From: Jiasheng Jiang Date: Fri, 9 Jun 2023 01:48:18 +0000 (+0800) Subject: mfd: intel-lpss: Add missing check for platform_get_resource X-Git-Tag: v4.14.322~141 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c930665de2b02f7a5431a895de37ca669ff76f37;p=thirdparty%2Fkernel%2Fstable.git mfd: intel-lpss: Add missing check for platform_get_resource [ 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 --- 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);