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 Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 52415C0015E for ; Fri, 21 Jul 2023 19:05:11 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231657AbjGUTFK (ORCPT ); Fri, 21 Jul 2023 15:05:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:57552 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231651AbjGUTFH (ORCPT ); Fri, 21 Jul 2023 15:05:07 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8E32530D7 for ; Fri, 21 Jul 2023 12:05:05 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 20ABC61D79 for ; Fri, 21 Jul 2023 19:05:05 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 353CAC433C7; Fri, 21 Jul 2023 19:05:04 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1689966304; bh=x79VxxyyRD4ueHcVn9bB6uX8y9Nxsxxdir9o7ztLLXg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=YTABGjRNn40/6QVvDwhV0X4Mnw10hdmOVOYA6T5+IXUit4/g8olHn2K/YdR1bfJva Y1X1Sutc/LzLLBbKfPDXNAEpdcq4jkogf6b9XxHPALlH0/Jld4NSaar0gDXDHTYB8r awRhksX32q43/jFzZM00aS/zFIJf1nIy3zT+rwpg= From: Greg Kroah-Hartman To: stable@vger.kernel.org Cc: Greg Kroah-Hartman , patches@lists.linux.dev, Jiasheng Jiang , Lee Jones , Sasha Levin Subject: [PATCH 5.15 297/532] mfd: intel-lpss: Add missing check for platform_get_resource Date: Fri, 21 Jul 2023 18:03:21 +0200 Message-ID: <20230721160630.505582266@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230721160614.695323302@linuxfoundation.org> References: <20230721160614.695323302@linuxfoundation.org> User-Agent: quilt/0.67 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Jiasheng Jiang [ Upstream commit d918e0d5824495a75d00b879118b098fcab36fdb ] Add the missing check for platform_get_resource and return error if it fails. Fixes: 4b45efe85263 ("mfd: Add support for Intel Sunrisepoint LPSS devices") Signed-off-by: Jiasheng Jiang Signed-off-by: Lee Jones Link: https://lore.kernel.org/r/20230609014818.28475-1-jiasheng@iscas.ac.cn Signed-off-by: Sasha Levin --- drivers/mfd/intel-lpss-acpi.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index f2ea6540a01e1..4c43d71cddbdc 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -148,6 +148,9 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev) return -ENOMEM; info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); + if (!info->mem) + return -ENODEV; + info->irq = platform_get_irq(pdev, 0); ret = intel_lpss_probe(&pdev->dev, info); -- 2.39.2