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Commit d127bc9b authored by Tom Murphy's avatar Tom Murphy Committed by Joerg Roedel
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iommu: Remove wrong default domain comments 



These comments are wrong. request_default_domain_for_dev doesn't just
handle direct mapped domains.

Signed-off-by: default avatarTom Murphy <murphyt7@tcd.ie>
Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 6b0c54e7

drivers/iommu/iommu.c

+1 −3
Original line number Diff line number Diff line
@@ -2200,7 +2200,6 @@ request_default_domain_for_dev(struct device *dev, unsigned long type) 


	mutex_lock(&group->mutex);



	/* Check if the default domain is already direct mapped */

	ret = 0;

	if (group->default_domain && group->default_domain->type == type)

		goto out;
@@ -2210,7 +2209,6 @@ request_default_domain_for_dev(struct device *dev, unsigned long type) 
	if (iommu_group_device_count(group) != 1)

		goto out;



	/* Allocate a direct mapped domain */

	ret = -ENOMEM;

	domain = __iommu_domain_alloc(dev->bus, type);

	if (!domain)
@@ -2225,7 +2223,7 @@ request_default_domain_for_dev(struct device *dev, unsigned long type) 


	iommu_group_create_direct_mappings(group, dev);



	/* Make the direct mapped domain the default for this group */

	/* Make the domain the default for this group */

	if (group->default_domain)

		iommu_domain_free(group->default_domain);

	group->default_domain = domain;