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iommu/vt-d: release invalidation queue when destroying IOMMU unit

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Release associated invalidation queue when destroying IOMMU unit
to avoid memory leak.

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Joerg Roedel <joro@8bytes.org>
This commit is contained in:
Jiang Liu 2014-01-06 14:18:23 +08:00 committed by Joerg Roedel
parent 5ced12af69
commit a84da70b7b
1 changed files with 6 additions and 0 deletions
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6
drivers/iommu/dmar.c
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@ -737,6 +737,12 @@ static void free_iommu(struct intel_iommu *iommu)
destroy_irq(iommu->irq);
}
if (iommu->qi) {
free_page((unsigned long)iommu->qi->desc);
kfree(iommu->qi->desc_status);
kfree(iommu->qi);
}
if (iommu->reg)
unmap_iommu(iommu);