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Subject[PATCH v3 5/5] iommu: virtio: Use generic_iommu_put_resv_regions()
Date
From: Thierry Reding <treding@nvidia.com>

Use the new standard function instead of open-coding it.

Cc: Jean-Philippe Brucker <jean-philippe@linaro.org>
Cc: virtualization@lists.linux-foundation.org
Reviewed-by: Jean-Philippe Brucker <jean-philippe@linaro.org>
Signed-off-by: Thierry Reding <treding@nvidia.com>
---
drivers/iommu/virtio-iommu.c | 14 +++-----------
1 file changed, 3 insertions(+), 11 deletions(-)

diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index 315c7cc4f99d..cce329d71fba 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -837,14 +837,6 @@ static void viommu_get_resv_regions(struct device *dev, struct list_head *head)
iommu_dma_get_resv_regions(dev, head);
}

-static void viommu_put_resv_regions(struct device *dev, struct list_head *head)
-{
- struct iommu_resv_region *entry, *next;
-
- list_for_each_entry_safe(entry, next, head, list)
- kfree(entry);
-}
-
static struct iommu_ops viommu_ops;
static struct virtio_driver virtio_iommu_drv;

@@ -914,7 +906,7 @@ static int viommu_add_device(struct device *dev)
err_unlink_dev:
iommu_device_unlink(&viommu->iommu, dev);
err_free_dev:
- viommu_put_resv_regions(dev, &vdev->resv_regions);
+ generic_iommu_put_resv_regions(dev, &vdev->resv_regions);
kfree(vdev);

return ret;
@@ -932,7 +924,7 @@ static void viommu_remove_device(struct device *dev)

iommu_group_remove_device(dev);
iommu_device_unlink(&vdev->viommu->iommu, dev);
- viommu_put_resv_regions(dev, &vdev->resv_regions);
+ generic_iommu_put_resv_regions(dev, &vdev->resv_regions);
kfree(vdev);
}

@@ -961,7 +953,7 @@ static struct iommu_ops viommu_ops = {
.remove_device = viommu_remove_device,
.device_group = viommu_device_group,
.get_resv_regions = viommu_get_resv_regions,
- .put_resv_regions = viommu_put_resv_regions,
+ .put_resv_regions = generic_iommu_put_resv_regions,
.of_xlate = viommu_of_xlate,
};

--
2.24.1
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