Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 23.128.96.18 as permitted sender) client-ip=23.128.96.18;
Subject: Re: [PATCH] scsi: qla2xxx: Remove unnecessary call to memset
To:     Nilesh Javali <njavali@marvell.com>,
        GR-QLogic-Storage-Upstream@marvell.com,
        "James E.J. Bottomley" <jejb@linux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@oracle.com>,
        linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org
References: <20200820185149.932178-1-alex.dewar90@gmail.com>
From:   Alex Dewar <alex.dewar90@gmail.com>
Message-ID: <c6f52893-6fa4-f5f8-42a8-9a2482f16c45@gmail.com>
Date:   Mon, 24 Aug 2020 22:42:47 +0100
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101
 Thunderbird/68.11.0
MIME-Version: 1.0
In-Reply-To: <20200820185149.932178-1-alex.dewar90@gmail.com>
Content-Type: text/plain; charset=utf-8; format=flowed
Content-Transfer-Encoding: 7bit
Content-Language: en-US
Sender: linux-kernel-owner@vger.kernel.org
Precedence: bulk

On 2020-08-20 19:51, Alex Dewar wrote:
> In qla25xx_set_els_cmds_supported(), a call is made to
> dma_alloc_coherent() followed by zeroing the memory with memset. This is
> unnecessary as dma_alloc_coherent() already zeros memory. Remove.
>
> Issue identified with Coccinelle.
>
> Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Gentle ping?
> ---
>   drivers/scsi/qla2xxx/qla_mbx.c | 2 --
>   1 file changed, 2 deletions(-)
>
> diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
> index 226f1428d3e5..e00f604bbf7a 100644
> --- a/drivers/scsi/qla2xxx/qla_mbx.c
> +++ b/drivers/scsi/qla2xxx/qla_mbx.c
> @@ -4925,8 +4925,6 @@ qla25xx_set_els_cmds_supported(scsi_qla_host_t *vha)
>   		return QLA_MEMORY_ALLOC_FAILED;
>   	}
>   
> -	memset(els_cmd_map, 0, ELS_CMD_MAP_SIZE);
> -
>   	/* List of Purex ELS */
>   	cmd_opcode[0] = ELS_FPIN;
>   	cmd_opcode[1] = ELS_RDP;