Re: [PATCH] scsi: lpfc: lpfc_init: use kcalloc for allocating memory

[Joe Perches]

On Tue, 2014-04-08 at 22:44 +0300, Matei Oprea wrote:
> It's easier to use kcalloc for allocating arrays. While at it
> also remove useless casting value.
> 
> Signed-off-by: Matei Oprea <eu@xxxxxxxxxxxxx>
> Cc: ROSEdu Kernel Community <firefly@xxxxxxxxxxxxxxxx>
> ---
>  drivers/scsi/lpfc/lpfc_init.c | 10 +++++-----
>  1 file changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/drivers/scsi/lpfc/lpfc_init.c b/drivers/scsi/lpfc/lpfc_init.c
> index 635eeb3..e286909 100644
> --- a/drivers/scsi/lpfc/lpfc_init.c
> +++ b/drivers/scsi/lpfc/lpfc_init.c
> @@ -4742,12 +4742,12 @@ lpfc_sli_driver_resource_setup(struct lpfc_hba *phba)
>  			phba->cfg_sg_seg_cnt = LPFC_DEFAULT_MENLO_SG_SEG_CNT;
>  	}
>  
> -	if (!phba->sli.ring)
> -		phba->sli.ring = (struct lpfc_sli_ring *)
> -			kzalloc(LPFC_SLI3_MAX_RING *
> -			sizeof(struct lpfc_sli_ring), GFP_KERNEL);
> -	if (!phba->sli.ring)
> +	if (!phba->sli.ring) {
> +		phba->sli.ring = kcalloc(LPFC_SLI3_MAX_RING,
> +				sizeof(struct lpfc_sli_ring),
> +				GFP_KERNEL);
>  		return -ENOMEM;
> +	}

You seem to be returning -ENOMEM after kcalloc.

You need to put back the

	if (!phba->sli.ring)
		return -ENOMEM;

after the alloc.


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