RE: [PATCH] scsi: storvsc: Prefer kcalloc over kzalloc with multiply

[KY Srinivasan]

> -----Original Message-----
> From: Miguel Bernal Marin [mailto:miguel.bernal.marin@xxxxxxxxxxxxxxx]
> Sent: Wednesday, March 15, 2017 11:58 PM
> To: KY Srinivasan <kys@xxxxxxxxxxxxx>; Martin K. Petersen
> <martin.petersen@xxxxxxxxxx>
> Cc: linux-kernel@xxxxxxxxxxxxxxx; linux-scsi@xxxxxxxxxxxxxxx;
> devel@xxxxxxxxxxxxxxxxxxxxxx; Haiyang Zhang <haiyangz@xxxxxxxxxxxxx>;
> Stephen Hemminger <sthemmin@xxxxxxxxxxxxx>; James E.J. Bottomley
> <jejb@xxxxxxxxxxxxxxxxxx>
> Subject: [PATCH] scsi: storvsc: Prefer kcalloc over kzalloc with multiply
> 
> Use kcalloc for allocating an array instead of kzalloc with multiply,
> kcalloc is the preferred API.
> 
> Found with checkpatch.
> 
> Signed-off-by: Miguel Bernal Marin <miguel.bernal.marin@xxxxxxxxxxxxxxx>
Reviewed-by:  K. Y. Srinivasan <kys@xxxxxxxxxxxxx>


> ---
>  drivers/scsi/storvsc_drv.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/scsi/storvsc_drv.c b/drivers/scsi/storvsc_drv.c
> index 638e5f427c90..3d70d1cf49a3 100644
> --- a/drivers/scsi/storvsc_drv.c
> +++ b/drivers/scsi/storvsc_drv.c
> @@ -866,7 +866,7 @@ static int storvsc_channel_init(struct hv_device
> *device, bool is_fc)
>  	 * We will however populate all the slots to evenly distribute
>  	 * the load.
>  	 */
> -	stor_device->stor_chns = kzalloc(sizeof(void *) *
> num_possible_cpus(),
> +	stor_device->stor_chns = kcalloc(num_possible_cpus(), sizeof(void
> *),
>  					 GFP_KERNEL);
>  	if (stor_device->stor_chns == NULL)
>  		return -ENOMEM;
> --
> 2.12.0