[PATCH] iommu/virtio: Fix typo in a comment

[Xiang wangx]

The double `as' in a comment is repeated, thus it should be removed.

Signed-off-by: Xiang wangx <wangxiang@xxxxxxxxxx>
---
 drivers/iommu/virtio-iommu.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/iommu/virtio-iommu.c b/drivers/iommu/virtio-iommu.c
index c9e8367d2962..162bd07e32fe 100644
--- a/drivers/iommu/virtio-iommu.c
+++ b/drivers/iommu/virtio-iommu.c
@@ -743,7 +743,7 @@ static int viommu_attach_dev(struct iommu_domain *domain, struct device *dev)
 
 	/*
 	 * In the virtio-iommu device, when attaching the endpoint to a new
-	 * domain, it is detached from the old one and, if as as a result the
+	 * domain, it is detached from the old one and, if as a result the
 	 * old domain isn't attached to any endpoint, all mappings are removed
 	 * from the old domain and it is freed.
 	 *
-- 
2.20.1