From: Joerg Roedel <jroedel@suse.de>
Date: Thu, 28 May 2015 16:41:26 +0000 (+0200)
Subject: iommu: Propagate error in add_iommu_group
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=19762d7095e6392b6ec56c363a6f29b2119488c2;p=linux-beck.git

iommu: Propagate error in add_iommu_group

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

Signed-off-by: Joerg Roedel <jroedel@suse.de>
---

diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c
index 755e4889046a..9c9336a923cd 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,