From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 31C546131 for ; Wed, 9 Aug 2023 11:04:34 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id A068CC433C8; Wed, 9 Aug 2023 11:04:33 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=linuxfoundation.org; s=korg; t=1691579074; bh=3c7ap01Zl4Uhy4WQkYjigLEqaNEEdIkr+TE3d7D20RY=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=mQIye5LwiWiBnVg29EYDCuLhqtDmWolEVCdflNth+pax1ISpVIlRbLq811nKQrHK6 9gTA4OrONxtvvDf/ifZsfT7Ix/Fbfm5NNdM6UBEp4jgecgBSNCCNdXC5Dg0OPkPPCe NZesCjeAQWCp2z5jWpu/w9JZynzyVo5VOCtudD8I= 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 4.14 065/204] mfd: intel-lpss: Add missing check for platform_get_resource Date: Wed, 9 Aug 2023 12:40:03 +0200 Message-ID: <20230809103644.825832937@linuxfoundation.org> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230809103642.552405807@linuxfoundation.org> References: <20230809103642.552405807@linuxfoundation.org> User-Agent: quilt/0.67 Precedence: bulk X-Mailing-List: patches@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 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 fc44fb7c595bc..281ef5f52eb55 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -92,6 +92,9 @@ 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