Re: [PATCH] scsi/lpfc/lpfc_sli.c: Use dma_zalloc_coherent

From: James Smart
Date: Tue Nov 20 2018 - 16:53:41 EST


On 11/18/2018 6:38 AM, Sabyasachi Gupta wrote:
Replaced dma_alloc_coherent + memset with dma_zalloc_coherent

Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@xxxxxxxxx>
---
drivers/scsi/lpfc/lpfc_sli.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/lpfc/lpfc_sli.c b/drivers/scsi/lpfc/lpfc_sli.c
index 783a154..3491ff7 100644
--- a/drivers/scsi/lpfc/lpfc_sli.c
+++ b/drivers/scsi/lpfc/lpfc_sli.c
@@ -6229,7 +6229,7 @@ lpfc_sli4_ras_dma_alloc(struct lpfc_hba *phba,
goto free_mem;
}
- dmabuf->virt = dma_alloc_coherent(&phba->pcidev->dev,
+ dmabuf->virt = dma_zalloc_coherent(&phba->pcidev->dev,
LPFC_RAS_MAX_ENTRY_SIZE,
&dmabuf->phys,
GFP_KERNEL);
@@ -6240,7 +6240,6 @@ lpfc_sli4_ras_dma_alloc(struct lpfc_hba *phba,
"6187 DMA Alloc Failed FW logging");
goto free_mem;
}
- memset(dmabuf->virt, 0, LPFC_RAS_MAX_ENTRY_SIZE);
dmabuf->buffer_tag = i;
list_add_tail(&dmabuf->list, &ras_fwlog->fwlog_buff_list);
}

Looks fine.

-- james

Reviewed-by:ÂÂ James SmartÂÂ <jsmart2021@xxxxxxxxx>