[Xen-devel] [PATCH for-4.12] iommu: fix order of arguments in iommu_map call at iommu_hwdom_init

[Roger Pau Monne <roger.pau@xxxxxxxxxx>]

The order of the page_order and the flags parameters are inverted in
the call to iommu_map made in iommu_hwdom_init.

Fixes: e8afe1124cc1 ("iommu: elide flushing for higher order map/unmap 
operations")
Signed-off-by: Roger Pau Monné <roger.pau@xxxxxxxxxx>
---
Cc: Jan Beulich <jbeulich@xxxxxxxx>
Cc: Paul Durrant <paul.durrant@xxxxxxxxxx>
---
 xen/drivers/passthrough/iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/xen/drivers/passthrough/iommu.c b/xen/drivers/passthrough/iommu.c
index 98e6fc35e2..acd17ac2dc 100644
--- a/xen/drivers/passthrough/iommu.c
+++ b/xen/drivers/passthrough/iommu.c
@@ -226,7 +226,7 @@ void __hwdom_init iommu_hwdom_init(struct domain *d)
                   == PGT_writable_page) )
                 mapping |= IOMMUF_writable;
 
-            ret = iommu_map(d, _dfn(dfn), _mfn(mfn), mapping, 0,
+            ret = iommu_map(d, _dfn(dfn), _mfn(mfn), 0, mapping,
                             &flush_flags);
 
             if ( !rc )
-- 
2.20.1


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