Messages in this thread Patch in this message | | | From | Arvind Yadav <> | Subject | [PATCH 2/3 v2] mfd: intel-lpss: Handle return value of platform_get_irq | Date | Sat, 18 Nov 2017 14:20:48 +0530 |
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platform_get_irq() can fail here and we must check its return value.
Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> --- changes in v2 : Add failure case '<= 0' instead of '< 0'. If IRQ0 is not valid.
drivers/mfd/intel-lpss-acpi.c | 2 ++ 1 file changed, 2 insertions(+)
diff --git a/drivers/mfd/intel-lpss-acpi.c b/drivers/mfd/intel-lpss-acpi.c index 7911b0a..cb84de5 100644 --- a/drivers/mfd/intel-lpss-acpi.c +++ b/drivers/mfd/intel-lpss-acpi.c @@ -92,6 +92,8 @@ static int intel_lpss_acpi_probe(struct platform_device *pdev) info->mem = platform_get_resource(pdev, IORESOURCE_MEM, 0); info->irq = platform_get_irq(pdev, 0); + if (!info->mem || info->irq <= 0) + return -ENOMEM; pm_runtime_set_active(&pdev->dev); pm_runtime_enable(&pdev->dev); -- 2.7.4
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