[PATCH 03/22] iommu: Propagate error in add_iommu_group

[Joerg Roedel]

From: Joerg Roedel <jroedel@xxxxxxx>

Make sure any errors reported from the IOMMU drivers get
progapated back to the IOMMU core.

Signed-off-by: Joerg Roedel <jroedel@xxxxxxx>
---
 drivers/iommu/iommu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 755e488..9c9336a 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -750,9 +750,7 @@ static int add_iommu_group(struct device *dev, void *data)
 
 	WARN_ON(dev->iommu_group);
 
-	ops->add_device(dev);
-
-	return 0;
+	return ops->add_device(dev);
 }
 
 static int iommu_bus_notifier(struct notifier_block *nb,
-- 
1.9.1

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