On 03/12/2012 02:00 AM, Thierry Reding wrote:
> * Stephen Warren wrote:
>> On 03/08/2012 07:51 AM, Thierry Reding wrote:
>>> diff --git a/arch/arm/mach-tegra/pcie.c b/arch/arm/mach-tegra/pcie.c
...
>> Free the IRQ descriptors in the error paths?
...
>>> + for (msi = 0; msi < INT_PCI_MSI_NR; msi++) {
>>> + unsigned int irq = irq_find_mapping(pcie->msi_domain, msi);
>>> +
>>> + irq_set_chip_data(irq, pcie);
>>> + irq_set_chip_and_handler(irq, &pcie->msi_chip,
>>> + handle_simple_irq);
>>> + set_irq_flags(irq, IRQF_VALID);
>>> + }
>>> +
>>> + err = platform_get_irq(pdev, 1);
>>> + if (err < 0) {
>>> + dev_err(&pdev->dev, "failed to get IRQ: %d\n", err);
>>
>> Same here, and undo setting IRQF_VALID?
>
> Does it make sense to explicitly unset the IRQF_VALID flag when the IRQ
> descriptors are free'd afterwards anyway?
Good point. Probably not per my gut instinct.
...
> I'm also Cc'ing Thomas
> Gleixner as maintainer of the IRQ subsystem, he probably knows best how
> dynamically allocated interrupts should be cleaned up.
But yes, best to check with someone more familiar with interrupts.
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