linux-kernel - [PATCH] scsi: qla2xxx: use dma_pool

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Message-Id: <1615603275-14303-1-git-send-email-wangqing@vivo.com>
Date:   Sat, 13 Mar 2021 10:41:15 +0800
From:   Wang Qing <wangqing@...o.com>
To:     Nilesh Javali <njavali@...vell.com>,
        GR-QLogic-Storage-Upstream@...vell.com,
        "James E.J. Bottomley" <jejb@...ux.ibm.com>,
        "Martin K. Petersen" <martin.petersen@...cle.com>,
        linux-scsi@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     Wang Qing <wangqing@...o.com>
Subject: [PATCH] scsi: qla2xxx: use dma_pool_zalloc instead

use dma_pool_zalloc instead of dma_pool_alloc and memset

Signed-off-by: Wang Qing <wangqing@...o.com>
---
 drivers/scsi/qla2xxx/qla_os.c | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_os.c b/drivers/scsi/qla2xxx/qla_os.c
index 0743925..ac5e954
--- a/drivers/scsi/qla2xxx/qla_os.c
+++ b/drivers/scsi/qla2xxx/qla_os.c
@@ -4238,11 +4238,10 @@ qla2x00_mem_alloc(struct qla_hw_data *ha, uint16_t req_len, uint16_t rsp_len,
 
 	/* Get consistent memory allocated for Special Features-CB. */
 	if (IS_QLA27XX(ha) || IS_QLA28XX(ha)) {
-		ha->sf_init_cb = dma_pool_alloc(ha->s_dma_pool, GFP_KERNEL,
+		ha->sf_init_cb = dma_pool_zalloc(ha->s_dma_pool, GFP_KERNEL,
 						&ha->sf_init_cb_dma);
 		if (!ha->sf_init_cb)
 			goto fail_sf_init_cb;
-		memset(ha->sf_init_cb, 0, sizeof(struct init_sf_cb));
 		ql_dbg_pci(ql_dbg_init, ha->pdev, 0x0199,
 			   "sf_init_cb=%p.\n", ha->sf_init_cb);
 	}
-- 
2.7.4