iommu/vt-d:Remove unused variable

Unused after commit <42e8c186b595> ("iommu/vt-d: Simplify io/tlb flushing
in intel_iommu_unmap"), cleanup it.

Cc: David Woodhouse <dwmw2@infradead.org>
Cc: Joerg Roedel <joro@8bytes.org>
Signed-off-by: Shaokun Zhang <zhangshaokun@hisilicon.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 582fd01..d49e0d3 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -5072,7 +5072,6 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
 {
        struct dmar_domain *dmar_domain = to_dmar_domain(domain);
        struct page *freelist = NULL;
-       struct intel_iommu *iommu;
        unsigned long start_pfn, last_pfn;
        unsigned int npages;
        int iommu_id, level = 0;
@@ -5091,12 +5090,9 @@ static size_t intel_iommu_unmap(struct iommu_domain *domain,
 
        npages = last_pfn - start_pfn + 1;
 
-       for_each_domain_iommu(iommu_id, dmar_domain) {
-               iommu = g_iommus[iommu_id];
-
+       for_each_domain_iommu(iommu_id, dmar_domain)
                iommu_flush_iotlb_psi(g_iommus[iommu_id], dmar_domain,
                                      start_pfn, npages, !freelist, 0);
-       }
 
        dma_free_pagelist(freelist);