On Fri, Feb 8, 2013 at 12:45 PM, Don Dutile <ddutile@xxxxxxxxxx> wrote:
> On 02/08/2013 02:28 PM, Yinghai Lu wrote:
>>
>> iommu irq's irq_desc should be on local node ram.
>>
>> Fix the return value checking problem.
>>
>> create_irq() will return -1 when fail to allocate.
>> create_irq_nr() will return 0 when fail to allocate.
>>
>> here only check !irq, so need to change it to use create_irq_nr instead.
>>
>> Signed-off-by: Yinghai Lu<yinghai@xxxxxxxxxx>
>> Cc: Joerg Roedel<joro@xxxxxxxxxx>
>> Cc: Donald Dutile<ddutile@xxxxxxxxxx>
>> ---
>> drivers/iommu/dmar.c | 2 +-
>> 1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/drivers/iommu/dmar.c b/drivers/iommu/dmar.c
>> index 174bb65..316b5a2 100644
>> --- a/drivers/iommu/dmar.c
>> +++ b/drivers/iommu/dmar.c
>> @@ -1263,7 +1263,7 @@ int dmar_set_interrupt(struct intel_iommu *iommu)
>> if (iommu->irq)
>> return 0;
>>
>> - irq = create_irq();
>> + irq = create_irq_nr(0, iommu->node);
>> if (!irq) {
>> pr_err("IOMMU: no free vectors\n");
>> return -EINVAL;
>
> Good catch!
>
> you can add my ack to it.
>
Thanks.
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