvm_register(nullb->q, nullb->disk_name,
>                                                       &null_lnvm_dev_ops);
>               if (rv)
> -                     goto out_cleanup_blk_queue;
> +                     goto out_cleanup_blk_list;
>               goto done;
>       }
>  
> @@ -765,6 +765,10 @@ done:
>  out_cleanup_lightnvm:
>       if (use_lightnvm)
>               nvm_unregister(nullb->disk_name);
> +out_cleanup_blk_list:
> +     mutex_lock(&lock);
> +     list_del_init(&nullb->list);
> +     mutex_unlock(&lock);
>  out_cleanup_blk_queue:
>       blk_cleanup_queue(nullb->q);
>  out_cleanup_tags:
> -- 
> 1.8.3.1
> 
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