linux-kernel - [PATCH 21/26] iommu/vt-d: Only call domain_remove_one_dev

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Date:	Wed,  5 Aug 2015 17:18:52 +0200
From:	Joerg Roedel <joro@...tes.org>
To:	iommu@...ts.linux-foundation.org
Cc:	David Woodhouse <dwmw2@...radead.org>,
	Alex Williamson <alex.williamson@...hat.com>,
	linux-kernel@...r.kernel.org, Joerg Roedel <joro@...tes.org>,
	jroedel@...e.de
Subject: [PATCH 21/26] iommu/vt-d: Only call domain_remove_one_dev_info to detach old domain

From: Joerg Roedel <jroedel@...e.de>

There is no need to make a difference here between VM and
non-VM domains, so simplify this code here.

Signed-off-by: Joerg Roedel <jroedel@...e.de>
---
 drivers/iommu/intel-iommu.c | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/drivers/iommu/intel-iommu.c b/drivers/iommu/intel-iommu.c
index 50b5e6c..eb2a99a 100644
--- a/drivers/iommu/intel-iommu.c
+++ b/drivers/iommu/intel-iommu.c
@@ -4626,10 +4626,7 @@ static int intel_iommu_attach_device(struct iommu_domain *domain,
 		old_domain = find_domain(dev);
 		if (old_domain) {
 			rcu_read_lock();
-			if (domain_type_is_vm_or_si(dmar_domain))
-				dmar_remove_one_dev_info(old_domain, dev);
-			else
-				domain_remove_dev_info(old_domain);
+			dmar_remove_one_dev_info(old_domain, dev);
 			rcu_read_unlock();
 
 			if (!domain_type_is_vm_or_si(old_domain) &&
-- 
1.9.1

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