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<ying...@kernel.org> Cc: Joerg Roedel<j...@8bytes.org> Cc: Donald Dutile<ddut...@redhat.com> --- 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. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
