linux-kernel - [PATCH -next 2/3] scsi: Remove superfluous memset()

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Message-ID: <1596079918-41115-3-git-send-email-liheng40@huawei.com>
Date:   Thu, 30 Jul 2020 11:31:57 +0800
From:   Li Heng <liheng40@...wei.com>
To:     <martin.petersen@...cle.com>, <jejb@...ux.ibm.com>
CC:     <MPT-FusionLinux.pdl@...adcom.com>, <linux-scsi@...r.kernel.org>,
        <linux-kernel@...r.kernel.org>
Subject: [PATCH -next 2/3] scsi: Remove superfluous memset()

Fixes coccicheck warning:

./drivers/scsi/qla2xxx/qla_mbx.c:4928:15-33: WARNING: dma_alloc_coherent use in els_cmd_map already zeroes out memory,  so memset is not needed

dma_alloc_coherent use in status already zeroes out memory, so memset is not needed

Signed-off-by: Li Heng <liheng40@...wei.com>
---
 drivers/scsi/qla2xxx/qla_mbx.c | 2 --
 1 file changed, 2 deletions(-)

diff --git a/drivers/scsi/qla2xxx/qla_mbx.c b/drivers/scsi/qla2xxx/qla_mbx.c
index 7388343..14656da 100644
--- a/drivers/scsi/qla2xxx/qla_mbx.c
+++ b/drivers/scsi/qla2xxx/qla_mbx.c
@@ -4933,8 +4933,6 @@ qla25xx_set_els_cmds_supported(scsi_qla_host_t *vha)
 		return QLA_MEMORY_ALLOC_FAILED;
 	}
 
-	memset(els_cmd_map, 0, ELS_CMD_MAP_SIZE);
-
 	/* List of Purex ELS */
 	cmd_opcode[0] = ELS_FPIN;
 	cmd_opcode[1] = ELS_RDP;
-- 
2.7.4