linux-kernel - [PATCH 56/87] scsi: pmcraid: remove memset after dma_alloc

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Message-Id: <20190627174327.5147-1-huangfq.daxian@gmail.com>
Date:   Fri, 28 Jun 2019 01:43:27 +0800
From:   Fuqian Huang <huangfq.daxian@...il.com>
To:     unlisted-recipients:; (no To-header on input)
Cc:     Fuqian Huang <huangfq.daxian@...il.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
Subject: [PATCH 56/87] scsi: pmcraid: remove memset after dma_alloc_coherent

In commit af7ddd8a627c
("Merge tag 'dma-mapping-4.21' of git://git.infradead.org/users/hch/dma-mapping"),
dma_alloc_coherent has already zeroed the memory.
So memset is not needed.

Signed-off-by: Fuqian Huang <huangfq.daxian@...il.com>
---
 drivers/scsi/pmcraid.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/drivers/scsi/pmcraid.c b/drivers/scsi/pmcraid.c
index ca22526aff7f..9e11e20d9e0d 100644
--- a/drivers/scsi/pmcraid.c
+++ b/drivers/scsi/pmcraid.c
@@ -4720,7 +4720,6 @@ static int pmcraid_allocate_host_rrqs(struct pmcraid_instance *pinstance)
 			return -ENOMEM;
 		}
 
-		memset(pinstance->hrrq_start[i], 0, buffer_size);
 		pinstance->hrrq_curr[i] = pinstance->hrrq_start[i];
 		pinstance->hrrq_end[i] =
 			pinstance->hrrq_start[i] + PMCRAID_MAX_CMD - 1;
-- 
2.11.0