linux-kernel - [PATCH next] scsi: pmcraid: replace dma_pool_alloc + memset with dma_pool

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Date:   Thu, 2 Jan 2020 09:47:38 +0800
From:   Chen Zhou <chenzhou10@...wei.com>
To:     <martin.petersen@...cle.com>, <jejb@...ux.ibm.com>
CC:     <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>,
        <chenzhou10@...wei.com>
Subject: [PATCH next] scsi: pmcraid: replace dma_pool_alloc + memset with dma_pool_zalloc

Use dma_pool_zalloc rather than dma_pool_alloc followed by memset with 0.

Signed-off-by: Chen Zhou <chenzhou10@...wei.com>
---
 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 7eb88fe..aa9ae2a 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -4652,7 +4652,7 @@ 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));
@@ -4661,8 +4661,6 @@ 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;
 }
-- 
2.7.4