iommu/vt-d: Use memunmap to free memremap

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>

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index f3ccf025108b4c377f2f9bc6de80e8222b817a01..41a4b8808802b8bcc30106c37b748eb3507943c0 100644 (file)
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -3075,7 +3075,7 @@ static int copy_context_table(struct intel_iommu *iommu,
                        }
 
                        if (old_ce)
-                               iounmap(old_ce);
+                               memunmap(old_ce);
 
                        ret = 0;
                        if (devfn < 0x80)