Although iommu_group_get() in iommu_probe_device() will always succeed
thanks to __iommu_probe_device() creating the group if it's not present,
it's still worth initialising 'ret' to -ENODEV in case this path is
reachable in the future.
For now, this patch results in no functional change.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Link: https://lore.kernel.org/r/20201126133825.3643852-1-yangyingliang@huawei.com
Signed-off-by: Will Deacon <will@kernel.org>
goto err_out;
group = iommu_group_get(dev);
- if (!group)
+ if (!group) {
+ ret = -ENODEV;
goto err_release;
+ }
/*
* Try to allocate a default domain - needs support from the