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-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d918e0d5824495a75d00b879118b098fcab36fdb;p=linux.git mfd: intel-lpss: Add missing check for platform_get_resource 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 --- diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index a143c8dca2d93..212818aef93e2 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -183,6 +183,9 @@ 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);