linux-kernel - Re: [PATCH v2 1/2] scsi: lpfc: Use kzalloc instead of kmalloc

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Date:	Mon, 23 Nov 2015 00:10:06 +0100
From:	Sebastian Herbszt <herbszt@....de>
To:	Punit Vara <punitvara@...il.com>
Cc:	JBottomley@...n.com, don.brace@...s.com, storagedev@...s.com,
	linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org,
	mrochs@...ux.vnet.ibm.com, James Smart <james.smart@...gotech.com>,
	Sebastian Herbszt <herbszt@....de>
Subject: Re: [PATCH v2 1/2] scsi: lpfc: Use kzalloc instead of kmalloc

Punit Vara wrote:
> This patch is to the lpfc_els.c which resolves following warning
> reported by coccicheck:
> 
> WARNING: kzalloc should be used for rdp_context, instead of
> kmalloc/memset
> 
> Signed-off-by: Punit Vara <punitvara@...il.com>
> ---
>  drivers/scsi/lpfc/lpfc_els.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/scsi/lpfc/lpfc_els.c b/drivers/scsi/lpfc/lpfc_els.c
> index 36bf58b..9729ab1 100644
> --- a/drivers/scsi/lpfc/lpfc_els.c
> +++ b/drivers/scsi/lpfc/lpfc_els.c
> @@ -4990,13 +4990,12 @@ lpfc_els_rcv_rdp(struct lpfc_vport *vport, struct lpfc_iocbq *cmdiocb,
>  	if (RDP_NPORT_ID_SIZE !=
>  			be32_to_cpu(rdp_req->nport_id_desc.length))
>  		goto rjt_logerr;
> -	rdp_context = kmalloc(sizeof(struct lpfc_rdp_context), GFP_KERNEL);
> +	rdp_context = kzalloc(sizeof(struct lpfc_rdp_context), GFP_KERNEL);
>  	if (!rdp_context) {
>  		rjt_err = LSRJT_UNABLE_TPC;
>  		goto error;
>  	}
>  
> -	memset(rdp_context, 0, sizeof(struct lpfc_rdp_context));
>  	cmd = &cmdiocb->iocb;
>  	rdp_context->ndlp = lpfc_nlp_get(ndlp);
>  	rdp_context->ox_id = cmd->unsli3.rcvsli3.ox_id;

Reviewed-by: Sebastian Herbszt <herbszt@....de>
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