From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-9.0 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id A6963C282C4 for ; Tue, 12 Feb 2019 15:31:40 +0000 (UTC) Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 68B672084E for ; Tue, 12 Feb 2019 15:31:40 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=lists.infradead.org header.i=@lists.infradead.org header.b="lrGp84bE" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 68B672084E Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=st.com Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20170209; h=Sender: Content-Transfer-Encoding:Content-Type:Cc:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-ID:Date:Subject:To :From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=vG92341GmW4XCASFQF4KOyEUrZHhjRrcAV9TxYGIFBY=; b=lrGp84bEdT7lKH UQ+oT4vpM9Ep3Fp9X4Bjoa+lIbshamGOGepAaqPlP+lZXIoh3NVn2CV4tLJBKhQUgCXGcRPlmRVym REj/aG1Ot4f00IEm9LrS0NPr3i+yAC6sicdKp2oFNnLZOWkZLx3aX/CF8QbSB82YADYkUVEAn3/tI Ab/3veRn0HquVk0hIX1vP5dKYxAvZ9ayxRQ2SU+q6DRhSPI9mUULiT+csODFhG7OstRFa4JIdX5iy bZ4CwuobqbxCIYMpnNbh1I9yR8ZecTFN41lnQGxifEOHHvaZcBAY/auhNAN6iHiA/X6jDXnkWgWKi fplZgrpLL8IgNJqL+Rpw==; Received: from localhost ([127.0.0.1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.90_1 #2 (Red Hat Linux)) id 1gta21-0000dF-NB; Tue, 12 Feb 2019 15:31:33 +0000 Received: from mx07-00178001.pphosted.com ([62.209.51.94]) by bombadil.infradead.org with esmtps (Exim 4.90_1 #2 (Red Hat Linux)) id 1gta1x-0000co-RJ for linux-arm-kernel@lists.infradead.org; Tue, 12 Feb 2019 15:31:31 +0000 Received: from pps.filterd (m0046037.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.16.0.27/8.16.0.27) with SMTP id x1CFH0Yu019267; Tue, 12 Feb 2019 16:31:27 +0100 Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com with ESMTP id 2qhurj1344-1 (version=TLSv1 cipher=ECDHE-RSA-AES256-SHA bits=256 verify=NOT); Tue, 12 Feb 2019 16:31:27 +0100 Received: from zeta.dmz-eu.st.com (zeta.dmz-eu.st.com [164.129.230.9]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 825FF3A; Tue, 12 Feb 2019 15:31:26 +0000 (GMT) Received: from Webmail-eu.st.com (sfhdag4node2.st.com [10.75.127.11]) by zeta.dmz-eu.st.com (STMicroelectronics) with ESMTP id 611305494; Tue, 12 Feb 2019 15:31:26 +0000 (GMT) Received: from localhost (10.75.127.45) by SFHDAG4NODE2.st.com (10.75.127.11) with Microsoft SMTP Server (TLS) id 15.0.1347.2; Tue, 12 Feb 2019 16:31:25 +0100 From: To: Dmitry Torokhov , Gabriel Fernandez Subject: [PATCH v1] Input: st-keyscan - fix potential zalloc NULL dereference Date: Tue, 12 Feb 2019 16:30:55 +0100 Message-ID: <20190212153055.3925-1-gabriel.fernandez@st.com> X-Mailer: git-send-email 2.17.0 MIME-Version: 1.0 X-Originating-IP: [10.75.127.45] X-ClientProxiedBy: SFHDAG3NODE3.st.com (10.75.127.9) To SFHDAG4NODE2.st.com (10.75.127.11) X-Proofpoint-Virus-Version: vendor=fsecure engine=2.50.10434:, , definitions=2019-02-12_08:, , signatures=0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20190212_073130_171884_909E1EC2 X-CRM114-Status: UNSURE ( 9.61 ) X-CRM114-Notice: Please train this message. X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Nate Drude , linux-kernel@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, giuseppe.condorelli@st.com, linux-input@vger.kernel.org, Dan Carpenter , linux-clk@vger.kernel.org, linux-arm-kernel@lists.infradead.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+infradead-linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Gabriel Fernandez This patch fixes the following static checker warning: drivers/input/keyboard/st-keyscan.c:156 keyscan_probe() error: potential zalloc NULL dereference: 'keypad_data->input_dev' Reported-by: Dan Carpenter Signed-off-by: Gabriel Fernandez --- drivers/input/keyboard/st-keyscan.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/input/keyboard/st-keyscan.c b/drivers/input/keyboard/st-keyscan.c index babcfb165e4f..3b85631fde91 100644 --- a/drivers/input/keyboard/st-keyscan.c +++ b/drivers/input/keyboard/st-keyscan.c @@ -153,6 +153,8 @@ static int keyscan_probe(struct platform_device *pdev) input_dev->id.bustype = BUS_HOST; + keypad_data->input_dev = input_dev; + error = keypad_matrix_key_parse_dt(keypad_data); if (error) return error; @@ -168,8 +170,6 @@ static int keyscan_probe(struct platform_device *pdev) input_set_drvdata(input_dev, keypad_data); - keypad_data->input_dev = input_dev; - res = platform_get_resource(pdev, IORESOURCE_MEM, 0); keypad_data->base = devm_ioremap_resource(&pdev->dev, res); if (IS_ERR(keypad_data->base)) -- 2.17.0 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel