Re: [PATCH] scsi/pmcraid.c: Use dma_pool_zalloc

From: Souptick Joarder
Date: Mon Oct 08 2018 - 12:29:13 EST


On Tue, Oct 2, 2018 at 10:53 AM Souptick Joarder <jrdr.linux@xxxxxxxxx> wrote:
>
> Replaced dma_pool_alloc + memset with dma_pool_zalloc.
>
> Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
> Signed-off-by: Souptick Joarder <jrdr.linux@xxxxxxxxx>

Any comment on this patch ?

> ---
> drivers/scsi/pmcraid.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
> index 4e86994..84a2734 100644
> --- a/drivers/scsi/pmcraid.c
> +++ b/drivers/scsi/pmcraid.c
> @@ -4681,7 +4681,7 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
>
> for (i = 0; i < PMCRAID_MAX_CMD; i++) {
> pinstance->cmd_list[i]->ioa_cb =
> - dma_pool_alloc(
> + dma_pool_zalloc(
> pinstance->control_pool,
> GFP_KERNEL,
> &(pinstance->cmd_list[i]->ioa_cb_bus_addr));
> @@ -4690,8 +4690,6 @@ static int pmcraid_allocate_control_blocks(struct pmcraid_instance *pinstance)
> pmcraid_release_control_blocks(pinstance, i);
> return -ENOMEM;
> }
> - memset(pinstance->cmd_list[i]->ioa_cb, 0,
> - sizeof(struct pmcraid_control_block));
> }
> return 0;
> }
> --
> 1.9.1
>