linux-kernel - [PATCH] scsi/mvsas/mv_sas.c: Use dma_pool

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Message-ID: <5bc8af85.1c69fb81.3eebc.a22b@mx.google.com>
Date:   Thu, 18 Oct 2018 21:36:26 +0530
From:   Sabyasachi Gupta <sabyasachi.linux@...il.com>
To:     jejb@...ux.vnet.ibm.com, martin.petersen@...cle.com,
        keescook@...omium.org, john.garry@...wei.com,
        jinpu.wang@...fitbricks.com
Cc:     jrdr.linux@...il.com, linux-scsi@...r.kernel.org,
        linux-kernel@...r.kernel.org, brajeswar.linux@...il.com
Subject: [PATCH] scsi/mvsas/mv_sas.c: Use dma_pool_zalloc

Replaced dma_pool_alloc + memset with dma_pool_zalloc
Signed-off-by: Sabyasachi Gupta <sabyasachi.linux@...il.com>
---
 drivers/scsi/mvsas/mv_sas.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/mvsas/mv_sas.c b/drivers/scsi/mvsas/mv_sas.c
index cff43bd..d00d37d 100644
--- a/drivers/scsi/mvsas/mv_sas.c
+++ b/drivers/scsi/mvsas/mv_sas.c
@@ -790,12 +790,11 @@ static int mvs_task_prep(struct sas_task *task, struct mvs_info *mvi, int is_tmf
 	slot->n_elem = n_elem;
 	slot->slot_tag = tag;
 
-	slot->buf = dma_pool_alloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
+	slot->buf = dma_pool_zalloc(mvi->dma_pool, GFP_ATOMIC, &slot->buf_dma);
 	if (!slot->buf) {
 		rc = -ENOMEM;
 		goto err_out_tag;
 	}
-	memset(slot->buf, 0, MVS_SLOT_BUF_SZ);
 
 	tei.task = task;
 	tei.hdr = &mvi->slot[tag];
-- 
2.7.4