From d127bc9be856098cc2410c1266ed64e258bc5377 Mon Sep 17 00:00:00 2001 From: Tom Murphy Date: Mon, 26 Aug 2019 05:48:21 +0100 Subject: [PATCH] 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: Tom Murphy Signed-off-by: Joerg Roedel --- 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 b6980938882e..66cfacaa483d 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -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;