linux-kernel - [PATCH v3 4/5] iommu: intel: Use generic_iommu_put_resv

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Message-Id: <20191218134205.1271740-5-thierry.reding@gmail.com>
Date:   Wed, 18 Dec 2019 14:42:04 +0100
From:   Thierry Reding <thierry.reding@...il.com>
To:     Joerg Roedel <joro@...tes.org>
Cc:     Will Deacon <will@...nel.org>, Robin Murphy <robin.murphy@....com>,
        Jean-Philippe Brucker <jean-philippe@...aro.org>,
        Christoph Hellwig <hch@...radead.org>,
        iommu@...ts.linux-foundation.org,
        linux-arm-kernel@...ts.infradead.org,
        virtualization@...ts.linux-foundation.org,
        linux-kernel@...r.kernel.org, David Woodhouse <dwmw2@...radead.org>
Subject: [PATCH v3 4/5] iommu: intel: Use generic_iommu_put_resv_regions()

From: Thierry Reding <treding@...dia.com>

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

Cc: David Woodhouse <dwmw2@...radead.org>
Signed-off-by: Thierry Reding <treding@...dia.com>
---
 drivers/iommu/intel-iommu.c | 11 +----------
 1 file changed, 1 insertion(+), 10 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 42966611a192..a6d5b7cf9183 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -5744,15 +5744,6 @@ static void intel_iommu_get_resv_regions(struct device *device,
 	list_add_tail(&reg->list, head);
 }
 
-static void intel_iommu_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);
-}
-
 int intel_iommu_enable_pasid(struct intel_iommu *iommu, struct device *dev)
 {
 	struct device_domain_info *info;
@@ -5987,7 +5978,7 @@ const struct iommu_ops intel_iommu_ops = {
 	.add_device		= intel_iommu_add_device,
 	.remove_device		= intel_iommu_remove_device,
 	.get_resv_regions	= intel_iommu_get_resv_regions,
-	.put_resv_regions	= intel_iommu_put_resv_regions,
+	.put_resv_regions	= generic_iommu_put_resv_regions,
 	.apply_resv_region	= intel_iommu_apply_resv_region,
 	.device_group		= pci_device_group,
 	.dev_has_feat		= intel_iommu_dev_has_feat,
-- 
2.24.1