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Petersen" , megaraidlinux.pdl@broadcom.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Wan Jiabing Subject: [PATCH] scsi: megaraid_sas: remove unnecessary memset Date: Thu, 7 Apr 2022 15:24:42 +0800 Message-Id: <20220407072442.4137977-1-wanjiabing@vivo.com> X-Mailer: git-send-email 2.35.1 X-ClientProxiedBy: HK2P15301CA0011.APCP153.PROD.OUTLOOK.COM (2603:1096:202:1::21) To SG2PR06MB3367.apcprd06.prod.outlook.com (2603:1096:4:78::19) MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-Correlation-Id: bac806c6-c578-4dc4-a44f-08da1867c1d7 X-MS-TrafficTypeDiagnostic: TYZPR06MB5001:EE_ X-Microsoft-Antispam-PRVS: X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:255.255.255.255; CTRY:; LANG:en; SCL:1; SRV:; IPV:NLI; SFV:NSPM; H:SG2PR06MB3367.apcprd06.prod.outlook.com; PTR:; CAT:NONE; SFS:(13230001)(4636009)(366004)(38350700002)(110136005)(316002)(38100700002)(36756003)(66476007)(66946007)(66556008)(6506007)(6486002)(83380400001)(508600001)(2906002)(8936002)(6666004)(4744005)(26005)(186003)(52116002)(86362001)(1076003)(6512007)(8676002)(4326008)(2616005)(107886003)(5660300002); DIR:OUT; SFP:1102; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: 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 X-OriginatorOrg: vivo.com X-MS-Exchange-CrossTenant-Network-Message-Id: bac806c6-c578-4dc4-a44f-08da1867c1d7 X-MS-Exchange-CrossTenant-AuthSource: SG2PR06MB3367.apcprd06.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 07 Apr 2022 07:25:14.5272 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 923e42dc-48d5-4cbe-b582-1a797a6412ed X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: +DRFB3uZCQXsyAcZ1CyLKmkYQFGqpWHKn58jBZN+NBvjUP+oh+vzujkafYZwrCrHJe9Bj84sbn9xiHX3K39ZHw== X-MS-Exchange-Transport-CrossTenantHeadersStamped: TYZPR06MB5001 Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org instance->cmd_list is allocated by kcalloc(). The memory is set to zero. It is unnecessary to call memset again. Signed-off-by: Wan Jiabing --- drivers/scsi/megaraid/megaraid_sas_base.c | 2 -- 1 file changed, 2 deletions(-) diff --git a/drivers/scsi/megaraid/megaraid_sas_base.c b/drivers/scsi/megaraid/megaraid_sas_base.c index 8bf72dbc33b7..33f3226023f3 100644 --- a/drivers/scsi/megaraid/megaraid_sas_base.c +++ b/drivers/scsi/megaraid/megaraid_sas_base.c @@ -4466,8 +4466,6 @@ int megasas_alloc_cmds(struct megasas_instance *instance) return -ENOMEM; } - memset(instance->cmd_list, 0, sizeof(struct megasas_cmd *) *max_cmd); - for (i = 0; i < max_cmd; i++) { instance->cmd_list[i] = kmalloc(sizeof(struct megasas_cmd), GFP_KERNEL);