[PATCH 4.19 049/118] iommu/vt-d: Use memunmap to free memremap

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4.19-stable review patch.  If anyone has any objections, please let me know.

------------------

[ Upstream commit 829383e183728dec7ed9150b949cd6de64127809 ]

memunmap() should be used to free the return of memremap(), not
iounmap().

Fixes: dfddb969edf0 ('iommu/vt-d: Switch from ioremap_cache to memremap')
Signed-off-by: Pan Bian <bianpan2016@xxxxxxx>
Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
 drivers/iommu/intel-iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index bedc801b06a0..a76c47f20587 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3100,7 +3100,7 @@ static int copy_context_table(struct intel_iommu *iommu,
 			}
 
 			if (old_ce)
-				iounmap(old_ce);
+				memunmap(old_ce);
 
 			ret = 0;
 			if (devfn < 0x80)
-- 
2.19.1






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