[PATCH v2] mfd: intel-lpss: Add missing check for platform_get_resource

From: Jiasheng Jiang
Date: Thu Jun 08 2023 - 21:48:28 EST


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 <jiasheng@xxxxxxxxxxx>
---
Changelog:

v1 -> v2:

1. Replace "-ENOMEM" with "-ENODEV".
---
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 a143c8dca2d9..212818aef93e 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);
--
2.25.1