[PATCH] Remove wrong default domain comments

From: Tom Murphy
Date: Mon Aug 26 2019 - 00:48:33 EST


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

Signed-off-by: Tom Murphy <murphyt7@xxxxxx>
---
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 ea95080372e7..3b6807e7a2d8 100644
--- a/drivers/iommu/iommu.c
+++ b/drivers/iommu/iommu.c
@@ -2179,7 +2179,6 @@ 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;
@@ -2189,7 +2188,6 @@ 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)
@@ -2204,7 +2202,7 @@ 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;
--
2.20.1