[PATCH] iommu/qcom: add missing put_device() call in qcom_iommu_of_xlate()

[Will Deacon]

On Fri, Sep 18, 2020 at 09:13:57AM +0800, Yu Kuai wrote:
> if of_find_device_by_node() succeed, qcom_iommu_of_xlate() doesn't have
> a corresponding put_device(). Thus add put_device() to fix the exception
> handling for this function implementation.
> 
> Fixes: e86d1aa8b60f ("iommu/arm-smmu: Move Arm SMMU drivers into their own subdirectory")

That's probably not accurate, in that this driver used to live under
drivers/iommu/ and assumedly had this bug there as well.

> Signed-off-by: Yu Kuai <yukuai3 at huawei.com>
> ---
>  drivers/iommu/arm/arm-smmu/qcom_iommu.c | 5 ++++-
>  1 file changed, 4 insertions(+), 1 deletion(-)

I guess Rob will pick this up.

Will