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Date: Fri, 8 Feb 2013 11:28:05 -0800 From: Yinghai Lu <yinghai@...nel.org> To: Thomas Gleixner <tglx@...utronix.de>, Ingo Molnar <mingo@...e.hu>, "H. Peter Anvin" <hpa@...or.com>, Bjorn Helgaas <bhelgaas@...gle.com>, "Rafael J. Wysocki" <rjw@...k.pl> Cc: linux-pci@...r.kernel.org, linux-kernel@...r.kernel.org, Yinghai Lu <yinghai@...nel.org>, Joerg Roedel <joro@...tes.org>, Donald Dutile <ddutile@...hat.com> Subject: [PATCH v2 08/26] iommu, irq: Allocate irq_desc for dmar_msi with local node 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@...nel.org> Cc: Joerg Roedel <joro@...tes.org> Cc: Donald Dutile <ddutile@...hat.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; -- 1.7.10.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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