Re: [PATCH rdma-next 7/8] IB: Extend UVERBS_METHOD_REG_MR to get DMAH

[Gal Pressman <gal.pressman@linux.dev>]

On 08/07/2025 5:27, Junxian Huang wrote:
> Could you change hns part as below? We have an error counter in the err_out label.

Same for EFA.

> 
> Thanks
> Junxian
> 
> diff --git a/drivers/infiniband/hw/hns/hns_roce_mr.c b/drivers/infiniband/hw/hns/hns_roce_mr.c
> index ebef93559225..e6ad6de97f10 100644
> --- a/drivers/infiniband/hw/hns/hns_roce_mr.c
> +++ b/drivers/infiniband/hw/hns/hns_roce_mr.c
> @@ -237,6 +237,11 @@ struct ib_mr *hns_roce_reg_user_mr(struct ib_pd *pd, u64 start, u64 length,
>         struct hns_roce_mr *mr;
>         int ret;
> 
> +       if (dmah) {
> +               ret = -EOPNOTSUPP;
> +               goto err_out;
> +       }
> +
>         mr = kzalloc(sizeof(*mr), GFP_KERNEL);
>         if (!mr) {
>                 ret = -ENOMEM;
> 
>>  	mr = kzalloc(sizeof(*mr), GFP_KERNEL);
>>  	if (!mr) {
>>  		ret = -ENOMEM;
>