linux-kernel - [PATCH] irq_remapping/vt-d: cleanup unused variable

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Date:   Mon, 24 Jun 2019 13:17:42 -0700
From:   Jacob Pan <jacob.jun.pan@...ux.intel.com>
To:     Joerg Roedel <joro@...tes.org>,
        LKML <linux-kernel@...r.kernel.org>,
        iommu@...ts.linux-foundation.org
Cc:     Jacob Pan <jacob.jun.pan@...ux.intel.com>
Subject: [PATCH] irq_remapping/vt-d: cleanup unused variable

Linux IRQ number virq is not used in IRTE allocation. Remove it.

Signed-off-by: Jacob Pan <jacob.jun.pan@...ux.intel.com>
---
 drivers/iommu/intel_irq_remapping.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/iommu/intel_irq_remapping.c b/drivers/iommu/intel_irq_remapping.c
index 4160aa9..4786ca0 100644
--- a/drivers/iommu/intel_irq_remapping.c
+++ b/drivers/iommu/intel_irq_remapping.c
@@ -101,7 +101,7 @@ static void init_ir_status(struct intel_iommu *iommu)
 		iommu->flags |= VTD_FLAG_IRQ_REMAP_PRE_ENABLED;
 }
 
-static int alloc_irte(struct intel_iommu *iommu, int irq,
+static int alloc_irte(struct intel_iommu *iommu,
 		      struct irq_2_iommu *irq_iommu, u16 count)
 {
 	struct ir_table *table = iommu->ir_table;
@@ -1374,7 +1374,7 @@ static int intel_irq_remapping_alloc(struct irq_domain *domain,
 		goto out_free_parent;
 
 	down_read(&dmar_global_lock);
-	index = alloc_irte(iommu, virq, &data->irq_2_iommu, nr_irqs);
+	index = alloc_irte(iommu, &data->irq_2_iommu, nr_irqs);
 	up_read(&dmar_global_lock);
 	if (index < 0) {
 		pr_warn("Failed to allocate IRTE\n");
-- 
2.7.4