iommu/vt-d: Use memunmap to free memremap

BugLink: https://bugs.launchpad.net/bugs/1837161
[ 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@163.com>
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Signed-off-by: Connor Kuehl <connor.kuehl@canonical.com>
Signed-off-by: Khalid Elmously <khalid.elmously@canonical.com>

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index afade003de2e0e589dc38dde8eb7251f9acf4bbd..4f4f6350b5562193531cf8ee05128e5b16a0e1d5 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3093,7 +3093,7 @@ static int copy_context_table(struct intel_iommu *iommu,
                        }
 
                        if (old_ce)
-                               iounmap(old_ce);
+                               memunmap(old_ce);
 
                        ret = 0;
                        if (devfn < 0x80)