[RFCv2 PATCH 05/36] iommu/process: Bind and unbind process to and from devices

[Yisheng Xie]

On 2017/10/6 21:31, Jean-Philippe Brucker wrote:
> +int iommu_process_bind_device(struct device *dev, struct task_struct *task,
> +			      int *pasid, int flags)
> +{
[..]
> +			err = iommu_process_attach_locked(context, dev);
> +			if (err)
> +				iommu_process_put_locked(process);
one ref for a context is enough right? so also need call iommu_process_put_locked()
if attach ok, or will be leak if user call bind twice for the same device and task.