Commit e86b041f authored by Zhen Lei's avatar Zhen Lei Committed by Joerg Roedel
Browse files

iommu: Delete a duplicate check in iommu_change_dev_def_domain() 



Function iommu_group_store_type() is the only caller of the static
function iommu_change_dev_def_domain() and has performed
"if (WARN_ON(!group))" detection before calling it. So the one here is
redundant.

Signed-off-by: default avatarZhen Lei <thunder.leizhen@huawei.com>
Acked-by: default avatarWill Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210513075815.6382-1-thunder.leizhen@huawei.com


Signed-off-by: default avatarJoerg Roedel <jroedel@suse.de>
parent 7154cbd3

drivers/iommu/iommu.c

+0 −3
Original line number Diff line number Diff line
@@ -3059,9 +3059,6 @@ static int iommu_change_dev_def_domain(struct iommu_group *group, 
	int ret, dev_def_dom;

	struct device *dev;



	if (!group)

		return -EINVAL;



	mutex_lock(&group->mutex);



	if (group->default_domain != group->domain) {