Re: [PATCH] infiniband/hw/cxgb3/cxio_hal.c: Use dma_zalloc_coherent

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On 11/9/2018 10:50 AM, Sabyasachi Gupta wrote:
> Replaced dma_alloc_coherent + memset with dma_zalloc_coherent
> 
> Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
> ---
>  drivers/infiniband/hw/cxgb3/cxio_hal.c | 3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/infiniband/hw/cxgb3/cxio_hal.c b/drivers/infiniband/hw/cxgb3/cxio_hal.c
> index dcb4bba..df4f7a3 100644
> --- a/drivers/infiniband/hw/cxgb3/cxio_hal.c
> +++ b/drivers/infiniband/hw/cxgb3/cxio_hal.c
> @@ -291,13 +291,12 @@ int cxio_create_qp(struct cxio_rdev *rdev_p, u32 kernel_domain,
>  	if (!wq->sq)
>  		goto err3;
>  
> -	wq->queue = dma_alloc_coherent(&(rdev_p->rnic_info.pdev->dev),
> +	wq->queue = dma_zalloc_coherent(&(rdev_p->rnic_info.pdev->dev),
>  					     depth * sizeof(union t3_wr),
>  					     &(wq->dma_addr), GFP_KERNEL);
>  	if (!wq->queue)
>  		goto err4;
>  
> -	memset(wq->queue, 0, depth * sizeof(union t3_wr));
>  	dma_unmap_addr_set(wq, mapping, wq->dma_addr);
>  	wq->doorbell = (void __iomem *)rdev_p->rnic_info.kdb_addr;
>  	if (!kernel_domain)
> 

Acked-by: Steve Wise <swise@xxxxxxxxxxxxxxxxxxxxx>



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