Re: [PATCH] [SCSI] zfcp: NULL check before some freeing functions is not needed.

[Steffen Maier]

Thanks, this was already submitted for v4.12 with
https://www.spinics.net/lists/linux-scsi/msg125190.html
based on
https://www.spinics.net/lists/linux-s390/msg21307.html

Also, previously seen in
https://www.spinics.net/lists/linux-s390/msg22035.html

On 12/02/2018 09:52 PM, Thomas Meyer wrote:
> NULL check before some freeing functions is not needed.
>
> Signed-off-by: Thomas Meyer <thomas@xxxxxxxx>
> ---
>
> diff -u -p a/drivers/s390/scsi/zfcp_aux.c b/drivers/s390/scsi/zfcp_aux.c
> --- a/drivers/s390/scsi/zfcp_aux.c
> +++ b/drivers/s390/scsi/zfcp_aux.c
> @@ -248,20 +248,13 @@ static int zfcp_allocate_low_mem_buffers
>   
>   static void zfcp_free_low_mem_buffers(struct zfcp_adapter *adapter)
>   {
> -	if (adapter->pool.erp_req)
> -		mempool_destroy(adapter->pool.erp_req);
> -	if (adapter->pool.scsi_req)
> -		mempool_destroy(adapter->pool.scsi_req);
> -	if (adapter->pool.scsi_abort)
> -		mempool_destroy(adapter->pool.scsi_abort);
> -	if (adapter->pool.qtcb_pool)
> -		mempool_destroy(adapter->pool.qtcb_pool);
> -	if (adapter->pool.status_read_req)
> -		mempool_destroy(adapter->pool.status_read_req);
> -	if (adapter->pool.sr_data)
> -		mempool_destroy(adapter->pool.sr_data);
> -	if (adapter->pool.gid_pn)
> -		mempool_destroy(adapter->pool.gid_pn);
> +	mempool_destroy(adapter->pool.erp_req);
> +	mempool_destroy(adapter->pool.scsi_req);
> +	mempool_destroy(adapter->pool.scsi_abort);
> +	mempool_destroy(adapter->pool.qtcb_pool);
> +	mempool_destroy(adapter->pool.status_read_req);
> +	mempool_destroy(adapter->pool.sr_data);
> +	mempool_destroy(adapter->pool.gid_pn);
>   }
>   
>   /**


--
Mit freundlichen Gruessen / Kind regards
Steffen Maier

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