diff options
| author | Zhen Lei <thunder.leizhen@huawei.com> | 2021-05-13 10:58:15 +0300 |
|---|---|---|
| committer | Joerg Roedel <jroedel@suse.de> | 2021-06-09 10:43:17 +0300 |
| commit | e86b041ffeff554c9458882ebabc2aba5c864186 (patch) | |
| tree | ec887e693cf221a77b10795ad57c7064124a94fb /drivers/iommu/iommu.c | |
| parent | 7154cbd31c2069726cf730b0ed94e2e79a221602 (diff) | |
| download | linux-e86b041ffeff554c9458882ebabc2aba5c864186.tar.xz | |
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: Zhen Lei <thunder.leizhen@huawei.com>
Acked-by: Will Deacon <will@kernel.org>
Link: https://lore.kernel.org/r/20210513075815.6382-1-thunder.leizhen@huawei.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>
Diffstat (limited to 'drivers/iommu/iommu.c')
| -rw-r--r-- | drivers/iommu/iommu.c | 3 |
1 files changed, 0 insertions, 3 deletions
diff --git a/drivers/iommu/iommu.c b/drivers/iommu/iommu.c index 808ab70d5df5..5419c4b9f27a 100644 --- a/drivers/iommu/iommu.c +++ b/drivers/iommu/iommu.c @@ -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) { |