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dkim=none (message not signed) header.d=none;gmail.com; dmarc=none action=none header.from=oss.nxp.com; Received: from DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) by DB8PR04MB6857.eurprd04.prod.outlook.com (2603:10a6:10:114::21) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4242.19; Mon, 28 Jun 2021 07:03:56 +0000 Received: from DB6PR0402MB2760.eurprd04.prod.outlook.com ([fe80::c445:d742:eb76:86dd]) by DB6PR0402MB2760.eurprd04.prod.outlook.com ([fe80::c445:d742:eb76:86dd%9]) with mapi id 15.20.4264.026; Mon, 28 Jun 2021 07:03:56 +0000 From: "Peng Fan (OSS)" To: jassisinghbrar@gmail.com, shawnguo@kernel.org, s.hauer@pengutronix.de, o.rempel@pengutronix.de Cc: kernel@pengutronix.de, festevam@gmail.com, aisheng.dong@nxp.com, linux-imx@nxp.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Peng Fan , Dan Carpenter Subject: [PATCH] mailbox: imx-mailbox: fix uninitialized symbol 'val' Date: Mon, 28 Jun 2021 15:37:29 +0800 Message-Id: <20210628073729.8449-1-peng.fan@oss.nxp.com> X-Mailer: git-send-email 2.30.0 X-Originating-IP: [119.31.174.71] X-ClientProxiedBy: SG2PR02CA0086.apcprd02.prod.outlook.com (2603:1096:4:90::26) To DB6PR0402MB2760.eurprd04.prod.outlook.com (2603:10a6:4:a1::14) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from linux-1xn6.ap.freescale.net (119.31.174.71) by SG2PR02CA0086.apcprd02.prod.outlook.com (2603:1096:4:90::26) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.4264.18 via Frontend Transport; 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X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Peng Fan "val" not initialized on default path, so initialize val to 0 to fix this issue. Fixes: 91c8c1fbe498 ("mailbox: imx: add xSR/xCR register array") Reported-by: Dan Carpenter Signed-off-by: Peng Fan --- drivers/mailbox/imx-mailbox.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mailbox/imx-mailbox.c b/drivers/mailbox/imx-mailbox.c index bc51bd3c1999..6c6875dd30e7 100644 --- a/drivers/mailbox/imx-mailbox.c +++ b/drivers/mailbox/imx-mailbox.c @@ -282,6 +282,7 @@ static irqreturn_t imx_mu_isr(int irq, void *p) (ctrl & IMX_MU_xCR_GIEn(priv->dcfg->type, cp->idx)); break; default: + val = 0; break; }