[PATCH AUTOSEL 4.4 12/13] iommu/vt-d: Use memunmap to free memremap

From: Sasha Levin
Date: Thu Nov 29 2018 - 01:05:32 EST


From: Pan Bian <bianpan2016@xxxxxxx>

[ 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 49b266433f4c..7feaa82f8c7c 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -2977,7 +2977,7 @@ static int copy_context_table(struct intel_iommu *iommu,
}

if (old_ce)
- iounmap(old_ce);
+ memunmap(old_ce);

ret = 0;
if (devfn < 0x80)
--
2.17.1