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b=e/SL3RxBmQGOBepz1Z9f0oWeR2a2TWBxJ856J4kQv1B/Ni04tFPqve4KEGoPy/BE898BNEG8lSvhrZiUW06JzljsHCxeJzIIq+E1auljXmDkT0zs2PdPt5rLRkW0Tp+nloEnRF934r5cymrT2l0Z8ECOWv4zuqvCh7z6hFY6M/jhJV4JQLuzDuJbZHwIXizzZ3Zr9LO+Jiyzh/c56jIbkQnM8afI4YnkJAWD6p1XjNggtHtZ4fiz0wbObtN4UF1Jx+NUpxYZosldd5ijpgAbvGF7CXoU1mYE6ZjYIPvtsvTfKxW2DCBNUAts4cfaPrWM/rTg7tsC0SW5ECa1GbDSiQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=vivo.com; Received: from SEZPR06MB5899.apcprd06.prod.outlook.com (2603:1096:101:e3::16) by TYSPR06MB7259.apcprd06.prod.outlook.com (2603:1096:405:86::10) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.7875.19; Fri, 23 Aug 2024 01:41:34 +0000 Received: from SEZPR06MB5899.apcprd06.prod.outlook.com ([fe80::8bfc:f1ee:8923:77ce]) by SEZPR06MB5899.apcprd06.prod.outlook.com ([fe80::8bfc:f1ee:8923:77ce%3]) with mapi id 15.20.7897.014; Fri, 23 Aug 2024 01:41:34 +0000 From: Shen Lichuan <shenlichuan@vivo.com> To: aisheng.dong@nxp.com, festevam@gmail.com, shawnguo@kernel.org, ping.bai@nxp.com, linus.walleij@linaro.org, s.hauer@pengutronix.de Cc: kernel@pengutronix.de, linux-gpio@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Shen Lichuan <shenlichuan@vivo.com> Subject: [PATCH v1] drivers/pinctrl/freescale: Use kmemdup_array instead of kmemdup for multiple allocation Date: Fri, 23 Aug 2024 09:39:59 +0800 Message-Id: <20240823013959.6281-1-shenlichuan@vivo.com> X-Mailer: git-send-email 2.17.1 Content-Type: text/plain X-ClientProxiedBy: SG2PR01CA0146.apcprd01.prod.exchangelabs.com (2603:1096:4:8f::26) To SEZPR06MB5899.apcprd06.prod.outlook.com (2603:1096:101:e3::16) Precedence: bulk X-Mailing-List: linux-gpio@vger.kernel.org List-Id: <linux-gpio.vger.kernel.org> List-Subscribe: <mailto:linux-gpio+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-gpio+unsubscribe@vger.kernel.org> MIME-Version: 1.0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SEZPR06MB5899:EE_|TYSPR06MB7259:EE_ X-MS-Office365-Filtering-Correlation-Id: 44307ba1-c0ad-489b-01ea-08dcc314b867 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|52116014|7416014|376014|366016|38350700014; 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[v1] drivers/pinctrl/freescale: Use kmemdup_array instead of kmemdup for multiple allocation
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diff --git a/drivers/pinctrl/freescale/pinctrl-imx-scmi.c b/drivers/pinctrl/freescale/pinctrl-imx-scmi.c index 2991047535bc..8f15c4c4dc44 100644 --- a/drivers/pinctrl/freescale/pinctrl-imx-scmi.c +++ b/drivers/pinctrl/freescale/pinctrl-imx-scmi.c @@ -130,7 +130,7 @@ static int pinctrl_scmi_imx_dt_node_to_map(struct pinctrl_dev *pctldev, cfg[j++] = pinconf_to_config_packed(IMX_SCMI_PIN_DAISY_CFG, input_val); } - configs = kmemdup(cfg, ncfg * sizeof(unsigned long), GFP_KERNEL); + configs = kmemdup_array(cfg, ncfg, sizeof(unsigned long), GFP_KERNEL); new_map[i].type = PIN_MAP_TYPE_CONFIGS_PIN; new_map[i].data.configs.group_or_pin = pin_get_name(pctldev, pin_id);
Let the kememdup_array() take care about multiplication and possible overflows. Signed-off-by: Shen Lichuan <shenlichuan@vivo.com> --- drivers/pinctrl/freescale/pinctrl-imx-scmi.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)