From: Jiasheng Jiang jiasheng@iscas.ac.cn
[ 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 jiasheng@iscas.ac.cn Signed-off-by: Lee Jones lee@kernel.org Link: https://lore.kernel.org/r/20230609014818.28475-1-jiasheng@iscas.ac.cn Signed-off-by: Sasha Levin sashal@kernel.org --- 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);